Add unit test

src/rust/engine/process_execution/src/lib.rs

@@ -158,3 +158,39 @@ impl CommandRunner for BoundedCommandRunner {
     self.inner.1.with_acquired(move || inner.0.run(req))
   }
 }
+
+#[cfg(test)]
+mod tests {
+  use super::ExecuteProcessRequest;
+  use std::collections::hash_map::DefaultHasher;
+  use std::collections::{BTreeMap, BTreeSet};
+  use std::hash::Hash;
+
+  #[test]
+  fn execute_process_request_equality() {
+    let a = ExecuteProcessRequest {
+      argv: vec![],
+      env: BTreeMap::new(),
+      input_files: hashing::EMPTY_DIGEST,
+      output_files: BTreeSet::new(),
+      output_directories: BTreeSet::new(),
+      timeout: std::time::Duration::new(0, 0),
+      description: format!("One message"),
+      jdk_home: None,
+    };
+
+    let b = ExecuteProcessRequest {
+      argv: vec![],
+      env: BTreeMap::new(),
+      input_files: hashing::EMPTY_DIGEST,
+      output_files: BTreeSet::new(),
+      output_directories: BTreeSet::new(),
+      timeout: std::time::Duration::new(0, 0),
+      description: format!("Different message"),
+      jdk_home: None,
+    };
+    assert!(a == b);
+    let mut hasher = DefaultHasher::new();
+    assert!(a.hash(&mut hasher) == b.hash(&mut hasher));
+  }
+}