def test_error_is_logged_if_field_not_on_object(self):
house = TestHouse.objects.create(address='Bottom of the hill')
fields = {'address': 'Bottom of the hill', 'buyer=>last_name': 'Jones'}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house)
for msg in self.logger_messages['warning']:
self.assertIn('buyer', msg)
def test_update_from_fields_updates_related_fields(self):
person = TestPerson.objects.create(first_name="Jill",
last_name="Jones")
house = TestHouse.objects.create(address='Bottom of the hill')
fields = {'address': 'Bottom of the hill', 'owner=>first_name': 'Jill'}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house)
self.assertEqual(person, house.owner)
def test_update_from_uses_none_if_field_is_nullable_and_value_is_empty_string(self):
house = TestHouse.objects.create(address='Bottom of the hill')
fields = {'address': 'Bottom of the hill', 'built': ''}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house)
house.save()
house.refresh_from_db()
self.assertEqual(house.built, None)
def test_it_adds_elements_to_many_to_many_with_plus_referred_to_delimiter(self):
bob = TestBuilder.objects.create(first_name="Bob", last_name="The Builder")
house = TestHouse.objects.create(address='Bottom of the hill')
fields = {
'first_name': 'Bob',
'buildings=>+address': 'Bottom of the hill',
}
sut = ModelAction(TestBuilder, ['first_name'], fields)
sut.update_from_fields(bob, True)
self.assertIn(house, bob.buildings.all())
def test_related_fields_not_touched_if_referred_to_object_does_not_exist(
self):
house = TestHouse.objects.create(address='Bottom of the hill')
fields = {'address': 'Bottom of the hill', 'owner=>last_name': 'Jones'}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house)
self.assertEqual(None, house.owner)
for msg in self.logger_messages['warning']:
self.assertIn('Could not find TestPerson', msg)
self.assertIn(str({'last_name': 'Jones'}), msg)
def test_it_logs_an_error_if_action_type_for_many_to_many_referred_fields_is_unknown(self):
bob = TestBuilder.objects.create(first_name="Bob", last_name="The Builder")
fields = {
'first_name': 'Bob',
'buildings=>*address': 'Bottom of the hill',
}
sut = ModelAction(TestBuilder, ['first_name'], fields)
sut.update_from_fields(bob, True)
for msg in self.logger_messages['warning']:
self.assertIn('Unknown action type', msg)
def test_related_fields_update_does_update_if_forced(self):
jill = TestPerson.objects.create(first_name="Jill", last_name="Jones")
jack = TestPerson.objects.create(first_name="Jack", last_name="Jones")
house = TestHouse.objects.create(address='Bottom of the hill',
owner=jill)
fields = {
'address': 'Bottom of the hill',
'owner=>first_name': 'Jack',
'owner=>last_name': 'Jones'}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house, True)
self.assertEqual(jack, house.owner)
def test_related_fields_are_not_touched_if_referred_to_object_ambiguous(
self):
TestPerson.objects.create(first_name="Jill", last_name="Jones")
TestPerson.objects.create(first_name="Jack", last_name="Jones")
house = TestHouse.objects.create(address='Bottom of the hill')
fields = {'address': 'Bottom of the hill', 'owner=>last_name': 'Jones'}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house)
self.assertEqual(None, house.owner)
for msg in self.logger_messages['warning']:
self.assertIn('Found multiple TestPerson objects', msg)
self.assertIn(str({'last_name': 'Jones'}), msg)
def test_it_replaces_all_elements_in_many_to_many_with_equals_referred_to_delimiter(self):
house1 = TestHouse.objects.create(address='Bottom of the hill')
house2 = TestHouse.objects.create(address='Top of the hill')
bob = TestBuilder.objects.create(first_name="Bob", last_name="The Builder")
bob.buildings.add(house1)
bob.save()
fields = {
'first_name': 'Bob',
'buildings=>=address': 'Top of the hill',
}
sut = ModelAction(TestBuilder, ['first_name'], fields)
sut.update_from_fields(bob, True)
self.assertNotIn(house1, bob.buildings.all())
self.assertIn(house2, bob.buildings.all())
def test_related_fields_update_uses_all_available_filters(self):
person = TestPerson.objects.create(first_name="John",
last_name="Johnson")
TestPerson.objects.create(first_name="Jack", last_name="Johnson")
TestPerson.objects.create(first_name="John", last_name="Jackson")
TestPerson.objects.create(first_name="Jack", last_name="Jackson")
house = TestHouse.objects.create(address='Bottom of the hill')
fields = {
'address': 'Bottom of the hill',
'owner=>first_name': 'John',
'owner=>last_name': 'Johnson'}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house)
self.assertEqual(person, house.owner)
def test_it_uses_all_related_fields_to_find_targets_for_many_to_many_fields(self):
house1 = TestHouse.objects.create(address='Bottom of the hill', country='Australia')
house2 = TestHouse.objects.create(address='Bottom of the hill', country='Belgium')
bob = TestBuilder.objects.create(first_name="Bob", last_name="The Builder")
bob.buildings.add(house1)
bob.save()
fields = {
'first_name': 'Bob',
'buildings=>=address': 'Bottom of the hill',
'buildings=>=country': 'Belgium',
}
sut = ModelAction(TestBuilder, ['first_name'], fields)
sut.update_from_fields(bob, True)
self.assertNotIn(house1, bob.buildings.all())
self.assertIn(house2, bob.buildings.all())
def test_related_fields_update_does_not_use_filters_with_values_as_empty_strings(self):
"""
This effectively prevents over-specification, and allows files
to be constructed with "or" style relations
"""
jill = TestPerson.objects.create(first_name="Jill", last_name="Hill")
jack = TestPerson.objects.create(first_name="Jack", last_name="Shack")
house = TestHouse.objects.create(address='Bottom of the hill')
fields = {
'address': 'Bottom of the hill',
'owner=>first_name': '',
'owner=>last_name': 'Shack'}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house, True)
self.assertEqual(jack, house.owner)
fields = {
'address': 'Bottom of the hill',
'owner=>first_name': 'Jill',
'owner=>last_name': ''}
sut = ModelAction(TestHouse, ['address'], fields)
sut.update_from_fields(house, True)
self.assertEqual(jill, house.owner)
def test_it_creates_a_base_model_action_if_no_action_flags_are_included(
self, ModelAction):
result = self.sut.build(SyncActions(), ['field'], None, {'field': ''})
ModelAction.assert_called_with(self.model, ['field'], {'field': ''})
self.assertIn(ModelAction.return_value, result)
