public async Task DispatchAsync_InvokesHandlers()
{
// Arrange
var handlers = new List <IOpenIddictValidationEventHandler <Event> >
{
Mock.Of <IOpenIddictValidationEventHandler <Event> >(),
Mock.Of <IOpenIddictValidationEventHandler <Event> >()
};
var provider = new Mock <IServiceProvider>();
provider.Setup(mock => mock.GetService(typeof(IEnumerable <IOpenIddictValidationEventHandler <Event> >)))
.Returns(handlers);
var dispatcher = new OpenIddictValidationEventDispatcher(provider.Object);
var notification = new Event();
// Act
await dispatcher.DispatchAsync(notification);
// Assert
Mock.Get(handlers[0]).Verify(mock => mock.HandleAsync(notification), Times.Once());
Mock.Get(handlers[1]).Verify(mock => mock.HandleAsync(notification), Times.Once());
}
public async Task DispatchAsync_StopsInvokingHandlersWhenHandledIsReturned()
{
// Arrange
var handlers = new List <IOpenIddictValidationEventHandler <Event> >
{
Mock.Of <IOpenIddictValidationEventHandler <Event> >(
mock => mock.HandleAsync(It.IsAny <Event>()) == Task.FromResult(OpenIddictValidationEventState.Unhandled)),
Mock.Of <IOpenIddictValidationEventHandler <Event> >(
mock => mock.HandleAsync(It.IsAny <Event>()) == Task.FromResult(OpenIddictValidationEventState.Unhandled)),
Mock.Of <IOpenIddictValidationEventHandler <Event> >(
mock => mock.HandleAsync(It.IsAny <Event>()) == Task.FromResult(OpenIddictValidationEventState.Handled)),
Mock.Of <IOpenIddictValidationEventHandler <Event> >()
};
var provider = new Mock <IServiceProvider>();
provider.Setup(mock => mock.GetService(typeof(IEnumerable <IOpenIddictValidationEventHandler <Event> >)))
.Returns(handlers);
var dispatcher = new OpenIddictValidationEventDispatcher(provider.Object);
var notification = new Event();
// Act
await dispatcher.DispatchAsync(notification);
// Assert
Mock.Get(handlers[0]).Verify(mock => mock.HandleAsync(notification), Times.Once());
Mock.Get(handlers[1]).Verify(mock => mock.HandleAsync(notification), Times.Once());
Mock.Get(handlers[2]).Verify(mock => mock.HandleAsync(notification), Times.Once());
Mock.Get(handlers[3]).Verify(mock => mock.HandleAsync(notification), Times.Never());
}
public async Task DispatchAsync_ThrowsAnExceptionForNullNotification()
{
// Arrange
var provider = Mock.Of <IServiceProvider>();
var dispatcher = new OpenIddictValidationEventDispatcher(provider);
// Act and assert
var exception = await Assert.ThrowsAsync <ArgumentNullException>(()
=> dispatcher.DispatchAsync <Event>(notification: null));
Assert.Equal("notification", exception.ParamName);
}