Function test_large_file_set_performance

ci/test_hash_fingerprint_stress.py:388–433

Test performance with many files.

(results: StressTestResults)

def test_large_file_set_performance(results: StressTestResults) -> None:
    """Test performance with many files."""
    print("\n📋 TEST 8: Large File Set Performance")
    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 500 files (simulating larger codebase)
        print("  Creating 500 test files...")
        create_test_files(test_dir, 500)
        print("  Done.")
        root = str(test_dir)

        cache = HashFingerprintCache(cache_dir, "perf_test")

        # Time the check_needs_update
        start = time.time()
        cache.check_needs_update(include=_TEST_INCLUDE, root=root)
        check_time = time.time() - start

        if check_time < 5.0:
            results.pass_test(
                f"check_needs_update with 500 files completed in {check_time:.3f}s"
            )
        else:
            results.fail_test(
                "check_needs_update with 500 files < 5s",
                f"Took {check_time:.3f}s",
            )

        # Time the mark_success
        start = time.time()
        cache.mark_success()
        mark_time = time.time() - start

        if mark_time < 2.0:
            results.pass_test(
                f"mark_success with 500 files completed in {mark_time:.3f}s"
            )
        else:
            results.fail_test(
                "mark_success with 500 files < 2s", f"Took {mark_time:.3f}s"
            )


def test_race_condition_rapid_operations(results: StressTestResults) -> None: