public void DeadlineCommand_should_parse_task_id()
{
var cmd = new DeadlineCommand("1 2017-12-25");
Assert.AreEqual(new TaskId("1"), cmd.TaskId);
}
public void DeadlineCommand_should_parse_deadline()
{
var cmd = new DeadlineCommand("1 2017-12-25");
Assert.AreEqual(new Deadline(new DateTime(2017, 12, 25)), cmd.Deadline);
}