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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Microsoft.AspNetCore.Internal;
using Microsoft.Net.Http.Headers;
namespace Microsoft.AspNetCore.Http.HttpResults;
public class HttpFileStreamResultTests : FileStreamResultTestBase
{
protected override Task ExecuteAsync(
HttpContext httpContext,
Stream stream,
string contentType,
DateTimeOffset? lastModified = null,
EntityTagHeaderValue entityTag = null,
bool enableRangeProcessing = false)
{
var fileStreamResult = new FileStreamHttpResult(stream, contentType)
{
LastModified = lastModified,
EntityTag = entityTag,
EnableRangeProcessing = enableRangeProcessing
};
return fileStreamResult.ExecuteAsync(httpContext);
}
[Fact]
public void Constructor_SetsFileName()
{
// Arrange
var stream = Stream.Null;
// Act
var result = new FileStreamHttpResult(stream, "text/plain");
// Assert
Assert.Equal(stream, result.FileStream);
}
[Fact]
public void Constructor_SetsContentTypeAndParameters()
{
// Arrange
var stream = Stream.Null;
var contentType = "text/plain; charset=us-ascii; p1=p1-value";
var expectedMediaType = contentType;
// Act
var result = new FileStreamHttpResult(stream, contentType);
// Assert
Assert.Equal(stream, result.FileStream);
Assert.Equal(expectedMediaType, result.ContentType);
}
[Fact]
public void Constructor_SetsLastModifiedAndEtag()
{
// Arrange
var stream = Stream.Null;
var contentType = "text/plain";
var expectedMediaType = contentType;
var lastModified = new DateTimeOffset();
var entityTag = new EntityTagHeaderValue("\"Etag\"");
// Act
var result = new FileStreamHttpResult(stream, contentType)
{
LastModified = lastModified,
EntityTag = entityTag,
};
// Assert
Assert.Equal(lastModified, result.LastModified);
Assert.Equal(entityTag, result.EntityTag);
Assert.Equal(expectedMediaType, result.ContentType);
}
[Fact]
public void ExecuteAsync_ThrowsArgumentNullException_WhenHttpContextIsNull()
{
// Arrange
var result = new FileStreamHttpResult(new MemoryStream(), null);
HttpContext httpContext = null;
// Act & Assert
Assert.ThrowsAsync<ArgumentNullException>("httpContext", () => result.ExecuteAsync(httpContext));
}
[Fact]
public void FileStreamHttpResult_Implements_IFileHttpResult_Correctly()
{
// Arrange & Act
var contentType = "application/x-zip";
var downloadName = "sample.zip";
// Act & Assert
var result = Assert.IsAssignableFrom<IFileHttpResult>(new FileStreamHttpResult(new MemoryStream(), contentType) { FileDownloadName = downloadName });
Assert.Equal(contentType, result.ContentType);
Assert.Equal(downloadName, result.FileDownloadName);
}
[Fact]
public void FileStreamHttpResult_Implements_IContentTypeHttpResult_Correctly()
{
// Arrange
var contentType = "application/x-zip";
var downloadName = "sample.zip";;
// Act & Assert
var result = Assert.IsAssignableFrom<IContentTypeHttpResult>(new FileStreamHttpResult(new MemoryStream(), contentType) { FileDownloadName = downloadName });
Assert.Equal(contentType, result.ContentType);
}
}
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