public void TwentyFourHoursRollingStats_ShouldReturnStatistics() { //Arrange _httpMessageHandlerMock .Protected() .Setup <Task <HttpResponseMessage> >("SendAsync", ItExpr.Is <HttpRequestMessage>(x => x.RequestUri.AbsoluteUri.Contains("/api/v3/ticker/24hr")), ItExpr.IsAny <CancellationToken>()) .Returns(Task.FromResult(new HttpResponseMessage(HttpStatusCode.OK) { StatusCode = HttpStatusCode.OK, Content = new StringContent( @"{""symbol"": ""BNBBTC"", ""priceChange"": ""-94.99999800"", ""priceChangePercent"": ""-95.960"", ""weightedAvgPrice"": ""0.29628482"", ""prevClosePrice"": ""0.10002000"", ""lastPrice"": ""4.00000200"", ""lastQty"": ""200.00000000"", ""bidPrice"": ""4.00000000"", ""askPrice"": ""4.00000200"", ""openPrice"": ""99.00000000"", ""highPrice"": ""100.00000000"", ""lowPrice"": ""0.10000000"", ""volume"": ""8913.30000000"", ""quoteVolume"": ""15.30000000"", ""openTime"": 1499783499040, ""closeTime"": 1499869899040, ""firstId"": 28385, ""lastId"": 28460, ""count"": 76}") })) .Verifiable(); HttpClient httpClient = new HttpClient(_httpMessageHandlerMock.Object); _connectionAdapter.HttpClient = httpClient; Binance subjectUnderTest = new Binance { ConnectionAdapter = _connectionAdapter }; Product product = new Product { ID = "BNBBTC" }; //Act Statistics statistics = subjectUnderTest.TwentyFourHoursRollingStatsAsync(product).Result; //Assert Assert.IsNotNull(statistics); }