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 LeaveBeforeEnter()
{
Room room = new TestRoom(new MessageBus());
Action act = () => room.Leave();
act.Should().Throw <InvalidOperationException>().WithMessage("Cannot Leave before Enter.");
}
public void EnterTwice()
{
Room room = new TestRoom(new MessageBus());
room.Enter();
Action act = () => room.Enter();
act.Should().Throw <InvalidOperationException>().WithMessage("Cannot Enter again.");
}
public void RequestInventory()
{
MessageBus bus = new MessageBus();
int inv = 0;
bus.Subscribe <ShowInventoryMessage>(_ => ++ inv);
TestRoom room = new TestRoom(bus);
room.Enter();
bus.Send(new SentenceMessage(new Word("inventory", "INV"), new Word(string.Empty, string.Empty)));
inv.Should().Be(1);
}
public void ProcessLookItemAfterLeave()
{
MessageBus bus = new MessageBus();
List <string> messages = new List <string>();
bus.Subscribe <OutputMessage>(m => messages.Add(m.Text));
Room room = new TestRoom(bus);
room.Enter();
room.Leave();
bus.Send(new LookItemMessage(new Word("key", "KEY")));
messages.Should().Equal("You are in a test room.");
}
public void RegisterSameVerbDifferentCase()
{
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.Enter();
Action act = () => room.TestRegisterHello("HeLLO");
act.Should().Throw <InvalidOperationException>().WithMessage("The verb 'HeLLO' is already registered.");
}
public void ProcessQuit()
{
MessageBus bus = new MessageBus();
string quitText = null;
Action <EndOfGameMessage> subscriber = m => quitText = m.Text;
bus.Subscribe(subscriber);
Room room = new TestRoom(bus);
room.Enter();
bus.Send(new SentenceMessage(new Word("quit", "QUIT"), new Word(string.Empty, string.Empty)));
quitText.Should().Be("You quit. Game over.");
}
private static void TestSend(Word verb, Word noun, string expectedOutput)
{
MessageBus bus = new MessageBus();
string lastOutput = null;
Action <OutputMessage> subscriber = m => lastOutput = m.Text;
bus.Subscribe(subscriber);
Room room = new TestRoom(bus);
room.Enter();
bus.Send(new SentenceMessage(verb, noun));
lastOutput.Should().Be(expectedOutput);
}
public void UnsubscribeOnLeave()
{
MessageBus bus = new MessageBus();
Room room = new TestRoom(bus);
string lastOutput = null;
Action <OutputMessage> subscriber = m => lastOutput = m.Text;
room.Enter();
room.Leave();
bus.Subscribe(subscriber);
bus.Send(new SentenceMessage(new Word("hello", "hello"), new Word("world", "world")));
lastOutput.Should().BeNull();
}
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 ProcessGoDirection()
{
MessageBus bus = new MessageBus();
List <string> messages = new List <string>();
bus.Subscribe <OutputMessage>(m => messages.Add(m.Text));
bus.Subscribe <GoMessage>(m => messages.Add($"You go {m.Direction}!"));
TestRoom room = new TestRoom(bus);
room.Enter();
bus.Send(new SentenceMessage(new Word("go", "GO"), new Word("north", "NORTH")));
messages.Should().Equal(
"You are in a test room.",
"You go north!");
}
public void RemoveOneItemNotPresent()
{
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 removed = room.Remove("key");
room.Enter();
output.Should().Equal(
"You are in a test room.");
removed.Should().BeNull();
}
public void ProcessRoomActionAfterLeave()
{
MessageBus bus = new MessageBus();
List <string> output = new List <string>();
bus.Subscribe <OutputMessage>(m => output.Add(m.Text));
Room room = new TestRoom(bus);
room.Enter();
room.Leave();
bus.Send(new ActionMessage <Room>(r => r.Add("coin", new TestCoin(bus))));
room.Enter();
output.Should().Equal(
"You are in a test room.",
"You are in a test room.");
}
public void ProcessRoomAction()
{
MessageBus bus = new MessageBus();
List <string> output = new List <string>();
bus.Subscribe <OutputMessage>(m => output.Add(m.Text));
Room room = new TestRoom(bus);
room.Enter();
bus.Send(new ActionMessage <Room>(r => r.Add("coin", new TestCoin(bus))));
bus.Send(new SentenceMessage(new Word("look", "LOOK"), new Word(string.Empty, string.Empty)));
output.Should().Equal(
"You are in a test room.",
"You are in a test room.",
"There is a coin here.");
}
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 RegisterOnEnter()
{
MessageBus bus = new MessageBus();
List <string> output = new List <string>();
Action <OutputMessage> subscriber = m => output.Add(m.Text);
bus.Subscribe(subscriber);
Room room = new TestRoom(bus);
room.Enter();
output.Should().ContainSingle().Which.Should().Be("You are in a test room.");
bus.Send(new SentenceMessage(new Word("hello", "hello"), new Word("world", "world")));
output.Should().Contain("Hello, world!");
}
public void AddOneItem()
{
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.Enter();
output.Should().Equal(
"You are in a test room.",
"There is a key here.");
}
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 ProcessLookItemUpperLevelSubscriber()
{
MessageBus bus = new MessageBus();
string lastOutput = null;
bus.Subscribe <OutputMessage>(m => lastOutput = m.Text);
Dictionary <string, Item> items = new Dictionary <string, Item>();
items.Add("key", new TestKey(bus));
bus.Subscribe <LookItemMessage>(m =>
{
bus.Send(new OutputMessage(items[m.Noun.Primary].LongDescription));
return(true);
});
Room room = new TestRoom(bus);
room.Enter();
bus.Send(new SentenceMessage(new Word("look", "LOOK"), new Word("key", "KEY")));
lastOutput.Should().Be("It is solid gold.");
}
public void DropOneItem()
{
MessageBus bus = new MessageBus();
Dictionary <string, Item> items = new Dictionary <string, Item>();
items["DROP/KEY"] = new TestKey(bus);
bus.Subscribe <DropItemMessage>(m => m.Items.Add(m.Noun.Primary, items[$"{m.Verb}/{m.Noun}"]));
List <string> output = new List <string>();
bus.Subscribe <OutputMessage>(m => output.Add(m.Text));
TestRoom room = new TestRoom(bus);
room.Enter();
bus.Send(new SentenceMessage(new Word("drop", "DROP"), new Word("key", "KEY")));
bus.Send(new SentenceMessage(new Word("look", "LOOK"), new Word(string.Empty, string.Empty)));
output.Should().Equal(
"You are in a test room.",
"You are in a test room.",
"There is a key here.");
}