def test_tracking_aggregate_on_add(test_domain): uow = UnitOfWork() uow.start() test_domain.repository_for(User).add(User(name="John Doe")) assert len(uow._seen) == 1
def test_session_is_destroyed_after_rollback(self, test_domain): uow = UnitOfWork() uow.start() uow.rollback() assert uow._sessions == {} assert uow.in_progress is False
def test_uow_can_be_initiated_explicitly(self, test_domain): uow = UnitOfWork() assert uow is not None assert uow.in_progress is False uow.start() assert uow.in_progress is True
def test_that_uow_can_be_started_manually(self, test_domain): uow = UnitOfWork() uow.start() uow.commit() # `commit` should not raise exception uow.start() uow.rollback() # `rollback` should not raise exception
def test_tracking_aggregate_on_filtering(test_domain): test_domain.repository_for(User).add(User(id=12, name="John Doe")) test_domain.repository_for(User).add(User(id=13, name="Jane Doe")) uow = UnitOfWork() uow.start() test_domain.repository_for(User)._dao.query.filter(name__contains="Doe").all() assert len(uow._seen) == 2 assert all(isinstance(item, User) for item in uow._seen)
def test_tracking_aggregate_on_get(test_domain): test_domain.repository_for(User).add(User(id=12, name="John Doe")) uow = UnitOfWork() uow.start() test_domain.repository_for(User).get(12) assert len(uow._seen) == 1 seen_item = next(iter(uow._seen)) assert isinstance(seen_item, User)
def test_tracking_aggregate_on_update(test_domain): test_domain.repository_for(User).add(User(id=12, name="John Doe")) user = test_domain.repository_for(User).get(12) uow = UnitOfWork() uow.start() user.name = "Name Changed" test_domain.repository_for(User).add(user) assert len(uow._seen) == 1 seen_item = next(iter(uow._seen)) assert seen_item.name == "Name Changed"
def test_changed_objects_are_committed_as_part_of_one_transaction_on_explict_commit( self, test_domain): # Add a Person the database repo = test_domain.repository_for(Person) person_to_be_updated = self.persisted_person(test_domain) person_to_be_deleted = self.persisted_person(test_domain) repo.add(person_to_be_updated) repo.add(person_to_be_deleted) person_dao = test_domain.get_dao(Person) # Initiate a UnitOfWork Session uow = UnitOfWork() uow.start() repo_with_uow = test_domain.repository_for(Person) # Create a new person object to be added person_to_be_added = Person(first_name="John", last_name="Doe") repo_with_uow.add(person_to_be_added) # Update an existing Person record person_to_be_updated.last_name = "FooBar" repo_with_uow.add(person_to_be_updated) # Remove an existing Person record repo_with_uow.remove(person_to_be_deleted) # Test that the underlying database is untouched assert len(person_dao.outside_uow().query.all().items) == 2 assert (person_dao.outside_uow().get(person_to_be_updated.id).last_name != "FooBar") assert person_dao.outside_uow().get( person_to_be_deleted.id) is not None uow.commit() assert uow.in_progress is False assert len(person_dao.query.all().items) == 2 assert person_dao.get(person_to_be_added.id) is not None assert person_dao.get(person_to_be_updated.id).last_name == "FooBar" with pytest.raises(ObjectNotFoundError): person_dao.get(person_to_be_deleted.id)
def test_all_changes_are_discard_on_rollback(self, test_domain): repo = test_domain.repository_for(Person) person_to_be_updated = self.persisted_person(test_domain) person_to_be_deleted = self.persisted_person(test_domain) repo.add(person_to_be_updated) repo.add(person_to_be_deleted) person_dao = test_domain.get_dao(Person) # Initiate a UnitOfWork Session uow = UnitOfWork() uow.start() repo_with_uow = test_domain.repository_for(Person) # Create a new person object to be added person_to_be_added = Person(first_name="John", last_name="Doe") repo_with_uow.add(person_to_be_added) # Update an existing Person record person_to_be_updated.last_name = "FooBar" repo_with_uow.add(person_to_be_updated) # Remove an existing Person record repo_with_uow.remove(person_to_be_deleted) # Test that the underlying database is untouched assert len(person_dao.outside_uow().query.all().items) == 2 assert (person_dao.outside_uow().get(person_to_be_updated.id).last_name != "FooBar") assert person_dao.outside_uow().get( person_to_be_deleted.id) is not None uow.rollback() assert uow.in_progress is False assert len(person_dao.query.all().items) == 2 assert person_dao.get(person_to_be_updated.id).last_name != "FooBar" assert person_dao.get(person_to_be_deleted.id) is not None