Mock.assert_called_once
- Mock.assert_called_once()
Assert that the mock was called only once.
© Python Software Foundation. PSF License Version 2 · Official docs ↗
1 Example
>>> mock = Mock() >>> mock.method() <Mock name='mock.method()' id='...'> >>> mock.method.assert_called_once() >>> mock.method() <Mock name='mock.method()' id='...'> >>> mock.method.assert_called_once() Traceback (most recent call last): ... AssertionError: Expected 'method' to have been called once. Called 2 times. Calls: [call(), call()].
from the Python docs