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Added more tests for the dev files and added urandom support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| //! Used for /dev/zero - infinitely returns zero | ||
| //! which is useful for commands like `dd if=/dev/zero of=bigfile.img size=1G` | ||
| use std::io::{self, *}; | ||
| use std::pin::Pin; | ||
| use std::task::{Context, Poll}; | ||
|
|
||
| use tokio::io::{AsyncRead, AsyncSeek, AsyncWrite}; | ||
|
|
||
| use crate::VirtualFile; | ||
|
|
||
| #[derive(Debug, Default)] | ||
| pub struct RandomFile {} | ||
|
|
||
| impl AsyncSeek for RandomFile { | ||
| fn start_seek(self: Pin<&mut Self>, _position: SeekFrom) -> io::Result<()> { | ||
| Ok(()) | ||
| } | ||
| fn poll_complete(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<io::Result<u64>> { | ||
| Poll::Ready(Ok(0)) | ||
| } | ||
| } | ||
|
|
||
| impl AsyncWrite for RandomFile { | ||
| fn poll_write( | ||
| self: Pin<&mut Self>, | ||
| _cx: &mut Context<'_>, | ||
| buf: &[u8], | ||
| ) -> Poll<io::Result<usize>> { | ||
| Poll::Ready(Ok(buf.len())) | ||
| } | ||
| fn poll_flush(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<io::Result<()>> { | ||
| Poll::Ready(Ok(())) | ||
| } | ||
| fn poll_shutdown(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<io::Result<()>> { | ||
| Poll::Ready(Ok(())) | ||
| } | ||
| fn poll_write_vectored( | ||
| self: Pin<&mut Self>, | ||
| _cx: &mut Context<'_>, | ||
| bufs: &[IoSlice<'_>], | ||
| ) -> Poll<io::Result<usize>> { | ||
| Poll::Ready(Ok(bufs.len())) | ||
| } | ||
| fn is_write_vectored(&self) -> bool { | ||
| false | ||
| } | ||
| } | ||
|
|
||
| impl AsyncRead for RandomFile { | ||
| fn poll_read( | ||
| self: Pin<&mut Self>, | ||
| _cx: &mut Context<'_>, | ||
| buf: &mut tokio::io::ReadBuf<'_>, | ||
| ) -> Poll<io::Result<()>> { | ||
| let mut data = vec![0u8; buf.remaining()]; | ||
| getrandom::getrandom(&mut data).ok(); | ||
| buf.put_slice(&data[..]); | ||
| Poll::Ready(Ok(())) | ||
| } | ||
| } | ||
|
|
||
| impl VirtualFile for RandomFile { | ||
| fn last_accessed(&self) -> u64 { | ||
| 0 | ||
| } | ||
| fn last_modified(&self) -> u64 { | ||
| 0 | ||
| } | ||
| fn created_time(&self) -> u64 { | ||
| 0 | ||
| } | ||
| fn size(&self) -> u64 { | ||
| 0 | ||
| } | ||
| fn set_len(&mut self, _new_size: u64) -> crate::Result<()> { | ||
| Ok(()) | ||
| } | ||
| fn unlink(&mut self) -> crate::Result<()> { | ||
| Ok(()) | ||
| } | ||
| fn poll_read_ready(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<io::Result<usize>> { | ||
| Poll::Ready(Ok(0)) | ||
| } | ||
| fn poll_write_ready(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<io::Result<usize>> { | ||
| Poll::Ready(Ok(0)) | ||
| } | ||
| } |
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58 changes: 58 additions & 0 deletions
58
tests/integration/cli/tests/snapshots/snapshot__snapshot_dash_dev_urandom.snap
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| --- | ||
| source: tests/integration/cli/tests/snapshot.rs | ||
| assertion_line: 642 | ||
| expression: snapshot | ||
| --- | ||
| { | ||
| "spec": { | ||
| "name": "snapshot::test_snapshot_dash_dev_urandom", | ||
| "use_packages": [ | ||
| "sharrattj/coreutils" | ||
| ], | ||
| "cli_args": [], | ||
| "stdin": [ | ||
| 104, | ||
| 101, | ||
| 97, | ||
| 100, | ||
| 32, | ||
| 45, | ||
| 99, | ||
| 32, | ||
| 49, | ||
| 48, | ||
| 32, | ||
| 47, | ||
| 100, | ||
| 101, | ||
| 118, | ||
| 47, | ||
| 117, | ||
| 114, | ||
| 97, | ||
| 110, | ||
| 100, | ||
| 111, | ||
| 109, | ||
| 32, | ||
| 124, | ||
| 32, | ||
| 119, | ||
| 99, | ||
| 32, | ||
| 45, | ||
| 99 | ||
| ], | ||
| "debug_output": false, | ||
| "enable_threads": true, | ||
| "enable_network": false, | ||
| "http_request": null | ||
| }, | ||
| "result": { | ||
| "Success": { | ||
| "stdout": "10\n", | ||
| "stderr": "# # \n", | ||
| "exit_code": 0 | ||
| } | ||
| } | ||
| } |
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