aspnetcore/test/Microsoft.AspNetCore.Mvc.Co.../PhysicalFileResultTest.cs

259 lines
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C#
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.IO;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Mvc.Abstractions;
using Microsoft.AspNetCore.Mvc.Internal;
using Microsoft.AspNetCore.Mvc.TestCommon;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Testing;
using Moq;
using Xunit;
namespace Microsoft.AspNetCore.Mvc
{
public class PhysicalFileResultTest
{
[Fact]
public void Constructor_SetsFileName()
{
// Arrange
var path = Path.GetFullPath("helllo.txt");
// Act
var result = new TestPhysicalFileResult(path, "text/plain");
// Assert
Assert.Equal(path, result.FileName);
}
[Fact]
public void Constructor_SetsContentTypeAndParameters()
{
// Arrange
var path = Path.GetFullPath("helllo.txt");
var contentType = "text/plain; charset=us-ascii; p1=p1-value";
var expectedMediaType = contentType;
// Act
var result = new TestPhysicalFileResult(path, contentType);
// Assert
Assert.Equal(path, result.FileName);
MediaTypeAssert.Equal(expectedMediaType, result.ContentType);
}
[Fact]
public async Task ExecuteResultAsync_FallsbackToStreamCopy_IfNoIHttpSendFilePresent()
{
// Arrange
var path = Path.GetFullPath(Path.Combine("TestFiles", "FilePathResultTestFile.txt"));
var result = new TestPhysicalFileResult(path, "text/plain");
var httpContext = GetHttpContext();
httpContext.Response.Body = new MemoryStream();
var context = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
// Act
await result.ExecuteResultAsync(context);
httpContext.Response.Body.Position = 0;
// Assert
Assert.NotNull(httpContext.Response.Body);
var contents = await new StreamReader(httpContext.Response.Body).ReadToEndAsync();
Assert.Equal("FilePathResultTestFile contents<74>", contents);
}
[Fact]
public async Task ExecuteResultAsync_CallsSendFileAsync_IfIHttpSendFilePresent()
{
// Arrange
var path = Path.GetFullPath(Path.Combine("TestFiles", "FilePathResultTestFile.txt"));
var result = new TestPhysicalFileResult(path, "text/plain");
var sendFileMock = new Mock<IHttpSendFileFeature>();
sendFileMock
.Setup(s => s.SendFileAsync(path, 0, null, CancellationToken.None))
.Returns(Task.FromResult<int>(0));
var httpContext = GetHttpContext();
httpContext.Features.Set(sendFileMock.Object);
var context = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
// Act
await result.ExecuteResultAsync(context);
// Assert
sendFileMock.Verify();
}
[Fact]
public async Task ExecuteResultAsync_SetsSuppliedContentTypeAndEncoding()
{
// Arrange
var expectedContentType = "text/foo; charset=us-ascii";
var path = Path.GetFullPath(Path.Combine(".", "TestFiles", "FilePathResultTestFile_ASCII.txt"));
var result = new TestPhysicalFileResult(path, expectedContentType)
{
IsAscii = true
};
var httpContext = GetHttpContext();
var memoryStream = new MemoryStream();
httpContext.Response.Body = memoryStream;
var context = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
// Act
await result.ExecuteResultAsync(context);
// Assert
var contents = Encoding.ASCII.GetString(memoryStream.ToArray());
Assert.Equal("FilePathResultTestFile contents ASCII encoded", contents);
Assert.Equal(expectedContentType, httpContext.Response.ContentType);
}
[Fact]
public async Task ExecuteResultAsync_WorksWithAbsolutePaths()
{
// Arrange
var path = Path.GetFullPath(Path.Combine(".", "TestFiles", "FilePathResultTestFile.txt"));
var result = new TestPhysicalFileResult(path, "text/plain");
var httpContext = GetHttpContext();
httpContext.Response.Body = new MemoryStream();
var context = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
// Act
await result.ExecuteResultAsync(context);
httpContext.Response.Body.Position = 0;
// Assert
Assert.NotNull(httpContext.Response.Body);
var contents = await new StreamReader(httpContext.Response.Body).ReadToEndAsync();
Assert.Equal("FilePathResultTestFile contents<74>", contents);
}
[Theory]
[InlineData("FilePathResultTestFile.txt")]
[InlineData("./FilePathResultTestFile.txt")]
[InlineData(".\\FilePathResultTestFile.txt")]
[InlineData("~/FilePathResultTestFile.txt")]
[InlineData("..\\TestFiles/FilePathResultTestFile.txt")]
[InlineData("..\\TestFiles\\FilePathResultTestFile.txt")]
[InlineData("..\\TestFiles/SubFolder/SubFolderTestFile.txt")]
[InlineData("..\\TestFiles\\SubFolder\\SubFolderTestFile.txt")]
[InlineData("..\\TestFiles/SubFolder\\SubFolderTestFile.txt")]
[InlineData("..\\TestFiles\\SubFolder/SubFolderTestFile.txt")]
[InlineData("~/SubFolder/SubFolderTestFile.txt")]
[InlineData("~/SubFolder\\SubFolderTestFile.txt")]
public async Task ExecuteAsync_ThrowsNotSupported_ForNonRootedPaths(string path)
{
// Arrange
var result = new TestPhysicalFileResult(path, "text/plain");
var context = new ActionContext(GetHttpContext(), new RouteData(), new ActionDescriptor());
var expectedMessage = $"Path '{path}' was not rooted.";
// Act
var ex = await Assert.ThrowsAsync<NotSupportedException>(() => result.ExecuteResultAsync(context));
// Assert
Assert.Equal(expectedMessage, ex.Message);
}
[Theory]
[InlineData("/SubFolder/SubFolderTestFile.txt")]
[InlineData("\\SubFolder\\SubFolderTestFile.txt")]
[InlineData("/SubFolder\\SubFolderTestFile.txt")]
[InlineData("\\SubFolder/SubFolderTestFile.txt")]
[InlineData("./SubFolder/SubFolderTestFile.txt")]
[InlineData(".\\SubFolder\\SubFolderTestFile.txt")]
[InlineData("./SubFolder\\SubFolderTestFile.txt")]
[InlineData(".\\SubFolder/SubFolderTestFile.txt")]
public void ExecuteAsync_ThrowsDirectoryNotFound_IfItCanNotFindTheDirectory_ForRootPaths(string path)
{
// Arrange
var result = new TestPhysicalFileResult(path, "text/plain");
var context = new ActionContext(new DefaultHttpContext(), new RouteData(), new ActionDescriptor());
// Act & Assert
Assert.ThrowsAsync<DirectoryNotFoundException>(() => result.ExecuteResultAsync(context));
}
[Theory]
[InlineData("/FilePathResultTestFile.txt")]
[InlineData("\\FilePathResultTestFile.txt")]
public void ExecuteAsync_ThrowsFileNotFound_WhenFileDoesNotExist_ForRootPaths(string path)
{
// Arrange
var result = new TestPhysicalFileResult(path, "text/plain");
var context = new ActionContext(new DefaultHttpContext(), new RouteData(), new ActionDescriptor());
// Act & Assert
Assert.ThrowsAsync<FileNotFoundException>(() => result.ExecuteResultAsync(context));
}
private class TestPhysicalFileResult : PhysicalFileResult
{
public TestPhysicalFileResult(string filePath, string contentType)
: base(filePath, contentType)
{
}
public override Task ExecuteResultAsync(ActionContext context)
{
var executor = context.HttpContext.RequestServices.GetRequiredService<TestPhysicalFileResultExecutor>();
executor.IsAscii = IsAscii;
return executor.ExecuteAsync(context, this);
}
public bool IsAscii { get; set; } = false;
}
private class TestPhysicalFileResultExecutor : PhysicalFileResultExecutor
{
public TestPhysicalFileResultExecutor(ILoggerFactory loggerFactory)
: base(loggerFactory)
{
}
public bool IsAscii { get; set; } = false;
protected override Stream GetFileStream(string path)
{
if (IsAscii)
{
return new MemoryStream(Encoding.ASCII.GetBytes("FilePathResultTestFile contents ASCII encoded"));
}
else
{
return new MemoryStream(Encoding.UTF8.GetBytes("FilePathResultTestFile contents<74>"));
}
}
}
private static IServiceCollection CreateServices()
{
var services = new ServiceCollection();
services.AddSingleton<TestPhysicalFileResultExecutor>();
services.AddSingleton<ILoggerFactory>(NullLoggerFactory.Instance);
return services;
}
private static HttpContext GetHttpContext()
{
var services = CreateServices();
var httpContext = new DefaultHttpContext();
httpContext.RequestServices = services.BuildServiceProvider();
return httpContext;
}
}
}