def mock_capture_process_output(*mock_commands):
''' Mocks calls to popen '''
mock_dict = {}
for it in mock_commands:
assert isinstance(it, MockCommand)
mock_dict[it.command] = it
def _mock(directory, command, stdin = None, _ = True):
assert directory is not None
executable = command[0]
if executable not in mock_dict:
return (0, '', '')
return mock_dict[executable].get_result(command[1:], stdin = stdin)
with unittest.mock.patch('nimp.system.capture_process_output') as mock:
with unittest.mock.patch('nimp.sys.platform.is_msys') as mock_is_msys:
mock_is_msys.return_value = False
mock.side_effect = _mock
yield mock
python类side_effect()的实例源码
def test_side_effect_iterator(self):
mock = Mock(side_effect=iter([1, 2, 3]))
self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
self.assertRaises(StopIteration, mock)
mock = MagicMock(side_effect=['a', 'b', 'c'])
self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
self.assertRaises(StopIteration, mock)
mock = Mock(side_effect='ghi')
self.assertEqual([mock(), mock(), mock()], ['g', 'h', 'i'])
self.assertRaises(StopIteration, mock)
class Foo(object):
pass
mock = MagicMock(side_effect=Foo)
self.assertIsInstance(mock(), Foo)
mock = Mock(side_effect=Iter())
self.assertEqual([mock(), mock(), mock(), mock()],
['this', 'is', 'an', 'iter'])
self.assertRaises(StopIteration, mock)
def test_side_effect_setting_iterator(self):
mock = Mock()
mock.side_effect = iter([1, 2, 3])
self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
self.assertRaises(StopIteration, mock)
side_effect = mock.side_effect
self.assertIsInstance(side_effect, type(iter([])))
mock.side_effect = ['a', 'b', 'c']
self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
self.assertRaises(StopIteration, mock)
side_effect = mock.side_effect
self.assertIsInstance(side_effect, type(iter([])))
this_iter = Iter()
mock.side_effect = this_iter
self.assertEqual([mock(), mock(), mock(), mock()],
['this', 'is', 'an', 'iter'])
self.assertRaises(StopIteration, mock)
self.assertIs(mock.side_effect, this_iter)
def test_require_authentication_no_keystone(
mocked_authenticator, configure_model, sudo_client_v1,
sudo_user_with_external_id, app):
now, expired = make_now_expired()
endpoint = "/" + pytest.faux.gen_alphanumeric()
mocked_authenticator.client.tokens.get_token_data.side_effect = \
keystoneauth1.exceptions.ClientException
@app.route(endpoint)
@mocked_authenticator.require_authentication
def testing_endpoint():
assert int(flask.g.token.expires_at.timestamp()) == int(
calendar.timegm(expired.timetuple()))
assert flask.g.token.user_id == sudo_user_with_external_id.model_id
return flask.jsonify(value=1)
response = sudo_client_v1.get(endpoint)
assert response.status_code == 401
mock = mocked_authenticator.client.tokens.get_token_data
mock.assert_called_once_with(sudo_client_v1.auth_token)
def test_autospec_side_effect(self):
# Test for issue17826
results = [1, 2, 3]
def effect():
return results.pop()
def f():
pass
mock = create_autospec(f)
mock.side_effect = [1, 2, 3]
self.assertEqual([mock(), mock(), mock()], [1, 2, 3],
"side effect not used correctly in create_autospec")
# Test where side effect is a callable
results = [1, 2, 3]
mock = create_autospec(f)
mock.side_effect = effect
self.assertEqual([mock(), mock(), mock()], [3, 2, 1],
"callable side effect not used correctly")
def test_configure_mock(self):
mock = Mock(foo='bar')
self.assertEqual(mock.foo, 'bar')
mock = MagicMock(foo='bar')
self.assertEqual(mock.foo, 'bar')
kwargs = {'side_effect': KeyError, 'foo.bar.return_value': 33,
'foo': MagicMock()}
mock = Mock(**kwargs)
self.assertRaises(KeyError, mock)
self.assertEqual(mock.foo.bar(), 33)
self.assertIsInstance(mock.foo, MagicMock)
mock = Mock()
mock.configure_mock(**kwargs)
self.assertRaises(KeyError, mock)
self.assertEqual(mock.foo.bar(), 33)
self.assertIsInstance(mock.foo, MagicMock)
def test_side_effect_iterator(self):
mock = Mock(side_effect=iter([1, 2, 3]))
self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
self.assertRaises(StopIteration, mock)
mock = MagicMock(side_effect=['a', 'b', 'c'])
self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
self.assertRaises(StopIteration, mock)
mock = Mock(side_effect='ghi')
self.assertEqual([mock(), mock(), mock()], ['g', 'h', 'i'])
self.assertRaises(StopIteration, mock)
class Foo(object):
pass
mock = MagicMock(side_effect=Foo)
self.assertIsInstance(mock(), Foo)
mock = Mock(side_effect=Iter())
self.assertEqual([mock(), mock(), mock(), mock()],
['this', 'is', 'an', 'iter'])
self.assertRaises(StopIteration, mock)
def test_side_effect_setting_iterator(self):
mock = Mock()
mock.side_effect = iter([1, 2, 3])
self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
self.assertRaises(StopIteration, mock)
side_effect = mock.side_effect
self.assertIsInstance(side_effect, type(iter([])))
mock.side_effect = ['a', 'b', 'c']
self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
self.assertRaises(StopIteration, mock)
side_effect = mock.side_effect
self.assertIsInstance(side_effect, type(iter([])))
this_iter = Iter()
mock.side_effect = this_iter
self.assertEqual([mock(), mock(), mock(), mock()],
['this', 'is', 'an', 'iter'])
self.assertRaises(StopIteration, mock)
self.assertIs(mock.side_effect, this_iter)
def test_autospec_side_effect(self):
# Test for issue17826
results = [1, 2, 3]
def effect():
return results.pop()
def f():
pass
mock = create_autospec(f)
mock.side_effect = [1, 2, 3]
self.assertEqual([mock(), mock(), mock()], [1, 2, 3],
"side effect not used correctly in create_autospec")
# Test where side effect is a callable
results = [1, 2, 3]
mock = create_autospec(f)
mock.side_effect = effect
self.assertEqual([mock(), mock(), mock()], [3, 2, 1],
"callable side effect not used correctly")
def test_configure_mock(self):
mock = Mock(foo='bar')
self.assertEqual(mock.foo, 'bar')
mock = MagicMock(foo='bar')
self.assertEqual(mock.foo, 'bar')
kwargs = {'side_effect': KeyError, 'foo.bar.return_value': 33,
'foo': MagicMock()}
mock = Mock(**kwargs)
self.assertRaises(KeyError, mock)
self.assertEqual(mock.foo.bar(), 33)
self.assertIsInstance(mock.foo, MagicMock)
mock = Mock()
mock.configure_mock(**kwargs)
self.assertRaises(KeyError, mock)
self.assertEqual(mock.foo.bar(), 33)
self.assertIsInstance(mock.foo, MagicMock)
def test_side_effect_iterator(self):
mock = Mock(side_effect=iter([1, 2, 3]))
self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
self.assertRaises(StopIteration, mock)
mock = MagicMock(side_effect=['a', 'b', 'c'])
self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
self.assertRaises(StopIteration, mock)
mock = Mock(side_effect='ghi')
self.assertEqual([mock(), mock(), mock()], ['g', 'h', 'i'])
self.assertRaises(StopIteration, mock)
class Foo(object):
pass
mock = MagicMock(side_effect=Foo)
self.assertIsInstance(mock(), Foo)
mock = Mock(side_effect=Iter())
self.assertEqual([mock(), mock(), mock(), mock()],
['this', 'is', 'an', 'iter'])
self.assertRaises(StopIteration, mock)
def test_side_effect_setting_iterator(self):
mock = Mock()
mock.side_effect = iter([1, 2, 3])
self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
self.assertRaises(StopIteration, mock)
side_effect = mock.side_effect
self.assertIsInstance(side_effect, type(iter([])))
mock.side_effect = ['a', 'b', 'c']
self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
self.assertRaises(StopIteration, mock)
side_effect = mock.side_effect
self.assertIsInstance(side_effect, type(iter([])))
this_iter = Iter()
mock.side_effect = this_iter
self.assertEqual([mock(), mock(), mock(), mock()],
['this', 'is', 'an', 'iter'])
self.assertRaises(StopIteration, mock)
self.assertIs(mock.side_effect, this_iter)
def test_side_effect(self):
mock = Mock()
def effect(*args, **kwargs):
raise SystemError('kablooie')
mock.side_effect = effect
self.assertRaises(SystemError, mock, 1, 2, fish=3)
mock.assert_called_with(1, 2, fish=3)
results = [1, 2, 3]
def effect():
return results.pop()
mock.side_effect = effect
self.assertEqual([mock(), mock(), mock()], [3, 2, 1],
"side effect not used correctly")
mock = Mock(side_effect=sentinel.SideEffect)
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side effect in constructor not used")
def side_effect():
return DEFAULT
mock = Mock(side_effect=side_effect, return_value=sentinel.RETURN)
self.assertEqual(mock(), sentinel.RETURN)
def test_java_exception_side_effect(self):
import java
mock = Mock(side_effect=java.lang.RuntimeException("Boom!"))
# can't use assertRaises with java exceptions
try:
mock(1, 2, fish=3)
except java.lang.RuntimeException:
pass
else:
self.fail('java exception not raised')
mock.assert_called_with(1,2, fish=3)
def test_reset_mock(self):
parent = Mock()
spec = ["something"]
mock = Mock(name="child", parent=parent, spec=spec)
mock(sentinel.Something, something=sentinel.SomethingElse)
something = mock.something
mock.something()
mock.side_effect = sentinel.SideEffect
return_value = mock.return_value
return_value()
mock.reset_mock()
self.assertEqual(mock._mock_name, "child",
"name incorrectly reset")
self.assertEqual(mock._mock_parent, parent,
"parent incorrectly reset")
self.assertEqual(mock._mock_methods, spec,
"methods incorrectly reset")
self.assertFalse(mock.called, "called not reset")
self.assertEqual(mock.call_count, 0, "call_count not reset")
self.assertEqual(mock.call_args, None, "call_args not reset")
self.assertEqual(mock.call_args_list, [], "call_args_list not reset")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly: %r != %r" %
(mock.method_calls, []))
self.assertEqual(mock.mock_calls, [])
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side_effect incorrectly reset")
self.assertEqual(mock.return_value, return_value,
"return_value incorrectly reset")
self.assertFalse(return_value.called, "return value mock not reset")
self.assertEqual(mock._mock_children, {'something': something},
"children reset incorrectly")
self.assertEqual(mock.something, something,
"children incorrectly cleared")
self.assertFalse(mock.something.called, "child not reset")
def test_exceptional_side_effect(self):
mock = Mock(side_effect=AttributeError)
self.assertRaises(AttributeError, mock)
mock = Mock(side_effect=AttributeError('foo'))
self.assertRaises(AttributeError, mock)
def test_baseexceptional_side_effect(self):
mock = Mock(side_effect=KeyboardInterrupt)
self.assertRaises(KeyboardInterrupt, mock)
mock = Mock(side_effect=KeyboardInterrupt('foo'))
self.assertRaises(KeyboardInterrupt, mock)
def test_side_effect_iterator_exceptions(self):
for Klass in Mock, MagicMock:
iterable = (ValueError, 3, KeyError, 6)
m = Klass(side_effect=iterable)
self.assertRaises(ValueError, m)
self.assertEqual(m(), 3)
self.assertRaises(KeyError, m)
self.assertEqual(m(), 6)
def test_cannot_authenticate_no_user(mocked_authenticator, configure_model):
mock = mocked_authenticator.client.get_raw_token_from_identity_service
mock.side_effect = keystoneauth1.exceptions.ClientException
with pytest.raises(self_exceptions.Unauthorized):
mocked_authenticator.authenticate("user", "password")
def test_cannot_authenticate_have_user(mocked_authenticator, configure_model,
sudo_user):
mock = mocked_authenticator.client.get_raw_token_from_identity_service
mock.side_effect = keystoneauth1.exceptions.ClientException
with pytest.raises(self_exceptions.Unauthorized):
mocked_authenticator.authenticate("sudo", "sudo")
def test_side_effect(self):
mock = Mock()
def effect(*args, **kwargs):
raise SystemError('kablooie')
mock.side_effect = effect
self.assertRaises(SystemError, mock, 1, 2, fish=3)
mock.assert_called_with(1, 2, fish=3)
results = [1, 2, 3]
def effect():
return results.pop()
mock.side_effect = effect
self.assertEqual([mock(), mock(), mock()], [3, 2, 1],
"side effect not used correctly")
mock = Mock(side_effect=sentinel.SideEffect)
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side effect in constructor not used")
def side_effect():
return DEFAULT
mock = Mock(side_effect=side_effect, return_value=sentinel.RETURN)
self.assertEqual(mock(), sentinel.RETURN)
def test_java_exception_side_effect(self):
import java
mock = Mock(side_effect=java.lang.RuntimeException("Boom!"))
# can't use assertRaises with java exceptions
try:
mock(1, 2, fish=3)
except java.lang.RuntimeException:
pass
else:
self.fail('java exception not raised')
mock.assert_called_with(1,2, fish=3)
def test_reset_mock(self):
parent = Mock()
spec = ["something"]
mock = Mock(name="child", parent=parent, spec=spec)
mock(sentinel.Something, something=sentinel.SomethingElse)
something = mock.something
mock.something()
mock.side_effect = sentinel.SideEffect
return_value = mock.return_value
return_value()
mock.reset_mock()
self.assertEqual(mock._mock_name, "child",
"name incorrectly reset")
self.assertEqual(mock._mock_parent, parent,
"parent incorrectly reset")
self.assertEqual(mock._mock_methods, spec,
"methods incorrectly reset")
self.assertFalse(mock.called, "called not reset")
self.assertEqual(mock.call_count, 0, "call_count not reset")
self.assertEqual(mock.call_args, None, "call_args not reset")
self.assertEqual(mock.call_args_list, [], "call_args_list not reset")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly: %r != %r" %
(mock.method_calls, []))
self.assertEqual(mock.mock_calls, [])
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side_effect incorrectly reset")
self.assertEqual(mock.return_value, return_value,
"return_value incorrectly reset")
self.assertFalse(return_value.called, "return value mock not reset")
self.assertEqual(mock._mock_children, {'something': something},
"children reset incorrectly")
self.assertEqual(mock.something, something,
"children incorrectly cleared")
self.assertFalse(mock.something.called, "child not reset")
def test_exceptional_side_effect(self):
mock = Mock(side_effect=AttributeError)
self.assertRaises(AttributeError, mock)
mock = Mock(side_effect=AttributeError('foo'))
self.assertRaises(AttributeError, mock)
def test_side_effect_iterator_exceptions(self):
for Klass in Mock, MagicMock:
iterable = (ValueError, 3, KeyError, 6)
m = Klass(side_effect=iterable)
self.assertRaises(ValueError, m)
self.assertEqual(m(), 3)
self.assertRaises(KeyError, m)
self.assertEqual(m(), 6)
def test_side_effect_iterator_default(self):
mock = Mock(return_value=2)
mock.side_effect = iter([1, DEFAULT])
self.assertEqual([mock(), mock()], [1, 2])
def test_mock_open_alter_readline(self):
mopen = mock.mock_open(read_data='foo\nbarn')
mopen.return_value.readline.side_effect = lambda *args:'abc'
first = mopen().readline()
second = mopen().readline()
self.assertEqual('abc', first)
self.assertEqual('abc', second)
def test_side_effect(self):
mock = Mock()
def effect(*args, **kwargs):
raise SystemError('kablooie')
mock.side_effect = effect
self.assertRaises(SystemError, mock, 1, 2, fish=3)
mock.assert_called_with(1, 2, fish=3)
results = [1, 2, 3]
def effect():
return results.pop()
mock.side_effect = effect
self.assertEqual([mock(), mock(), mock()], [3, 2, 1],
"side effect not used correctly")
mock = Mock(side_effect=sentinel.SideEffect)
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side effect in constructor not used")
def side_effect():
return DEFAULT
mock = Mock(side_effect=side_effect, return_value=sentinel.RETURN)
self.assertEqual(mock(), sentinel.RETURN)
def test_java_exception_side_effect(self):
import java
mock = Mock(side_effect=java.lang.RuntimeException("Boom!"))
# can't use assertRaises with java exceptions
try:
mock(1, 2, fish=3)
except java.lang.RuntimeException:
pass
else:
self.fail('java exception not raised')
mock.assert_called_with(1,2, fish=3)
def test_reset_mock(self):
parent = Mock()
spec = ["something"]
mock = Mock(name="child", parent=parent, spec=spec)
mock(sentinel.Something, something=sentinel.SomethingElse)
something = mock.something
mock.something()
mock.side_effect = sentinel.SideEffect
return_value = mock.return_value
return_value()
mock.reset_mock()
self.assertEqual(mock._mock_name, "child",
"name incorrectly reset")
self.assertEqual(mock._mock_parent, parent,
"parent incorrectly reset")
self.assertEqual(mock._mock_methods, spec,
"methods incorrectly reset")
self.assertFalse(mock.called, "called not reset")
self.assertEqual(mock.call_count, 0, "call_count not reset")
self.assertEqual(mock.call_args, None, "call_args not reset")
self.assertEqual(mock.call_args_list, [], "call_args_list not reset")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly: %r != %r" %
(mock.method_calls, []))
self.assertEqual(mock.mock_calls, [])
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side_effect incorrectly reset")
self.assertEqual(mock.return_value, return_value,
"return_value incorrectly reset")
self.assertFalse(return_value.called, "return value mock not reset")
self.assertEqual(mock._mock_children, {'something': something},
"children reset incorrectly")
self.assertEqual(mock.something, something,
"children incorrectly cleared")
self.assertFalse(mock.something.called, "child not reset")
