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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Net.Mime;
using System.Web.TestUtil;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class FileResultTest
{
[Fact]
public void ConstructorSetsContentTypeProperty()
{
// Act
FileResult result = new EmptyFileResult("someContentType");
// Assert
Assert.Equal("someContentType", result.ContentType);
}
[Fact]
public void ConstructorThrowsIfContentTypeIsEmpty()
{
// Act & assert
Assert.ThrowsArgumentNullOrEmpty(
delegate { new EmptyFileResult(String.Empty); }, "contentType");
}
[Fact]
public void ConstructorThrowsIfContentTypeIsNull()
{
// Act & assert
Assert.ThrowsArgumentNullOrEmpty(
delegate { new EmptyFileResult(null); }, "contentType");
}
[Fact]
public void ContentDispositionHeaderIsEncodedCorrectly()
{
// See comment in FileResult.cs detailing how the FileDownloadName should be encoded.
// Arrange
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>(MockBehavior.Strict);
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/my-type").Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.AddHeader("Content-Disposition", @"attachment; filename=""some\\file""")).Verifiable();
EmptyFileResult result = new EmptyFileResult("application/my-type")
{
FileDownloadName = @"some\file"
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
Assert.True(result.WasWriteFileCalled);
mockControllerContext.Verify();
}
[Fact(Skip="Pending fix to DevDiv 356181 -- 4.5 changed ContentDisposition.ToString()")]
public void ContentDispositionHeaderIsEncodedCorrectlyForUnicodeCharacters()
{
// Arrange
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>(MockBehavior.Strict);
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/my-type").Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.AddHeader("Content-Disposition", @"attachment; filename*=UTF-8''ABCXYZabcxyz012789!%40%23$%25%5E&%2A%28%29-%3D_+.:~%CE%94")).Verifiable();
EmptyFileResult result = new EmptyFileResult("application/my-type")
{
FileDownloadName = "ABCXYZabcxyz012789!@#$%^&*()-=_+.:~Δ"
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
Assert.True(result.WasWriteFileCalled);
mockControllerContext.Verify();
}
[Fact]
public void ExecuteResultDoesNotSetContentDispositionIfNotSpecified()
{
// Arrange
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/my-type").Verifiable();
EmptyFileResult result = new EmptyFileResult("application/my-type");
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
Assert.True(result.WasWriteFileCalled);
mockControllerContext.Verify();
}
[Fact]
public void ExecuteResultSetsContentDispositionIfSpecified()
{
// Arrange
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>(MockBehavior.Strict);
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/my-type").Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.AddHeader("Content-Disposition", "attachment; filename=filename.ext")).Verifiable();
EmptyFileResult result = new EmptyFileResult("application/my-type")
{
FileDownloadName = "filename.ext"
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
Assert.True(result.WasWriteFileCalled);
mockControllerContext.Verify();
}
[Fact]
public void ExecuteResultThrowsIfContextIsNull()
{
// Arrange
FileResult result = new EmptyFileResult();
// Act & assert
Assert.ThrowsArgumentNull(
delegate { result.ExecuteResult(null); }, "context");
}
[Fact]
public void FileDownloadNameProperty()
{
// Arrange
FileResult result = new EmptyFileResult();
// Act & assert
MemberHelper.TestStringProperty(result, "FileDownloadName", String.Empty);
}
private class EmptyFileResult : FileResult
{
public bool WasWriteFileCalled;
public EmptyFileResult()
: this(MediaTypeNames.Application.Octet)
{
}
public EmptyFileResult(string contentType)
: base(contentType)
{
}
protected override void WriteFile(HttpResponseBase response)
{
WasWriteFileCalled = true;
}
}
}
}
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