public async Task WeChatHttpAdapterExceptionTest()
        {
            var request      = CreateMockRequest(MockDataUtility.XmlEncrypt).Object;
            var response     = CreateMockResponse().Object;
            var secretInfo   = MockDataUtility.GetMockSecretInfo();
            var storage      = new MemoryStorage();
            var taskQueue    = new BackgroundTaskQueue();
            var bot          = new EchoBot();
            var testAdapter  = new WeChatHttpAdapter(MockDataUtility.MockWeChatSettings(true, false), storage, taskQueue);
            var testAdapter2 = new WeChatHttpAdapter(MockDataUtility.MockWeChatSettings(true, false), storage, null);
            var nullQueue    = await Assert.ThrowsAsync <NullReferenceException>(() => testAdapter2.ProcessAsync(request, response, bot, secretInfo)).ConfigureAwait(false);

            Assert.Equal("Background task queue can not be null.", nullQueue.Message);
            testAdapter2.OnTurnError = (context, exception) => { return(Task.CompletedTask); };
            await testAdapter2.ProcessAsync(request, response, bot, secretInfo).ConfigureAwait(false);

            var nullRequest = await Assert.ThrowsAsync <ArgumentNullException>(() => testAdapter.ProcessAsync(null, response, bot, secretInfo)).ConfigureAwait(false);

            Assert.Equal("Value cannot be null.\r\nParameter name: httpRequest", nullRequest.Message);
            var nullResponse = await Assert.ThrowsAsync <ArgumentNullException>(() => testAdapter.ProcessAsync(request, null, bot, secretInfo)).ConfigureAwait(false);

            Assert.Equal("Value cannot be null.\r\nParameter name: httpResponse", nullResponse.Message);
            var nullBot = await Assert.ThrowsAsync <ArgumentNullException>(() => testAdapter.ProcessAsync(request, response, null, secretInfo)).ConfigureAwait(false);

            Assert.Equal("Value cannot be null.\r\nParameter name: bot", nullBot.Message);
            var nullSecretInfo = await Assert.ThrowsAsync <ArgumentNullException>(() => testAdapter.ProcessAsync(request, response, bot, null)).ConfigureAwait(false);

            Assert.Equal("Value cannot be null.\r\nParameter name: secretInfo", nullSecretInfo.Message);

            secretInfo.EchoString = "echoString";
            await testAdapter.ProcessAsync(request, response, bot, secretInfo).ConfigureAwait(false);

            Assert.Equal(response.Body.Length, secretInfo.EchoString.Length);
            secretInfo.Timestamp = "0";
            var unauthorized = await Assert.ThrowsAsync <UnauthorizedAccessException>(() => testAdapter.ProcessAsync(request, response, bot, secretInfo)).ConfigureAwait(false);

            Assert.Equal("Signature verification failed.", unauthorized.Message);

            testAdapter.Dispose();
        }
        public async Task WeChatHttpAdapterTest()
        {
            var request      = CreateMockRequest(MockDataUtility.XmlEncrypt).Object;
            var response     = CreateMockResponse().Object;
            var secretInfo   = MockDataUtility.GetMockSecretInfo();
            var storage      = new MemoryStorage();
            var taskQueue    = new BackgroundTaskQueue();
            var bot          = new EchoBot();
            var testAdapter1 = new WeChatHttpAdapter(MockDataUtility.MockWeChatSettings(true, false), storage, taskQueue);
            var testAdapter2 = new WeChatHttpAdapter(MockDataUtility.MockWeChatSettings(false, true), storage, taskQueue);
            var testAdapter3 = new WeChatHttpAdapter(MockDataUtility.MockWeChatSettings(true, true), storage, taskQueue);
            var testAdapter4 = new WeChatHttpAdapter(MockDataUtility.MockWeChatSettings(false, false), storage, taskQueue);

            await testAdapter1.ProcessAsync(request, response, bot, secretInfo);

            await testAdapter2.ProcessAsync(request, response, bot, secretInfo);

            await testAdapter3.ProcessAsync(request, response, bot, secretInfo);

            await testAdapter4.ProcessAsync(request, response, bot, secretInfo);
        }