renamed and removed some stuff that wasnt needed

test/Ocelot.AcceptanceTests/RoutingTests.cs

@@ -0,0 +1,194 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Net.Http;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.TestHost;
+using Shouldly;
+using TestStack.BDDfy;
+using Xunit;
+using YamlDotNet.Serialization;
+
+namespace Ocelot.AcceptanceTests
+{
+    using Library.Configuration.Yaml;
+
+    public class RoutingTests : IDisposable
+    {
+        private TestServer _server;
+        private HttpClient _client;
+        private HttpResponseMessage _response;
+        private readonly string _configurationPath;
+        private StringContent _postContent;
+        private IWebHost _builder;
+
+        // Sadly we need to change this when we update the netcoreapp version to make the test update the config correctly
+        private double _netCoreAppVersion = 1.4;
+
+        public RoutingTests()
+        {
+            _configurationPath = $"./bin/Debug/netcoreapp{_netCoreAppVersion}/configuration.yaml";
+        }
+
+        [Fact]
+        public void should_return_response_404_when_no_configuration_at_all()
+        {
+            this.Given(x => x.GivenThereIsAConfiguration(new YamlConfiguration()))
+                .And(x => x.GivenTheApiGatewayIsRunning())
+                .When(x => x.WhenIGetUrlOnTheApiGateway("/"))
+                .Then(x => x.ThenTheStatusCodeShouldBe(HttpStatusCode.NotFound))
+                .BDDfy();
+        }
+
+        [Fact]
+        public void should_return_response_200_with_simple_url()
+        {
+            this.Given(x => x.GivenThereIsAServiceRunningOn("http://localhost:51879", 200, "Hello from Laura"))
+                .And(x => x.GivenThereIsAConfiguration(new YamlConfiguration
+                {
+                    ReRoutes = new List<YamlReRoute>
+                    {
+                        new YamlReRoute
+                        {
+                            DownstreamTemplate = "http://localhost:51879/",
+                            UpstreamTemplate = "/",
+                            UpstreamHttpMethod = "Get",
+                        }
+                    }
+                }))
+                .And(x => x.GivenTheApiGatewayIsRunning())
+                .When(x => x.WhenIGetUrlOnTheApiGateway("/"))
+                .Then(x => x.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
+                .And(x => x.ThenTheResponseBodyShouldBe("Hello from Laura"))
+                .BDDfy();
+        }
+
+        [Fact]
+        public void should_return_response_200_with_complex_url()
+        {
+            this.Given(x => x.GivenThereIsAServiceRunningOn("http://localhost:51879/api/products/1", 200, "Some Product"))
+                .And(x => x.GivenThereIsAConfiguration(new YamlConfiguration
+                {
+                    ReRoutes = new List<YamlReRoute>
+                    {
+                        new YamlReRoute
+                        {
+                            DownstreamTemplate = "http://localhost:51879/api/products/{productId}",
+                            UpstreamTemplate = "/products/{productId}",
+                            UpstreamHttpMethod = "Get"
+                        }
+                    }
+                }))
+                .And(x => x.GivenTheApiGatewayIsRunning())
+                .When(x => x.WhenIGetUrlOnTheApiGateway("/products/1"))
+                .Then(x => x.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
+                .And(x => x.ThenTheResponseBodyShouldBe("Some Product"))
+                .BDDfy();
+        }
+
+        [Fact]
+        public void should_return_response_201_with_simple_url()
+        {
+            this.Given(x => x.GivenThereIsAServiceRunningOn("http://localhost:51879", 201, string.Empty))
+                .And(x => x.GivenThereIsAConfiguration(new YamlConfiguration
+                {
+                    ReRoutes = new List<YamlReRoute>
+                    {
+                        new YamlReRoute
+                        {
+                            DownstreamTemplate = "http://localhost:51879/",
+                            UpstreamTemplate = "/",
+                            UpstreamHttpMethod = "Post"
+                        }
+                    }
+                }))
+                .And(x => x.GivenTheApiGatewayIsRunning())
+                .And(x => x.GivenThePostHasContent("postContent"))
+                .When(x => x.WhenIPostUrlOnTheApiGateway("/"))
+                .Then(x => x.ThenTheStatusCodeShouldBe(HttpStatusCode.Created))
+                .BDDfy();
+        }
+
+        private void GivenThePostHasContent(string postcontent)
+        {
+            _postContent = new StringContent(postcontent);
+        }
+
+        /// <summary>
+        /// This is annoying cos it should be in the constructor but we need to set up the yaml file before calling startup so its a step.
+        /// </summary>
+        private void GivenTheApiGatewayIsRunning()
+        {
+            _server = new TestServer(new WebHostBuilder()
+                .UseStartup<Startup>());
+
+            _client = _server.CreateClient();
+        }
+
+        private void GivenThereIsAConfiguration(YamlConfiguration yamlConfiguration)
+        {
+            var serializer = new Serializer();
+
+            if (File.Exists(_configurationPath))
+            {
+                File.Delete(_configurationPath);
+            }
+
+            using (TextWriter writer = File.CreateText(_configurationPath))
+            {
+                serializer.Serialize(writer, yamlConfiguration);
+            }
+        }
+
+        private void GivenThereIsAServiceRunningOn(string url, int statusCode, string responseBody)
+        {
+            _builder = new WebHostBuilder()
+                .UseUrls(url)
+                .UseKestrel()
+                .UseContentRoot(Directory.GetCurrentDirectory())
+                .UseIISIntegration()
+                .UseUrls(url)
+                .Configure(app =>
+                {
+                    app.Run(async context =>
+                    {
+                        context.Response.StatusCode = statusCode;
+                        await context.Response.WriteAsync(responseBody);
+                    });
+                })
+                .Build();
+
+            _builder.Start();
+        }
+
+        private void WhenIGetUrlOnTheApiGateway(string url)
+        {
+            _response = _client.GetAsync(url).Result;
+        }
+
+        private void WhenIPostUrlOnTheApiGateway(string url)
+        {
+            _response = _client.PostAsync(url, _postContent).Result;
+        }
+
+        private void ThenTheStatusCodeShouldBe(HttpStatusCode expectedHttpStatusCode)
+        {
+            _response.StatusCode.ShouldBe(expectedHttpStatusCode);
+        }
+
+        private void ThenTheResponseBodyShouldBe(string expectedBody)
+        {
+            _response.Content.ReadAsStringAsync().Result.ShouldBe(expectedBody);
+        }
+
+        public void Dispose()
+        {
+            _builder?.Dispose();
+            _client.Dispose();
+            _server.Dispose();
+        }
+    }
+}