more logging, more readme, more refactoring

test/Ocelot.UnitTests/Responder/ResponderMiddlewareTests.cs

@@ -0,0 +1,109 @@
+using System;
+using System.IO;
+using System.Net.Http;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.TestHost;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Moq;
+using Ocelot.Infrastructure.RequestData;
+using Ocelot.Logging;
+using Ocelot.Responder;
+using Ocelot.Responder.Middleware;
+using Ocelot.Responses;
+using TestStack.BDDfy;
+using Xunit;
+
+namespace Ocelot.UnitTests.Responder
+{
+    public class ResponderMiddlewareTests : IDisposable
+    {
+        private readonly Mock<IHttpResponder> _responder;
+        private readonly Mock<IRequestScopedDataRepository> _scopedRepository;
+        private readonly Mock<IErrorsToHttpStatusCodeMapper> _codeMapper;
+        private readonly string _url;
+        private readonly TestServer _server;
+        private readonly HttpClient _client;
+        private HttpResponseMessage _result;
+        private OkResponse<HttpResponseMessage> _response;
+
+        public ResponderMiddlewareTests()
+        {
+            _url = "http://localhost:51879";
+            _responder = new Mock<IHttpResponder>();
+            _scopedRepository = new Mock<IRequestScopedDataRepository>();
+            _codeMapper = new Mock<IErrorsToHttpStatusCodeMapper>();
+            var builder = new WebHostBuilder()
+              .ConfigureServices(x =>
+              {
+                  x.AddSingleton<IOcelotLoggerFactory, AspDotNetLoggerFactory>();
+                  x.AddLogging();
+                  x.AddSingleton(_codeMapper.Object);
+                  x.AddSingleton(_responder.Object);
+                  x.AddSingleton(_scopedRepository.Object);
+              })
+              .UseUrls(_url)
+              .UseKestrel()
+              .UseContentRoot(Directory.GetCurrentDirectory())
+              .UseIISIntegration()
+              .UseUrls(_url)
+              .Configure(app =>
+              {
+                  app.UseResponderMiddleware();
+              });
+
+            _server = new TestServer(builder);
+            _client = _server.CreateClient();
+        }
+
+        [Fact]
+        public void should_not_return_any_errors()
+        {
+            this.Given(x => x.GivenTheHttpResponseMessageIs(new HttpResponseMessage()))
+                .And(x => x.GivenThereAreNoPipelineErrors())
+                .And(x => x.GivenTheResponderReturns())
+                .When(x => x.WhenICallTheMiddleware())
+                .Then(x => x.ThenThereAreNoErrors())
+                .BDDfy();
+        }
+
+        private void GivenTheResponderReturns()
+        {
+            _responder
+                .Setup(x => x.SetResponseOnHttpContext(It.IsAny<HttpContext>(), It.IsAny<HttpResponseMessage>()))
+                .ReturnsAsync(new OkResponse());
+        }
+
+        private void GivenThereAreNoPipelineErrors()
+        {
+            _scopedRepository
+                .Setup(x => x.Get<bool>(It.IsAny<string>()))
+                .Returns(new OkResponse<bool>(false));
+        }
+
+        private void ThenThereAreNoErrors()
+        {
+            //todo a better assert?
+        }
+
+        private void WhenICallTheMiddleware()
+        {
+            _result = _client.GetAsync(_url).Result;
+        }
+
+        private void GivenTheHttpResponseMessageIs(HttpResponseMessage response)
+        {
+            _response = new OkResponse<HttpResponseMessage>(response);
+            _scopedRepository
+                .Setup(x => x.Get<HttpResponseMessage>(It.IsAny<string>()))
+                .Returns(_response);
+        }
+
+        public void Dispose()
+        {
+            _client.Dispose();
+            _server.Dispose();
+        }
+    }
+}