added acceptance test for calling reroutes controller

test/Ocelot.AcceptanceTests/AdministrationTests.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Ocelot.Configuration.File;
+using TestStack.BDDfy;
+using Xunit;
+
+namespace Ocelot.AcceptanceTests
+{
+    public class AdministrationTests : IDisposable
+    {
+        private IWebHost _builder;
+        private readonly Steps _steps;
+
+        public AdministrationTests()
+        {
+            _steps = new Steps();
+        }
+
+        [Fact]
+        public void should_return_response_200_with_call_re_routes_controller()
+        {
+            var configuration = new FileConfiguration
+            {
+                GlobalConfiguration = new FileGlobalConfiguration
+                {
+                    AdministrationPath = "/administration"
+                }
+            };
+
+            this.Given(x => _steps.GivenThereIsAConfiguration(configuration))
+                .And(x => _steps.GivenOcelotIsRunning())
+                .When(x => _steps.WhenIGetUrlOnTheApiGateway("/administration/reroutes"))
+                .Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
+                .BDDfy();
+        }
+
+        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();
+        }
+
+        public void Dispose()
+        {
+            _builder?.Dispose();
+            _steps.Dispose();
+        }
+    }
+}