public void When_receiving_behavior_messages_directly()
{
Behavior behavior = new BehaviorTester(events)
.State("Initial");
behavior.Initial("Initial");
Assert.ThrowsAsync <InvalidOperationException>(() => behavior.Receive(Become.Message));
Assert.ThrowsAsync <InvalidOperationException>(() => behavior.Receive(Unbecome.Message));
Assert.That(behavior.Current.Name, Is.EqualTo("Initial"));
Assert.That(events, Has.Count.EqualTo(0));
}
public async Task When_receiving_message()
{
Task <object> Receive(object x) => x is string
?Task.FromResult <object>("foo")
: Task.FromResult <object>("bar");
Behavior behavior = new BehaviorTester(events)
.State("A", Receive);
behavior.Initial("A");
Assert.That(await behavior.Receive("1"), Is.EqualTo("foo"));
Assert.That(await behavior.Receive(1), Is.EqualTo("bar"));
}
public async Task When_composed_via_state()
{
Task <object> Base(object message)
{
events.Add("base");
return(TaskResult.Unhandled);
}
Task <object> XTrait(object message)
{
events.Add("x");
return(TaskResult.Unhandled);
}
Task <object> YTrait(object message)
{
events.Add("y");
return(TaskResult.From("y"));
}
Receive[] Cast(params Receive[] args) => args;
Behavior behavior = new BehaviorTester(events)
.State(Base, trait: Cast(XTrait, YTrait))
.Initial(Base);
var result = await behavior.Receive("foo");
AssertEqual(new[] { "base", "x", "y" }, events);
Assert.AreEqual("y", result);
}
public async Task When_receiving_deactivate_message_initial()
{
Behavior behavior = new BehaviorTester(events)
.State("Initial");
behavior.Initial("Initial");
var result = await behavior.Receive(Deactivate.Message);
Assert.That(result, Is.SameAs(Done.Result));
Assert.That(behavior.Current.Name, Is.EqualTo("Initial"));
AssertEvents("OnDeactivate_Initial");
}
public void When_returns_null_task()
{
Behavior behavior = new BehaviorTester(events)
.State("A", x => null)
.Initial("A");
var exception = Assert.ThrowsAsync <InvalidOperationException>(async() => await behavior.Receive("foo"));
Assert.That(exception.Message, Is.EqualTo("Behavior returns null task on handling 'foo' message"));
}