public void ProcessTakeUnavailableItem()
{
MessageBus bus = new MessageBus();
List <string> messages = new List <string>();
bus.Subscribe <OutputMessage>(m => messages.Add(m.Text));
Item actualItem = null;
bus.Subscribe <TakeItemMessage>(m =>
{
messages.Add($"You {m.Verb} the {m.Noun}!");
actualItem = m.Item;
});
TestRoom room = new TestRoom(bus);
room.Add("key", new TestKey(bus, false));
room.Add("coin", new TestCoin(bus));
room.Enter();
bus.Send(new SentenceMessage(new Word("take", "TAKE"), new Word("key", "KEY")));
bus.Send(new SentenceMessage(new Word("look", "LOOK"), new Word(string.Empty, string.Empty)));
messages.Should().Equal(
"You are in a test room.",
"There is a key here.",
"There is a coin here.",
"I won't let you take this!",
"You are in a test room.",
"There is a key here.",
"There is a coin here.");
actualItem.Should().BeNull();
}
public void ProcessUnknownCustomItemAction()
{
MessageBus bus = new MessageBus();
string lastOutput = null;
Action <OutputMessage> subscriber = m => lastOutput = m.Text;
bus.Subscribe(subscriber);
TestRoom room = new TestRoom(bus);
room.Add("key", new TestKey(bus));
room.Add("coin", new TestCoin(bus));
room.Enter();
bus.Send(new SentenceMessage(new Word("flip", "FLIP"), new Word("key", "KEY")));
lastOutput.Should().Be("You can't do that.");
}
public void ProcessCustomItemActionAfterLeave()
{
MessageBus bus = new MessageBus();
string lastOutput = null;
Action <OutputMessage> subscriber = m => lastOutput = m.Text;
bus.Subscribe(subscriber);
TestRoom room = new TestRoom(bus);
room.Add("key", new TestKey(bus));
room.Add("coin", new TestCoin(bus));
room.Enter();
room.Leave();
bus.Send(new SentenceMessage(new Word("flip", "FLIP"), new Word("coin", "COIN")));
lastOutput.Should().Be("There is a coin here.");
}
public void AddTwoItems()
{
MessageBus bus = new MessageBus();
List <string> output = new List <string>();
Action <OutputMessage> subscriber = m => output.Add(m.Text);
bus.Subscribe(subscriber);
TestRoom room = new TestRoom(bus);
room.Add("key", new TestKey(bus));
room.Add("coin", new TestCoin(bus));
room.Enter();
output.Should().Equal(
"You are in a test room.",
"There is a key here.",
"There is a coin here.");
}
public void ProcessLookItem()
{
MessageBus bus = new MessageBus();
string lastOutput = null;
Action <OutputMessage> subscriber = m => lastOutput = m.Text;
bus.Subscribe(subscriber);
Room room = new TestRoom(bus);
room.Add("key", new TestKey(bus));
room.Enter();
bus.Send(new SentenceMessage(new Word("look", "LOOK"), new Word("key", "KEY")));
lastOutput.Should().Be("It is solid gold.");
}
public void RemoveOneItem()
{
MessageBus bus = new MessageBus();
List <string> output = new List <string>();
Action <OutputMessage> subscriber = m => output.Add(m.Text);
bus.Subscribe(subscriber);
TestRoom room = new TestRoom(bus);
Item expected = new TestKey(bus);
room.Add("key", expected);
Item removed = room.Remove("key");
room.Enter();
output.Should().Equal(
"You are in a test room.");
removed.Should().BeSameAs(expected);
}