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Feature/issue 209 upstream host based routing (#216)
* from messing around at lunch...initial hacking seems to sort of work..need to think of all the test scenarios * drunken train hacking * docs for upstreamhost
This commit is contained in:
Tom Pallister
290
test/Ocelot.AcceptanceTests/UpstreamHostTests.cs
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290
test/Ocelot.AcceptanceTests/UpstreamHostTests.cs
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@ -0,0 +1,290 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Net;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Http;
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using Ocelot.Configuration.File;
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using Shouldly;
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using TestStack.BDDfy;
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using Xunit;
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namespace Ocelot.AcceptanceTests
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{
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public class UpstreamHostTests : IDisposable
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{
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private IWebHost _builder;
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private readonly Steps _steps;
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private string _downstreamPath;
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public UpstreamHostTests()
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{
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_steps = new Steps();
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}
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[Fact]
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public void should_return_response_200_with_simple_url_and_hosts_match()
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{
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var configuration = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamPathTemplate = "/",
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DownstreamScheme = "http",
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "localhost",
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Port = 51879,
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}
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},
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UpstreamPathTemplate = "/",
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UpstreamHttpMethod = new List<string> { "Get" },
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UpstreamHost = "localhost"
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}
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}
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};
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this.Given(x => x.GivenThereIsAServiceRunningOn("http://localhost:51879", "/", 200, "Hello from Laura"))
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.And(x => _steps.GivenThereIsAConfiguration(configuration))
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.And(x => _steps.GivenOcelotIsRunning())
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.When(x => _steps.WhenIGetUrlOnTheApiGateway("/"))
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.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
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.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
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.BDDfy();
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}
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[Fact]
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public void should_return_response_200_with_simple_url_and_hosts_match_multiple_re_routes()
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{
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var configuration = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamPathTemplate = "/",
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DownstreamScheme = "http",
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "localhost",
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Port = 51879,
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}
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},
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UpstreamPathTemplate = "/",
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UpstreamHttpMethod = new List<string> { "Get" },
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UpstreamHost = "localhost"
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},
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new FileReRoute
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{
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DownstreamPathTemplate = "/",
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DownstreamScheme = "http",
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "localhost",
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Port = 50000,
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}
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},
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UpstreamPathTemplate = "/",
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UpstreamHttpMethod = new List<string> { "Get" },
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UpstreamHost = "DONTMATCH"
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}
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}
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};
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this.Given(x => x.GivenThereIsAServiceRunningOn("http://localhost:51879", "/", 200, "Hello from Laura"))
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.And(x => _steps.GivenThereIsAConfiguration(configuration))
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.And(x => _steps.GivenOcelotIsRunning())
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.When(x => _steps.WhenIGetUrlOnTheApiGateway("/"))
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.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
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.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
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.BDDfy();
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}
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[Fact]
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public void should_return_response_200_with_simple_url_and_hosts_match_multiple_re_routes_reversed()
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{
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var configuration = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamPathTemplate = "/",
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DownstreamScheme = "http",
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "localhost",
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Port = 50000,
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}
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},
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UpstreamPathTemplate = "/",
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UpstreamHttpMethod = new List<string> { "Get" },
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UpstreamHost = "DONTMATCH"
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},
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new FileReRoute
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{
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DownstreamPathTemplate = "/",
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DownstreamScheme = "http",
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "localhost",
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Port = 51879,
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}
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},
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UpstreamPathTemplate = "/",
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UpstreamHttpMethod = new List<string> { "Get" },
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UpstreamHost = "localhost"
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}
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}
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};
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this.Given(x => x.GivenThereIsAServiceRunningOn("http://localhost:51879", "/", 200, "Hello from Laura"))
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.And(x => _steps.GivenThereIsAConfiguration(configuration))
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.And(x => _steps.GivenOcelotIsRunning())
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.When(x => _steps.WhenIGetUrlOnTheApiGateway("/"))
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.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
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.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
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.BDDfy();
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}
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[Fact]
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public void should_return_response_200_with_simple_url_and_hosts_match_multiple_re_routes_reversed_with_no_host_first()
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{
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var configuration = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamPathTemplate = "/",
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DownstreamScheme = "http",
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "localhost",
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Port = 50000,
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}
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},
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UpstreamPathTemplate = "/",
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UpstreamHttpMethod = new List<string> { "Get" },
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},
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new FileReRoute
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{
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DownstreamPathTemplate = "/",
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DownstreamScheme = "http",
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "localhost",
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Port = 51879,
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}
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},
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UpstreamPathTemplate = "/",
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UpstreamHttpMethod = new List<string> { "Get" },
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UpstreamHost = "localhost"
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}
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}
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};
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this.Given(x => x.GivenThereIsAServiceRunningOn("http://localhost:51879", "/", 200, "Hello from Laura"))
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.And(x => _steps.GivenThereIsAConfiguration(configuration))
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.And(x => _steps.GivenOcelotIsRunning())
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.When(x => _steps.WhenIGetUrlOnTheApiGateway("/"))
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.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
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.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
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.BDDfy();
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}
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[Fact]
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public void should_return_response_404_with_simple_url_and_hosts_dont_match()
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{
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var configuration = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamPathTemplate = "/",
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DownstreamScheme = "http",
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "localhost",
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Port = 51879,
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}
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},
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UpstreamPathTemplate = "/",
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UpstreamHttpMethod = new List<string> { "Get" },
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UpstreamHost = "127.0.0.20:5000"
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}
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}
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};
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this.Given(x => x.GivenThereIsAServiceRunningOn("http://localhost:51879", "/", 200, "Hello from Laura"))
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.And(x => _steps.GivenThereIsAConfiguration(configuration))
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.And(x => _steps.GivenOcelotIsRunning())
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.When(x => _steps.WhenIGetUrlOnTheApiGateway("/"))
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.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.NotFound))
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.BDDfy();
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}
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private void GivenThereIsAServiceRunningOn(string baseUrl, string basePath, int statusCode, string responseBody)
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{
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_builder = new WebHostBuilder()
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.UseUrls(baseUrl)
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.UseKestrel()
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.UseContentRoot(Directory.GetCurrentDirectory())
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.UseIISIntegration()
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.Configure(app =>
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{
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app.UsePathBase(basePath);
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app.Run(async context =>
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{
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_downstreamPath = !string.IsNullOrEmpty(context.Request.PathBase.Value) ? context.Request.PathBase.Value : context.Request.Path.Value;
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if(_downstreamPath != basePath)
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{
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context.Response.StatusCode = statusCode;
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await context.Response.WriteAsync("downstream path didnt match base path");
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}
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else
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{
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context.Response.StatusCode = statusCode;
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await context.Response.WriteAsync(responseBody);
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}
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});
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})
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.Build();
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_builder.Start();
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}
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internal void ThenTheDownstreamUrlPathShouldBe(string expectedDownstreamPath)
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{
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_downstreamPath.ShouldBe(expectedDownstreamPath);
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}
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public void Dispose()
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{
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_builder?.Dispose();
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_steps.Dispose();
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}
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}
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}
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