Mock + PyQt4 + unittest Examples

gistfile1.py

import mock

# Example of patching QErrorMessage. Check that an error message is shown.
@mock.patch("PyQt4.QtGui.QErrorMessage", autospec=True)
def test_onSessionCreateFailed(self, MockErrorMessage):
    self.widget.onSessionCreateFailed(ValueError("This is a test"))
    self.assertTrue(MockErrorMessage.return_value.showMessage.called)

# example of mocking a method
dummyServer.getAllActiveJobs = mock.Mock(return_value=TEST_JOBS)

# example 2 of mocking a method
@mock.patch.object(QtGui.QDialog, "show")
def test_show(self, mockedMethod):
    self.assertFalse(mockedMethod.called)
    self.dialog.show()