running_actions_manager_test.rs

// Copyright 2023 The NativeLink Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::collections::HashMap;
use std::env;
use std::ffi::OsString;
#[cfg(target_family = "unix")]
use std::fs::Permissions;
use std::io::{Cursor, Write};
#[cfg(target_family = "unix")]
use std::os::unix::fs::{MetadataExt, PermissionsExt};
use std::str::from_utf8;
use std::sync::atomic::{AtomicBool, AtomicI64, AtomicU64, Ordering};
use std::sync::{Arc, Mutex};
use std::time::{Duration, SystemTime, UNIX_EPOCH};

use futures::{FutureExt, StreamExt, TryFutureExt, TryStreamExt};
use nativelink_config::cas_server::EnvironmentSource;
use nativelink_error::{make_input_err, Code, Error, ResultExt};
use nativelink_macro::nativelink_test;
#[cfg_attr(target_family = "windows", allow(unused_imports))]
use nativelink_proto::build::bazel::remote::execution::v2::{
    digest_function::Value as ProtoDigestFunction, platform::Property, Action,
    ActionResult as ProtoActionResult, Command, Directory, DirectoryNode, ExecuteRequest,
    ExecuteResponse, FileNode, NodeProperties, Platform, SymlinkNode, Tree,
};
use nativelink_proto::com::github::trace_machina::nativelink::remote_execution::{
    HistoricalExecuteResponse, StartExecute,
};
use nativelink_store::ac_utils::{get_and_decode_digest, serialize_and_upload_message};
use nativelink_store::fast_slow_store::FastSlowStore;
use nativelink_store::filesystem_store::FilesystemStore;
use nativelink_store::memory_store::MemoryStore;
use nativelink_util::action_messages::{ActionInfoHashKey, OperationId};
#[cfg_attr(target_family = "windows", allow(unused_imports))]
use nativelink_util::action_messages::{
    ActionResult, DirectoryInfo, ExecutionMetadata, FileInfo, NameOrPath, SymlinkInfo,
};
use nativelink_util::common::{fs, DigestInfo};
use nativelink_util::digest_hasher::{DigestHasher, DigestHasherFunc};
use nativelink_util::store_trait::{Store, StoreLike};
use nativelink_worker::running_actions_manager::{
    download_to_directory, Callbacks, ExecutionConfiguration, RunningAction, RunningActionImpl,
    RunningActionsManager, RunningActionsManagerArgs, RunningActionsManagerImpl,
};
use once_cell::sync::Lazy;
use pretty_assertions::assert_eq;
use prost::Message;
use rand::{thread_rng, Rng};
use tokio::sync::oneshot;

/// Get temporary path from either `TEST_TMPDIR` or best effort temp directory if
/// not set.
fn make_temp_path(data: &str) -> String {
    #[cfg(target_family = "unix")]
    return format!(
        "{}/{}/{}",
        env::var("TEST_TMPDIR").unwrap_or(env::temp_dir().to_str().unwrap().to_string()),
        thread_rng().gen::<u64>(),
        data
    );
    #[cfg(target_family = "windows")]
    return format!(
        "{}\\{}\\{}",
        env::var("TEST_TMPDIR").unwrap_or(env::temp_dir().to_str().unwrap().to_string()),
        thread_rng().gen::<u64>(),
        data
    );
}

async fn setup_stores() -> Result<
    (
        Arc<FilesystemStore>,
        Arc<MemoryStore>,
        Arc<FastSlowStore>,
        Arc<MemoryStore>,
    ),
    Error,
> {
    let fast_config = nativelink_config::stores::FilesystemStore {
        content_path: make_temp_path("content_path"),
        temp_path: make_temp_path("temp_path"),
        eviction_policy: None,
        ..Default::default()
    };
    let slow_config = nativelink_config::stores::MemoryStore::default();
    let fast_store = FilesystemStore::new(&fast_config).await?;
    let slow_store = MemoryStore::new(&slow_config);
    let ac_store = MemoryStore::new(&slow_config);
    let cas_store = FastSlowStore::new(
        &nativelink_config::stores::FastSlowStore {
            fast: nativelink_config::stores::StoreConfig::filesystem(fast_config),
            slow: nativelink_config::stores::StoreConfig::memory(slow_config),
        },
        Store::new(fast_store.clone()),
        Store::new(slow_store.clone()),
    );
    Ok((fast_store, slow_store, cas_store, ac_store))
}

async fn run_action(action: Arc<RunningActionImpl>) -> Result<ActionResult, Error> {
    action
        .clone()
        .prepare_action()
        .and_then(RunningAction::execute)
        .and_then(RunningAction::upload_results)
        .and_then(RunningAction::get_finished_result)
        .then(|result| async move {
            action.cleanup().await?;
            result
        })
        .await
}

const NOW_TIME: u64 = 10000;

fn make_system_time(add_time: u64) -> SystemTime {
    UNIX_EPOCH
        .checked_add(Duration::from_secs(NOW_TIME + add_time))
        .unwrap()
}

fn monotonic_clock(counter: &AtomicU64) -> SystemTime {
    let count = counter.fetch_add(1, Ordering::Relaxed);
    make_system_time(count)
}

fn increment_clock(time: &mut SystemTime) -> SystemTime {
    let previous_time = *time;
    *time = previous_time.checked_add(Duration::from_secs(1)).unwrap();
    previous_time
}

fn make_operation_id(execute_request: &ExecuteRequest) -> OperationId {
    let unique_qualifier = ActionInfoHashKey {
        instance_name: execute_request.instance_name.clone(),
        digest_function: execute_request.digest_function.try_into().unwrap(),
        digest: execute_request
            .action_digest
            .clone()
            .unwrap()
            .try_into()
            .unwrap(),
        salt: 0,
    };
    OperationId::new(unique_qualifier)
}

#[nativelink_test]
async fn download_to_directory_file_download_test() -> Result<(), Box<dyn std::error::Error>> {
    const FILE1_NAME: &str = "file1.txt";
    const FILE1_CONTENT: &str = "HELLOFILE1";
    const FILE2_NAME: &str = "file2.exec";
    const FILE2_CONTENT: &str = "HELLOFILE2";
    const FILE2_MODE: u32 = 0o710;
    const FILE2_MTIME: u64 = 5;

    let (fast_store, slow_store, cas_store, _ac_store) = setup_stores().await?;

    let root_directory_digest = {
        // Make and insert (into store) our digest info needed to create our directory & files.
        let file1_content_digest = DigestInfo::new([2u8; 32], 32);
        slow_store
            .as_ref()
            .update_oneshot(file1_content_digest, FILE1_CONTENT.into())
            .await?;
        let file2_content_digest = DigestInfo::new([3u8; 32], 32);
        slow_store
            .as_ref()
            .update_oneshot(file2_content_digest, FILE2_CONTENT.into())
            .await?;

        let root_directory_digest = DigestInfo::new([1u8; 32], 32);
        let root_directory = Directory {
            files: vec![
                FileNode {
                    name: FILE1_NAME.to_string(),
                    digest: Some(file1_content_digest.into()),
                    is_executable: false,
                    node_properties: None,
                },
                FileNode {
                    name: FILE2_NAME.to_string(),
                    digest: Some(file2_content_digest.into()),
                    is_executable: true,
                    node_properties: Some(NodeProperties {
                        properties: vec![],
                        mtime: Some(
                            SystemTime::UNIX_EPOCH
                                .checked_add(Duration::from_secs(FILE2_MTIME))
                                .unwrap()
                                .into(),
                        ),
                        unix_mode: Some(FILE2_MODE),
                    }),
                },
            ],
            ..Default::default()
        };

        slow_store
            .as_ref()
            .update_oneshot(root_directory_digest, root_directory.encode_to_vec().into())
            .await?;
        root_directory_digest
    };

    let download_dir = {
        // Tell it to download the digest info to a directory.
        let download_dir = make_temp_path("download_dir");
        fs::create_dir_all(&download_dir)
            .await
            .err_tip(|| format!("Could not make download_dir : {download_dir}"))?;
        download_to_directory(
            cas_store.as_ref(),
            fast_store.as_pin(),
            &root_directory_digest,
            &download_dir,
        )
        .await?;
        download_dir
    };
    {
        // Now ensure that our download_dir has the files.
        let file1_content = fs::read(format!("{download_dir}/{FILE1_NAME}")).await?;
        assert_eq!(std::str::from_utf8(&file1_content)?, FILE1_CONTENT);

        let file2_path = format!("{download_dir}/{FILE2_NAME}");
        let file2_content = fs::read(&file2_path).await?;
        assert_eq!(std::str::from_utf8(&file2_content)?, FILE2_CONTENT);

        let file2_metadata = fs::metadata(&file2_path).await?;
        // Note: We sent 0o710, but because is_executable was set it turns into 0o711.
        #[cfg(target_family = "unix")]
        assert_eq!(file2_metadata.mode() & 0o777, FILE2_MODE | 0o111);
        assert_eq!(
            file2_metadata
                .modified()?
                .duration_since(SystemTime::UNIX_EPOCH)?
                .as_secs(),
            FILE2_MTIME
        );
    }
    Ok(())
}

#[nativelink_test]
async fn download_to_directory_folder_download_test() -> Result<(), Box<dyn std::error::Error>> {
    const DIRECTORY1_NAME: &str = "folder1";
    const FILE1_NAME: &str = "file1.txt";
    const FILE1_CONTENT: &str = "HELLOFILE1";
    const DIRECTORY2_NAME: &str = "folder2";

    let (fast_store, slow_store, cas_store, _ac_store) = setup_stores().await?;

    let root_directory_digest = {
        // Make and insert (into store) our digest info needed to create our directory & files.
        let directory1_digest = DigestInfo::new([1u8; 32], 32);
        {
            let file1_content_digest = DigestInfo::new([2u8; 32], 32);
            slow_store
                .as_ref()
                .update_oneshot(file1_content_digest, FILE1_CONTENT.into())
                .await?;
            let directory1 = Directory {
                files: vec![FileNode {
                    name: FILE1_NAME.to_string(),
                    digest: Some(file1_content_digest.into()),
                    ..Default::default()
                }],
                ..Default::default()
            };
            slow_store
                .as_ref()
                .update_oneshot(directory1_digest, directory1.encode_to_vec().into())
                .await?;
        }
        let directory2_digest = DigestInfo::new([3u8; 32], 32);
        {
            // Now upload an empty directory.
            slow_store
                .as_ref()
                .update_oneshot(
                    directory2_digest,
                    Directory::default().encode_to_vec().into(),
                )
                .await?;
        }
        let root_directory_digest = DigestInfo::new([5u8; 32], 32);
        {
            let root_directory = Directory {
                directories: vec![
                    DirectoryNode {
                        name: DIRECTORY1_NAME.to_string(),
                        digest: Some(directory1_digest.into()),
                    },
                    DirectoryNode {
                        name: DIRECTORY2_NAME.to_string(),
                        digest: Some(directory2_digest.into()),
                    },
                ],
                ..Default::default()
            };
            slow_store
                .as_ref()
                .update_oneshot(root_directory_digest, root_directory.encode_to_vec().into())
                .await?;
        }
        root_directory_digest
    };

    let download_dir = {
        // Tell it to download the digest info to a directory.
        let download_dir = make_temp_path("download_dir");
        fs::create_dir_all(&download_dir)
            .await
            .err_tip(|| format!("Could not make download_dir : {download_dir}"))?;
        download_to_directory(
            cas_store.as_ref(),
            fast_store.as_pin(),
            &root_directory_digest,
            &download_dir,
        )
        .await?;
        download_dir
    };
    {
        // Now ensure that our download_dir has the files.
        let file1_content = fs::read(format!("{download_dir}/{DIRECTORY1_NAME}/{FILE1_NAME}"))
            .await
            .err_tip(|| "On file_1 read")?;
        assert_eq!(std::str::from_utf8(&file1_content)?, FILE1_CONTENT);

        let folder2_path = format!("{download_dir}/{DIRECTORY2_NAME}");
        let folder2_metadata = fs::metadata(&folder2_path)
            .await
            .err_tip(|| "On folder2_metadata metadata")?;
        assert_eq!(folder2_metadata.is_dir(), true);
    }
    Ok(())
}

// Windows does not support symlinks.
#[cfg(not(target_family = "windows"))]
#[nativelink_test]
async fn download_to_directory_symlink_download_test() -> Result<(), Box<dyn std::error::Error>> {
    const FILE_NAME: &str = "file.txt";
    const FILE_CONTENT: &str = "HELLOFILE";
    const SYMLINK_NAME: &str = "symlink_file.txt";
    const SYMLINK_TARGET: &str = "file.txt";

    let (fast_store, slow_store, cas_store, _ac_store) = setup_stores().await?;

    let root_directory_digest = {
        // Make and insert (into store) our digest info needed to create our directory & files.
        let file_content_digest = DigestInfo::new([1u8; 32], 32);
        slow_store
            .as_ref()
            .update_oneshot(file_content_digest, FILE_CONTENT.into())
            .await?;

        let root_directory_digest = DigestInfo::new([2u8; 32], 32);
        let root_directory = Directory {
            files: vec![FileNode {
                name: FILE_NAME.to_string(),
                digest: Some(file_content_digest.into()),
                is_executable: false,
                node_properties: None,
            }],
            symlinks: vec![SymlinkNode {
                name: SYMLINK_NAME.to_string(),
                target: SYMLINK_TARGET.to_string(),
                node_properties: None,
            }],
            ..Default::default()
        };

        slow_store
            .as_ref()
            .update_oneshot(root_directory_digest, root_directory.encode_to_vec().into())
            .await?;
        root_directory_digest
    };

    let download_dir = {
        // Tell it to download the digest info to a directory.
        let download_dir = make_temp_path("download_dir");
        fs::create_dir_all(&download_dir)
            .await
            .err_tip(|| format!("Could not make download_dir : {download_dir}"))?;
        download_to_directory(
            cas_store.as_ref(),
            fast_store.as_pin(),
            &root_directory_digest,
            &download_dir,
        )
        .await?;
        download_dir
    };
    {
        // Now ensure that our download_dir has the files.
        let symlink_path = format!("{download_dir}/{SYMLINK_NAME}");
        let symlink_content = fs::read(&symlink_path)
            .await
            .err_tip(|| "On symlink read")?;
        assert_eq!(std::str::from_utf8(&symlink_content)?, FILE_CONTENT);

        let symlink_metadata = fs::symlink_metadata(&symlink_path)
            .await
            .err_tip(|| "On symlink symlink_metadata")?;
        assert_eq!(symlink_metadata.is_symlink(), true);
    }
    Ok(())
}

#[nativelink_test]
async fn ensure_output_files_full_directories_are_created_no_working_directory_test(
) -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory,
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);
    {
        let command = Command {
            arguments: vec!["touch".to_string(), "./some/path/test.txt".to_string()],
            output_files: vec!["some/path/test.txt".to_string()],
            ..Default::default()
        };
        let command_digest = serialize_and_upload_message(
            &command,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let input_root_digest = serialize_and_upload_message(
            &Directory {
                directories: vec![DirectoryNode {
                    name: "some_cwd".to_string(),
                    digest: Some(
                        serialize_and_upload_message(
                            &Directory::default(),
                            cas_store.as_pin(),
                            &mut DigestHasherFunc::Sha256.hasher(),
                        )
                        .await?
                        .into(),
                    ),
                }],
                ..Default::default()
            },
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let running_action = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: None,
                },
            )
            .await?;

        let running_action = running_action.clone().prepare_action().await?;

        // The folder should have been created for our output file.
        assert_eq!(
            fs::metadata(format!(
                "{}/{}",
                running_action.get_work_directory(),
                "some/path"
            ))
            .await
            .is_ok(),
            true,
            "Expected path to exist"
        );

        running_action.cleanup().await?;
    };
    Ok(())
}

#[nativelink_test]
async fn ensure_output_files_full_directories_are_created_test(
) -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory,
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);
    {
        let working_directory = "some_cwd";
        let command = Command {
            arguments: vec!["touch".to_string(), "./some/path/test.txt".to_string()],
            output_files: vec!["some/path/test.txt".to_string()],
            working_directory: working_directory.to_string(),
            ..Default::default()
        };
        let command_digest = serialize_and_upload_message(
            &command,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let input_root_digest = serialize_and_upload_message(
            &Directory {
                directories: vec![DirectoryNode {
                    name: "some_cwd".to_string(),
                    digest: Some(
                        serialize_and_upload_message(
                            &Directory::default(),
                            cas_store.as_pin(),
                            &mut DigestHasherFunc::Sha256.hasher(),
                        )
                        .await?
                        .into(),
                    ),
                }],
                ..Default::default()
            },
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let running_action = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: None,
                },
            )
            .await?;

        let running_action = running_action.clone().prepare_action().await?;

        // The folder should have been created for our output file.
        assert_eq!(
            fs::metadata(format!(
                "{}/{}/{}",
                running_action.get_work_directory(),
                working_directory,
                "some/path"
            ))
            .await
            .is_ok(),
            true,
            "Expected path to exist"
        );

        running_action.cleanup().await?;
    };
    Ok(())
}

#[nativelink_test]
async fn blake3_upload_files() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let (_, slow_store, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory,
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);
    let action_result = {
        #[cfg(target_family = "unix")]
        let arguments = vec![
            "sh".to_string(),
            "-c".to_string(),
            "printf '123 ' > ./test.txt; printf 'foo-stdout '; >&2 printf 'bar-stderr  '"
                .to_string(),
        ];
        #[cfg(target_family = "windows")]
            let arguments = vec![
                "cmd".to_string(),
                "/C".to_string(),
                // Note: Windows adds two spaces after 'set /p=XXX'.
                "echo | set /p=123> ./test.txt & echo | set /p=foo-stdout & echo | set /p=bar-stderr 1>&2 & exit 0"
                    .to_string(),
            ];
        let working_directory = "some_cwd";
        let command = Command {
            arguments,
            output_paths: vec!["test.txt".to_string()],
            working_directory: working_directory.to_string(),
            ..Default::default()
        };
        let command_digest = serialize_and_upload_message(
            &command,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Blake3.hasher(),
        )
        .await?;
        let input_root_digest = serialize_and_upload_message(
            &Directory {
                directories: vec![DirectoryNode {
                    name: working_directory.to_string(),
                    digest: Some(
                        serialize_and_upload_message(
                            &Directory::default(),
                            cas_store.as_pin(),
                            &mut DigestHasherFunc::Blake3.hasher(),
                        )
                        .await?
                        .into(),
                    ),
                }],
                ..Default::default()
            },
            cas_store.as_pin(),
            &mut DigestHasherFunc::Blake3.hasher(),
        )
        .await?;
        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Blake3.hasher(),
        )
        .await?;

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            digest_function: ProtoDigestFunction::Blake3.into(),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let running_action_impl = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: None,
                },
            )
            .await?;

        run_action(running_action_impl.clone()).await?
    };
    let file_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.output_files[0].digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&file_content)?, "123 ");
    let stdout_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.stdout_digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&stdout_content)?, "foo-stdout ");
    let stderr_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.stderr_digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&stderr_content)?, "bar-stderr  ");
    let mut clock_time = make_system_time(0);
    assert_eq!(
        action_result,
        ActionResult {
            output_files: vec![FileInfo {
                name_or_path: NameOrPath::Path("test.txt".to_string()),
                digest: DigestInfo::try_new(
                    "3f488ba478fc6716c756922c9f34ebd7e84b85c3e03e33e22e7a3736cafdc6d8",
                    4
                )?,
                is_executable: false,
            }],
            stdout_digest: DigestInfo::try_new(
                "af1720193ae81515067a3ef39f0dfda3ad54a1a9d216e55d32fe5c1e178c6a7d",
                11
            )?,
            stderr_digest: DigestInfo::try_new(
                "65e0abbae32a3aedaf040b654c6f02ace03c7690c17a8415a90fc2ec9c809a16",
                12
            )?,
            exit_code: 0,
            output_folders: vec![],
            output_file_symlinks: vec![],
            output_directory_symlinks: vec![],
            server_logs: HashMap::new(),
            execution_metadata: ExecutionMetadata {
                worker: WORKER_ID.to_string(),
                queued_timestamp: SystemTime::UNIX_EPOCH,
                worker_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_completed_timestamp: increment_clock(&mut clock_time),
                execution_start_timestamp: increment_clock(&mut clock_time),
                execution_completed_timestamp: increment_clock(&mut clock_time),
                output_upload_start_timestamp: increment_clock(&mut clock_time),
                output_upload_completed_timestamp: increment_clock(&mut clock_time),
                worker_completed_timestamp: increment_clock(&mut clock_time),
            },
            error: None,
            message: String::new(),
        }
    );
    Ok(())
}

#[nativelink_test]
async fn upload_files_from_above_cwd_test() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let (_, slow_store, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory,
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);
    let action_result = {
        #[cfg(target_family = "unix")]
        let arguments = vec![
            "sh".to_string(),
            "-c".to_string(),
            "printf '123 ' > ./test.txt; printf 'foo-stdout '; >&2 printf 'bar-stderr  '"
                .to_string(),
        ];
        #[cfg(target_family = "windows")]
            let arguments = vec![
                "cmd".to_string(),
                "/C".to_string(),
                // Note: Windows adds two spaces after 'set /p=XXX'.
                "echo | set /p=123> ./test.txt & echo | set /p=foo-stdout & echo | set /p=bar-stderr 1>&2 & exit 0"
                    .to_string(),
            ];
        let working_directory = "some_cwd";
        let command = Command {
            arguments,
            output_paths: vec!["test.txt".to_string()],
            working_directory: working_directory.to_string(),
            ..Default::default()
        };
        let command_digest = serialize_and_upload_message(
            &command,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let input_root_digest = serialize_and_upload_message(
            &Directory {
                directories: vec![DirectoryNode {
                    name: working_directory.to_string(),
                    digest: Some(
                        serialize_and_upload_message(
                            &Directory::default(),
                            cas_store.as_pin(),
                            &mut DigestHasherFunc::Sha256.hasher(),
                        )
                        .await?
                        .into(),
                    ),
                }],
                ..Default::default()
            },
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let running_action_impl = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: None,
                },
            )
            .await?;

        run_action(running_action_impl.clone()).await?
    };
    let file_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.output_files[0].digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&file_content)?, "123 ");
    let stdout_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.stdout_digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&stdout_content)?, "foo-stdout ");
    let stderr_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.stderr_digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&stderr_content)?, "bar-stderr  ");
    let mut clock_time = make_system_time(0);
    assert_eq!(
        action_result,
        ActionResult {
            output_files: vec![FileInfo {
                name_or_path: NameOrPath::Path("test.txt".to_string()),
                digest: DigestInfo::try_new(
                    "c69e10a5f54f4e28e33897fbd4f8701595443fa8c3004aeaa20dd4d9a463483b",
                    4
                )?,
                is_executable: false,
            }],
            stdout_digest: DigestInfo::try_new(
                "15019a676f057d97d1ad3af86f3cc1e623cb33b18ff28422bbe3248d2471cc94",
                11
            )?,
            stderr_digest: DigestInfo::try_new(
                "2375ab8a01ca11e1ea7606dfb58756c153d49733cde1dbfb5a1e00f39afacf06",
                12
            )?,
            exit_code: 0,
            output_folders: vec![],
            output_file_symlinks: vec![],
            output_directory_symlinks: vec![],
            server_logs: HashMap::new(),
            execution_metadata: ExecutionMetadata {
                worker: WORKER_ID.to_string(),
                queued_timestamp: SystemTime::UNIX_EPOCH,
                worker_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_completed_timestamp: increment_clock(&mut clock_time),
                execution_start_timestamp: increment_clock(&mut clock_time),
                execution_completed_timestamp: increment_clock(&mut clock_time),
                output_upload_start_timestamp: increment_clock(&mut clock_time),
                output_upload_completed_timestamp: increment_clock(&mut clock_time),
                worker_completed_timestamp: increment_clock(&mut clock_time),
            },
            error: None,
            message: String::new(),
        }
    );
    Ok(())
}

// Windows does not support symlinks.
#[cfg(not(target_family = "windows"))]
#[nativelink_test]
async fn upload_dir_and_symlink_test() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let (_, slow_store, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory,
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);
    let queued_timestamp = make_system_time(1000);
    let action_result = {
        let command = Command {
            arguments: vec![
                "sh".to_string(),
                "-c".to_string(),
                concat!(
                    "mkdir -p dir1/dir2 && ",
                    "echo foo > dir1/file && ",
                    "touch dir1/file2 && ",
                    "ln -s ../file dir1/dir2/sym &&",
                    "ln -s /dev/null empty_sym",
                )
                .to_string(),
            ],
            output_paths: vec!["dir1".to_string(), "empty_sym".to_string()],
            working_directory: ".".to_string(),
            ..Default::default()
        };
        let command_digest = serialize_and_upload_message(
            &command,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let input_root_digest = serialize_and_upload_message(
            &Directory::default(),
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let running_action_impl = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: Some(queued_timestamp.into()),
                },
            )
            .await?;

        run_action(running_action_impl.clone()).await?
    };
    let tree = get_and_decode_digest::<Tree>(
        slow_store.as_ref(),
        action_result.output_folders[0].tree_digest.into(),
    )
    .await?;
    let root_directory = Directory {
        files: vec![
            FileNode {
                name: "file".to_string(),
                digest: Some(
                    DigestInfo::try_new(
                        "b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c",
                        4,
                    )?
                    .into(),
                ),
                ..Default::default()
            },
            FileNode {
                name: "file2".to_string(),
                digest: Some(
                    DigestInfo::try_new(
                        "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
                        0,
                    )?
                    .into(),
                ),
                ..Default::default()
            },
        ],
        directories: vec![DirectoryNode {
            name: "dir2".to_string(),
            digest: Some(
                DigestInfo::try_new(
                    "cce0098e0b0f1d785edb0da50beedb13e27dcd459b091b2f8f82543cb7cd0527",
                    16,
                )?
                .into(),
            ),
        }],
        ..Default::default()
    };
    assert_eq!(
        tree,
        Tree {
            root: Some(root_directory.clone()),
            children: vec![
                Directory {
                    symlinks: vec![SymlinkNode {
                        name: "sym".to_string(),
                        target: "../file".to_string(),
                        ..Default::default()
                    }],
                    ..Default::default()
                },
                root_directory
            ],
        }
    );
    let mut clock_time = make_system_time(0);
    assert_eq!(
        action_result,
        ActionResult {
            output_files: vec![],
            stdout_digest: DigestInfo::try_new(
                "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
                0
            )?,
            stderr_digest: DigestInfo::try_new(
                "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
                0
            )?,
            exit_code: 0,
            output_folders: vec![DirectoryInfo {
                path: "dir1".to_string(),
                tree_digest: DigestInfo::try_new(
                    "adbb04fa6e166e663c1310bbf8ba494e468b1b6c33e1e5346e2216b6904c9917",
                    490
                )?,
            }],
            output_file_symlinks: vec![SymlinkInfo {
                name_or_path: NameOrPath::Path("empty_sym".to_string()),
                target: "/dev/null".to_string(),
            }],
            output_directory_symlinks: vec![],
            server_logs: HashMap::new(),
            execution_metadata: ExecutionMetadata {
                worker: WORKER_ID.to_string(),
                queued_timestamp,
                worker_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_completed_timestamp: increment_clock(&mut clock_time),
                execution_start_timestamp: increment_clock(&mut clock_time),
                execution_completed_timestamp: increment_clock(&mut clock_time),
                output_upload_start_timestamp: increment_clock(&mut clock_time),
                output_upload_completed_timestamp: increment_clock(&mut clock_time),
                worker_completed_timestamp: increment_clock(&mut clock_time),
            },
            error: None,
            message: String::new(),
        }
    );
    Ok(())
}

#[nativelink_test]
async fn cleanup_happens_on_job_failure() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory: root_action_directory.clone(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);
    let queued_timestamp = make_system_time(1000);

    #[cfg(target_family = "unix")]
    let arguments = vec!["sh".to_string(), "-c".to_string(), "exit 33".to_string()];
    #[cfg(target_family = "windows")]
    let arguments = vec!["cmd".to_string(), "/C".to_string(), "exit 33".to_string()];

    let action_result = {
        let command = Command {
            arguments,
            output_paths: vec![],
            working_directory: ".".to_string(),
            ..Default::default()
        };
        let command_digest = serialize_and_upload_message(
            &command,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let input_root_digest = serialize_and_upload_message(
            &Directory::default(),
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let running_action_impl = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: Some(queued_timestamp.into()),
                },
            )
            .await?;

        run_action(running_action_impl.clone()).await?
    };
    let mut clock_time = make_system_time(0);
    assert_eq!(
        action_result,
        ActionResult {
            output_files: vec![],
            stdout_digest: DigestInfo::try_new(
                "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
                0
            )?,
            stderr_digest: DigestInfo::try_new(
                "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
                0
            )?,
            exit_code: 33,
            output_folders: vec![],
            output_file_symlinks: vec![],
            output_directory_symlinks: vec![],
            server_logs: HashMap::new(),
            execution_metadata: ExecutionMetadata {
                worker: WORKER_ID.to_string(),
                queued_timestamp,
                worker_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_completed_timestamp: increment_clock(&mut clock_time),
                execution_start_timestamp: increment_clock(&mut clock_time),
                execution_completed_timestamp: increment_clock(&mut clock_time),
                output_upload_start_timestamp: increment_clock(&mut clock_time),
                output_upload_completed_timestamp: increment_clock(&mut clock_time),
                worker_completed_timestamp: increment_clock(&mut clock_time),
            },
            error: None,
            message: String::new(),
        }
    );
    let mut dir_stream = fs::read_dir(&root_action_directory).await?;
    assert!(
        dir_stream.as_mut().next_entry().await?.is_none(),
        "Expected empty directory at {root_action_directory}"
    );
    Ok(())
}

#[nativelink_test]
async fn kill_ends_action() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: root_action_directory.clone(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);

    #[cfg(target_family = "unix")]
    let arguments = vec![
        "sh".to_string(),
        "-c".to_string(),
        "sleep infinity".to_string(),
    ];
    #[cfg(target_family = "windows")]
    // Windows is weird with timeout, so we use ping. See:
    // https://www.ibm.com/support/pages/timeout-command-run-batch-job-exits-immediately-and-returns-error-input-redirection-not-supported-exiting-process-immediately
    let arguments = vec![
        "cmd".to_string(),
        "/C".to_string(),
        "ping -n 99999 127.0.0.1".to_string(),
    ];

    let command = Command {
        arguments,
        output_paths: vec![],
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let action = Action {
        command_digest: Some(command_digest.into()),
        input_root_digest: Some(input_root_digest.into()),
        ..Default::default()
    };
    let action_digest = serialize_and_upload_message(
        &action,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    let execute_request = ExecuteRequest {
        action_digest: Some(action_digest.into()),
        ..Default::default()
    };
    let operation_id = make_operation_id(&execute_request).to_string();

    let running_action_impl = running_actions_manager
        .clone()
        .create_and_add_action(
            WORKER_ID.to_string(),
            StartExecute {
                execute_request: Some(execute_request),
                operation_id,
                queued_timestamp: Some(make_system_time(1000).into()),
            },
        )
        .await?;

    // Start the action and kill it at the same time.
    let result = futures::join!(
        run_action(running_action_impl),
        running_actions_manager.kill_all()
    )
    .0?;

    // Check that the action was killed.
    #[cfg(target_family = "unix")]
    assert_eq!(9, result.exit_code);
    // Note: Windows kill command returns exit code 1.
    #[cfg(target_family = "windows")]
    assert_eq!(1, result.exit_code);

    Ok(())
}

// This script runs a command under a wrapper script set in a config.
// The wrapper script will print a constant string to stderr, and the test itself will
// print to stdout. We then check the results of both to make sure the shell script was
// invoked and the actual command was invoked under the shell script.
#[nativelink_test]
async fn entrypoint_does_invoke_if_set() -> Result<(), Box<dyn std::error::Error>> {
    #[cfg(target_family = "unix")]
    const TEST_WRAPPER_SCRIPT_CONTENT: &str = "\
#!/bin/bash
# Print some static text to stderr. This is what the test uses to
# make sure the script did run.
>&2 printf \"Wrapper script did run\"

# Now run the real command.
exec \"$@\"
";
    #[cfg(target_family = "windows")]
    const TEST_WRAPPER_SCRIPT_CONTENT: &str = "\
@echo off
:: Print some static text to stderr. This is what the test uses to
:: make sure the script did run.
echo | set /p=\"Wrapper script did run\" 1>&2

:: Run command, but morph the echo to ensure it doesn't
:: add a new line to the end of the output.
%1 | set /p=%2
exit 0
";
    const WORKER_ID: &str = "foo_worker_id";
    const EXPECTED_STDOUT: &str = "Action did run";

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let test_wrapper_script = {
        let test_wrapper_dir = make_temp_path("wrapper_dir");
        fs::create_dir_all(&test_wrapper_dir).await?;
        #[cfg(target_family = "unix")]
        let test_wrapper_script = OsString::from(test_wrapper_dir + "/test_wrapper_script.sh");
        #[cfg(target_family = "windows")]
        let test_wrapper_script = OsString::from(test_wrapper_dir + "\\test_wrapper_script.bat");

        // We use std::fs::File here because we sometimes get strange bugs here
        // that result in: "Text file busy (os error 26)" if it is an executeable.
        // It is likley because somewhere the file descriotor does not get closed
        // in tokio's async context.
        let mut test_wrapper_script_handle = std::fs::File::create(&test_wrapper_script)?;
        test_wrapper_script_handle.write_all(TEST_WRAPPER_SCRIPT_CONTENT.as_bytes())?;
        #[cfg(target_family = "unix")]
        test_wrapper_script_handle.set_permissions(Permissions::from_mode(0o777))?;
        test_wrapper_script_handle.sync_all()?;
        drop(test_wrapper_script_handle);

        test_wrapper_script
    };

    // TODO(#527) Sleep to reduce flakey chances.
    tokio::time::sleep(Duration::from_millis(250)).await;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: root_action_directory.clone(),
            execution_configuration: ExecutionConfiguration {
                entrypoint: Some(test_wrapper_script.into_string().unwrap()),
                additional_environment: None,
            },
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);
    #[cfg(target_family = "unix")]
    let arguments = vec!["printf".to_string(), EXPECTED_STDOUT.to_string()];
    #[cfg(target_family = "windows")]
    let arguments = vec!["echo".to_string(), EXPECTED_STDOUT.to_string()];
    let command = Command {
        arguments,
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let action = Action {
        command_digest: Some(command_digest.into()),
        input_root_digest: Some(input_root_digest.into()),
        ..Default::default()
    };
    let action_digest = serialize_and_upload_message(
        &action,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    let execute_request = ExecuteRequest {
        action_digest: Some(action_digest.into()),
        ..Default::default()
    };
    let operation_id = make_operation_id(&execute_request).to_string();

    let running_action_impl = running_actions_manager
        .clone()
        .create_and_add_action(
            WORKER_ID.to_string(),
            StartExecute {
                execute_request: Some(execute_request),
                operation_id,
                queued_timestamp: Some(make_system_time(1000).into()),
            },
        )
        .await?;

    let result = run_action(running_action_impl).await?;
    assert_eq!(result.exit_code, 0, "Exit code should be 0");

    let expected_stdout = DigestHasherFunc::Sha256
        .hasher()
        .compute_from_reader(Cursor::new(EXPECTED_STDOUT))
        .await?;
    // Note: This string should match what is in worker_for_test.sh
    let expected_stderr = DigestHasherFunc::Sha256
        .hasher()
        .compute_from_reader(Cursor::new("Wrapper script did run"))
        .await?;
    assert_eq!(expected_stdout, result.stdout_digest);
    assert_eq!(expected_stderr, result.stderr_digest);

    Ok(())
}

#[nativelink_test]
async fn entrypoint_injects_properties() -> Result<(), Box<dyn std::error::Error>> {
    #[cfg(target_family = "unix")]
    const TEST_WRAPPER_SCRIPT_CONTENT: &str = "\
#!/bin/bash
# Print some static text to stderr. This is what the test uses to
# make sure the script did run.
>&2 printf \"Wrapper script did run with property $PROPERTY $VALUE $INNER_TIMEOUT\"

# Now run the real command.
exec \"$@\"
";
    #[cfg(target_family = "windows")]
    const TEST_WRAPPER_SCRIPT_CONTENT: &str = "\
@echo off
:: Print some static text to stderr. This is what the test uses to
:: make sure the script did run.
echo | set /p=\"Wrapper script did run with property %PROPERTY% %VALUE% %INNER_TIMEOUT%\" 1>&2

:: Run command, but morph the echo to ensure it doesn't
:: add a new line to the end of the output.
%1 | set /p=%2
exit 0
";
    const WORKER_ID: &str = "foo_worker_id";
    const EXPECTED_STDOUT: &str = "Action did run";

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let test_wrapper_script = {
        let test_wrapper_dir = make_temp_path("wrapper_dir");
        fs::create_dir_all(&test_wrapper_dir).await?;
        #[cfg(target_family = "unix")]
        let test_wrapper_script = OsString::from(test_wrapper_dir + "/test_wrapper_script.sh");
        #[cfg(target_family = "windows")]
        let test_wrapper_script = OsString::from(test_wrapper_dir + "\\test_wrapper_script.bat");

        // We use std::fs::File here because we sometimes get strange bugs here
        // that result in: "Text file busy (os error 26)" if it is an executeable.
        // It is likley because somewhere the file descriotor does not get closed
        // in tokio's async context.
        let mut test_wrapper_script_handle = std::fs::File::create(&test_wrapper_script)?;
        test_wrapper_script_handle.write_all(TEST_WRAPPER_SCRIPT_CONTENT.as_bytes())?;
        #[cfg(target_family = "unix")]
        test_wrapper_script_handle.set_permissions(Permissions::from_mode(0o777))?;
        test_wrapper_script_handle.sync_all()?;
        drop(test_wrapper_script_handle);

        test_wrapper_script
    };

    // TODO(#527) Sleep to reduce flakey chances.
    tokio::time::sleep(Duration::from_millis(250)).await;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: root_action_directory.clone(),
            execution_configuration: ExecutionConfiguration {
                entrypoint: Some(test_wrapper_script.into_string().unwrap()),
                additional_environment: Some(HashMap::from([
                    (
                        "PROPERTY".to_string(),
                        EnvironmentSource::property("property_name".to_string()),
                    ),
                    (
                        "VALUE".to_string(),
                        EnvironmentSource::value("raw_value".to_string()),
                    ),
                    (
                        "INNER_TIMEOUT".to_string(),
                        EnvironmentSource::timeout_millis,
                    ),
                ])),
            },
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);
    #[cfg(target_family = "unix")]
    let arguments = vec!["printf".to_string(), EXPECTED_STDOUT.to_string()];
    #[cfg(target_family = "windows")]
    let arguments = vec!["echo".to_string(), EXPECTED_STDOUT.to_string()];
    let command = Command {
        arguments,
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    const TASK_TIMEOUT: Duration = Duration::from_secs(122);
    let action = Action {
        command_digest: Some(command_digest.into()),
        input_root_digest: Some(input_root_digest.into()),
        platform: Some(Platform {
            properties: vec![Property {
                name: "property_name".into(),
                value: "property_value".into(),
            }],
        }),
        timeout: Some(prost_types::Duration {
            seconds: TASK_TIMEOUT.as_secs() as i64,
            nanos: 0,
        }),
        ..Default::default()
    };
    let action_digest = serialize_and_upload_message(
        &action,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    let execute_request = ExecuteRequest {
        action_digest: Some(action_digest.into()),
        ..Default::default()
    };
    let operation_id = make_operation_id(&execute_request).to_string();

    let running_action_impl = running_actions_manager
        .clone()
        .create_and_add_action(
            WORKER_ID.to_string(),
            StartExecute {
                execute_request: Some(execute_request),
                operation_id,
                queued_timestamp: Some(make_system_time(1000).into()),
            },
        )
        .await?;

    let result = run_action(running_action_impl).await?;
    assert_eq!(result.exit_code, 0, "Exit code should be 0");

    let expected_stdout = DigestHasherFunc::Sha256
        .hasher()
        .compute_from_reader(Cursor::new(EXPECTED_STDOUT))
        .await?;
    // Note: This string should match what is in worker_for_test.sh
    let expected_stderr = "Wrapper script did run with property property_value raw_value 122000";
    let expected_stderr_digest = DigestHasherFunc::Sha256
        .hasher()
        .compute_from_reader(Cursor::new(expected_stderr))
        .await?;

    let actual_stderr: prost::bytes::Bytes = cas_store
        .as_ref()
        .get_part_unchunked(result.stderr_digest, 0, None)
        .await?;
    let actual_stderr_decoded = std::str::from_utf8(&actual_stderr)?;
    assert_eq!(expected_stderr, actual_stderr_decoded);
    assert_eq!(expected_stdout, result.stdout_digest);
    assert_eq!(expected_stderr_digest, result.stderr_digest);

    Ok(())
}

#[nativelink_test]
async fn entrypoint_sends_timeout_via_side_channel() -> Result<(), Box<dyn std::error::Error>> {
    #[cfg(target_family = "unix")]
    const TEST_WRAPPER_SCRIPT_CONTENT: &str = "\
#!/bin/bash
echo '{\"failure\":\"timeout\"}' > \"$SIDE_CHANNEL_FILE\"
exit 1
";
    #[cfg(target_family = "windows")]
    const TEST_WRAPPER_SCRIPT_CONTENT: &str = "\
@echo off
echo | set /p={\"failure\":\"timeout\"} 1>&2 > %SIDE_CHANNEL_FILE%
exit 1
";
    const WORKER_ID: &str = "foo_worker_id";

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let test_wrapper_script = {
        let test_wrapper_dir = make_temp_path("wrapper_dir");
        fs::create_dir_all(&test_wrapper_dir).await?;
        #[cfg(target_family = "unix")]
        let test_wrapper_script = OsString::from(test_wrapper_dir + "/test_wrapper_script.sh");
        #[cfg(target_family = "windows")]
        let test_wrapper_script = OsString::from(test_wrapper_dir + "\\test_wrapper_script.bat");

        // We use std::fs::File here because we sometimes get strange bugs here
        // that result in: "Text file busy (os error 26)" if it is an executeable.
        // It is likley because somewhere the file descriotor does not get closed
        // in tokio's async context.
        let mut test_wrapper_script_handle = std::fs::File::create(&test_wrapper_script)?;
        test_wrapper_script_handle.write_all(TEST_WRAPPER_SCRIPT_CONTENT.as_bytes())?;
        #[cfg(target_family = "unix")]
        test_wrapper_script_handle.set_permissions(Permissions::from_mode(0o777))?;
        test_wrapper_script_handle.sync_all()?;
        drop(test_wrapper_script_handle);

        test_wrapper_script
    };

    // TODO(#527) Sleep to reduce flakey chances.
    tokio::time::sleep(Duration::from_millis(250)).await;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: root_action_directory.clone(),
            execution_configuration: ExecutionConfiguration {
                entrypoint: Some(test_wrapper_script.into_string().unwrap()),
                additional_environment: Some(HashMap::from([(
                    "SIDE_CHANNEL_FILE".to_string(),
                    EnvironmentSource::side_channel_file,
                )])),
            },
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);
    let arguments = vec!["true".to_string()];
    let command = Command {
        arguments,
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let action = Action {
        command_digest: Some(command_digest.into()),
        input_root_digest: Some(input_root_digest.into()),
        ..Default::default()
    };
    let action_digest = serialize_and_upload_message(
        &action,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    let execute_request = ExecuteRequest {
        action_digest: Some(action_digest.into()),
        ..Default::default()
    };
    let operation_id = make_operation_id(&execute_request).to_string();

    let running_action_impl = running_actions_manager
        .clone()
        .create_and_add_action(
            WORKER_ID.to_string(),
            StartExecute {
                execute_request: Some(execute_request),
                operation_id,
                queued_timestamp: Some(make_system_time(1000).into()),
            },
        )
        .await?;

    let result = run_action(running_action_impl).await?;
    assert_eq!(result.exit_code, 1, "Exit code should be 1");
    assert_eq!(
        result.error.err_tip(|| "Error should exist")?.code,
        Code::DeadlineExceeded
    );
    Ok(())
}

#[nativelink_test]
async fn caches_results_in_action_cache_store() -> Result<(), Box<dyn std::error::Error>> {
    let (_, _, cas_store, ac_store) = setup_stores().await?;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: String::new(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::success_only,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);

    let action_digest = DigestInfo::new([2u8; 32], 32);
    let mut action_result = ActionResult {
        output_files: vec![FileInfo {
            name_or_path: NameOrPath::Path("test.txt".to_string()),
            digest: DigestInfo::try_new(
                "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3",
                3,
            )?,
            is_executable: false,
        }],
        stdout_digest: DigestInfo::try_new(
            "426afaf613d8cfdd9fa8addcc030ae6c95a7950ae0301164af1d5851012081d5",
            10,
        )?,
        stderr_digest: DigestInfo::try_new(
            "7b2e400d08b8e334e3172d105be308b506c6036c62a9bde5c509d7808b28b213",
            10,
        )?,
        exit_code: 0,
        output_folders: vec![],
        output_file_symlinks: vec![],
        output_directory_symlinks: vec![],
        server_logs: HashMap::new(),
        execution_metadata: ExecutionMetadata {
            worker: "WORKER_ID".to_string(),
            queued_timestamp: SystemTime::UNIX_EPOCH,
            worker_start_timestamp: make_system_time(0),
            input_fetch_start_timestamp: make_system_time(1),
            input_fetch_completed_timestamp: make_system_time(2),
            execution_start_timestamp: make_system_time(3),
            execution_completed_timestamp: make_system_time(4),
            output_upload_start_timestamp: make_system_time(5),
            output_upload_completed_timestamp: make_system_time(6),
            worker_completed_timestamp: make_system_time(7),
        },
        error: None,
        message: String::new(),
    };
    running_actions_manager
        .cache_action_result(action_digest, &mut action_result, DigestHasherFunc::Sha256)
        .await?;

    let retrieved_result =
        get_and_decode_digest::<ProtoActionResult>(ac_store.as_ref(), action_digest.into()).await?;

    let proto_result: ProtoActionResult = action_result.into();
    assert_eq!(proto_result, retrieved_result);

    Ok(())
}

#[nativelink_test]
async fn failed_action_does_not_cache_in_action_cache() -> Result<(), Box<dyn std::error::Error>> {
    let (_, _, cas_store, ac_store) = setup_stores().await?;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: String::new(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::everything,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);

    let action_digest = DigestInfo::new([2u8; 32], 32);
    let mut action_result = ActionResult {
        output_files: vec![FileInfo {
            name_or_path: NameOrPath::Path("test.txt".to_string()),
            digest: DigestInfo::try_new(
                "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3",
                3,
            )?,
            is_executable: false,
        }],
        stdout_digest: DigestInfo::try_new(
            "426afaf613d8cfdd9fa8addcc030ae6c95a7950ae0301164af1d5851012081d5",
            10,
        )?,
        stderr_digest: DigestInfo::try_new(
            "7b2e400d08b8e334e3172d105be308b506c6036c62a9bde5c509d7808b28b213",
            10,
        )?,
        exit_code: 1,
        output_folders: vec![],
        output_file_symlinks: vec![],
        output_directory_symlinks: vec![],
        server_logs: HashMap::new(),
        execution_metadata: ExecutionMetadata {
            worker: "WORKER_ID".to_string(),
            queued_timestamp: SystemTime::UNIX_EPOCH,
            worker_start_timestamp: make_system_time(0),
            input_fetch_start_timestamp: make_system_time(1),
            input_fetch_completed_timestamp: make_system_time(2),
            execution_start_timestamp: make_system_time(3),
            execution_completed_timestamp: make_system_time(4),
            output_upload_start_timestamp: make_system_time(5),
            output_upload_completed_timestamp: make_system_time(6),
            worker_completed_timestamp: make_system_time(7),
        },
        error: None,
        message: String::new(),
    };
    running_actions_manager
        .cache_action_result(action_digest, &mut action_result, DigestHasherFunc::Sha256)
        .await?;

    let retrieved_result =
        get_and_decode_digest::<ProtoActionResult>(ac_store.as_ref(), action_digest.into()).await?;

    let proto_result: ProtoActionResult = action_result.into();
    assert_eq!(proto_result, retrieved_result);

    Ok(())
}

#[nativelink_test]
async fn success_does_cache_in_historical_results() -> Result<(), Box<dyn std::error::Error>> {
    let (_, _, cas_store, ac_store) = setup_stores().await?;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: String::new(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_historical_results_strategy: Some(
                    nativelink_config::cas_server::UploadCacheResultsStrategy::success_only,
                ),
                success_message_template: "{historical_results_hash}-{historical_results_size}"
                    .to_string(),
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);

    let action_digest = DigestInfo::new([2u8; 32], 32);
    let mut action_result = ActionResult {
        output_files: vec![FileInfo {
            name_or_path: NameOrPath::Path("test.txt".to_string()),
            digest: DigestInfo::try_new(
                "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3",
                3,
            )?,
            is_executable: false,
        }],
        stdout_digest: DigestInfo::try_new(
            "426afaf613d8cfdd9fa8addcc030ae6c95a7950ae0301164af1d5851012081d5",
            10,
        )?,
        stderr_digest: DigestInfo::try_new(
            "7b2e400d08b8e334e3172d105be308b506c6036c62a9bde5c509d7808b28b213",
            10,
        )?,
        exit_code: 0,
        output_folders: vec![],
        output_file_symlinks: vec![],
        output_directory_symlinks: vec![],
        server_logs: HashMap::new(),
        execution_metadata: ExecutionMetadata {
            worker: "WORKER_ID".to_string(),
            queued_timestamp: SystemTime::UNIX_EPOCH,
            worker_start_timestamp: make_system_time(0),
            input_fetch_start_timestamp: make_system_time(1),
            input_fetch_completed_timestamp: make_system_time(2),
            execution_start_timestamp: make_system_time(3),
            execution_completed_timestamp: make_system_time(4),
            output_upload_start_timestamp: make_system_time(5),
            output_upload_completed_timestamp: make_system_time(6),
            worker_completed_timestamp: make_system_time(7),
        },
        error: None,
        message: String::new(),
    };
    running_actions_manager
        .cache_action_result(action_digest, &mut action_result, DigestHasherFunc::Sha256)
        .await?;

    assert!(!action_result.message.is_empty(), "Message should be set");

    let historical_digest = {
        let (historical_results_hash, historical_results_size) = action_result
            .message
            .split_once('-')
            .expect("Message should be in format {hash}-{size}");

        DigestInfo::try_new(
            historical_results_hash,
            historical_results_size.parse::<i64>()?,
        )?
    };
    let retrieved_result = get_and_decode_digest::<HistoricalExecuteResponse>(
        cas_store.as_ref(),
        historical_digest.into(),
    )
    .await?;

    assert_eq!(
        HistoricalExecuteResponse {
            action_digest: Some(action_digest.into()),
            execute_response: Some(ExecuteResponse {
                result: Some(action_result.into()),
                status: Some(Default::default()),
                ..Default::default()
            }),
        },
        retrieved_result
    );

    Ok(())
}

#[nativelink_test]
async fn failure_does_not_cache_in_historical_results() -> Result<(), Box<dyn std::error::Error>> {
    let (_, _, cas_store, ac_store) = setup_stores().await?;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: String::new(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_historical_results_strategy: Some(
                    nativelink_config::cas_server::UploadCacheResultsStrategy::success_only,
                ),
                success_message_template: "{historical_results_hash}-{historical_results_size}"
                    .to_string(),
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);

    let action_digest = DigestInfo::new([2u8; 32], 32);
    let mut action_result = ActionResult {
        exit_code: 1,
        ..Default::default()
    };
    running_actions_manager
        .cache_action_result(action_digest, &mut action_result, DigestHasherFunc::Sha256)
        .await?;

    assert!(
        action_result.message.is_empty(),
        "Message should not be set"
    );
    Ok(())
}

#[nativelink_test]
async fn infra_failure_does_cache_in_historical_results() -> Result<(), Box<dyn std::error::Error>>
{
    let (_, _, cas_store, ac_store) = setup_stores().await?;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: String::new(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_historical_results_strategy: Some(
                    nativelink_config::cas_server::UploadCacheResultsStrategy::failures_only,
                ),
                failure_message_template: "{historical_results_hash}-{historical_results_size}"
                    .to_string(),
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);

    let action_digest = DigestInfo::new([2u8; 32], 32);
    let mut action_result = ActionResult {
        exit_code: 0,
        error: Some(make_input_err!("test error")),
        ..Default::default()
    };
    running_actions_manager
        .cache_action_result(action_digest, &mut action_result, DigestHasherFunc::Sha256)
        .await?;

    assert!(!action_result.message.is_empty(), "Message should be set");

    let historical_digest = {
        let (historical_results_hash, historical_results_size) = action_result
            .message
            .split_once('-')
            .expect("Message should be in format {hash}-{size}");

        DigestInfo::try_new(
            historical_results_hash,
            historical_results_size.parse::<i64>()?,
        )?
    };

    let retrieved_result = get_and_decode_digest::<HistoricalExecuteResponse>(
        cas_store.as_ref(),
        historical_digest.into(),
    )
    .await?;

    assert_eq!(
        HistoricalExecuteResponse {
            action_digest: Some(action_digest.into()),
            execute_response: Some(ExecuteResponse {
                result: Some(action_result.into()),
                status: Some(make_input_err!("test error").into()),
                ..Default::default()
            }),
        },
        retrieved_result
    );
    Ok(())
}

#[nativelink_test]
async fn action_result_has_used_in_message() -> Result<(), Box<dyn std::error::Error>> {
    let (_, _, cas_store, ac_store) = setup_stores().await?;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: String::new(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::success_only,
                success_message_template: "{action_digest_hash}-{action_digest_size}".to_string(),
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);

    let action_digest = DigestInfo::new([2u8; 32], 32);
    let mut action_result = ActionResult {
        exit_code: 0,
        ..Default::default()
    };
    running_actions_manager
        .cache_action_result(action_digest, &mut action_result, DigestHasherFunc::Sha256)
        .await?;

    assert!(!action_result.message.is_empty(), "Message should be set");

    let action_result_digest = {
        let (action_result_hash, action_result_size) = action_result
            .message
            .split_once('-')
            .expect("Message should be in format {hash}-{size}");

        DigestInfo::try_new(action_result_hash, action_result_size.parse::<i64>()?)?
    };

    let retrieved_result =
        get_and_decode_digest::<ProtoActionResult>(ac_store.as_ref(), action_result_digest.into())
            .await?;

    let proto_result: ProtoActionResult = action_result.into();
    assert_eq!(proto_result, retrieved_result);
    Ok(())
}

#[nativelink_test]
async fn ensure_worker_timeout_chooses_correct_values() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let (_, _, cas_store, ac_store) = setup_stores().await?;

    #[cfg(target_family = "unix")]
    let arguments = vec!["true".to_string()];
    #[cfg(target_family = "windows")]
    let arguments = vec![
        "cmd".to_string(),
        "/C".to_string(),
        "exit".to_string(),
        "0".to_string(),
    ];

    let command = Command {
        arguments,
        output_paths: vec![],
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    {
        // Test to ensure that the task timeout is choosen if it is less than the max timeout.
        static SENT_TIMEOUT: AtomicI64 = AtomicI64::new(-1);
        const MAX_TIMEOUT_DURATION: Duration = Duration::from_secs(100);
        const TASK_TIMEOUT: Duration = Duration::from_secs(10);

        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            timeout: Some(prost_types::Duration {
                seconds: TASK_TIMEOUT.as_secs() as i64,
                nanos: 0,
            }),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
            RunningActionsManagerArgs {
                root_action_directory: root_action_directory.clone(),
                execution_configuration: ExecutionConfiguration::default(),
                cas_store: cas_store.clone(),
                ac_store: Some(Store::new(ac_store.clone())),
                historical_store: Store::new(cas_store.clone()),
                upload_action_result_config:
                    &nativelink_config::cas_server::UploadActionResultConfig {
                        upload_ac_results_strategy:
                            nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                        ..Default::default()
                    },
                max_action_timeout: MAX_TIMEOUT_DURATION,
                timeout_handled_externally: false,
            },
            Callbacks {
                now_fn: test_monotonic_clock,
                sleep_fn: |duration| {
                    SENT_TIMEOUT.store(duration.as_millis() as i64, Ordering::Relaxed);
                    Box::pin(futures::future::pending())
                },
            },
        )?);

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: Some(make_system_time(1000).into()),
                },
            )
            .and_then(|action| {
                action
                    .clone()
                    .prepare_action()
                    .and_then(RunningAction::execute)
                    .then(|result| async move {
                        if let Err(e) = action.cleanup().await {
                            return Result::<ActionResult, Error>::Err(e).merge(result);
                        }
                        result
                    })
            })
            .await?;
        assert_eq!(
            SENT_TIMEOUT.load(Ordering::Relaxed),
            TASK_TIMEOUT.as_millis() as i64
        );
    }
    {
        // Ensure if no timeout is set use max timeout.
        static SENT_TIMEOUT: AtomicI64 = AtomicI64::new(-1);
        const MAX_TIMEOUT_DURATION: Duration = Duration::from_secs(100);
        const TASK_TIMEOUT: Duration = Duration::from_secs(0);

        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            timeout: Some(prost_types::Duration {
                seconds: TASK_TIMEOUT.as_secs() as i64,
                nanos: 0,
            }),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
            RunningActionsManagerArgs {
                root_action_directory: root_action_directory.clone(),
                execution_configuration: ExecutionConfiguration::default(),
                cas_store: cas_store.clone(),
                ac_store: Some(Store::new(ac_store.clone())),
                historical_store: Store::new(cas_store.clone()),
                upload_action_result_config:
                    &nativelink_config::cas_server::UploadActionResultConfig {
                        upload_ac_results_strategy:
                            nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                        ..Default::default()
                    },
                max_action_timeout: MAX_TIMEOUT_DURATION,
                timeout_handled_externally: false,
            },
            Callbacks {
                now_fn: test_monotonic_clock,
                sleep_fn: |duration| {
                    SENT_TIMEOUT.store(duration.as_millis() as i64, Ordering::Relaxed);
                    Box::pin(futures::future::pending())
                },
            },
        )?);

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: Some(make_system_time(1000).into()),
                },
            )
            .and_then(|action| {
                action
                    .clone()
                    .prepare_action()
                    .and_then(RunningAction::execute)
                    .then(|result| async move {
                        if let Err(e) = action.cleanup().await {
                            return Result::<ActionResult, Error>::Err(e).merge(result);
                        }
                        result
                    })
            })
            .await?;
        assert_eq!(
            SENT_TIMEOUT.load(Ordering::Relaxed),
            MAX_TIMEOUT_DURATION.as_millis() as i64
        );
    }
    {
        // Ensure we reject tasks that have a timeout set too high.
        static SENT_TIMEOUT: AtomicI64 = AtomicI64::new(-1);
        const MAX_TIMEOUT_DURATION: Duration = Duration::from_secs(100);
        const TASK_TIMEOUT: Duration = Duration::from_secs(200);

        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            timeout: Some(prost_types::Duration {
                seconds: TASK_TIMEOUT.as_secs() as i64,
                nanos: 0,
            }),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
            RunningActionsManagerArgs {
                root_action_directory: root_action_directory.clone(),
                execution_configuration: ExecutionConfiguration::default(),
                cas_store: cas_store.clone(),
                ac_store: Some(Store::new(ac_store.clone())),
                historical_store: Store::new(cas_store.clone()),
                upload_action_result_config:
                    &nativelink_config::cas_server::UploadActionResultConfig {
                        upload_ac_results_strategy:
                            nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                        ..Default::default()
                    },
                max_action_timeout: MAX_TIMEOUT_DURATION,
                timeout_handled_externally: false,
            },
            Callbacks {
                now_fn: test_monotonic_clock,
                sleep_fn: |duration| {
                    SENT_TIMEOUT.store(duration.as_millis() as i64, Ordering::Relaxed);
                    Box::pin(futures::future::pending())
                },
            },
        )?);

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let result = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: Some(make_system_time(1000).into()),
                },
            )
            .and_then(|action| {
                action
                    .clone()
                    .prepare_action()
                    .and_then(RunningAction::execute)
                    .then(|result| async move {
                        if let Err(e) = action.cleanup().await {
                            return Result::<ActionResult, Error>::Err(e).merge(result);
                        }
                        result
                    })
            })
            .await;
        assert_eq!(SENT_TIMEOUT.load(Ordering::Relaxed), -1);
        assert_eq!(result.err().unwrap().code, Code::InvalidArgument);
    }
    Ok(())
}

#[nativelink_test]
async fn worker_times_out() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    type StaticOneshotTuple = Mutex<(Option<oneshot::Sender<()>>, Option<oneshot::Receiver<()>>)>;
    static TIMEOUT_ONESHOT: Lazy<StaticOneshotTuple> = Lazy::new(|| {
        let (tx, rx) = oneshot::channel();
        Mutex::new((Some(tx), Some(rx)))
    });
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory: root_action_directory.clone(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| {
                Box::pin(async move {
                    let rx = TIMEOUT_ONESHOT.lock().unwrap().1.take().unwrap();
                    rx.await.expect("Could not receive timeout signal");
                })
            },
        },
    )?);

    #[cfg(target_family = "unix")]
    let arguments = vec![
        "sh".to_string(),
        "-c".to_string(),
        "sleep infinity".to_string(),
    ];
    #[cfg(target_family = "windows")]
    // Windows is weird with timeout, so we use ping. See:
    // https://www.ibm.com/support/pages/timeout-command-run-batch-job-exits-immediately-and-returns-error-input-redirection-not-supported-exiting-process-immediately
    let arguments = vec![
        "cmd".to_string(),
        "/C".to_string(),
        "ping -n 99999 127.0.0.1".to_string(),
    ];

    let command = Command {
        arguments,
        output_paths: vec![],
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let action = Action {
        command_digest: Some(command_digest.into()),
        input_root_digest: Some(input_root_digest.into()),
        ..Default::default()
    };
    let action_digest = serialize_and_upload_message(
        &action,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    let execute_request = ExecuteRequest {
        action_digest: Some(action_digest.into()),
        ..Default::default()
    };
    let operation_id = make_operation_id(&execute_request).to_string();

    let execute_results_fut = running_actions_manager
        .create_and_add_action(
            WORKER_ID.to_string(),
            StartExecute {
                execute_request: Some(execute_request),
                operation_id,
                queued_timestamp: Some(make_system_time(1000).into()),
            },
        )
        .and_then(|action| {
            action
                .clone()
                .prepare_action()
                .and_then(RunningAction::execute)
                .and_then(RunningAction::upload_results)
                .and_then(RunningAction::get_finished_result)
                .then(|result| async move {
                    if let Err(e) = action.cleanup().await {
                        return Result::<ActionResult, Error>::Err(e).merge(result);
                    }
                    result
                })
        });

    let (results, _) = tokio::join!(execute_results_fut, async move {
        tokio::task::yield_now().await;
        let tx = TIMEOUT_ONESHOT.lock().unwrap().0.take().unwrap();
        tx.send(()).expect("Could not send timeout signal");
    });
    assert_eq!(results?.error.unwrap().code, Code::DeadlineExceeded);

    Ok(())
}

#[nativelink_test]
async fn kill_all_waits_for_all_tasks_to_finish() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory: root_action_directory.clone(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);

    #[cfg(target_family = "unix")]
    let arguments = vec![
        "sh".to_string(),
        "-c".to_string(),
        "sleep infinity".to_string(),
    ];
    #[cfg(target_family = "windows")]
    // Windows is weird with timeout, so we use ping. See:
    // https://www.ibm.com/support/pages/timeout-command-run-batch-job-exits-immediately-and-returns-error-input-redirection-not-supported-exiting-process-immediately
    let arguments = vec![
        "cmd".to_string(),
        "/C".to_string(),
        "ping -n 99999 127.0.0.1".to_string(),
    ];

    let command = Command {
        arguments,
        output_paths: vec![],
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let action = Action {
        command_digest: Some(command_digest.into()),
        input_root_digest: Some(input_root_digest.into()),
        ..Default::default()
    };
    let action_digest = serialize_and_upload_message(
        &action,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    let execute_request = ExecuteRequest {
        action_digest: Some(action_digest.into()),
        ..Default::default()
    };
    let operation_id = make_operation_id(&execute_request).to_string();

    let (cleanup_tx, cleanup_rx) = oneshot::channel();
    let cleanup_was_requested = AtomicBool::new(false);
    let action = running_actions_manager
        .create_and_add_action(
            WORKER_ID.to_string(),
            StartExecute {
                execute_request: Some(execute_request),
                operation_id,
                queued_timestamp: Some(make_system_time(1000).into()),
            },
        )
        .await?;
    let execute_results_fut = action
        .clone()
        .prepare_action()
        .and_then(RunningAction::execute)
        .and_then(RunningAction::upload_results)
        .and_then(RunningAction::get_finished_result)
        .then(|result| async {
            cleanup_was_requested.store(true, Ordering::Release);
            cleanup_rx.await.expect("Could not receive cleanup signal");
            if let Err(e) = action.cleanup().await {
                return Result::<ActionResult, Error>::Err(e).merge(result);
            }
            result
        });

    tokio::pin!(execute_results_fut);
    {
        // Advance the action as far as possible and ensure we are not waiting on cleanup.
        for _ in 0..100 {
            assert!(futures::poll!(&mut execute_results_fut).is_pending());
            tokio::task::yield_now().await;
        }
        assert_eq!(cleanup_was_requested.load(Ordering::Acquire), false);
    }

    let kill_all_fut = running_actions_manager.kill_all();
    tokio::pin!(kill_all_fut);

    {
        // * Advance the action as far as possible.
        // * Ensure we are now waiting on cleanup.
        // * Ensure our kill_action is still pending.
        while !cleanup_was_requested.load(Ordering::Acquire) {
            // Wait for cleanup to be triggered.
            tokio::task::yield_now().await;
            assert!(futures::poll!(&mut execute_results_fut).is_pending());
            assert!(futures::poll!(&mut kill_all_fut).is_pending());
        }
    }
    // Allow cleanup, which allows execute_results_fut to advance.
    cleanup_tx.send(()).expect("Could not send cleanup signal");
    // Advance our two futures to completion now.
    let result = execute_results_fut.await;
    kill_all_fut.await;
    {
        // Ensure our results are correct.
        let action_result = result?;
        let err = action_result
            .error
            .as_ref()
            .err_tip(|| format!("No error exists in result : {action_result:?}"))?;
        assert_eq!(
            err.code,
            Code::Aborted,
            "Expected Aborted : {action_result:?}"
        );
    }

    Ok(())
}

/// Regression Test for Issue #675
#[cfg(target_family = "unix")]
#[nativelink_test]
async fn unix_executable_file_test() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";
    const FILE_1_NAME: &str = "file1";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory,
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            execution_configuration: ExecutionConfiguration::default(),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);
    // Create and run an action which
    // creates a file with owner executable permissions.
    let action_result = {
        let command = Command {
            arguments: vec![
                "sh".to_string(),
                "-c".to_string(),
                format!("touch {FILE_1_NAME} && chmod 700 {FILE_1_NAME}").to_string(),
            ],
            output_paths: vec![FILE_1_NAME.to_string()],
            working_directory: ".".to_string(),
            ..Default::default()
        };
        let command_digest = serialize_and_upload_message(
            &command,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let input_root_digest = serialize_and_upload_message(
            &Directory::default(),
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let running_action_impl = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    ..Default::default()
                },
            )
            .await?;

        run_action(running_action_impl.clone()).await?
    };
    // Ensure the file copied from worker to CAS is executable.
    assert!(
        action_result.output_files[0].is_executable,
        "Expected output file to be executable"
    );
    Ok(())
}

#[nativelink_test]
async fn action_directory_contents_are_cleaned() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;
    let temp_action_directory = make_temp_path("root_action_directory/temp");
    fs::create_dir_all(&temp_action_directory).await?;

    let running_actions_manager =
        Arc::new(RunningActionsManagerImpl::new(RunningActionsManagerArgs {
            root_action_directory: root_action_directory.clone(),
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        })?);
    let queued_timestamp = make_system_time(1000);

    #[cfg(target_family = "unix")]
    let arguments = vec!["sh".to_string(), "-c".to_string(), "exit 0".to_string()];
    #[cfg(target_family = "windows")]
    let arguments = vec!["cmd".to_string(), "/C".to_string(), "exit 0".to_string()];

    let command = Command {
        arguments,
        output_paths: vec![],
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let action = Action {
        command_digest: Some(command_digest.into()),
        input_root_digest: Some(input_root_digest.into()),
        ..Default::default()
    };
    let action_digest = serialize_and_upload_message(
        &action,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    let execute_request = ExecuteRequest {
        action_digest: Some(action_digest.into()),
        ..Default::default()
    };
    let operation_id = make_operation_id(&execute_request).to_string();

    let running_action_impl = running_actions_manager
        .create_and_add_action(
            WORKER_ID.to_string(),
            StartExecute {
                execute_request: Some(execute_request),
                operation_id,
                queued_timestamp: Some(queued_timestamp.into()),
            },
        )
        .await?;

    run_action(running_action_impl.clone()).await?;

    let mut dir_stream = fs::read_dir(&root_action_directory).await?;
    assert!(
        dir_stream.as_mut().next_entry().await?.is_none(),
        "Expected empty directory at {root_action_directory}"
    );
    Ok(())
}

// We've experienced deadlocks when uploading, so make only a single permit available and
// check it's able to handle uploading some directories with some files in.
// Be default this test is ignored because it *must* be run single threaded... to run this
// test execute:
// cargo test -p nativelink-worker --test running_actions_manager_test -- --test-threads=1 --ignored
#[nativelink_test]
#[ignore]
async fn upload_with_single_permit() -> Result<(), Box<dyn std::error::Error>> {
    const WORKER_ID: &str = "foo_worker_id";

    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let (_, slow_store, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_action_directory");
    fs::create_dir_all(&root_action_directory).await?;

    // Take all but one FD permit away.
    let _permits = futures::stream::iter(1..fs::OPEN_FILE_SEMAPHORE.available_permits())
        .then(|_| fs::OPEN_FILE_SEMAPHORE.acquire())
        .try_collect::<Vec<_>>()
        .await?;
    assert_eq!(1, fs::OPEN_FILE_SEMAPHORE.available_permits());

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory,
            execution_configuration: ExecutionConfiguration::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            sleep_fn: |_duration| Box::pin(futures::future::pending()),
        },
    )?);
    let action_result = {
        #[cfg(target_family = "unix")]
            let arguments = vec![
                "sh".to_string(),
                "-c".to_string(),
                "printf '123 ' > ./test.txt; mkdir ./tst; printf '456 ' > ./tst/tst.txt; printf 'foo-stdout '; >&2 printf 'bar-stderr  '"
                    .to_string(),
            ];
        #[cfg(target_family = "windows")]
            let arguments = vec![
                "cmd".to_string(),
                "/C".to_string(),
                // Note: Windows adds two spaces after 'set /p=XXX'.
                "echo | set /p=123> ./test.txt & mkdir ./tst & echo | set /p=456> ./tst/tst.txt & echo | set /p=foo-stdout & echo | set /p=bar-stderr 1>&2 & exit 0"
                    .to_string(),
            ];
        let working_directory = "some_cwd";
        let command = Command {
            arguments,
            output_paths: vec!["test.txt".to_string(), "tst".to_string()],
            working_directory: working_directory.to_string(),
            ..Default::default()
        };
        let command_digest = serialize_and_upload_message(
            &command,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let input_root_digest = serialize_and_upload_message(
            &Directory {
                directories: vec![DirectoryNode {
                    name: working_directory.to_string(),
                    digest: Some(
                        serialize_and_upload_message(
                            &Directory::default(),
                            cas_store.as_pin(),
                            &mut DigestHasherFunc::Sha256.hasher(),
                        )
                        .await?
                        .into(),
                    ),
                }],
                ..Default::default()
            },
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;
        let action = Action {
            command_digest: Some(command_digest.into()),
            input_root_digest: Some(input_root_digest.into()),
            ..Default::default()
        };
        let action_digest = serialize_and_upload_message(
            &action,
            cas_store.as_pin(),
            &mut DigestHasherFunc::Sha256.hasher(),
        )
        .await?;

        let execute_request = ExecuteRequest {
            action_digest: Some(action_digest.into()),
            ..Default::default()
        };
        let operation_id = make_operation_id(&execute_request).to_string();

        let running_action_impl = running_actions_manager
            .create_and_add_action(
                WORKER_ID.to_string(),
                StartExecute {
                    execute_request: Some(execute_request),
                    operation_id,
                    queued_timestamp: None,
                },
            )
            .await?;

        run_action(running_action_impl.clone()).await?
    };
    let file_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.output_files[0].digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&file_content)?, "123 ");
    let stdout_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.stdout_digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&stdout_content)?, "foo-stdout ");
    let stderr_content = slow_store
        .as_ref()
        .get_part_unchunked(action_result.stderr_digest, 0, None)
        .await?;
    assert_eq!(from_utf8(&stderr_content)?, "bar-stderr  ");
    let mut clock_time = make_system_time(0);
    assert_eq!(
        action_result,
        ActionResult {
            output_files: vec![FileInfo {
                name_or_path: NameOrPath::Path("test.txt".to_string()),
                digest: DigestInfo::try_new(
                    "c69e10a5f54f4e28e33897fbd4f8701595443fa8c3004aeaa20dd4d9a463483b",
                    4
                )?,
                is_executable: false,
            }],
            stdout_digest: DigestInfo::try_new(
                "15019a676f057d97d1ad3af86f3cc1e623cb33b18ff28422bbe3248d2471cc94",
                11
            )?,
            stderr_digest: DigestInfo::try_new(
                "2375ab8a01ca11e1ea7606dfb58756c153d49733cde1dbfb5a1e00f39afacf06",
                12
            )?,
            exit_code: 0,
            output_folders: vec![DirectoryInfo {
                path: "tst".to_string(),
                tree_digest: DigestInfo::try_new(
                    "95711c1905d4898a70209dd6e98241dcafb479c00241a1ea4ed8415710d706f3",
                    166,
                )?,
            },],
            output_file_symlinks: vec![],
            output_directory_symlinks: vec![],
            server_logs: HashMap::new(),
            execution_metadata: ExecutionMetadata {
                worker: WORKER_ID.to_string(),
                queued_timestamp: SystemTime::UNIX_EPOCH,
                worker_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_start_timestamp: increment_clock(&mut clock_time),
                input_fetch_completed_timestamp: increment_clock(&mut clock_time),
                execution_start_timestamp: increment_clock(&mut clock_time),
                execution_completed_timestamp: increment_clock(&mut clock_time),
                output_upload_start_timestamp: increment_clock(&mut clock_time),
                output_upload_completed_timestamp: increment_clock(&mut clock_time),
                worker_completed_timestamp: increment_clock(&mut clock_time),
            },
            error: None,
            message: String::new(),
        }
    );
    Ok(())
}

#[nativelink_test]
async fn running_actions_manager_respects_action_timeout() -> Result<(), Box<dyn std::error::Error>>
{
    const WORKER_ID: &str = "foo_worker_id";

    let (_, _, cas_store, ac_store) = setup_stores().await?;
    let root_action_directory = make_temp_path("root_work_directory");
    fs::create_dir_all(&root_action_directory).await?;

    // Ignore the sleep and immediately timeout.
    static ACTION_TIMEOUT: i64 = 1;
    fn test_monotonic_clock() -> SystemTime {
        static CLOCK: AtomicU64 = AtomicU64::new(0);
        monotonic_clock(&CLOCK)
    }

    let running_actions_manager = Arc::new(RunningActionsManagerImpl::new_with_callbacks(
        RunningActionsManagerArgs {
            root_action_directory,
            execution_configuration: Default::default(),
            cas_store: cas_store.clone(),
            ac_store: Some(Store::new(ac_store.clone())),
            historical_store: Store::new(cas_store.clone()),
            upload_action_result_config: &nativelink_config::cas_server::UploadActionResultConfig {
                upload_ac_results_strategy:
                    nativelink_config::cas_server::UploadCacheResultsStrategy::never,
                ..Default::default()
            },
            max_action_timeout: Duration::MAX,
            timeout_handled_externally: false,
        },
        Callbacks {
            now_fn: test_monotonic_clock,
            // If action_timeout is the passed duration then return immeidately,
            // which will cause the action to be killed and pass the test,
            // otherwise return pending and fail the test.
            sleep_fn: |duration| {
                assert_eq!(duration.as_secs(), ACTION_TIMEOUT as u64);
                Box::pin(futures::future::ready(()))
            },
        },
    )?);
    #[cfg(target_family = "unix")]
    let arguments = vec!["sh".to_string(), "-c".to_string(), "sleep 2".to_string()];
    #[cfg(target_family = "windows")]
    let arguments = vec![
        "cmd".to_string(),
        "/C".to_string(),
        "ping -n 99999 127.0.0.1".to_string(),
    ];
    let command = Command {
        arguments,
        working_directory: ".".to_string(),
        ..Default::default()
    };
    let command_digest = serialize_and_upload_message(
        &command,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let input_root_digest = serialize_and_upload_message(
        &Directory::default(),
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;
    let action = Action {
        command_digest: Some(command_digest.into()),
        input_root_digest: Some(input_root_digest.into()),
        platform: Some(Platform {
            properties: vec![Property {
                name: "property_name".into(),
                value: "property_value".into(),
            }],
        }),
        timeout: Some(prost_types::Duration {
            seconds: ACTION_TIMEOUT,
            nanos: 0,
        }),
        ..Default::default()
    };
    let action_digest = serialize_and_upload_message(
        &action,
        cas_store.as_pin(),
        &mut DigestHasherFunc::Sha256.hasher(),
    )
    .await?;

    let execute_request = ExecuteRequest {
        action_digest: Some(action_digest.into()),
        ..Default::default()
    };
    let operation_id = make_operation_id(&execute_request).to_string();

    let running_action_impl = running_actions_manager
        .clone()
        .create_and_add_action(
            WORKER_ID.to_string(),
            StartExecute {
                execute_request: Some(execute_request),
                operation_id,
                queued_timestamp: Some(make_system_time(1000).into()),
            },
        )
        .await?;

    let result = run_action(running_action_impl).await?;

    #[cfg(target_family = "unix")]
    assert_eq!(result.exit_code, 9, "Action process should be been killed");
    #[cfg(target_family = "windows")]
    assert_eq!(result.exit_code, 1, "Action process should be been killed");
    Ok(())
}