Testing behavior, not implementation details – In-Memory Store Tests

tests.py

# behavior/tests.py


def test_add_task_():
    store = TaskStoreInMemory()
    task = Task(title="Do the dishes", status=TaskStatus.OPEN)

    store.add_task(task)

    assert store.tasks[0].title == "Do the dishes"
    assert store.tasks[0].status == "OPEN"


def test_list_tasks_():
    store = TaskStoreInMemory()
    task = Task(title="Do the dishes", status=TaskStatus.OPEN)

    store.tasks.append(task)

    assert store.list_tasks() == [task]