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-rw-r--r--mock/tests/testasync.py1074
1 files changed, 0 insertions, 1074 deletions
diff --git a/mock/tests/testasync.py b/mock/tests/testasync.py
deleted file mode 100644
index 9fd2b65..0000000
--- a/mock/tests/testasync.py
+++ /dev/null
@@ -1,1074 +0,0 @@
-
-import asyncio
-import gc
-import inspect
-import re
-import unittest
-from contextlib import contextmanager
-
-from mock import (ANY, call, AsyncMock, patch, MagicMock, Mock,
- create_autospec, sentinel)
-from mock.backports import IsolatedAsyncioTestCase, iscoroutinefunction
-from mock.mock import _CallList
-
-
-try:
- from asyncio import run
-except ImportError:
- def run(main):
- loop = asyncio.new_event_loop()
- try:
- return_value = loop.run_until_complete(main)
- finally:
- loop.close()
- return return_value
-
-
-def tearDownModule():
- asyncio.set_event_loop_policy(None)
-
-
-class AsyncClass:
- def __init__(self): pass
- async def async_method(self): pass
- def normal_method(self): pass
-
- @classmethod
- async def async_class_method(cls): pass
-
- @staticmethod
- async def async_static_method(): pass
-
-
-class AwaitableClass:
- def __await__(self): yield
-
-async def async_func(): pass
-
-async def async_func_args(a, b, *, c): pass
-
-def normal_func(): pass
-
-class NormalClass(object):
- def a(self): pass
-
-
-async_foo_name = f'{__name__}.AsyncClass'
-normal_foo_name = f'{__name__}.NormalClass'
-
-
-@contextmanager
-def assertNeverAwaited(test):
- with test.assertWarnsRegex(RuntimeWarning, "was never awaited$"):
- yield
- # In non-CPython implementations of Python, this is needed because timely
- # deallocation is not guaranteed by the garbage collector.
- gc.collect()
-
-
-class AsyncPatchDecoratorTest(unittest.TestCase):
- def test_is_coroutine_function_patch(self):
- @patch.object(AsyncClass, 'async_method')
- def test_async(mock_method):
- self.assertTrue(iscoroutinefunction(mock_method))
- test_async()
-
- def test_is_async_patch(self):
- @patch.object(AsyncClass, 'async_method')
- def test_async(mock_method):
- m = mock_method()
- self.assertTrue(inspect.isawaitable(m))
- run(m)
-
- @patch(f'{async_foo_name}.async_method')
- def test_no_parent_attribute(mock_method):
- m = mock_method()
- self.assertTrue(inspect.isawaitable(m))
- run(m)
-
- test_async()
- test_no_parent_attribute()
-
- def test_is_AsyncMock_patch(self):
- @patch.object(AsyncClass, 'async_method')
- def test_async(mock_method):
- self.assertIsInstance(mock_method, AsyncMock)
-
- test_async()
-
- def test_is_AsyncMock_patch_staticmethod(self):
- @patch.object(AsyncClass, 'async_static_method')
- def test_async(mock_method):
- self.assertIsInstance(mock_method, AsyncMock)
-
- test_async()
-
- def test_is_AsyncMock_patch_classmethod(self):
- @patch.object(AsyncClass, 'async_class_method')
- def test_async(mock_method):
- self.assertIsInstance(mock_method, AsyncMock)
-
- test_async()
-
- def test_async_def_patch(self):
- @patch(f"{__name__}.async_func", return_value=1)
- @patch(f"{__name__}.async_func_args", return_value=2)
- async def test_async(func_args_mock, func_mock):
- self.assertEqual(func_args_mock._mock_name, "async_func_args")
- self.assertEqual(func_mock._mock_name, "async_func")
-
- self.assertIsInstance(async_func, AsyncMock)
- self.assertIsInstance(async_func_args, AsyncMock)
-
- self.assertEqual(await async_func(), 1)
- self.assertEqual(await async_func_args(1, 2, c=3), 2)
-
- run(test_async())
- self.assertTrue(inspect.iscoroutinefunction(async_func))
-
-
-class AsyncPatchCMTest(unittest.TestCase):
- def test_is_async_function_cm(self):
- def test_async():
- with patch.object(AsyncClass, 'async_method') as mock_method:
- self.assertTrue(iscoroutinefunction(mock_method))
-
- test_async()
-
- def test_is_async_cm(self):
- def test_async():
- with patch.object(AsyncClass, 'async_method') as mock_method:
- m = mock_method()
- self.assertTrue(inspect.isawaitable(m))
- run(m)
-
- test_async()
-
- def test_is_AsyncMock_cm(self):
- def test_async():
- with patch.object(AsyncClass, 'async_method') as mock_method:
- self.assertIsInstance(mock_method, AsyncMock)
-
- test_async()
-
- def test_async_def_cm(self):
- async def test_async():
- with patch(f"{__name__}.async_func", AsyncMock()):
- self.assertIsInstance(async_func, AsyncMock)
- self.assertTrue(inspect.iscoroutinefunction(async_func))
-
- run(test_async())
-
-
-class AsyncMockTest(unittest.TestCase):
- def test_iscoroutinefunction_default(self):
- mock = AsyncMock()
- self.assertTrue(iscoroutinefunction(mock))
-
- def test_iscoroutinefunction_function(self):
- async def foo(): pass
- mock = AsyncMock(foo)
- self.assertTrue(iscoroutinefunction(mock))
- self.assertTrue(inspect.iscoroutinefunction(mock))
-
- def test_isawaitable(self):
- mock = AsyncMock()
- m = mock()
- self.assertTrue(inspect.isawaitable(m))
- run(m)
- self.assertIn('assert_awaited', dir(mock))
-
- def test_iscoroutinefunction_normal_function(self):
- def foo(): pass
- mock = AsyncMock(foo)
- self.assertTrue(iscoroutinefunction(mock))
- self.assertTrue(inspect.iscoroutinefunction(mock))
-
- def test_future_isfuture(self):
- loop = asyncio.new_event_loop()
- asyncio.set_event_loop(loop)
- fut = asyncio.Future()
- loop.stop()
- loop.close()
- mock = AsyncMock(fut)
- self.assertIsInstance(mock, asyncio.Future)
-
-
-class AsyncAutospecTest(unittest.TestCase):
- def test_is_AsyncMock_patch(self):
- @patch(async_foo_name, autospec=True)
- def test_async(mock_method):
- self.assertIsInstance(mock_method.async_method, AsyncMock)
- self.assertIsInstance(mock_method, MagicMock)
-
- @patch(async_foo_name, autospec=True)
- def test_normal_method(mock_method):
- self.assertIsInstance(mock_method.normal_method, MagicMock)
-
- test_async()
- test_normal_method()
-
- def test_create_autospec_instance(self):
- with self.assertRaises(RuntimeError):
- create_autospec(async_func, instance=True)
-
- def test_create_autospec_awaitable_class(self):
- awaitable_mock = create_autospec(spec=AwaitableClass())
- self.assertIsInstance(create_autospec(awaitable_mock), AsyncMock)
-
- def test_create_autospec(self):
- spec = create_autospec(async_func_args)
- awaitable = spec(1, 2, c=3)
- async def main():
- await awaitable
-
- self.assertEqual(spec.await_count, 0)
- self.assertIsNone(spec.await_args)
- self.assertEqual(spec.await_args_list, [])
- spec.assert_not_awaited()
-
- run(main())
-
- self.assertTrue(iscoroutinefunction(spec))
- self.assertTrue(asyncio.iscoroutine(awaitable))
- self.assertEqual(spec.await_count, 1)
- self.assertEqual(spec.await_args, call(1, 2, c=3))
- self.assertEqual(spec.await_args_list, [call(1, 2, c=3)])
- spec.assert_awaited_once()
- spec.assert_awaited_once_with(1, 2, c=3)
- spec.assert_awaited_with(1, 2, c=3)
- spec.assert_awaited()
-
- with self.assertRaises(AssertionError):
- spec.assert_any_await(e=1)
-
-
- def test_patch_with_autospec(self):
-
- async def test_async():
- with patch(f"{__name__}.async_func_args", autospec=True) as mock_method:
- awaitable = mock_method(1, 2, c=3)
- self.assertIsInstance(mock_method.mock, AsyncMock)
-
- self.assertTrue(iscoroutinefunction(mock_method))
- self.assertTrue(asyncio.iscoroutine(awaitable))
- self.assertTrue(inspect.isawaitable(awaitable))
-
- # Verify the default values during mock setup
- self.assertEqual(mock_method.await_count, 0)
- self.assertEqual(mock_method.await_args_list, [])
- self.assertIsNone(mock_method.await_args)
- mock_method.assert_not_awaited()
-
- await awaitable
-
- self.assertEqual(mock_method.await_count, 1)
- self.assertEqual(mock_method.await_args, call(1, 2, c=3))
- self.assertEqual(mock_method.await_args_list, [call(1, 2, c=3)])
- mock_method.assert_awaited_once()
- mock_method.assert_awaited_once_with(1, 2, c=3)
- mock_method.assert_awaited_with(1, 2, c=3)
- mock_method.assert_awaited()
-
- mock_method.reset_mock()
- self.assertEqual(mock_method.await_count, 0)
- self.assertIsNone(mock_method.await_args)
- self.assertEqual(mock_method.await_args_list, [])
-
- run(test_async())
-
-
-class AsyncSpecTest(unittest.TestCase):
- def test_spec_normal_methods_on_class(self):
- def inner_test(mock_type):
- mock = mock_type(AsyncClass)
- self.assertIsInstance(mock.async_method, AsyncMock)
- self.assertIsInstance(mock.normal_method, MagicMock)
-
- for mock_type in [AsyncMock, MagicMock]:
- with self.subTest(f"test method types with {mock_type}"):
- inner_test(mock_type)
-
- def test_spec_normal_methods_on_class_with_mock(self):
- mock = Mock(AsyncClass)
- self.assertIsInstance(mock.async_method, AsyncMock)
- self.assertIsInstance(mock.normal_method, Mock)
-
- def test_spec_mock_type_kw(self):
- def inner_test(mock_type):
- async_mock = mock_type(spec=async_func)
- self.assertIsInstance(async_mock, mock_type)
- with assertNeverAwaited(self):
- self.assertTrue(inspect.isawaitable(async_mock()))
-
- sync_mock = mock_type(spec=normal_func)
- self.assertIsInstance(sync_mock, mock_type)
-
- for mock_type in [AsyncMock, MagicMock, Mock]:
- with self.subTest(f"test spec kwarg with {mock_type}"):
- inner_test(mock_type)
-
- def test_spec_mock_type_positional(self):
- def inner_test(mock_type):
- async_mock = mock_type(async_func)
- self.assertIsInstance(async_mock, mock_type)
- with assertNeverAwaited(self):
- self.assertTrue(inspect.isawaitable(async_mock()))
-
- sync_mock = mock_type(normal_func)
- self.assertIsInstance(sync_mock, mock_type)
-
- for mock_type in [AsyncMock, MagicMock, Mock]:
- with self.subTest(f"test spec positional with {mock_type}"):
- inner_test(mock_type)
-
- def test_spec_as_normal_kw_AsyncMock(self):
- mock = AsyncMock(spec=normal_func)
- self.assertIsInstance(mock, AsyncMock)
- m = mock()
- self.assertTrue(inspect.isawaitable(m))
- run(m)
-
- def test_spec_as_normal_positional_AsyncMock(self):
- mock = AsyncMock(normal_func)
- self.assertIsInstance(mock, AsyncMock)
- m = mock()
- self.assertTrue(inspect.isawaitable(m))
- run(m)
-
- def test_spec_async_mock(self):
- @patch.object(AsyncClass, 'async_method', spec=True)
- def test_async(mock_method):
- self.assertIsInstance(mock_method, AsyncMock)
-
- test_async()
-
- def test_spec_parent_not_async_attribute_is(self):
- @patch(async_foo_name, spec=True)
- def test_async(mock_method):
- self.assertIsInstance(mock_method, MagicMock)
- self.assertIsInstance(mock_method.async_method, AsyncMock)
-
- test_async()
-
- def test_target_async_spec_not(self):
- @patch.object(AsyncClass, 'async_method', spec=NormalClass.a)
- def test_async_attribute(mock_method):
- self.assertIsInstance(mock_method, MagicMock)
- self.assertFalse(inspect.iscoroutine(mock_method))
- self.assertFalse(inspect.isawaitable(mock_method))
-
- test_async_attribute()
-
- def test_target_not_async_spec_is(self):
- @patch.object(NormalClass, 'a', spec=async_func)
- def test_attribute_not_async_spec_is(mock_async_func):
- self.assertIsInstance(mock_async_func, AsyncMock)
- test_attribute_not_async_spec_is()
-
- def test_spec_async_attributes(self):
- @patch(normal_foo_name, spec=AsyncClass)
- def test_async_attributes_coroutines(MockNormalClass):
- self.assertIsInstance(MockNormalClass.async_method, AsyncMock)
- self.assertIsInstance(MockNormalClass, MagicMock)
-
- test_async_attributes_coroutines()
-
-
-class AsyncSpecSetTest(unittest.TestCase):
- def test_is_AsyncMock_patch(self):
- @patch.object(AsyncClass, 'async_method', spec_set=True)
- def test_async(async_method):
- self.assertIsInstance(async_method, AsyncMock)
- test_async()
-
- def test_is_async_AsyncMock(self):
- mock = AsyncMock(spec_set=AsyncClass.async_method)
- self.assertTrue(iscoroutinefunction(mock))
- self.assertIsInstance(mock, AsyncMock)
-
- def test_is_child_AsyncMock(self):
- mock = MagicMock(spec_set=AsyncClass)
- self.assertTrue(iscoroutinefunction(mock.async_method))
- self.assertFalse(iscoroutinefunction(mock.normal_method))
- self.assertIsInstance(mock.async_method, AsyncMock)
- self.assertIsInstance(mock.normal_method, MagicMock)
- self.assertIsInstance(mock, MagicMock)
-
- def test_magicmock_lambda_spec(self):
- mock_obj = MagicMock()
- mock_obj.mock_func = MagicMock(spec=lambda x: x)
-
- with patch.object(mock_obj, "mock_func") as cm:
- self.assertIsInstance(cm, MagicMock)
-
-
-class AsyncArguments(IsolatedAsyncioTestCase):
- async def test_add_return_value(self):
- async def addition(self, var): pass
-
- mock = AsyncMock(addition, return_value=10)
- output = await mock(5)
-
- self.assertEqual(output, 10)
-
- async def test_add_side_effect_exception(self):
- async def addition(var): pass
- mock = AsyncMock(addition, side_effect=Exception('err'))
- with self.assertRaises(Exception):
- await mock(5)
-
- async def test_add_side_effect_coroutine(self):
- async def addition(var):
- return var + 1
- mock = AsyncMock(side_effect=addition)
- result = await mock(5)
- self.assertEqual(result, 6)
-
- async def test_add_side_effect_normal_function(self):
- def addition(var):
- return var + 1
- mock = AsyncMock(side_effect=addition)
- result = await mock(5)
- self.assertEqual(result, 6)
-
- async def test_add_side_effect_iterable(self):
- vals = [1, 2, 3]
- mock = AsyncMock(side_effect=vals)
- for item in vals:
- self.assertEqual(await mock(), item)
-
- with self.assertRaises(StopAsyncIteration) as e:
- await mock()
-
- async def test_add_side_effect_exception_iterable(self):
- class SampleException(Exception):
- pass
-
- vals = [1, SampleException("foo")]
- mock = AsyncMock(side_effect=vals)
- self.assertEqual(await mock(), 1)
-
- with self.assertRaises(SampleException) as e:
- await mock()
-
- async def test_return_value_AsyncMock(self):
- value = AsyncMock(return_value=10)
- mock = AsyncMock(return_value=value)
- result = await mock()
- self.assertIs(result, value)
-
- async def test_return_value_awaitable(self):
- fut = asyncio.Future()
- fut.set_result(None)
- mock = AsyncMock(return_value=fut)
- result = await mock()
- self.assertIsInstance(result, asyncio.Future)
-
- async def test_side_effect_awaitable_values(self):
- fut = asyncio.Future()
- fut.set_result(None)
-
- mock = AsyncMock(side_effect=[fut])
- result = await mock()
- self.assertIsInstance(result, asyncio.Future)
-
- with self.assertRaises(StopAsyncIteration):
- await mock()
-
- async def test_side_effect_is_AsyncMock(self):
- effect = AsyncMock(return_value=10)
- mock = AsyncMock(side_effect=effect)
-
- result = await mock()
- self.assertEqual(result, 10)
-
- async def test_wraps_coroutine(self):
- value = asyncio.Future()
-
- ran = False
- async def inner():
- nonlocal ran
- ran = True
- return value
-
- mock = AsyncMock(wraps=inner)
- result = await mock()
- self.assertEqual(result, value)
- mock.assert_awaited()
- self.assertTrue(ran)
-
- async def test_wraps_normal_function(self):
- value = 1
-
- ran = False
- def inner():
- nonlocal ran
- ran = True
- return value
-
- mock = AsyncMock(wraps=inner)
- result = await mock()
- self.assertEqual(result, value)
- mock.assert_awaited()
- self.assertTrue(ran)
-
- async def test_await_args_list_order(self):
- async_mock = AsyncMock()
- mock2 = async_mock(2)
- mock1 = async_mock(1)
- await mock1
- await mock2
- async_mock.assert_has_awaits([call(1), call(2)])
- self.assertEqual(async_mock.await_args_list, [call(1), call(2)])
- self.assertEqual(async_mock.call_args_list, [call(2), call(1)])
-
-
-class AsyncMagicMethods(unittest.TestCase):
- def test_async_magic_methods_return_async_mocks(self):
- m_mock = MagicMock()
- self.assertIsInstance(m_mock.__aenter__, AsyncMock)
- self.assertIsInstance(m_mock.__aexit__, AsyncMock)
- self.assertIsInstance(m_mock.__anext__, AsyncMock)
- # __aiter__ is actually a synchronous object
- # so should return a MagicMock
- self.assertIsInstance(m_mock.__aiter__, MagicMock)
-
- def test_sync_magic_methods_return_magic_mocks(self):
- a_mock = AsyncMock()
- self.assertIsInstance(a_mock.__enter__, MagicMock)
- self.assertIsInstance(a_mock.__exit__, MagicMock)
- self.assertIsInstance(a_mock.__next__, MagicMock)
- self.assertIsInstance(a_mock.__len__, MagicMock)
-
- def test_magicmock_has_async_magic_methods(self):
- m_mock = MagicMock()
- self.assertTrue(hasattr(m_mock, "__aenter__"))
- self.assertTrue(hasattr(m_mock, "__aexit__"))
- self.assertTrue(hasattr(m_mock, "__anext__"))
-
- def test_asyncmock_has_sync_magic_methods(self):
- a_mock = AsyncMock()
- self.assertTrue(hasattr(a_mock, "__enter__"))
- self.assertTrue(hasattr(a_mock, "__exit__"))
- self.assertTrue(hasattr(a_mock, "__next__"))
- self.assertTrue(hasattr(a_mock, "__len__"))
-
- def test_magic_methods_are_async_functions(self):
- m_mock = MagicMock()
- self.assertIsInstance(m_mock.__aenter__, AsyncMock)
- self.assertIsInstance(m_mock.__aexit__, AsyncMock)
- # AsyncMocks are also coroutine functions
- self.assertTrue(iscoroutinefunction(m_mock.__aenter__))
- self.assertTrue(iscoroutinefunction(m_mock.__aexit__))
-
-class AsyncContextManagerTest(unittest.TestCase):
-
- class WithAsyncContextManager:
- async def __aenter__(self, *args, **kwargs): pass
-
- async def __aexit__(self, *args, **kwargs): pass
-
- class WithSyncContextManager:
- def __enter__(self, *args, **kwargs): pass
-
- def __exit__(self, *args, **kwargs): pass
-
- class ProductionCode:
- # Example real-world(ish) code
- def __init__(self):
- self.session = None
-
- async def main(self):
- async with self.session.post('https://python.org') as response:
- val = await response.json()
- return val
-
- def test_set_return_value_of_aenter(self):
- def inner_test(mock_type):
- pc = self.ProductionCode()
- pc.session = MagicMock(name='sessionmock')
- cm = mock_type(name='magic_cm')
- response = AsyncMock(name='response')
- response.json = AsyncMock(return_value={'json': 123})
- cm.__aenter__.return_value = response
- pc.session.post.return_value = cm
- result = run(pc.main())
- self.assertEqual(result, {'json': 123})
-
- for mock_type in [AsyncMock, MagicMock]:
- with self.subTest(f"test set return value of aenter with {mock_type}"):
- inner_test(mock_type)
-
- def test_mock_supports_async_context_manager(self):
-
- def inner_test(mock_type):
- called = False
- cm = self.WithAsyncContextManager()
- cm_mock = mock_type(cm)
-
- async def use_context_manager():
- nonlocal called
- async with cm_mock as result:
- called = True
- return result
-
- cm_result = run(use_context_manager())
- self.assertTrue(called)
- self.assertTrue(cm_mock.__aenter__.called)
- self.assertTrue(cm_mock.__aexit__.called)
- cm_mock.__aenter__.assert_awaited()
- cm_mock.__aexit__.assert_awaited()
- # We mock __aenter__ so it does not return self
- self.assertIsNot(cm_mock, cm_result)
-
- for mock_type in [AsyncMock, MagicMock]:
- with self.subTest(f"test context manager magics with {mock_type}"):
- inner_test(mock_type)
-
- def test_mock_customize_async_context_manager(self):
- instance = self.WithAsyncContextManager()
- mock_instance = MagicMock(instance)
-
- expected_result = object()
- mock_instance.__aenter__.return_value = expected_result
-
- async def use_context_manager():
- async with mock_instance as result:
- return result
-
- self.assertIs(run(use_context_manager()), expected_result)
-
- def test_mock_customize_async_context_manager_with_coroutine(self):
- enter_called = False
- exit_called = False
-
- async def enter_coroutine(*args):
- nonlocal enter_called
- enter_called = True
-
- async def exit_coroutine(*args):
- nonlocal exit_called
- exit_called = True
-
- instance = self.WithAsyncContextManager()
- mock_instance = MagicMock(instance)
-
- mock_instance.__aenter__ = enter_coroutine
- mock_instance.__aexit__ = exit_coroutine
-
- async def use_context_manager():
- async with mock_instance:
- pass
-
- run(use_context_manager())
- self.assertTrue(enter_called)
- self.assertTrue(exit_called)
-
- def test_context_manager_raise_exception_by_default(self):
- async def raise_in(context_manager):
- async with context_manager:
- raise TypeError()
-
- instance = self.WithAsyncContextManager()
- mock_instance = MagicMock(instance)
- with self.assertRaises(TypeError):
- run(raise_in(mock_instance))
-
-
-class AsyncIteratorTest(unittest.TestCase):
- class WithAsyncIterator(object):
- def __init__(self):
- self.items = ["foo", "NormalFoo", "baz"]
-
- def __aiter__(self): pass
-
- async def __anext__(self): pass
-
- def test_aiter_set_return_value(self):
- mock_iter = AsyncMock(name="tester")
- mock_iter.__aiter__.return_value = [1, 2, 3]
- async def main():
- return [i async for i in mock_iter]
- result = run(main())
- self.assertEqual(result, [1, 2, 3])
-
- def test_mock_aiter_and_anext_asyncmock(self):
- def inner_test(mock_type):
- instance = self.WithAsyncIterator()
- mock_instance = mock_type(instance)
- # Check that the mock and the real thing bahave the same
- # __aiter__ is not actually async, so not a coroutinefunction
- self.assertFalse(iscoroutinefunction(instance.__aiter__))
- self.assertFalse(iscoroutinefunction(mock_instance.__aiter__))
- # __anext__ is async
- self.assertTrue(iscoroutinefunction(instance.__anext__))
- self.assertTrue(iscoroutinefunction(mock_instance.__anext__))
-
- for mock_type in [AsyncMock, MagicMock]:
- with self.subTest(f"test aiter and anext corourtine with {mock_type}"):
- inner_test(mock_type)
-
-
- def test_mock_async_for(self):
- async def iterate(iterator):
- accumulator = []
- async for item in iterator:
- accumulator.append(item)
-
- return accumulator
-
- expected = ["FOO", "BAR", "BAZ"]
- def test_default(mock_type):
- mock_instance = mock_type(self.WithAsyncIterator())
- self.assertEqual(run(iterate(mock_instance)), [])
-
-
- def test_set_return_value(mock_type):
- mock_instance = mock_type(self.WithAsyncIterator())
- mock_instance.__aiter__.return_value = expected[:]
- self.assertEqual(run(iterate(mock_instance)), expected)
-
- def test_set_return_value_iter(mock_type):
- mock_instance = mock_type(self.WithAsyncIterator())
- mock_instance.__aiter__.return_value = iter(expected[:])
- self.assertEqual(run(iterate(mock_instance)), expected)
-
- for mock_type in [AsyncMock, MagicMock]:
- with self.subTest(f"default value with {mock_type}"):
- test_default(mock_type)
-
- with self.subTest(f"set return_value with {mock_type}"):
- test_set_return_value(mock_type)
-
- with self.subTest(f"set return_value iterator with {mock_type}"):
- test_set_return_value_iter(mock_type)
-
-
-class AsyncMockAssert(unittest.TestCase):
- def setUp(self):
- self.mock = AsyncMock()
-
- async def _runnable_test(self, *args, **kwargs):
- await self.mock(*args, **kwargs)
-
- async def _await_coroutine(self, coroutine):
- return await coroutine
-
- def test_assert_called_but_not_awaited(self):
- mock = AsyncMock(AsyncClass)
- with assertNeverAwaited(self):
- mock.async_method()
- self.assertTrue(iscoroutinefunction(mock.async_method))
- mock.async_method.assert_called()
- mock.async_method.assert_called_once()
- mock.async_method.assert_called_once_with()
- with self.assertRaises(AssertionError):
- mock.assert_awaited()
- with self.assertRaises(AssertionError):
- mock.async_method.assert_awaited()
-
- def test_assert_called_then_awaited(self):
- mock = AsyncMock(AsyncClass)
- mock_coroutine = mock.async_method()
- mock.async_method.assert_called()
- mock.async_method.assert_called_once()
- mock.async_method.assert_called_once_with()
- with self.assertRaises(AssertionError):
- mock.async_method.assert_awaited()
-
- run(self._await_coroutine(mock_coroutine))
- # Assert we haven't re-called the function
- mock.async_method.assert_called_once()
- mock.async_method.assert_awaited()
- mock.async_method.assert_awaited_once()
- mock.async_method.assert_awaited_once_with()
-
- def test_assert_called_and_awaited_at_same_time(self):
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited()
-
- with self.assertRaises(AssertionError):
- self.mock.assert_called()
-
- run(self._runnable_test())
- self.mock.assert_called_once()
- self.mock.assert_awaited_once()
-
- def test_assert_called_twice_and_awaited_once(self):
- mock = AsyncMock(AsyncClass)
- coroutine = mock.async_method()
- # The first call will be awaited so no warning there
- # But this call will never get awaited, so it will warn here
- with assertNeverAwaited(self):
- mock.async_method()
- with self.assertRaises(AssertionError):
- mock.async_method.assert_awaited()
- mock.async_method.assert_called()
- run(self._await_coroutine(coroutine))
- mock.async_method.assert_awaited()
- mock.async_method.assert_awaited_once()
-
- def test_assert_called_once_and_awaited_twice(self):
- mock = AsyncMock(AsyncClass)
- coroutine = mock.async_method()
- mock.async_method.assert_called_once()
- run(self._await_coroutine(coroutine))
- with self.assertRaises(RuntimeError):
- # Cannot reuse already awaited coroutine
- run(self._await_coroutine(coroutine))
- mock.async_method.assert_awaited()
-
- def test_assert_awaited_but_not_called(self):
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited()
- with self.assertRaises(AssertionError):
- self.mock.assert_called()
- with self.assertRaises(TypeError):
- # You cannot await an AsyncMock, it must be a coroutine
- run(self._await_coroutine(self.mock))
-
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited()
- with self.assertRaises(AssertionError):
- self.mock.assert_called()
-
- def test_assert_has_calls_not_awaits(self):
- kalls = [call('foo')]
- with assertNeverAwaited(self):
- self.mock('foo')
- self.mock.assert_has_calls(kalls)
- with self.assertRaises(AssertionError):
- self.mock.assert_has_awaits(kalls)
-
- def test_assert_has_mock_calls_on_async_mock_no_spec(self):
- with assertNeverAwaited(self):
- self.mock()
- kalls_empty = [('', (), {})]
- self.assertEqual(self.mock.mock_calls, kalls_empty)
-
- with assertNeverAwaited(self):
- self.mock('foo')
- with assertNeverAwaited(self):
- self.mock('baz')
- mock_kalls = ([call(), call('foo'), call('baz')])
- self.assertEqual(self.mock.mock_calls, mock_kalls)
-
- def test_assert_has_mock_calls_on_async_mock_with_spec(self):
- a_class_mock = AsyncMock(AsyncClass)
- with assertNeverAwaited(self):
- a_class_mock.async_method()
- kalls_empty = [('', (), {})]
- self.assertEqual(a_class_mock.async_method.mock_calls, kalls_empty)
- self.assertEqual(a_class_mock.mock_calls, [call.async_method()])
-
- with assertNeverAwaited(self):
- a_class_mock.async_method(1, 2, 3, a=4, b=5)
- method_kalls = [call(), call(1, 2, 3, a=4, b=5)]
- mock_kalls = [call.async_method(), call.async_method(1, 2, 3, a=4, b=5)]
- self.assertEqual(a_class_mock.async_method.mock_calls, method_kalls)
- self.assertEqual(a_class_mock.mock_calls, mock_kalls)
-
- def test_async_method_calls_recorded(self):
- with assertNeverAwaited(self):
- self.mock.something(3, fish=None)
- with assertNeverAwaited(self):
- self.mock.something_else.something(6, cake=sentinel.Cake)
-
- self.assertEqual(self.mock.method_calls, [
- ("something", (3,), {'fish': None}),
- ("something_else.something", (6,), {'cake': sentinel.Cake})
- ],
- "method calls not recorded correctly")
- self.assertEqual(self.mock.something_else.method_calls,
- [("something", (6,), {'cake': sentinel.Cake})],
- "method calls not recorded correctly")
-
- def test_async_arg_lists(self):
- def assert_attrs(mock):
- names = ('call_args_list', 'method_calls', 'mock_calls')
- for name in names:
- attr = getattr(mock, name)
- self.assertIsInstance(attr, _CallList)
- self.assertIsInstance(attr, list)
- self.assertEqual(attr, [])
-
- assert_attrs(self.mock)
- with assertNeverAwaited(self):
- self.mock()
- with assertNeverAwaited(self):
- self.mock(1, 2)
- with assertNeverAwaited(self):
- self.mock(a=3)
-
- self.mock.reset_mock()
- assert_attrs(self.mock)
-
- a_mock = AsyncMock(AsyncClass)
- with assertNeverAwaited(self):
- a_mock.async_method()
- with assertNeverAwaited(self):
- a_mock.async_method(1, a=3)
-
- a_mock.reset_mock()
- assert_attrs(a_mock)
-
- def test_assert_awaited(self):
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited()
-
- run(self._runnable_test())
- self.mock.assert_awaited()
-
- def test_assert_awaited_once(self):
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited_once()
-
- run(self._runnable_test())
- self.mock.assert_awaited_once()
-
- run(self._runnable_test())
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited_once()
-
- def test_assert_awaited_with(self):
- msg = 'Not awaited'
- with self.assertRaisesRegex(AssertionError, msg):
- self.mock.assert_awaited_with('foo')
-
- run(self._runnable_test())
- msg = 'expected await not found'
- with self.assertRaisesRegex(AssertionError, msg):
- self.mock.assert_awaited_with('foo')
-
- run(self._runnable_test('foo'))
- self.mock.assert_awaited_with('foo')
-
- run(self._runnable_test('SomethingElse'))
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited_with('foo')
-
- def test_assert_awaited_once_with(self):
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited_once_with('foo')
-
- run(self._runnable_test('foo'))
- self.mock.assert_awaited_once_with('foo')
-
- run(self._runnable_test('foo'))
- with self.assertRaises(AssertionError):
- self.mock.assert_awaited_once_with('foo')
-
- def test_assert_any_wait(self):
- with self.assertRaises(AssertionError):
- self.mock.assert_any_await('foo')
-
- run(self._runnable_test('baz'))
- with self.assertRaises(AssertionError):
- self.mock.assert_any_await('foo')
-
- run(self._runnable_test('foo'))
- self.mock.assert_any_await('foo')
-
- run(self._runnable_test('SomethingElse'))
- self.mock.assert_any_await('foo')
-
- def test_assert_has_awaits_no_order(self):
- calls = [call('foo'), call('baz')]
-
- with self.assertRaises(AssertionError) as cm:
- self.mock.assert_has_awaits(calls)
- self.assertEqual(len(cm.exception.args), 1)
-
- run(self._runnable_test('foo'))
- with self.assertRaises(AssertionError):
- self.mock.assert_has_awaits(calls)
-
- run(self._runnable_test('foo'))
- with self.assertRaises(AssertionError):
- self.mock.assert_has_awaits(calls)
-
- run(self._runnable_test('baz'))
- self.mock.assert_has_awaits(calls)
-
- run(self._runnable_test('SomethingElse'))
- self.mock.assert_has_awaits(calls)
-
- def test_awaits_asserts_with_any(self):
- class Foo:
- def __eq__(self, other): pass
-
- run(self._runnable_test(Foo(), 1))
-
- self.mock.assert_has_awaits([call(ANY, 1)])
- self.mock.assert_awaited_with(ANY, 1)
- self.mock.assert_any_await(ANY, 1)
-
- def test_awaits_asserts_with_spec_and_any(self):
- class Foo:
- def __eq__(self, other): pass
-
- mock_with_spec = AsyncMock(spec=Foo)
-
- async def _custom_mock_runnable_test(*args):
- await mock_with_spec(*args)
-
- run(_custom_mock_runnable_test(Foo(), 1))
- mock_with_spec.assert_has_awaits([call(ANY, 1)])
- mock_with_spec.assert_awaited_with(ANY, 1)
- mock_with_spec.assert_any_await(ANY, 1)
-
- def test_assert_has_awaits_ordered(self):
- calls = [call('foo'), call('baz')]
- with self.assertRaises(AssertionError):
- self.mock.assert_has_awaits(calls, any_order=True)
-
- run(self._runnable_test('baz'))
- with self.assertRaises(AssertionError):
- self.mock.assert_has_awaits(calls, any_order=True)
-
- run(self._runnable_test('bamf'))
- with self.assertRaises(AssertionError):
- self.mock.assert_has_awaits(calls, any_order=True)
-
- run(self._runnable_test('foo'))
- self.mock.assert_has_awaits(calls, any_order=True)
-
- run(self._runnable_test('qux'))
- self.mock.assert_has_awaits(calls, any_order=True)
-
- def test_assert_not_awaited(self):
- self.mock.assert_not_awaited()
-
- run(self._runnable_test())
- with self.assertRaises(AssertionError):
- self.mock.assert_not_awaited()
-
- def test_assert_has_awaits_not_matching_spec_error(self):
- async def f(x=None): pass
-
- self.mock = AsyncMock(spec=f)
- run(self._runnable_test(1))
-
- with self.assertRaisesRegex(
- AssertionError,
- '^{}$'.format(
- re.escape('Awaits not found.\n'
- 'Expected: [call()]\n'
- 'Actual: [call(1)]'))) as cm:
- self.mock.assert_has_awaits([call()])
- self.assertIsNone(cm.exception.__cause__)
-
- with self.assertRaisesRegex(
- AssertionError,
- '^{}$'.format(
- re.escape(
- 'Error processing expected awaits.\n'
- "Errors: [None, TypeError('too many positional "
- "arguments')]\n"
- 'Expected: [call(), call(1, 2)]\n'
- 'Actual: [call(1)]').replace(
- "arguments\\'", "arguments\\',?")
- )) as cm:
- self.mock.assert_has_awaits([call(), call(1, 2)])
- self.assertIsInstance(cm.exception.__cause__, TypeError)