def test_restores_original_value(self):
original_value = doubles.testing.User
patch_class('doubles.testing.User')
teardown()
assert original_value == doubles.testing.User
def test_restores_original_value(self):
original_value = doubles.testing.User
patch_class('doubles.testing.User')
teardown()
assert original_value == doubles.testing.User
def test_using_the_patched_class(self):
allow_constructor(patch_class('doubles.testing.User')).and_return('result_1')
allow_constructor(patch_class('doubles.testing.OldStyleUser')).and_return('result_2')
result_1, result_2 = doubles.testing.top_level_function_that_creates_an_instance()
assert result_1 == 'result_1'
assert result_2 == 'result_2'
def test_using_the_patched_class(self):
allow_constructor(
patch_class('doubles.testing.User')).and_return('result_1')
allow_constructor(
patch_class('doubles.testing.OldStyleUser')).and_return('result_2')
result_1, result_2 = doubles.testing.top_level_function_that_creates_an_instance(
)
assert result_1 == 'result_1'
assert result_2 == 'result_2'
def gen_mock_service():
class_name = 'bootcamp.handlers.add_user.UserService'
mock_service = UserService()
service_class = patch_class(class_name)
allow_constructor(service_class).and_return(mock_service)
return mock_service
def gen_mock_service():
class_name = 'bootcamp.handlers.title.TitleService'
mock_service = TitleService()
service_class = patch_class(class_name)
allow_constructor(service_class).and_return(mock_service)
return mock_service
def test_class_double_after_patching(self):
patch_class('doubles.testing.User')
assert ClassDouble('doubles.testing.User')
def test_non_existent_class(self):
with pytest.raises(VerifyingDoubleImportError):
patch_class('doubles.testing.NotReal')
def test_raises_an_error_trying_to_patch_a_function(self):
with pytest.raises(VerifyingDoubleImportError):
patch_class('doubles.test.top_level_function')
def test_class_double_after_patching(self):
patch_class('doubles.testing.User')
assert ClassDouble('doubles.testing.User')
def test_non_existent_class(self):
with pytest.raises(VerifyingDoubleImportError):
patch_class('doubles.testing.NotReal')
def test_raises_an_error_trying_to_patch_a_function(self):
with pytest.raises(VerifyingDoubleImportError):
patch_class('doubles.test.top_level_function')