debug code

tests/test_caching.py

@@ -1,5 +1,6 @@
 import gc
 import os
+import sys
 from time import sleep
 from pathlib import Path
 
@@ -501,12 +502,37 @@ def test_manual_cache_clearing(rig: CloudProviderTestRig):
 
     assert len(list(filter(lambda x: x.is_file(), client._local_cache_dir.rglob("*")))) == 0
 
+    # Enable debugging for garbage collection
+    gc.callbacks.append(lambda event, args: print(f"GC {event} - {args}"))
+
     # also removes containing folder on client cleanted up
     local_cache_path = cp._local
     client_cache_folder = client._local_cache_dir
     del cp
     del client
 
+    def _debug(path):
+        import subprocess
+        import psutil
+
+        # file handles on windows
+        if sys.platform == "win32":
+            import subprocess
+
+            result = subprocess.run(["handle.exe", path], capture_output=True, text=True)
+            print(f" HANDLES FOR {path}")
+            print(result.stdout)
+
+        # processes with open files
+        open_files = []
+        for proc in psutil.process_iter(["pid", "name", "open_files"]):
+            for file in proc.info["open_files"] or []:
+                if path in file.path:
+                    open_files.append((proc.info["pid"], proc.info["name"], file.path))
+
+        print(f" OPEN FILES INFO FOR {path}")
+        print(open_files)
+
     # in CI there can be a lag before the cleanup actually happens
     @retry(
         retry=retry_if_exception_type(AssertionError),
@@ -515,13 +541,18 @@ def test_manual_cache_clearing(rig: CloudProviderTestRig):
         reraise=True,
     )
     def _resilient_assert():
+        _debug(str(local_cache_path.resolve()))
+        _debug(str(client_cache_folder.resolve()))
+
         gc.collect()  # force gc before asserting
 
         assert not local_cache_path.exists()
         assert not client_cache_folder.exists()
 
     _resilient_assert()
 
+    gc.callbacks.pop()
+
 
 def test_reuse_cache_after_manual_cache_clear(rig: CloudProviderTestRig):
     # use client that we can delete rather than default