From d9afbea97d2a4ab0692ad170f7f98145add2de0c Mon Sep 17 00:00:00 2001
From: startup-dreamer <prsumit35@gmail.com>
Date: Thu, 27 Mar 2025 05:23:25 +0530
Subject: [PATCH] chore: add check for path and existence existence

---
 bins/revme/src/cmd/statetest.rs        | 19 ++++++++++++++++++-
 bins/revme/src/cmd/statetest/runner.rs |  4 ++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/bins/revme/src/cmd/statetest.rs b/bins/revme/src/cmd/statetest.rs
index bac92b6fbe..3094316d53 100644
--- a/bins/revme/src/cmd/statetest.rs
+++ b/bins/revme/src/cmd/statetest.rs
@@ -2,7 +2,7 @@ pub mod merkle_trie;
 mod runner;
 pub mod utils;
 
-pub use runner::TestError as Error;
+pub use runner::{TestError as Error, TestErrorKind};
 
 use clap::Parser;
 use runner::{find_all_json_tests, run, TestError};
@@ -42,8 +42,25 @@ impl Cmd {
     /// Runs `statetest` command.
     pub fn run(&self) -> Result<(), TestError> {
         for path in &self.paths {
+            if !path.exists() {
+                return Err(TestError {
+                    name: "Path validation".to_string(),
+                    path: path.display().to_string(),
+                    kind: TestErrorKind::InvalidPath,
+                });
+            }
+
             println!("\nRunning tests in {}...", path.display());
             let test_files = find_all_json_tests(path);
+
+            if test_files.is_empty() {
+                return Err(TestError {
+                    name: "Path validation".to_string(),
+                    path: path.display().to_string(),
+                    kind: TestErrorKind::NoJsonFiles,
+                });
+            }
+
             run(
                 test_files,
                 self.single_thread,
diff --git a/bins/revme/src/cmd/statetest/runner.rs b/bins/revme/src/cmd/statetest/runner.rs
index 544b8dc3ac..5ec5186dc3 100644
--- a/bins/revme/src/cmd/statetest/runner.rs
+++ b/bins/revme/src/cmd/statetest/runner.rs
@@ -66,6 +66,10 @@ pub enum TestErrorKind {
     SerdeDeserialize(#[from] serde_json::Error),
     #[error("thread panicked")]
     Panic,
+    #[error("path does not exist")]
+    InvalidPath,
+    #[error("no JSON test files found in path")]
+    NoJsonFiles,
 }
 
 pub fn find_all_json_tests(path: &Path) -> Vec<PathBuf> {