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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Specialized;
using Moq;
using Xunit;
namespace System.Web.Mvc.Test
{
public class UrlRewriterHelperTest
{
private const string _urlWasRewrittenServerVar = "IIS_WasUrlRewritten";
private const string _urlRewriterEnabledServerVar = "IIS_UrlRewriteModule";
[Fact]
public void WasRequestRewritten_FalseIfUrlRewriterIsTurnedOff()
{
// Arrange
UrlRewriterHelper helper = new UrlRewriterHelper();
Mock<HttpContextBase> requestMock = new Mock<HttpContextBase>();
requestMock.Setup(c => c.Request.ServerVariables.Get(_urlRewriterEnabledServerVar)).Returns((string)null).Verifiable();
// Act
bool result = helper.WasRequestRewritten(requestMock.Object);
// Assert
Assert.False(result);
requestMock.Verify();
requestMock.Verify(c => c.Request.ServerVariables.Get(_urlWasRewrittenServerVar), Times.Never());
}
[Fact]
public void WasRequestRewritten_FalseIfUrlRewriterIsTurnedOnButRequestWasNotRewritten()
{
// Arrange
UrlRewriterHelper helper = new UrlRewriterHelper();
Mock<HttpContextBase> requestMock = new Mock<HttpContextBase>();
requestMock.Setup(c => c.Request.ServerVariables.Get(_urlRewriterEnabledServerVar)).Returns("yes").Verifiable();
requestMock.Setup(c => c.Request.ServerVariables.Get(_urlWasRewrittenServerVar)).Returns((string)null).Verifiable();
// Act
bool result = helper.WasRequestRewritten(requestMock.Object);
// Assert
Assert.False(result);
requestMock.Verify();
}
[Fact]
public void WasRequestRewritten_TrueIfUrlRewriterIsTurnedOnAndRequestWasRewritten()
{
// Arrange
UrlRewriterHelper helper = new UrlRewriterHelper();
Mock<HttpContextBase> requestMock = new Mock<HttpContextBase>();
requestMock.Setup(c => c.Request.ServerVariables.Get(_urlRewriterEnabledServerVar)).Returns("yes").Verifiable();
requestMock.Setup(c => c.Request.ServerVariables.Get(_urlWasRewrittenServerVar)).Returns("yes").Verifiable();
// Act
bool result = helper.WasRequestRewritten(requestMock.Object);
// Assert
Assert.True(result);
requestMock.Verify();
}
[Fact]
public void WasRequestRewritten_ChecksIfUrlRewriterIsTurnedOnOnlyOnce()
{
// Arrange
UrlRewriterHelper helper = new UrlRewriterHelper();
Mock<HttpContextBase> request1Mock = new Mock<HttpContextBase>();
request1Mock.Setup(c => c.Request.ServerVariables).Returns(new NameValueCollection());
Mock<HttpContextBase> request2Mock = new Mock<HttpContextBase>();
// Act
bool result1 = helper.WasRequestRewritten(request1Mock.Object);
bool result2 = helper.WasRequestRewritten(request2Mock.Object);
// Assert
request1Mock.Verify(c => c.Request.ServerVariables, Times.Once());
request2Mock.Verify(c => c.Request.ServerVariables, Times.Never());
Assert.False(result1);
Assert.False(result2);
}
}
}
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