def test_TransactionTimer(self):
"""Test basic interface of TransactionTimer."""
transaction_timer = TransactionTimer()
self.assertEqual(transaction_timer.get_transaction_time(), None)
transaction_timer.start_transaction()
self.assertNotEqual(transaction_timer.get_transaction_time(), None)
transaction_timer.end_transaction()
self.assertEqual(transaction_timer.get_transaction_time(), None)
def test_TransactionTimer(self):
"""Test basic interface of TransactionTimer."""
transaction_timer = TransactionTimer()
self.assertEqual(transaction_timer.get_transaction_time(), None)
transaction_timer.start_transaction()
self.assertNotEqual(transaction_timer.get_transaction_time(), None)
transaction_timer.end_transaction()
self.assertEqual(transaction_timer.get_transaction_time(), None)
def test_thread_isolation(self):
"""Different threads do not interfere with each other."""
transaction_timer = TransactionTimer()
event1 = threading.Event()
event2 = threading.Event()
def worker():
"""Start and finish a transaction in a thread."""
self.assertEqual(transaction_timer.get_transaction_time(), None)
transaction_timer.start_transaction()
event1.set()
event2.wait()
self.assertNotEqual(transaction_timer.get_transaction_time(), None)
transaction_timer.end_transaction()
transaction_timer.start_transaction()
thread = threading.Thread(target=worker)
thread.start()
event1.wait()
transaction_timer.end_transaction()
event2.set()
thread.join()
def test_thread_isolation(self):
"""Different threads do not interfere with each other."""
transaction_timer = TransactionTimer()
event1 = threading.Event()
event2 = threading.Event()
def worker():
"""Start and finish a transaction in a thread."""
self.assertEqual(transaction_timer.get_transaction_time(), None)
transaction_timer.start_transaction()
event1.set()
event2.wait()
self.assertNotEqual(transaction_timer.get_transaction_time(), None)
transaction_timer.end_transaction()
transaction_timer.start_transaction()
thread = threading.Thread(target=worker)
thread.start()
event1.wait()
transaction_timer.end_transaction()
event2.set()
thread.join()
