public async Task SayHelloWorldTest()
{
var action = A.Fake <ISayHelloWorldAction>();
A.CallTo(() => action.Execute("You")).Returns(new SayHelloWorldResponse {
Greeting = "Hello You!"
});
var actionFactory = A.Fake <IActionFactory>();
A.CallTo(() => actionFactory.CreateSayHelloWorldAction()).Returns(action);
var sut = new HelloWorldController(actionFactory);
var response = await sut.SayHelloWorld("You");
response.Should().NotBeNull();
var okResponse = response.As <OkObjectResult>();
okResponse.Should().NotBeNull();
okResponse.StatusCode.Should().Be((int)HttpStatusCode.OK);
var content = okResponse.Value.As <SayHelloWorldResponse>();
content.Should().NotBeNull();
content.Greeting.Should().Be("Hello You!");
}