added a base url finder

.vscode/launch.json

@@ -0,0 +1,49 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": ".NET Core Launch (console)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            "program": "${workspaceRoot}/bin/Debug/<target-framework>/<project-name.dll>",
+            "args": [],
+            "cwd": "${workspaceRoot}",
+            "stopAtEntry": false,
+            "externalConsole": false
+        },
+        {
+            "name": ".NET Core Launch (web)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            "program": "${workspaceRoot}/src/Ocelot/bin/Debug/netcoreapp1.0/Ocelot.dll",
+            "args": [],
+            "cwd": "${workspaceRoot}",
+            "stopAtEntry": false,
+            "launchBrowser": {
+                "enabled": true,
+                "args": "${auto-detect-url}",
+                "windows": {
+                    "command": "cmd.exe",
+                    "args": "/C start ${auto-detect-url}"
+                },
+                "osx": {
+                    "command": "open"
+                },
+                "linux": {
+                    "command": "xdg-open"
+                }
+            },
+            "env": {
+                "ASPNETCORE_ENVIRONMENT": "Development"
+            }
+        },
+        {
+            "name": ".NET Core Attach",
+            "type": "coreclr",
+            "request": "attach",
+            "processId": 0
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,17 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "0.1.0",
+    "command": "dotnet",
+    "isShellCommand": true,
+    "args": [],
+    "tasks": [
+        {
+            "taskName": "build",
+            "args": [ ],
+            "isBuildCommand": true,
+            "showOutput": "silent",
+            "problemMatcher": "$msCompile"
+        }
+    ]
+}

src/Ocelot.Library/Infrastructure/BaseUrlRepository/BaseUrlMap.cs

@@ -0,0 +1,14 @@
+namespace Ocelot.Library.Infrastructure.BaseUrlRepository
+{
+    public class BaseUrlMap
+    {
+        public BaseUrlMap(string downstreamBaseUrl, string upstreamBaseUrl)
+        {
+            DownstreamBaseUrl = downstreamBaseUrl;
+            UpstreamBaseUrl = upstreamBaseUrl;
+        }
+
+        public string DownstreamBaseUrl {get;private set;}
+        public string UpstreamBaseUrl {get;private set;}
+    }
+}

src/Ocelot.Library/Infrastructure/BaseUrlRepository/BaseUrlMapKeyAlreadyExists.cs

@@ -0,0 +1,12 @@
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.BaseUrlRepository
+{
+    public class BaseUrlMapKeyAlreadyExists : Error
+    {
+        public BaseUrlMapKeyAlreadyExists() 
+            : base("This key has already been used")
+        {
+        }
+    }
+}

src/Ocelot.Library/Infrastructure/BaseUrlRepository/BaseUrlMapKeyDoesNotExist.cs

@@ -0,0 +1,12 @@
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.BaseUrlRepository
+{
+    public class BaseUrlMapKeyDoesNotExist : Error
+    {
+        public BaseUrlMapKeyDoesNotExist() 
+            : base("This key does not exist")
+        {
+        }
+    }
+}

src/Ocelot.Library/Infrastructure/BaseUrlRepository/IBaseUrlMapRepository.cs

@@ -0,0 +1,10 @@
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.BaseUrlRepository
+{
+    public interface IBaseUrlMapRepository
+    {
+        Response AddBaseUrlMap(BaseUrlMap baseUrlMap);
+        Response<BaseUrlMap> GetBaseUrlMap(string downstreamUrl);
+    }
+} 

src/Ocelot.Library/Infrastructure/BaseUrlRepository/InMemoryBaseUrlMapRepository.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.BaseUrlRepository
+{
+    public class InMemoryBaseUrlMapRepository : IBaseUrlMapRepository
+    { 
+        private readonly Dictionary<string, string> _routes;
+        public InMemoryBaseUrlMapRepository()
+        {
+            _routes = new Dictionary<string,string>();
+        }
+        public Response AddBaseUrlMap(BaseUrlMap baseUrlMap)
+        {
+            if(_routes.ContainsKey(baseUrlMap.DownstreamBaseUrl)) 
+            {
+                return new ErrorResponse(new List<Error>(){new BaseUrlMapKeyAlreadyExists()});
+            }
+
+            _routes.Add(baseUrlMap.DownstreamBaseUrl, baseUrlMap.UpstreamBaseUrl);
+
+            return new OkResponse();
+        }
+
+        public Response<BaseUrlMap> GetBaseUrlMap(string downstreamUrl)
+        {
+            string upstreamUrl = null;
+
+            if(_routes.TryGetValue(downstreamUrl, out upstreamUrl))
+            {
+                return new OkResponse<BaseUrlMap>(new BaseUrlMap(downstreamUrl, upstreamUrl));
+            }
+    
+            return new ErrorResponse<BaseUrlMap>(new List<Error>(){new BaseUrlMapKeyDoesNotExist()});
+        } 
+    } 
+}

src/Ocelot.Library/Infrastructure/Router/UpstreamRouter/IUpstreamRouter.cs

@@ -1,10 +0,0 @@
-using Ocelot.Library.Infrastructure.Responses;
-
-namespace Ocelot.Library.Infrastructure.Router.UpstreamRouter
-{
-    public interface IUpstreamRouter
-    {
-        Response AddRoute(string downstreamUrl, string upstreamUrl);
-        Response<Route> GetRoute(string downstreamUrl);
-    }
-} 

src/Ocelot.Library/Infrastructure/Router/UpstreamRouter/InMemoryUpstreamRouter.cs

@@ -1,38 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Ocelot.Library.Infrastructure.Responses;
-
-namespace Ocelot.Library.Infrastructure.Router.UpstreamRouter
-{
-    public class InMemoryUpstreamRouter : IUpstreamRouter
-    { 
-        private readonly Dictionary<string, string> _routes;
-        public InMemoryUpstreamRouter()
-        {
-            _routes = new Dictionary<string,string>();
-        }
-        public Response AddRoute(string downstreamUrl, string upstreamUrl)
-        {
-            if(_routes.ContainsKey(downstreamUrl)) 
-            {
-                return new ErrorResponse(new List<Error>(){new RouteKeyAlreadyExists()});
-            }
-
-            _routes.Add(downstreamUrl, upstreamUrl);
-
-            return new OkResponse();
-        }
-
-        public Response<Route> GetRoute(string downstreamUrl)
-        {
-            string upstreamUrl = null;
-
-            if(_routes.TryGetValue(downstreamUrl, out upstreamUrl))
-            {
-                return new OkResponse<Route>(new Route(downstreamUrl, upstreamUrl));
-            }
-    
-            return new ErrorResponse<Route>(new List<Error>(){new RouteKeyDoesNotExist()});
-        } 
-    } 
-}

src/Ocelot.Library/Infrastructure/Router/UpstreamRouter/Route.cs

@@ -1,14 +0,0 @@
-namespace Ocelot.Library.Infrastructure.Router.UpstreamRouter
-{
-    public class Route
-    {
-        public Route(string downstreamUrl, string upstreamUrl)
-        {
-            DownstreamUrl = downstreamUrl;
-            UpstreamUrl = upstreamUrl;
-        }
-
-        public string DownstreamUrl {get;private set;}
-        public string UpstreamUrl {get;private set;}
-    }
-}

src/Ocelot.Library/Infrastructure/Router/UpstreamRouter/RouteKeyAlreadyExists.cs

@@ -1,12 +0,0 @@
-using Ocelot.Library.Infrastructure.Responses;
-
-namespace Ocelot.Library.Infrastructure.Router.UpstreamRouter
-{
-    public class RouteKeyAlreadyExists : Error
-    {
-        public RouteKeyAlreadyExists() 
-            : base("This key has already been used")
-        {
-        }
-    }
-}

src/Ocelot.Library/Infrastructure/Router/UpstreamRouter/RouteKeyDoesNotExist.cs

@@ -1,12 +0,0 @@
-using Ocelot.Library.Infrastructure.Responses;
-
-namespace Ocelot.Library.Infrastructure.Router.UpstreamRouter
-{
-    public class RouteKeyDoesNotExist : Error
-    {
-        public RouteKeyDoesNotExist() 
-            : base("This key does not exist")
-        {
-        }
-    }
-}

src/Ocelot.Library/Infrastructure/Router/UrlPathRouter/IUrlPathRouter.cs

@@ -1,10 +0,0 @@
-using Ocelot.Library.Infrastructure.Responses;
-
-namespace Ocelot.Library.Infrastructure.Router.UrlPathRouter
-{
-    public interface IUrlPathRouter
-    {
-        Response AddRoute(string downstreamUrlPathTemplate, string upstreamUrlPathTemplate);
-        Response<UrlPath> GetRoute(string downstreamUrlPathTemplate);
-    }
-}  

src/Ocelot.Library/Infrastructure/Router/UrlPathRouter/InMemoryUrlPathRouter.cs

@@ -1,38 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Ocelot.Library.Infrastructure.Responses;
-
-namespace Ocelot.Library.Infrastructure.Router.UrlPathRouter
-{
-    public class InMemoryUrlPathRouter : IUrlPathRouter
-    { 
-        private readonly Dictionary<string, string> _routes;
-        public InMemoryUrlPathRouter()
-        {
-            _routes = new Dictionary<string,string>();
-        }
-        public Response AddRoute(string downstreamUrlPathTemplate, string upstreamUrlPathTemplate)
-        {
-            if(_routes.ContainsKey(downstreamUrlPathTemplate))
-            {
-                return new ErrorResponse(new List<Error>(){new DownstreamUrlPathTemplateAlreadyExists()});
-            }
-
-            _routes.Add(downstreamUrlPathTemplate, upstreamUrlPathTemplate);
-
-            return new OkResponse();
-        }
-
-        public Response<UrlPath> GetRoute(string downstreamUrlPathTemplate)
-        {
-            string upstreamUrlPathTemplate = null;
-
-            if(_routes.TryGetValue(downstreamUrlPathTemplate, out upstreamUrlPathTemplate))
-            {
-                return new OkResponse<UrlPath>(new UrlPath(downstreamUrlPathTemplate, upstreamUrlPathTemplate));
-            }
-
-            return new ErrorResponse<UrlPath>(new List<Error>(){new DownstreamUrlPathTemplateDoesNotExist()});
-        } 
-    } 
-}

src/Ocelot.Library/Infrastructure/UrlFinder/IUpstreamBaseUrlFinder.cs

@@ -0,0 +1,9 @@
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.UrlFinder
+{
+    public interface IUpstreamBaseUrlFinder
+    {
+        Response<string> FindUpstreamBaseUrl(string downstreamBaseUrl);
+    }
+}

src/Ocelot.Library/Infrastructure/UrlFinder/UpstreamBaseUrlFinder.cs

@@ -0,0 +1,22 @@
+using System;
+using Ocelot.Library.Infrastructure.BaseUrlRepository;
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.UrlFinder
+{
+    public class UpstreamBaseUrlFinder : IUpstreamBaseUrlFinder
+    {
+        private readonly IBaseUrlMapRepository _baseUrlMapRepository;
+
+        public UpstreamBaseUrlFinder(IBaseUrlMapRepository baseUrlMapRepository)
+        {
+            _baseUrlMapRepository = baseUrlMapRepository;
+        }
+        public Response<string> FindUpstreamBaseUrl(string downstreamBaseUrl)
+        {                                            
+            var baseUrl = _baseUrlMapRepository.GetBaseUrlMap(downstreamBaseUrl);
+
+            return new OkResponse<string>(baseUrl.Data.UpstreamBaseUrl);
+        }
+    }
+}

src/Ocelot.Library/Infrastructure/UrlPathMatcher/IUrlPathToUrlPathTemplateMatcher.cs

@@ -1,4 +1,4 @@
-namespace Ocelot.Library.Infrastructure.Router.UrlPathMatcher
+namespace Ocelot.Library.Infrastructure.UrlPathMatcher
 {
      public interface IUrlPathToUrlPathTemplateMatcher
      {

src/Ocelot.Library/Infrastructure/UrlPathMatcher/UrlPathToUrlPathTemplateMatcher.cs

@@ -1,4 +1,4 @@
-namespace Ocelot.Library.Infrastructure.Router.UrlPathMatcher
+namespace Ocelot.Library.Infrastructure.UrlPathMatcher
 {
      public class UrlPathToUrlPathTemplateMatcher : IUrlPathToUrlPathTemplateMatcher
     {

src/Ocelot.Library/Infrastructure/UrlPathRepository/DownstreamUrlPathAlreadyExists.cs

@@ -1,6 +1,6 @@
 using Ocelot.Library.Infrastructure.Responses;
 
-namespace Ocelot.Library.Infrastructure.Router.UrlPathRouter
+namespace Ocelot.Library.Infrastructure.UrlPathRepository
 {
     public class DownstreamUrlPathTemplateAlreadyExists : Error
     {

src/Ocelot.Library/Infrastructure/UrlPathRepository/DownstreamUrlPathDoesNotExist.cs

@@ -1,6 +1,6 @@
 using Ocelot.Library.Infrastructure.Responses;
 
-namespace Ocelot.Library.Infrastructure.Router.UrlPathRouter
+namespace Ocelot.Library.Infrastructure.UrlPathRepository
 {
     public class DownstreamUrlPathTemplateDoesNotExist : Error
     {

src/Ocelot.Library/Infrastructure/UrlPathTemplateRepository/DownstreamUrlPathAlreadyExists.cs

@@ -0,0 +1,12 @@
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.UrlPathTemplateRepository
+{
+    public class DownstreamUrlPathTemplateAlreadyExists : Error
+    {
+        public DownstreamUrlPathTemplateAlreadyExists() 
+            : base("This key has already been used")
+        {
+        }
+    }
+}

src/Ocelot.Library/Infrastructure/UrlPathTemplateRepository/DownstreamUrlPathDoesNotExist.cs

@@ -0,0 +1,12 @@
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.UrlPathTemplateRepository
+{
+    public class DownstreamUrlPathTemplateDoesNotExist : Error
+    {
+        public DownstreamUrlPathTemplateDoesNotExist() 
+            : base("This key does not exist")
+        {
+        }
+    }
+}

src/Ocelot.Library/Infrastructure/UrlPathTemplateRepository/IUrlPathTemplateMapRepository.cs

@@ -0,0 +1,10 @@
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.UrlPathTemplateRepository
+{
+    public interface IUrlPathTemplateMapRepository
+    {
+        Response AddUrlPathTemplateMap(UrlPathTemplateMap urlPathMap);
+        Response<UrlPathTemplateMap> GetUrlPathTemplateMap(string downstreamUrlPathTemplate);
+    }
+}   

src/Ocelot.Library/Infrastructure/UrlPathTemplateRepository/InMemoryUrlPathTemplateMapRepository.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using Ocelot.Library.Infrastructure.Responses;
+
+namespace Ocelot.Library.Infrastructure.UrlPathTemplateRepository
+{
+    public class InMemoryUrlPathTemplateMapRepository : IUrlPathTemplateMapRepository
+    { 
+        private readonly Dictionary<string, string> _routes;
+        public InMemoryUrlPathTemplateMapRepository()
+        {
+            _routes = new Dictionary<string,string>();
+        }
+        public Response AddUrlPathTemplateMap(UrlPathTemplateMap urlPathMap)
+        {
+            if(_routes.ContainsKey(urlPathMap.DownstreamUrlPathTemplate))
+            {
+                return new ErrorResponse(new List<Error>(){new DownstreamUrlPathTemplateAlreadyExists()});
+            }
+
+            _routes.Add(urlPathMap.DownstreamUrlPathTemplate, urlPathMap.UpstreamUrlPathTemplate);
+
+            return new OkResponse();
+        }
+
+        public Response<UrlPathTemplateMap> GetUrlPathTemplateMap(string downstreamUrlPathTemplate)
+        {
+            string upstreamUrlPathTemplate = null;
+
+            if(_routes.TryGetValue(downstreamUrlPathTemplate, out upstreamUrlPathTemplate))
+            {
+                return new OkResponse<UrlPathTemplateMap>(new UrlPathTemplateMap(downstreamUrlPathTemplate, upstreamUrlPathTemplate));
+            }
+
+            return new ErrorResponse<UrlPathTemplateMap>(new List<Error>(){new DownstreamUrlPathTemplateDoesNotExist()});
+        } 
+    } 
+}

src/Ocelot.Library/Infrastructure/UrlPathTemplateRepository/UrlPathTemplateMap.cs

@@ -1,8 +1,8 @@
-namespace Ocelot.Library.Infrastructure.Router.UrlPathRouter
+namespace Ocelot.Library.Infrastructure.UrlPathTemplateRepository
 {
-    public class UrlPath
+    public class UrlPathTemplateMap
     {
-        public UrlPath(string downstreamUrlPathTemplate, string upstreamUrlPathTemplate)
+        public UrlPathTemplateMap(string downstreamUrlPathTemplate, string upstreamUrlPathTemplate)
         {
             DownstreamUrlPathTemplate = downstreamUrlPathTemplate;
             UpstreamUrlPathTemplate = upstreamUrlPathTemplate;

test/Ocelot.UnitTests/BaseUrlMapRepositoryTests.cs

@@ -1,28 +1,28 @@
 using Ocelot.Library.Infrastructure.Responses;
-using Ocelot.Library.Infrastructure.Router.UpstreamRouter;
+using Ocelot.Library.Infrastructure.BaseUrlRepository;
 using Shouldly;
 using Xunit;
 
 namespace Ocelot.UnitTests
 {
-    public class RouterTests
+    public class BaseUrlMapRepositoryTests
     {
-        private string _upstreamApiUrl;
-        private string _apiKey;
-        private IUpstreamRouter _router;
+        private string _upstreamBaseUrl;
+        private string _downstreamBaseUrl;
+        private IBaseUrlMapRepository _repository;
         private Response _response;
-        private Response<Route> _getRouteResponse;
+        private Response<BaseUrlMap> _getRouteResponse;
  
-        public RouterTests() 
+        public BaseUrlMapRepositoryTests() 
         {
-            _router = new InMemoryUpstreamRouter();
+            _repository = new InMemoryBaseUrlMapRepository();
         }
 
         [Fact]
         public void can_add_route()
         {
-            GivenIHaveAnUpstreamApi("http://www.someapi.com/api1");
-            GivenIWantToRouteRequestsToMyUpstreamApi("api");
+            GivenIHaveAnUpstreamBaseUrl("www.someapi.com");
+            GivenIWantToRouteRequestsFromMyDownstreamBaseUrl("api");
             WhenIAddTheConfiguration();
             ThenTheResponseIsSuccesful();
         }
@@ -30,7 +30,7 @@ namespace Ocelot.UnitTests
         [Fact]
         public void can_get_route_by_key()
         {
-            GivenIHaveSetUpAnApiKeyAndUpstreamUrl("api2", "http://www.someapi.com/api2");
+            GivenIHaveSetUpAnApiKeyAndUpstreamUrl("api2", "www.someapi.com");
             WhenIRetrieveTheRouteByKey();
             ThenTheRouteIsReturned();
         }
@@ -38,7 +38,7 @@ namespace Ocelot.UnitTests
         [Fact]
         public void should_return_error_response_when_key_already_used()
         {
-            GivenIHaveSetUpAnApiKeyAndUpstreamUrl("api2", "http://www.someapi.com/api2");
+            GivenIHaveSetUpAnApiKeyAndUpstreamUrl("api2", "www.someapi.com");
             WhenITryToUseTheSameKey();
             ThenTheKeyHasAlreadyBeenUsed();
         }
@@ -46,7 +46,7 @@ namespace Ocelot.UnitTests
         [Fact]
         public void should_return_error_response_if_key_doesnt_exist()
         {
-            GivenIWantToRouteRequestsToMyUpstreamApi("api");
+            GivenIWantToRouteRequestsFromMyDownstreamBaseUrl("api");
             WhenIRetrieveTheRouteByKey();
             ThenTheKeyDoesNotExist();
         }
@@ -66,41 +66,41 @@ namespace Ocelot.UnitTests
         private void ThenTheKeyDoesNotExist()
         {
             _getRouteResponse.ShouldNotBeNull();
-            _getRouteResponse.ShouldBeOfType<ErrorResponse<Route>>();
+            _getRouteResponse.ShouldBeOfType<ErrorResponse<BaseUrlMap>>();
             _getRouteResponse.Errors[0].Message.ShouldBe("This key does not exist");
         }
 
         private void WhenIRetrieveTheRouteByKey()
         {
-            _getRouteResponse = _router.GetRoute(_apiKey);
+            _getRouteResponse = _repository.GetBaseUrlMap(_downstreamBaseUrl);
         }
 
         private void ThenTheRouteIsReturned()
         {
-            _getRouteResponse.Data.DownstreamUrl.ShouldBe(_apiKey);
-            _getRouteResponse.Data.UpstreamUrl.ShouldBe(_upstreamApiUrl);
+            _getRouteResponse.Data.DownstreamBaseUrl.ShouldBe(_downstreamBaseUrl);
+            _getRouteResponse.Data.UpstreamBaseUrl.ShouldBe(_upstreamBaseUrl);
         }
 
         private void GivenIHaveSetUpAnApiKeyAndUpstreamUrl(string apiKey, string upstreamUrl)
         {
-            GivenIHaveAnUpstreamApi(upstreamUrl);
-            GivenIWantToRouteRequestsToMyUpstreamApi(apiKey);
+            GivenIHaveAnUpstreamBaseUrl(upstreamUrl);
+            GivenIWantToRouteRequestsFromMyDownstreamBaseUrl(apiKey);
             WhenIAddTheConfiguration();
         }
 
-        private void GivenIHaveAnUpstreamApi(string upstreamApiUrl)
+        private void GivenIHaveAnUpstreamBaseUrl(string upstreamApiUrl)
         {
-            _upstreamApiUrl = upstreamApiUrl;
+            _upstreamBaseUrl = upstreamApiUrl;
         }
 
-        private void GivenIWantToRouteRequestsToMyUpstreamApi(string apiKey)
+        private void GivenIWantToRouteRequestsFromMyDownstreamBaseUrl(string downstreamBaseUrl)
         {
-            _apiKey = apiKey;
+            _downstreamBaseUrl = downstreamBaseUrl;
         }
 
         private void WhenIAddTheConfiguration()
         {
-            _response = _router.AddRoute(_apiKey, _upstreamApiUrl);
+            _response = _repository.AddBaseUrlMap(new BaseUrlMap(_downstreamBaseUrl, _upstreamBaseUrl));
         }
 
         private void ThenTheResponseIsSuccesful()

test/Ocelot.UnitTests/UpstreamBaseUrlFinderTests.cs

@@ -0,0 +1,53 @@
+using Ocelot.Library.Infrastructure.BaseUrlRepository;
+using Ocelot.Library.Infrastructure.UrlFinder;
+using Ocelot.Library.Infrastructure.Responses;
+using Xunit;
+using Shouldly;
+using System;
+
+namespace Ocelot.UnitTests
+{
+    public class UpstreamBaseUrlFinderTests
+    {
+        private IUpstreamBaseUrlFinder _upstreamBaseUrlFinder;
+        private IBaseUrlMapRepository _baseUrlMapRepository;
+        private string _downstreamBaseUrl;
+        private Response<string> _result;
+        public UpstreamBaseUrlFinderTests()
+        {            
+            _baseUrlMapRepository = new InMemoryBaseUrlMapRepository();
+            _upstreamBaseUrlFinder = new UpstreamBaseUrlFinder(_baseUrlMapRepository);
+        }
+
+        [Fact]
+        public void can_find_base_url()
+        {
+            GivenTheBaseUrlMapExists(new BaseUrlMap("api.tom.com", "api.laura.com"));
+            GivenTheDownstreamBaseUrlIs("api.tom.com");
+            WhenIFindTheMatchingUpstreamBaseUrl();
+            ThenTheFollowingIsReturned("api.laura.com");
+        }
+
+        private void GivenTheBaseUrlMapExists(BaseUrlMap baseUrlMap)
+        {
+            _baseUrlMapRepository.AddBaseUrlMap(baseUrlMap);
+
+        }
+
+        private void GivenTheDownstreamBaseUrlIs(string downstreamBaseUrl)
+        {
+            _downstreamBaseUrl = downstreamBaseUrl;
+        }
+
+        private void WhenIFindTheMatchingUpstreamBaseUrl()
+        {
+            _result = _upstreamBaseUrlFinder.FindUpstreamBaseUrl(_downstreamBaseUrl);
+
+        }
+
+        private void ThenTheFollowingIsReturned(string expectedBaseUrl)
+        {
+            _result.Data.ShouldBe(expectedBaseUrl);
+        }
+    }
+}

test/Ocelot.UnitTests/UrlPathTemplateMapRepositoryTests.cs

@@ -1,28 +1,28 @@
 using Ocelot.Library.Infrastructure.Responses;
-using Ocelot.Library.Infrastructure.Router.UrlPathRouter;
+using Ocelot.Library.Infrastructure.UrlPathTemplateRepository;
 using Shouldly;
 using Xunit;
 
 namespace Ocelot.UnitTests
 {
-    public class UrlPathRouterTests
+    public class UrlPathTemplateMapRepositoryTests
     {
         private string _upstreamUrlPath; 
         private string _downstreamUrlPath;
-        private IUrlPathRouter _router;
+        private IUrlPathTemplateMapRepository _repository;
         private Response _response;
-        private Response<UrlPath> _getResponse;
+        private Response<UrlPathTemplateMap> _getResponse;
 
-        public UrlPathRouterTests() 
+        public UrlPathTemplateMapRepositoryTests() 
         {
-            _router = new InMemoryUrlPathRouter();
+            _repository = new InMemoryUrlPathTemplateMapRepository();
         }
 
         [Fact]
         public void can_add_url_path()
         {
-            GivenIHaveAnUpstreamUrlPath("api/products/products/{productId}");
-            GivenIWantToRouteRequestsToMyUpstreamUrlPath("api/products/{productId}");
+            GivenIHaveAnUpstreamUrlPath("/api/products/products/{productId}");
+            GivenIWantToRouteRequestsToMyUpstreamUrlPath("/api/products/{productId}");
             WhenIAddTheConfiguration();
             ThenTheResponseIsSuccesful();
         }
@@ -30,7 +30,7 @@ namespace Ocelot.UnitTests
         [Fact]
         public void can_get_url_path()
         {
-            GivenIHaveSetUpADownstreamUrlPathAndAnUpstreamUrlPath("api2", "http://www.someapi.com/api2");
+            GivenIHaveSetUpADownstreamUrlPathAndAnUpstreamUrlPath("/api2", "http://www.someapi.com/api2");
             WhenIRetrieveTheUrlPathByDownstreamUrl();
             ThenTheUrlPathIsReturned();
         }
@@ -38,7 +38,7 @@ namespace Ocelot.UnitTests
         [Fact]
         public void should_return_error_response_when_url_path_already_used()
         {
-            GivenIHaveSetUpADownstreamUrlPathAndAnUpstreamUrlPath("api2", "http://www.someapi.com/api2");
+            GivenIHaveSetUpADownstreamUrlPathAndAnUpstreamUrlPath("/api2", "http://www.someapi.com/api2");
             WhenITryToUseTheSameDownstreamUrl();
             ThenTheDownstreamUrlAlreadyBeenUsed();
         }
@@ -46,7 +46,7 @@ namespace Ocelot.UnitTests
         [Fact]
         public void should_return_error_response_if_key_doesnt_exist()
         {
-            GivenIWantToRouteRequestsToMyUpstreamUrlPath("api");
+            GivenIWantToRouteRequestsToMyUpstreamUrlPath("/api");
             WhenIRetrieveTheUrlPathByDownstreamUrl();
             ThenTheKeyDoesNotExist();
         }
@@ -66,13 +66,13 @@ namespace Ocelot.UnitTests
         private void ThenTheKeyDoesNotExist()
         {
             _getResponse.ShouldNotBeNull();
-            _getResponse.ShouldBeOfType<ErrorResponse<UrlPath>>();
+            _getResponse.ShouldBeOfType<ErrorResponse<UrlPathTemplateMap>>();
             _getResponse.Errors[0].Message.ShouldBe("This key does not exist");
         }
 
         private void WhenIRetrieveTheUrlPathByDownstreamUrl()
         {
-            _getResponse = _router.GetRoute(_downstreamUrlPath);
+            _getResponse = _repository.GetUrlPathTemplateMap(_downstreamUrlPath);
         }
 
         private void ThenTheUrlPathIsReturned()
@@ -100,7 +100,7 @@ namespace Ocelot.UnitTests
 
         private void WhenIAddTheConfiguration()
         {
-            _response = _router.AddRoute(_downstreamUrlPath, _upstreamUrlPath);
+            _response = _repository.AddUrlPathTemplateMap(new UrlPathTemplateMap(_downstreamUrlPath, _upstreamUrlPath));
         }
 
         private void ThenTheResponseIsSuccesful()

test/Ocelot.UnitTests/UrlPathToUrlPathTemplateMatcherTests.cs

@@ -1,7 +1,4 @@
-using System;
-using Ocelot.Library.Infrastructure.Responses;
-using Ocelot.Library.Infrastructure.Router.UpstreamRouter;
-using Ocelot.Library.Infrastructure.Router.UrlPathMatcher;
+using Ocelot.Library.Infrastructure.UrlPathMatcher;
 using Shouldly;
 using Xunit;