public async Task ExecuteResultAsync_WorksWithNonDiskBasedFiles()
{
// Arrange
var httpContext = GetHttpContext(typeof(VirtualFileResultExecutor));
httpContext.Response.Body = new MemoryStream();
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var expectedData = "This is an embedded resource";
var sourceStream = new MemoryStream(Encoding.UTF8.GetBytes(expectedData));
var nonDiskFileInfo = new Mock <IFileInfo>();
nonDiskFileInfo.SetupGet(fi => fi.Exists).Returns(true);
nonDiskFileInfo.SetupGet(fi => fi.PhysicalPath).Returns(() => null); // set null to indicate non-disk file
nonDiskFileInfo.Setup(fi => fi.CreateReadStream()).Returns(sourceStream);
var nonDiskFileProvider = new Mock <IFileProvider>();
nonDiskFileProvider.Setup(fp => fp.GetFileInfo(It.IsAny <string>())).Returns(nonDiskFileInfo.Object);
var filePathResult = new VirtualFileResult("/SampleEmbeddedFile.txt", "text/plain")
{
FileProvider = nonDiskFileProvider.Object
};
// Act
await filePathResult.ExecuteResultAsync(actionContext);
// Assert
httpContext.Response.Body.Position = 0;
var contents = await new StreamReader(httpContext.Response.Body).ReadToEndAsync();
Assert.Equal(expectedData, contents);
}
public async Task ExecuteResultAsync_ThrowsFileNotFound_IfFileProviderCanNotFindTheFile()
{
// Arrange
var path = "TestPath.txt";
var fileInfo = new Mock <IFileInfo>();
fileInfo.SetupGet(f => f.Exists).Returns(false);
var fileProvider = new Mock <IFileProvider>();
fileProvider.Setup(f => f.GetFileInfo(path)).Returns(fileInfo.Object);
var filePathResult = new VirtualFileResult(path, "text/plain")
{
FileProvider = fileProvider.Object,
};
var expectedMessage = "Could not find file: " + path;
var context = new ActionContext(GetHttpContext(), new RouteData(), new ActionDescriptor());
// Act
var ex = await Assert.ThrowsAsync <FileNotFoundException>(() => filePathResult.ExecuteResultAsync(context));
// Assert
Assert.Equal(expectedMessage, ex.Message);
Assert.Equal(path, ex.FileName);
}
protected override Task ExecuteAsync(HttpContext httpContext, string path, string contentType, DateTimeOffset?lastModified = null, EntityTagHeaderValue entityTag = null, bool enableRangeProcessing = false)
{
var webHostEnvironment = httpContext.RequestServices.GetRequiredService <IWebHostEnvironment>();
httpContext.RequestServices = new ServiceCollection()
.AddSingleton(webHostEnvironment)
.AddTransient <IActionResultExecutor <VirtualFileResult>, VirtualFileResultExecutor>()
.AddTransient <ILoggerFactory, NullLoggerFactory>()
.BuildServiceProvider();
var actionContext = new ActionContext(httpContext, new(), new());
var result = new VirtualFileResult(path, contentType)
{
LastModified = lastModified,
EntityTag = entityTag,
EnableRangeProcessing = enableRangeProcessing,
};
return(result.ExecuteResultAsync(actionContext));
}
public async Task ExecuteResultAsync_ThrowsFileNotFound_IfFileProviderCanNotFindTheFile()
{
// Arrange
var path = "TestPath.txt";
var fileInfo = new Mock<IFileInfo>();
fileInfo.SetupGet(f => f.Exists).Returns(false);
var fileProvider = new Mock<IFileProvider>();
fileProvider.Setup(f => f.GetFileInfo(path)).Returns(fileInfo.Object);
var filePathResult = new VirtualFileResult(path, "text/plain")
{
FileProvider = fileProvider.Object,
};
var expectedMessage = "Could not find file: " + path;
var context = new ActionContext(GetHttpContext(), new RouteData(), new ActionDescriptor());
// Act
var ex = await Assert.ThrowsAsync<FileNotFoundException>(() => filePathResult.ExecuteResultAsync(context));
// Assert
Assert.Equal(expectedMessage, ex.Message);
Assert.Equal(path, ex.FileName);
}
public async Task ExecuteResultAsync_WorksWithNonDiskBasedFiles()
{
// Arrange
var httpContext = GetHttpContext();
httpContext.Response.Body = new MemoryStream();
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var expectedData = "This is an embedded resource";
var sourceStream = new MemoryStream(Encoding.UTF8.GetBytes(expectedData));
var nonDiskFileInfo = new Mock<IFileInfo>();
nonDiskFileInfo.SetupGet(fi => fi.Exists).Returns(true);
nonDiskFileInfo.SetupGet(fi => fi.PhysicalPath).Returns(() => null); // set null to indicate non-disk file
nonDiskFileInfo.Setup(fi => fi.CreateReadStream()).Returns(sourceStream);
var nonDiskFileProvider = new Mock<IFileProvider>();
nonDiskFileProvider.Setup(fp => fp.GetFileInfo(It.IsAny<string>())).Returns(nonDiskFileInfo.Object);
var filePathResult = new VirtualFileResult("/SampleEmbeddedFile.txt", "text/plain")
{
FileProvider = nonDiskFileProvider.Object
};
// Act
await filePathResult.ExecuteResultAsync(actionContext);
// Assert
httpContext.Response.Body.Position = 0;
var contents = await new StreamReader(httpContext.Response.Body).ReadToEndAsync();
Assert.Equal(expectedData, contents);
}