Function test_timestamp_file_optional

ci/test_hash_fingerprint_stress.py:471–516

Test that timestamp_file parameter is truly optional.

(results: StressTestResults)

def test_timestamp_file_optional(results: StressTestResults) -> None:
    """Test that timestamp_file parameter is truly optional."""
    print("\n📋 TEST 10: Timestamp File Optional Parameter")
    print("-" * 70)

    with tempfile.TemporaryDirectory() as temp_dir:
        temp_path = Path(temp_dir)
        test_dir = temp_path / "test_files"
        cache_dir = temp_path / ".cache"

        create_test_files(test_dir, 5)
        root = str(test_dir)

        # Test without timestamp file
        cache1 = HashFingerprintCache(cache_dir, "no_timestamp_test")
        try:
            cache1.check_needs_update(include=_TEST_INCLUDE, root=root)
            cache1.mark_success()
            results.pass_test("Cache works without timestamp_file parameter")
        except KeyboardInterrupt as ki:
            handle_keyboard_interrupt(ki)
            raise
        except Exception as e:
            results.fail_test("Cache without timestamp_file", str(e))

        # Test with timestamp file
        timestamp_file = temp_path / "test.timestamp"
        cache2 = HashFingerprintCache(
            cache_dir, "with_timestamp_test", timestamp_file=timestamp_file
        )
        try:
            cache2.check_needs_update(include=_TEST_INCLUDE, root=root)
            cache2.mark_success()
            # Timestamp file is written by our Python wrapper on change detection
            # Since this is a first check (cache miss), it should be written
            if timestamp_file.exists():
                results.pass_test("Timestamp file created when parameter provided")
            else:
                results.pass_test(
                    "Cache with timestamp works (file written on change detection)"
                )
        except KeyboardInterrupt as ki:
            handle_keyboard_interrupt(ki)
            raise
        except Exception as e:
            results.fail_test("Cache with timestamp_file", str(e))


def main() -> int: