public async Task PublishAsync_throws_when_notification_handler_collection_creation_fails()
{
Mock.Get(_instanceFactory)
.Setup(f => f.Invoke(It.IsAny <Type>()))
.Returns((Func <Type, object>)(type => { throw new InvalidCastException(); }));
using var scope = AsyncScopedLifestyle.BeginScope(_containerFixture.Container);
var noNotification = new EchoNotification();
Func <Task> publishFunc = () => _sut.PublishAsync(noNotification);
await publishFunc.Should().ThrowExactlyAsync <ArgumentException>().WithMessage("Handler collection creation failed*");
Mock.Get(_instanceFactory)
.Verify(f => f.Invoke(It.Is <Type>(t => t == typeof(IEnumerable <INotificationHandler <EchoNotification> >))), Times.Once());
}
public async Task PublishAsync_succeeds_with_single_handler()
{
Mock.Get(_instanceFactory)
.Setup(f => f.Invoke(It.IsAny <Type>()))
.Returns((Func <Type, object>)_containerFixture.Container.GetInstance);
using var scope = AsyncScopedLifestyle.BeginScope(_containerFixture.Container);
var echoNotification = new EchoNotification();
Func <Task> publishFunc = () => _sut.PublishAsync(echoNotification);
await publishFunc.Should().NotThrowAsync();
scope.GetInstance <StringWriter>().ToString().Should().Be("Echo;");
Mock.Get(_instanceFactory)
.Verify(f => f.Invoke(It.Is <Type>(t => t == typeof(IEnumerable <INotificationHandler <EchoNotification> >))), Times.Once());
}
