fix lint

Author: vlad-scherbich

RLOCK_E2E_VALIDATION.md

@@ -4,44 +4,47 @@
 Validates RLock collector functionality and integration points.
 """
 
-import threading
 import sys
-import os
+import threading
 import time
 
+
 # Add the project to Python path
-sys.path.insert(0, '/Users/vlad.scherbich/go/src/github.com/DataDog/dd-trace-py-2')
+sys.path.insert(0, "/Users/vlad.scherbich/go/src/github.com/DataDog/dd-trace-py-2")
+
 
 def test_rlock_import_and_creation():
     """Test that RLock collector can be imported and created"""
     print("=== RLock Import and Creation Test ===")
-    
+
     try:
         from ddtrace.profiling.collector import threading as collector_threading
+
         print("✅ Successfully imported ThreadingRLockCollector")
-        
+
         # Create collectors
         lock_collector = collector_threading.ThreadingLockCollector()
         rlock_collector = collector_threading.ThreadingRLockCollector()
-        
+
         print(f"✅ Lock collector created: {type(lock_collector)}")
         print(f"✅ RLock collector created: {type(rlock_collector)}")
-        
+
         return True
-        
+
     except Exception as e:
         print(f"❌ Import/creation failed: {e}")
         return False
 
+
 def test_rlock_behavior_patterns():
     """Test RLock reentrant behavior patterns (without profiler active)"""
     print("\n=== RLock Behavior Patterns Test ===")
-    
+
     try:
         # Test standard RLock reentrant behavior
         rlock = threading.RLock()
         results = []
-        
+
         def test_reentrant_pattern():
             """Test multi-level reentrant acquisition"""
             with rlock:
@@ -51,51 +54,52 @@ def test_reentrant_pattern():
                     with rlock:  # Double reentrant
                         results.append("Level 3")
                         time.sleep(0.01)
-        
+
         # Test with multiple threads
         threads = []
         for i in range(2):
             t = threading.Thread(target=test_reentrant_pattern, name=f"Thread-{i}")
             threads.append(t)
-        
+
         for t in threads:
             t.start()
-        
+
         for t in threads:
             t.join()
-        
+
         expected_results = 2 * 3  # 2 threads × 3 levels each
         print(f"Completed {len(results)} reentrant operations")
         print(f"Expected {expected_results} operations")
-        
+
         success = len(results) == expected_results
         if success:
             print("✅ RLock reentrant behavior works correctly!")
         else:
             print(f"⚠️  Unexpected result count: {len(results)} vs {expected_results}")
-        
+
         return success
-        
+
     except Exception as e:
         print(f"❌ RLock behavior test failed: {e}")
         return False
 
+
 def test_lock_vs_rlock_differences():
     """Test the key differences between Lock and RLock"""
     print("\n=== Lock vs RLock Differences Test ===")
-    
+
     try:
         lock = threading.Lock()
         rlock = threading.RLock()
-        
+
         print(f"Lock type: {type(lock)}")
         print(f"RLock type: {type(rlock)}")
-        
+
         # Test Lock (non-reentrant)
         print("Testing Lock (non-reentrant)...")
         with lock:
             print("  Lock acquired and released successfully")
-        
+
         # Test RLock (reentrant)
         print("Testing RLock (reentrant)...")
         with rlock:
@@ -107,116 +111,120 @@ def test_lock_vs_rlock_differences():
                 print("  RLock level 3 released")
             print("  RLock level 2 released")
         print("  RLock level 1 released")
-        
+
         print("✅ Lock vs RLock behavior differences confirmed!")
         return True
-        
+
     except Exception as e:
         print(f"❌ Lock vs RLock test failed: {e}")
         return False
 
+
 def test_threading_module_integration():
     """Test integration with threading module"""
     print("\n=== Threading Module Integration Test ===")
-    
+
     try:
         # Verify we can create locks normally
         locks_created = []
-        
+
         # Create various lock types
         regular_lock = threading.Lock()
         reentrant_lock = threading.RLock()
         condition = threading.Condition()
         semaphore = threading.Semaphore()
-        
-        locks_created.extend([
-            ("Lock", regular_lock),
-            ("RLock", reentrant_lock), 
-            ("Condition", condition),
-            ("Semaphore", semaphore)
-        ])
-        
+
+        locks_created.extend(
+            [("Lock", regular_lock), ("RLock", reentrant_lock), ("Condition", condition), ("Semaphore", semaphore)]
+        )
+
         print("Created lock types:")
         for name, lock_obj in locks_created:
             print(f"  {name}: {type(lock_obj)}")
-        
+
         # Test basic functionality
         print("Testing basic functionality...")
-        
+
         with regular_lock:
             print("  Regular Lock works")
-        
+
         with reentrant_lock:
             with reentrant_lock:  # Reentrant
                 print("  RLock reentrant functionality works")
-        
+
         with condition:
             print("  Condition works")
-        
+
         with semaphore:
             print("  Semaphore works")
-        
+
         print("✅ Threading module integration successful!")
         return True
-        
+
     except Exception as e:
         print(f"❌ Threading integration test failed: {e}")
         return False
 
+
 def test_profiler_readiness():
     """Test that the environment is ready for profiling"""
     print("\n=== Profiler Readiness Test ===")
-    
+
     try:
         # Test imports
-        import ddtrace
+        import ddtrace  # noqa: F401
+
         print("✅ ddtrace imports successfully")
-        
+
         from ddtrace.profiling.collector import threading as collector_threading
+
         print("✅ Threading collector imports successfully")
-        
-        from ddtrace.profiling.collector import _lock
+
+        from ddtrace.profiling.collector import _lock  # noqa: F401
+
         print("✅ Lock collector base imports successfully")
-        
+
         # Test collector classes exist
         lock_collector_class = collector_threading.ThreadingLockCollector
         rlock_collector_class = collector_threading.ThreadingRLockCollector
-        
+
         print(f"✅ Lock collector class: {lock_collector_class}")
         print(f"✅ RLock collector class: {rlock_collector_class}")
-        
+
         # Test profiled lock classes exist
         profiled_lock_class = collector_threading._ProfiledThreadingLock
         profiled_rlock_class = collector_threading._ProfiledThreadingRLock
-        
+
         print(f"✅ Profiled Lock class: {profiled_lock_class}")
         print(f"✅ Profiled RLock class: {profiled_rlock_class}")
-        
+
         print("✅ Environment is ready for RLock profiling!")
         return True
-        
+
     except Exception as e:
         print(f"❌ Profiler readiness test failed: {e}")
         import traceback
+
         traceback.print_exc()
         return False
 
+
 if __name__ == "__main__":
     print("🔒 E2E RLock Profiling Validation")
     print("=" * 50)
     print("This test validates RLock profiling integration")
     print("and core functionality.")
     print("=" * 50)
     print()
-    
+
     try:
         # Run test suites
         test1_passed = test_rlock_import_and_creation()
         test2_passed = test_rlock_behavior_patterns()
         test3_passed = test_lock_vs_rlock_differences()
         test4_passed = test_threading_module_integration()
         test5_passed = test_profiler_readiness()
-        
+
         print(f"\n{'=' * 50}")
         print("🏁 FINAL RESULTS")
         print(f"{'=' * 50}")
@@ -225,19 +233,20 @@ def test_profiler_readiness():
         print(f"Lock vs RLock differences:    {'✅ PASS' if test3_passed else '❌ FAIL'}")
         print(f"Threading module integration: {'✅ PASS' if test4_passed else '❌ FAIL'}")
         print(f"Profiler readiness:           {'✅ PASS' if test5_passed else '❌ FAIL'}")
-        
+
         all_passed = all([test1_passed, test2_passed, test3_passed, test4_passed, test5_passed])
-        
+
         if all_passed:
-            print(f"\n🎉 ALL E2E TESTS PASSED!")
+            print("\n🎉 ALL E2E TESTS PASSED!")
             print("RLock profiling implementation is ready!")
         else:
-            print(f"\n⚠️  Some tests had issues.")
-            
+            print("\n⚠️  Some tests had issues.")
+
         print(f"\n{'=' * 50}")
         print("E2E validation complete!")
-            
+
     except Exception as e:
         print(f"\n💥 Tests failed with exception: {e}")
         import traceback
+
         traceback.print_exc()