def test_remove_callback():
stub = Stub()
test = MagicMock()
add_callback(stub, 'prop1', test)
remove_callback(stub, 'prop1', test)
stub.prop1 = 5
assert test.call_count == 0
def test_remove_callback():
stub = Stub()
test = MagicMock()
add_callback(stub, 'prop1', test)
remove_callback(stub, 'prop1', test)
stub.prop1 = 5
assert test.call_count == 0
def test_remove_callback_wrong_function():
stub = Stub()
test = MagicMock()
test2 = MagicMock()
add_callback(stub, 'prop1', test)
with pytest.raises(ValueError) as exc:
remove_callback(stub, 'prop1', test2)
assert exc.value.args[0].startswith('Callback function not found')
def test_remove_callback_wrong_function():
stub = Stub()
test = MagicMock()
test2 = MagicMock()
add_callback(stub, 'prop1', test)
with pytest.raises(ValueError) as exc:
remove_callback(stub, 'prop1', test2)
assert exc.value.args[0].startswith('Callback function not found')
def test_remove_callback_attribute_error_on_bad_name():
stub = Stub()
with pytest.raises(AttributeError):
remove_callback(stub, 'bad_property', None)
def test_remove_callback_not_found():
stub = Stub()
with pytest.raises(ValueError) as exc:
remove_callback(stub, 'prop1', None)
assert exc.value.args[0] == "Callback function not found: None"
def test_remove_non_callback_property():
stub = Stub()
with pytest.raises(TypeError) as exc:
remove_callback(stub, 'prop3', None)
assert exc.value.args[0] == 'prop3 is not a CallbackProperty'
def test_remove_callback_attribute_error_on_bad_name():
stub = Stub()
with pytest.raises(AttributeError):
remove_callback(stub, 'bad_property', None)
def test_remove_callback_not_found():
stub = Stub()
with pytest.raises(ValueError) as exc:
remove_callback(stub, 'prop1', None)
assert exc.value.args[0] == "Callback function not found: None"
def test_remove_non_callback_property():
stub = Stub()
with pytest.raises(TypeError) as exc:
remove_callback(stub, 'prop3', None)
assert exc.value.args[0] == 'prop3 is not a CallbackProperty'