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OwinResponseMapperTests.cs
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OwinResponseMapperTests.cs
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using System.Collections.Generic;
using System.IO;
using Xunit;
using Moq;
using System.Threading.Tasks;
using System.Threading;
using WireMock.Handlers;
using WireMock.Owin.Mappers;
using WireMock.ResponseBuilders;
using WireMock.Types;
using WireMock.Util;
using WireMock.Owin;
#if NET452
using Microsoft.Owin;
using IResponse = Microsoft.Owin.IOwinResponse;
using Response = Microsoft.Owin.OwinResponse;
#else
using Microsoft.AspNetCore.Http;
using IResponse = Microsoft.AspNetCore.Http.HttpResponse;
using Response = Microsoft.AspNetCore.Http.HttpResponse;
using Microsoft.Extensions.Primitives;
#endif
namespace WireMock.Net.Tests.Owin.Mappers
{
public class OwinResponseMapperTests
{
private static readonly Task CompletedTask = Task.FromResult(true);
private readonly OwinResponseMapper _sut;
private readonly Mock<IResponse> _responseMock;
private readonly Mock<Stream> _stream;
private readonly Mock<IHeaderDictionary> _headers;
private readonly Mock<IFileSystemHandler> _fileSystemHandlerMock;
private readonly Mock<IWireMockMiddlewareOptions> _optionsMock;
public OwinResponseMapperTests()
{
_stream = new Mock<Stream>();
_stream.SetupAllProperties();
_stream.Setup(s => s.WriteAsync(It.IsAny<byte[]>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<CancellationToken>())).Returns(CompletedTask);
_fileSystemHandlerMock = new Mock<IFileSystemHandler>();
_fileSystemHandlerMock.SetupAllProperties();
_optionsMock = new Mock<IWireMockMiddlewareOptions>();
_optionsMock.SetupAllProperties();
_optionsMock.SetupGet(o => o.FileSystemHandler).Returns(_fileSystemHandlerMock.Object);
_headers = new Mock<IHeaderDictionary>();
_headers.SetupAllProperties();
#if NET452
_headers.Setup(h => h.AppendValues(It.IsAny<string>(), It.IsAny<string[]>()));
#else
_headers.Setup(h => h.Add(It.IsAny<string>(), It.IsAny<StringValues>()));
#endif
_responseMock = new Mock<IResponse>();
_responseMock.SetupAllProperties();
_responseMock.SetupGet(r => r.Body).Returns(_stream.Object);
_responseMock.SetupGet(r => r.Headers).Returns(_headers.Object);
_sut = new OwinResponseMapper(_optionsMock.Object);
}
[Fact]
public async Task OwinResponseMapper_MapAsync_Null()
{
// Act
await _sut.MapAsync(null, _responseMock.Object);
}
[Theory]
[InlineData(300, 300)]
[InlineData(500, 500)]
public async Task OwinResponseMapper_MapAsync_Valid_StatusCode(object code, int expected)
{
// Arrange
var responseMessage = new ResponseMessage
{
StatusCode = code
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_responseMock.VerifySet(r => r.StatusCode = expected, Times.Once);
}
[Theory]
[InlineData(0, 200)]
[InlineData(-1, 200)]
[InlineData(10000, 200)]
[InlineData(300, 300)]
public async Task OwinResponseMapper_MapAsync_Invalid_StatusCode_When_AllowOnlyDefinedHttpStatusCodeInResponseSet_Is_True(object code, int expected)
{
// Arrange
_optionsMock.SetupGet(o => o.AllowOnlyDefinedHttpStatusCodeInResponse).Returns(true);
var responseMessage = new ResponseMessage
{
StatusCode = code
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_responseMock.VerifySet(r => r.StatusCode = expected, Times.Once);
}
[Fact]
public async Task OwinResponseMapper_MapAsync_Null_StatusCode_When_AllowOnlyDefinedHttpStatusCodeInResponseSet_Is_True()
{
// Arrange
_optionsMock.SetupGet(o => o.AllowOnlyDefinedHttpStatusCodeInResponse).Returns(true);
var responseMessage = new ResponseMessage
{
StatusCode = null
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_responseMock.VerifyNoOtherCalls();
}
[Fact]
public async Task OwinResponseMapper_MapAsync_StatusCode_Is_Null()
{
// Arrange
var responseMessage = new ResponseMessage
{
StatusCode = null
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_responseMock.VerifyNoOtherCalls();
}
[Theory]
[InlineData(0, 0)]
[InlineData(-1, -1)]
[InlineData(10000, 10000)]
[InlineData(300, 300)]
public async Task OwinResponseMapper_MapAsync_StatusCode_Is_NotInEnumRange(object code, int expected)
{
// Arrange
var responseMessage = new ResponseMessage
{
StatusCode = code
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_responseMock.VerifySet(r => r.StatusCode = expected, Times.Once);
}
[Fact]
public async Task OwinResponseMapper_MapAsync_NoBody()
{
// Arrange
var responseMessage = new ResponseMessage
{
Headers = new Dictionary<string, WireMockList<string>>()
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_stream.Verify(s => s.WriteAsync(It.IsAny<byte[]>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<CancellationToken>()), Times.Never);
}
[Fact]
public async Task OwinResponseMapper_MapAsync_Body()
{
// Arrange
string body = "abcd";
var responseMessage = new ResponseMessage
{
Headers = new Dictionary<string, WireMockList<string>>(),
BodyData = new BodyData { DetectedBodyType = BodyType.String, BodyAsString = body }
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_stream.Verify(s => s.WriteAsync(new byte[] { 97, 98, 99, 100 }, 0, 4, It.IsAny<CancellationToken>()), Times.Once);
}
[Fact]
public async Task OwinResponseMapper_MapAsync_BodyAsBytes()
{
// Arrange
var bytes = new byte[] { 48, 49 };
var responseMessage = new ResponseMessage
{
Headers = new Dictionary<string, WireMockList<string>>(),
BodyData = new BodyData { DetectedBodyType = BodyType.Bytes, BodyAsBytes = bytes }
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_stream.Verify(s => s.WriteAsync(bytes, 0, bytes.Length, It.IsAny<CancellationToken>()), Times.Once);
}
[Fact]
public async Task OwinResponseMapper_MapAsync_BodyAsJson()
{
// Arrange
var json = new { t = "x", i = (string)null };
var responseMessage = new ResponseMessage
{
Headers = new Dictionary<string, WireMockList<string>>(),
BodyData = new BodyData { DetectedBodyType = BodyType.Json, BodyAsJson = json, BodyAsJsonIndented = false }
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_stream.Verify(s => s.WriteAsync(new byte[] { 123, 34, 116, 34, 58, 34, 120, 34, 125 }, 0, 9, It.IsAny<CancellationToken>()), Times.Once);
}
[Fact]
public async Task OwinResponseMapper_MapAsync_SetResponseHeaders()
{
// Arrange
var responseMessage = new ResponseMessage
{
Headers = new Dictionary<string, WireMockList<string>> { { "h", new WireMockList<string>("x", "y") } }
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
#if NET452
_headers.Verify(h => h.AppendValues("h", new string[] { "x", "y" }), Times.Once);
#else
var v = new StringValues();
_headers.Verify(h => h.TryGetValue("h", out v), Times.Once);
#endif
}
[Fact]
public async Task OwinResponseMapper_MapAsync_WithFault_EMPTY_RESPONSE()
{
// Arrange
string body = "abc";
var responseMessage = new ResponseMessage
{
Headers = new Dictionary<string, WireMockList<string>>(),
BodyData = new BodyData { DetectedBodyType = BodyType.String, BodyAsString = body },
FaultType = FaultType.EMPTY_RESPONSE
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_stream.Verify(s => s.WriteAsync(new byte[0], 0, 0, It.IsAny<CancellationToken>()), Times.Once);
}
[Theory]
[InlineData("abcd", BodyType.String)]
[InlineData("", BodyType.String)]
[InlineData(null, BodyType.None)]
public async Task OwinResponseMapper_MapAsync_WithFault_MALFORMED_RESPONSE_CHUNK(string body, BodyType detected)
{
// Arrange
var responseMessage = new ResponseMessage
{
Headers = new Dictionary<string, WireMockList<string>>(),
BodyData = new BodyData { DetectedBodyType = detected, BodyAsString = body },
StatusCode = 100,
FaultType = FaultType.MALFORMED_RESPONSE_CHUNK
};
// Act
await _sut.MapAsync(responseMessage, _responseMock.Object);
// Assert
_responseMock.VerifySet(r => r.StatusCode = 100, Times.Once);
_stream.Verify(s => s.WriteAsync(It.IsAny<byte[]>(), 0, It.Is<int>(count => count >= 0), It.IsAny<CancellationToken>()), Times.Once);
}
}
}