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Made changes based on PR comments. Also added lots more tests!
This commit is contained in:
Philip Wood
258
test/Ocelot.UnitTests/Request/Mapper/RequestMapperTests.cs
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258
test/Ocelot.UnitTests/Request/Mapper/RequestMapperTests.cs
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namespace Ocelot.UnitTests.Request.Mapper
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{
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Http;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Http.Internal;
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using Microsoft.Extensions.Primitives;
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using Ocelot.Request.Mapper;
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using Ocelot.Responses;
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using TestStack.BDDfy;
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using Xunit;
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using Shouldly;
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using System;
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using System.IO;
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using System.Text;
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public class RequestMapperTests
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{
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readonly HttpRequest _inputRequest;
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readonly RequestMapper _requestMapper;
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Response<HttpRequestMessage> _mappedRequest;
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List<KeyValuePair<string, StringValues>> _inputHeaders = null;
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public RequestMapperTests()
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{
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_inputRequest = new DefaultHttpRequest(new DefaultHttpContext());
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_requestMapper = new RequestMapper();
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}
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[Theory]
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[InlineData("https", "my.url:123", "/abc/DEF", "?a=1&b=2", "https://my.url:123/abc/DEF?a=1&b=2")]
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[InlineData("http", "blah.com", "/d ef", "?abc=123", "http://blah.com/d%20ef?abc=123")] // note! the input is encoded when building the input request
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[InlineData("http", "myusername:mypassword@abc.co.uk", null, null, "http://myusername:mypassword@abc.co.uk/")]
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[InlineData("http", "點看.com", null, null, "http://xn--c1yn36f.com/")]
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[InlineData("http", "xn--c1yn36f.com", null, null, "http://xn--c1yn36f.com/")]
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public void Should_map_valid_request_uri(string scheme, string host, string path, string queryString, string expectedUri)
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{
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this.Given(_ => GivenTheInputRequestHasMethod("GET"))
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.And(_ => GivenTheInputRequestHasScheme(scheme))
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.And(_ => GivenTheInputRequestHasHost(host))
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.And(_ => GivenTheInputRequestHasPath(path))
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.And(_ => GivenTheInputRequestHasQueryString(queryString))
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.When(_ => WhenMapped())
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.Then(_ => ThenNoErrorIsReturned())
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.And(_ => ThenTheMappedRequestHasUri(expectedUri))
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.BDDfy();
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}
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[Theory]
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[InlineData("ftp", "google.com", "/abc/DEF", "?a=1&b=2")]
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public void Should_error_on_unsupported_request_uri(string scheme, string host, string path, string queryString)
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{
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this.Given(_ => GivenTheInputRequestHasMethod("GET"))
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.And(_ => GivenTheInputRequestHasScheme(scheme))
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.And(_ => GivenTheInputRequestHasHost(host))
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.And(_ => GivenTheInputRequestHasPath(path))
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.And(_ => GivenTheInputRequestHasQueryString(queryString))
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.When(_ => WhenMapped())
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.Then(_ => ThenAnErrorIsReturned())
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.And(_ => ThenTheMappedRequestIsNull())
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.BDDfy();
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}
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[Theory]
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[InlineData("GET")]
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[InlineData("POST")]
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[InlineData("WHATEVER")]
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public void Should_map_method(string method)
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{
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this.Given(_ => GivenTheInputRequestHasMethod(method))
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.And(_ => GivenTheInputRequestHasAValidUri())
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.When(_ => WhenMapped())
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.Then(_ => ThenNoErrorIsReturned())
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.And(_ => ThenTheMappedRequestHasMethod(method))
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.BDDfy();
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}
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[Fact]
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public void Should_map_all_headers()
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{
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this.Given(_ => GivenTheInputRequestHasHeaders())
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.And(_ => GivenTheInputRequestHasMethod("GET"))
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.And(_ => GivenTheInputRequestHasAValidUri())
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.When(_ => WhenMapped())
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.Then(_ => ThenNoErrorIsReturned())
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.And(_ => ThenTheMappedRequestHasEachHeader())
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.BDDfy();
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}
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[Fact]
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public void Should_handle_no_headers()
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{
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this.Given(_ => GivenTheInputRequestHasNoHeaders())
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.And(_ => GivenTheInputRequestHasMethod("GET"))
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.And(_ => GivenTheInputRequestHasAValidUri())
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.When(_ => WhenMapped())
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.Then(_ => ThenNoErrorIsReturned())
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.And(_ => ThenTheMappedRequestHasNoHeaders())
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.BDDfy();
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}
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[Fact]
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public void Should_map_content()
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{
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this.Given(_ => GivenTheInputRequestHasContent("This is my content"))
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.And(_ => GivenTheInputRequestHasMethod("GET"))
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.And(_ => GivenTheInputRequestHasAValidUri())
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.When(_ => WhenMapped())
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.Then(_ => ThenNoErrorIsReturned())
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.And(_ => ThenTheMappedRequestHasContent("This is my content"))
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.BDDfy();
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}
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[Fact]
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public void Should_handle_no_content()
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{
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this.Given(_ => GivenTheInputRequestHasNoContent())
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.And(_ => GivenTheInputRequestHasMethod("GET"))
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.And(_ => GivenTheInputRequestHasAValidUri())
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.When(_ => WhenMapped())
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.Then(_ => ThenNoErrorIsReturned())
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.And(_ => ThenTheMappedRequestHasNoContent())
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.BDDfy();
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}
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private void GivenTheInputRequestHasMethod(string method)
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{
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_inputRequest.Method = method;
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}
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private void GivenTheInputRequestHasScheme(string scheme)
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{
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_inputRequest.Scheme = scheme;
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}
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private void GivenTheInputRequestHasHost(string host)
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{
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_inputRequest.Host = new HostString(host);
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}
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private void GivenTheInputRequestHasPath(string path)
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{
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if (path != null)
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{
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_inputRequest.Path = path;
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}
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}
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private void GivenTheInputRequestHasQueryString(string querystring)
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{
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if (querystring != null)
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{
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_inputRequest.QueryString = new QueryString(querystring);
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}
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}
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private void GivenTheInputRequestHasAValidUri()
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{
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GivenTheInputRequestHasScheme("http");
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GivenTheInputRequestHasHost("www.google.com");
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}
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private void GivenTheInputRequestHasHeaders()
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{
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_inputHeaders = new List<KeyValuePair<string, StringValues>>()
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{
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new KeyValuePair<string, StringValues>("abc", new StringValues(new string[]{"123","456" })),
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new KeyValuePair<string, StringValues>("def", new StringValues(new string[]{"789","012" })),
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};
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foreach (var inputHeader in _inputHeaders)
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{
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_inputRequest.Headers.Add(inputHeader);
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}
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}
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private void GivenTheInputRequestHasNoHeaders()
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{
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_inputRequest.Headers.Clear();
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}
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private void GivenTheInputRequestHasContent(string content)
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{
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_inputRequest.Body = new MemoryStream(Encoding.UTF8.GetBytes(content));
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}
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private void GivenTheInputRequestHasNoContent()
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{
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_inputRequest.Body = null;
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}
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private void WhenMapped()
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{
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_mappedRequest = _requestMapper.Map(_inputRequest).GetAwaiter().GetResult();
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}
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private void ThenNoErrorIsReturned()
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{
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_mappedRequest.IsError.ShouldBeFalse();
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}
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private void ThenAnErrorIsReturned()
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{
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_mappedRequest.IsError.ShouldBeTrue();
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}
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private void ThenTheMappedRequestHasUri(string expectedUri)
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{
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_mappedRequest.Data.RequestUri.OriginalString.ShouldBe(expectedUri);
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}
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private void ThenTheMappedRequestHasMethod(string expectedMethod)
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{
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_mappedRequest.Data.Method.ToString().ShouldBe(expectedMethod);
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}
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private void ThenTheMappedRequestHasEachHeader()
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{
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_mappedRequest.Data.Headers.Count().ShouldBe(_inputHeaders.Count);
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foreach(var header in _mappedRequest.Data.Headers)
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{
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var inputHeader = _inputHeaders.First(h => h.Key == header.Key);
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inputHeader.ShouldNotBeNull();
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inputHeader.Value.Count().ShouldBe(header.Value.Count());
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foreach(var inputHeaderValue in inputHeader.Value)
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{
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header.Value.Any(v => v == inputHeaderValue);
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}
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}
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}
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private void ThenTheMappedRequestHasNoHeaders()
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{
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_mappedRequest.Data.Headers.Count().ShouldBe(0);
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}
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private void ThenTheMappedRequestHasContent(string expectedContent)
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{
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_mappedRequest.Data.Content.ReadAsStringAsync().GetAwaiter().GetResult().ShouldBe(expectedContent);
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}
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private void ThenTheMappedRequestHasNoContent()
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{
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_mappedRequest.Data.Content.ShouldBeNull();
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}
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private void ThenTheMappedRequestIsNull()
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{
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_mappedRequest.Data.ShouldBeNull();
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}
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}
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}
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