def test_it_forces_updates_when_configured(self):
john = TestPerson.objects.create(first_name='John', last_name='Smith')
sut = UpdateModelAction(TestPerson, ['first_name'],
{'first_name': 'John', 'last_name': 'Jackson'},
True)
sut.execute()
john.refresh_from_db()
self.assertEquals('Jackson', john.last_name)
def test_it_updates_model_with_new_values(self):
john = TestPerson.objects.create(first_name='John')
self.assertEqual('', john.last_name)
sut = UpdateModelAction(TestPerson, ['first_name'],
{'first_name': 'John', 'last_name': 'Smith'})
sut.execute()
john.refresh_from_db()
self.assertEquals('Smith', john.last_name)
def test_including_extra_parameters_has_no_effect(self):
john = TestPerson.objects.create(first_name='John')
sut = UpdateModelAction(
TestPerson,
['first_name'],
{'first_name': 'John',
'totally_never_going_to_be_a_field': 'Smith'})
result = sut.execute()
self.assertEquals(john, result)
def test_it_returns_nothing_if_object_does_not_exist(self):
sut = UpdateModelAction(TestPerson, ['first_name'],
{'first_name': 'John', 'last_name': 'Smith'})
result = sut.execute()
self.assertIsNone(result)
def test_it_returns_the_object_even_if_nothing_updated(self):
john = TestPerson.objects.create(first_name='John')
sut = UpdateModelAction(TestPerson, ['first_name'],
{'first_name': 'John'})
result = sut.execute()
self.assertEquals(john, result)