public void RegisteringCommandObserverDoesNotChangeState()
{
var observer = new TestCommandObserver();
m_CommandDispatcher.RegisterCommandPreDispatchCallback(observer.Observe);
Assert.That(GetState().FooBarStateComponent.Foo, Is.EqualTo(k_StateDefaultValue));
}
public void RegisteredCommandObserverShouldBeCalledForEachCommandDispatched()
{
var observer = new TestCommandObserver();
m_CommandDispatcher.RegisterCommandPreDispatchCallback(observer.Observe);
m_CommandDispatcher.RegisterCommandHandler <TestGraphToolState, PassThroughCommand>(PassThroughCommand.PassThrough);
m_CommandDispatcher.RegisterCommandHandler <TestGraphToolState, ChangeFooCommand>(ChangeFooCommand.DefaultHandler);
m_CommandDispatcher.RegisterCommandHandler <TestGraphToolState, ChangeBarCommand>(ChangeBarCommand.DefaultHandler);
Assert.That(observer.CommandObserved, Is.EqualTo(0));
m_CommandDispatcher.Dispatch(new ChangeFooCommand(20));
Assert.That(observer.CommandObserved, Is.EqualTo(1));
m_CommandDispatcher.Dispatch(new ChangeBarCommand(10));
Assert.That(observer.CommandObserved, Is.EqualTo(2));
m_CommandDispatcher.Dispatch(new PassThroughCommand());
Assert.That(observer.CommandObserved, Is.EqualTo(3));
// Unregistered observer should not be notified anymore
m_CommandDispatcher.UnregisterCommandPreDispatchCallback(observer.Observe);
m_CommandDispatcher.Dispatch(new PassThroughCommand());
Assert.That(observer.CommandObserved, Is.EqualTo(3));
}
public void RegisteringCommandObserverTwiceThrows()
{
var observer = new TestCommandObserver();
m_CommandDispatcher.RegisterCommandHandler <TestGraphToolState, ChangeFooCommand>(ChangeFooCommand.DefaultHandler);
m_CommandDispatcher.RegisterCommandPreDispatchCallback(observer.Observe);
Assert.Throws <InvalidOperationException>(() => m_CommandDispatcher.RegisterCommandPreDispatchCallback(observer.Observe));
}
public void UnregisteringCommandObserverTwiceDoesNotThrow()
{
var observer = new TestCommandObserver();
m_CommandDispatcher.RegisterCommandPreDispatchCallback(observer.Observe);
m_CommandDispatcher.UnregisterCommandPreDispatchCallback(observer.Observe);
m_CommandDispatcher.UnregisterCommandPreDispatchCallback(observer.Observe);
LogAssert.NoUnexpectedReceived();
}
public void CommandObserverShouldNotBeCalledAfterUnregistering()
{
var observer1 = new TestCommandObserver();
m_CommandDispatcher.RegisterCommandPreDispatchCallback(observer1.Observe);
m_CommandDispatcher.RegisterCommandHandler <TestGraphToolState, ChangeFooCommand>(ChangeFooCommand.DefaultHandler);
Assert.That(observer1.CommandObserved, Is.EqualTo(0));
m_CommandDispatcher.Dispatch(new ChangeFooCommand(10));
Assert.That(observer1.CommandObserved, Is.EqualTo(1));
m_CommandDispatcher.UnregisterCommandPreDispatchCallback(observer1.Observe);
m_CommandDispatcher.Dispatch(new ChangeFooCommand(10));
Assert.That(observer1.CommandObserved, Is.EqualTo(1));
}
public void AllRegisteredCommandObserverShouldBeCalledForEachCommandDispatched()
{
var observer1 = new TestCommandObserver();
var observer2 = new TestCommandObserver();
m_CommandDispatcher.RegisterCommandPreDispatchCallback(observer1.Observe);
m_CommandDispatcher.RegisterCommandPreDispatchCallback(observer2.Observe);
m_CommandDispatcher.RegisterCommandHandler <TestGraphToolState, PassThroughCommand>(PassThroughCommand.PassThrough);
m_CommandDispatcher.RegisterCommandHandler <TestGraphToolState, ChangeFooCommand>(ChangeFooCommand.DefaultHandler);
m_CommandDispatcher.RegisterCommandHandler <TestGraphToolState, ChangeBarCommand>(ChangeBarCommand.DefaultHandler);
Assert.That(observer1.CommandObserved, Is.EqualTo(0));
Assert.That(observer2.CommandObserved, Is.EqualTo(0));
m_CommandDispatcher.Dispatch(new ChangeFooCommand(10));
Assert.That(observer1.CommandObserved, Is.EqualTo(1));
Assert.That(observer2.CommandObserved, Is.EqualTo(1));
m_CommandDispatcher.Dispatch(new PassThroughCommand());
Assert.That(observer1.CommandObserved, Is.EqualTo(2));
Assert.That(observer2.CommandObserved, Is.EqualTo(2));
}