def test_known_transition_should_succeed(self):
self.assertTrue(can_proceed(self.model.publish))
self.model.publish()
self.assertEqual(self.model.state, 'published')
self.assertTrue(can_proceed(self.model.hide))
self.model.hide()
self.assertEqual(self.model.state, 'hidden')
def test_star_shortcut_succeed(self):
self.assertTrue(can_proceed(self.model.moderate))
self.model.moderate()
self.assertEqual(self.model.state, 'moderated')
def test_state_non_changed_after_fail(self):
self.assertTrue(can_proceed(self.model.remove))
self.assertRaises(Exception, self.model.remove)
self.assertEqual(self.model.state, 'new')
def test_unknow_transition_fails(self):
self.assertFalse(can_proceed(self.model.hide))
self.assertRaises(TransitionNotAllowed, self.model.hide)
def test_unmet_condition(self):
self.model.publish()
self.assertEqual(self.model.state, 'published')
self.assertFalse(can_proceed(self.model.destroy))
self.assertFalse(self.model.destroy())