public void CancelOrders_ShouldReturnBinanceOrder() { //Arrange _httpMessageHandlerMock .Protected() .Setup <Task <HttpResponseMessage> >("SendAsync", ItExpr.Is <HttpRequestMessage>(x => x.RequestUri.AbsoluteUri.Contains("/api/v1/time")), ItExpr.IsAny <CancellationToken>()) .Returns(Task.FromResult(new HttpResponseMessage(HttpStatusCode.OK) { StatusCode = HttpStatusCode.OK, Content = new StringContent( @"{""serverTime"":1592395836992}") })) .Verifiable(); _httpMessageHandlerMock .Protected() .Setup <Task <HttpResponseMessage> >("SendAsync", ItExpr.Is <HttpRequestMessage>(x => x.RequestUri.AbsoluteUri.Contains("/api/v3/openOrders")), ItExpr.IsAny <CancellationToken>()) .Returns(Task.FromResult(new HttpResponseMessage(HttpStatusCode.OK) { StatusCode = HttpStatusCode.OK, Content = new StringContent( @"[{""symbol"":""BNBBTC"",""origClientOrderId"":""dYJEVoHBmZ9wO55DWErawG"",""orderId"":1369, ""orderListId"":-1,""clientOrderId"":""oy60PoMjhqSDSA8JrbAdbb"",""price"":""0.00100000"", ""origQty"":""0.10000000"",""executedQty"":""0.00000000"",""cummulativeQuoteQty"":""0.00000000"", ""status"":""CANCELED"",""timeInForce"":""GTC"",""type"":""LIMIT"",""side"":""BUY""}, {""symbol"":""BNBBTC"",""origClientOrderId"":""d81bitzsSWPjprIJhgHxR1"",""orderId"":1371, ""orderListId"":-1,""clientOrderId"":""oy60PoMjhqSDSA8JrbAdbb"",""price"":""0.00100000"",""origQty"":""0.10000000"", ""executedQty"":""0.00000000"",""cummulativeQuoteQty"":""0.00000000"",""status"":""CANCELED"",""timeInForce"":""GTC"", ""type"":""LIMIT"",""side"":""BUY""}, {""symbol"":""BNBBTC"",""origClientOrderId"":""eE5TpVjDdljT3Q6121rbkD"",""orderId"":1373,""orderListId"":-1, ""clientOrderId"":""oy60PoMjhqSDSA8JrbAdbb"",""price"":""0.00100000"",""origQty"":""0.10000000"", ""executedQty"":""0.00000000"",""cummulativeQuoteQty"":""0.00000000"",""status"":""CANCELED"", ""timeInForce"":""GTC"",""type"":""LIMIT"",""side"":""BUY""}]") })) .Verifiable(); HttpClient httpClient = new HttpClient(_httpMessageHandlerMock.Object); _connectionAdapter.HttpClient = httpClient; Binance subjectUnderTest = new Binance(); subjectUnderTest.ConnectionAdapter = _connectionAdapter; Product product = new Product(); product.ID = "BNBBTC"; //Act List <BinanceOrder> binanceOrders = subjectUnderTest.CancelOrdersAsync(product).Result; //Assert Assert.IsNotNull(binanceOrders); }