public void ArticleClient_GetAsync_find_test() { #region Setup var handler = new Mock <HttpMessageHandler>(); handler.Protected().Setup <Task <HttpResponseMessage> >("SendAsync", ItExpr.IsAny <HttpRequestMessage>(), ItExpr.IsAny <CancellationToken>()).Returns((HttpRequestMessage request, CancellationToken cancellationToken) => { HttpResponseMessage httpResponseMessage = new HttpResponseMessage(HttpStatusCode.InternalServerError); if (request.RequestUri.ToString().EndsWith("NA")) { httpResponseMessage = new HttpResponseMessage(HttpStatusCode.NotFound); httpResponseMessage.Content = new StringContent(JsonConvert.SerializeObject(new CollectionModelBase <Article>())); } else if (request.RequestUri.ToString().EndsWith("Slug")) { httpResponseMessage = new HttpResponseMessage(HttpStatusCode.OK); httpResponseMessage.Content = new StringContent(JsonConvert.SerializeObject(new CollectionModelBase <Article>() { Item = new List <Article>() { new Article() { Slug = "Slug" } } })); } return(Task.FromResult(httpResponseMessage)); }); Mock <HttpClientFactory> httpClientFactory = new Mock <HttpClientFactory>(new Mock <IDependencyResolver>().Object); httpClientFactory.Setup(p => p.Create()).Returns(() => { return(new HttpClient(handler.Object)); }); Mock <IBaasicClientFactory> baasicClientFactory = new Mock <IBaasicClientFactory>(); baasicClientFactory.Setup(f => f.Create(It.IsAny <IClientConfiguration>())).Returns((IClientConfiguration config) => new BaasicClient(config, httpClientFactory.Object, new JsonFormatter())); Mock <IClientConfiguration> clientConfiguration = new Mock <IClientConfiguration>(); clientConfiguration.Setup(p => p.DefaultMediaType).Returns(ClientConfiguration.HalJsonMediaType); clientConfiguration.Setup(p => p.DefaultTimeout).Returns(TimeSpan.FromSeconds(1)); clientConfiguration.Setup(p => p.ApplicationIdentifier).Returns("Test"); clientConfiguration.Setup(p => p.SecureBaseAddress).Returns("https://api.baasic.com/v1"); clientConfiguration.Setup(p => p.BaseAddress).Returns("http://api.baasic.com/v1"); ArticleClient target = new ArticleClient(clientConfiguration.Object, baasicClientFactory.Object); target.Should().NotBeNull(); #endregion Setup var expected = target.FindAsync("NA", null, null, "", "", 1, 10, "", "").Result; expected.Should().NotBeNull(); expected.Item.Should().NotBeNull(); expected.Item.Count.Should().Be(0); expected = target.FindAsync("Slug", null, null, "", "", 1, 10, "", "").Result; expected.Should().NotBeNull(); expected.Item.Should().NotBeNull(); expected.Item.First().Slug.Should().Be("Slug"); }