From eb7d1421daba4c311bcc8ccb35523bc542dc5816 Mon Sep 17 00:00:00 2001
From: Alex Clarke <alex.j.tusa@gmail.com>
Date: Fri, 11 Sep 2026 23:24:21 -0600
Subject: [PATCH] fix(tests): collision-proof parser test temp files to deflake
 macOS CI

---
 src/parsers/python.rs     |  6 ++++--
 src/parsers/typescript.rs | 13 +++++++------
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/parsers/python.rs b/src/parsers/python.rs
index 5ed23b3..26d0ce8 100644
--- a/src/parsers/python.rs
+++ b/src/parsers/python.rs
@@ -367,9 +367,11 @@ mod tests {
         file_name: &str,
         parent: &Path,
     ) -> Result<Vec<FunctionDeclaration>> {
+        let pid = std::process::id();
         let unique = PARSE_COUNTER.fetch_add(1, Ordering::Relaxed);
-        let path =
-            std::env::temp_dir().join(format!("coyote_python_parser_{file_name}_{unique}.py"));
+        let path = std::env::temp_dir().join(format!(
+            "coyote_python_parser_{file_name}_{pid}_{unique}.py"
+        ));
         fs::write(&path, source).expect("failed to write temp python source");
         let file = File::open(&path).expect("failed to open temp python source");
         let result = generate_python_declarations(file, file_name, Some(parent));
diff --git a/src/parsers/typescript.rs b/src/parsers/typescript.rs
index a00a5a8..f3b5ecd 100644
--- a/src/parsers/typescript.rs
+++ b/src/parsers/typescript.rs
@@ -414,18 +414,19 @@ mod tests {
     use super::*;
     use crate::function::JsonSchema;
     use std::fs;
-    use std::time::{SystemTime, UNIX_EPOCH};
+    use std::sync::atomic::{AtomicU64, Ordering};
+
+    static PARSE_COUNTER: AtomicU64 = AtomicU64::new(0);
 
     fn parse_ts_source(
         source: &str,
         file_name: &str,
         parent: &Path,
     ) -> Result<Vec<FunctionDeclaration>> {
-        let unique = SystemTime::now()
-            .duration_since(UNIX_EPOCH)
-            .expect("time")
-            .as_nanos();
-        let path = std::env::temp_dir().join(format!("coyote_ts_parser_{file_name}_{unique}.ts"));
+        let pid = std::process::id();
+        let unique = PARSE_COUNTER.fetch_add(1, Ordering::Relaxed);
+        let path =
+            std::env::temp_dir().join(format!("coyote_ts_parser_{file_name}_{pid}_{unique}.ts"));
         fs::write(&path, source).expect("write");
         let file = File::open(&path).expect("open");
         let result = generate_typescript_declarations(file, file_name, Some(parent));