public void Hello_Should_ReturnExpectedWelcomeMessage()
{
const string welcomeMessage = "TEST";
const string name = "Bob";
var expectedWelcome = $"{welcomeMessage} {name}";
var mockOptions = new Mock <IOptions <MessagesConfiguration> >();
mockOptions.Setup(x => x.Value).Returns(new MessagesConfiguration {
WelcomeMessage = welcomeMessage
});
var sut = new SampleController(mockOptions.Object, new NullLogger <SampleController>());
var actionResult = sut.Hello(name);
var okResult = actionResult.Result.Should().BeAssignableTo <OkObjectResult>()
.Which.Value.Should().BeAssignableTo <HelloOutputModel>()
.Which.WelcomeMessage.Should().Be(expectedWelcome);
}