def test_initialize_sets_uncommitted_changes():
aggregate = applyless_aggregate()
aggregate._initialize([
BaseEvent(operation_id=str(UniqueID())),
BaseEvent(operation_id=str(UniqueID()))
])
assert len(aggregate.uncommitted_changes) == 2
def test_apply_event_is_called_for_each_event_passed_when_loading_aggregate():
with patch.object(AggregateRoot, 'apply_event') as mock:
AggregateRoot(
EventStream([
BaseEvent(operation_id=str(UniqueID())),
BaseEvent(operation_id=str(UniqueID())),
BaseEvent(operation_id=str(UniqueID()))
]))
assert mock.call_count == 3
def test_marking_changes_as_committed_adds_committed_events_operation_ids_to_committed_operations(
):
aggregate = applyless_aggregate()
event1 = BaseEvent(operation_id=str(UniqueID()))
event2 = BaseEvent(operation_id=str(UniqueID()))
aggregate.apply_event(event1)
aggregate.apply_event(event2)
aggregate.mark_changes_as_committed()
assert event1.operation_id in aggregate.committed_operations
assert event2.operation_id in aggregate.committed_operations
def test_applying_new_event_with_same_operation_id_as_already_committed_event_raises_app_exception(
):
aggregate = applyless_aggregate()
operation_id = UniqueID()
event1 = BaseEvent(operation_id=operation_id.value)
event2 = BaseEvent(operation_id=operation_id.value)
aggregate.apply_event(event1)
aggregate.mark_changes_as_committed()
with pytest.raises(OperationDuplicate):
aggregate.apply_event(event2)
def test_event_construct_from_dict():
BaseEvent(**{'version': 1, 'operation_id': 'fdsf'})
def test_event_default_version_is_one():
assert BaseEvent(operation_id='asd').version == 1
def test_event_is_key_word_only():
with pytest.raises(TypeError):
BaseEvent('operation')
with pytest.raises(TypeError):
BaseEvent('operation', version=3)
def test_event_construct_from_dict_changes_version():
event = BaseEvent(**{'version': 4, 'operation_id': 'fdsf'})
assert event.version == 4
def test_applying_new_events_does_not_add_operation_id_to_operations_committed(
):
event1 = BaseEvent(operation_id=str(UniqueID()))
aggregate = applyless_aggregate()
aggregate.apply_event(event1)
assert event1.operation_id not in aggregate.committed_operations
def test_loading_aggregate_adds_each_operation_id_to_operations_committed_with_value_of_true(
):
event1 = BaseEvent(operation_id=str(UniqueID()))
aggregate = AggregateRoot(EventStream([event1]))
assert event1.operation_id in aggregate.committed_operations
assert aggregate.committed_operations[event1.operation_id] is True
def test_applying_new_event_adds_it_to_uncommitted_changes():
aggregate = applyless_aggregate()
event = BaseEvent(operation_id=str(UniqueID()))
aggregate.apply_event(event)
assert aggregate.uncommitted_changes[-1] == event
def test_initialize_sets_changes():
aggregate = applyless_aggregate()
operation_id = UniqueID()
aggregate._initialize([BaseEvent(operation_id=str(operation_id))])
assert aggregate.uncommitted_changes[0].operation_id == str(operation_id)