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Commit4fd006e

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gh-142752: add more thread safety tests for mock (#142791)
1 parentc35b812 commit4fd006e

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‎Lib/test/test_unittest/testmock/testthreadingmock.py‎

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Original file line numberDiff line numberDiff line change
@@ -219,5 +219,81 @@ def test_function():
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self.assertEqual(m.call_count,LOOPS*THREADS)
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deftest_call_args_thread_safe(self):
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m=ThreadingMock()
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LOOPS=100
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THREADS=10
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deftest_function(thread_id):
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foriinrange(LOOPS):
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m(thread_id,i)
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oldswitchinterval=sys.getswitchinterval()
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setswitchinterval(1e-6)
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try:
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threads= [
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threading.Thread(target=test_function,args=(thread_id,))
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forthread_idinrange(THREADS)
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]
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withthreading_helper.start_threads(threads):
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pass
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finally:
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sys.setswitchinterval(oldswitchinterval)
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expected_calls= {
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(thread_id,i)
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forthread_idinrange(THREADS)
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foriinrange(LOOPS)
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}
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self.assertSetEqual({call.argsforcallinm.call_args_list},expected_calls)
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deftest_method_calls_thread_safe(self):
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m=ThreadingMock()
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LOOPS=100
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THREADS=10
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deftest_function(thread_id):
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foriinrange(LOOPS):
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getattr(m,f"method_{thread_id}")(i)
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oldswitchinterval=sys.getswitchinterval()
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setswitchinterval(1e-6)
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try:
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threads= [
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threading.Thread(target=test_function,args=(thread_id,))
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forthread_idinrange(THREADS)
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]
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withthreading_helper.start_threads(threads):
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pass
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finally:
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sys.setswitchinterval(oldswitchinterval)
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forthread_idinrange(THREADS):
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self.assertEqual(getattr(m,f"method_{thread_id}").call_count,LOOPS)
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self.assertEqual({call.argsforcallingetattr(m,f"method_{thread_id}").call_args_list},
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{(i,)foriinrange(LOOPS)})
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deftest_mock_calls_thread_safe(self):
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m=ThreadingMock()
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LOOPS=100
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THREADS=10
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deftest_function(thread_id):
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foriinrange(LOOPS):
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m(thread_id,i)
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oldswitchinterval=sys.getswitchinterval()
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setswitchinterval(1e-6)
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try:
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threads= [
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threading.Thread(target=test_function,args=(thread_id,))
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forthread_idinrange(THREADS)
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]
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withthreading_helper.start_threads(threads):
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pass
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finally:
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sys.setswitchinterval(oldswitchinterval)
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expected_calls= {
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(thread_id,i)
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forthread_idinrange(THREADS)
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foriinrange(LOOPS)
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}
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self.assertSetEqual({call.argsforcallinm.mock_calls},expected_calls)
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if__name__=="__main__":
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unittest.main()

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