public void When_completing_a_missing_task()
{
_exception = Catch.Exception(() => _handler.Handle(_cmd));
//_should_fail
Assert.IsInstanceOf <ArgumentOutOfRangeException>(_exception);
//_should_not_post_event
A.CallTo(() => _commandProcessor.Post(A <TaskCompletedEvent> ._)).MustNotHaveHappened();
}
public void When_completing_an_existing_task()
{
_handler.Handle(_cmd);
_taskToBeCompleted = _tasksDAO.FindById(_cmd.TaskId);
//_should_update_the_tasks_completed_date
Assert.AreEqual(s_COMPLETION_DATE.Date, _taskToBeCompleted.CompletionDate.Value.Date);
//_should_post_event
A.CallTo(() => s_commandProcessor.Post(A <TaskCompletedEvent> ._)).MustHaveHappened(Repeated.Exactly.Once);
}