public void GetDecompressionProvider_UnsupportedContentEncoding_ReturnsNull()
{
// Arrange
var contentEncoding = "custom";
var httpContext = new DefaultHttpContext();
httpContext.Request.Headers.Add(HeaderNames.ContentEncoding, contentEncoding);
var(logger, sink) = GetTestLogger();
var options = Options.Create(new RequestDecompressionOptions());
var provider = new DefaultRequestDecompressionProvider(logger, options);
// Act
var matchingProvider = provider.GetDecompressionStream(httpContext);
// Assert
Assert.Null(matchingProvider);
var logMessages = sink.Writes.ToList();
AssertLog(logMessages.Single(),
LogLevel.Debug, "No matching request decompression provider found.");
var contentEncodingHeader = httpContext.Request.Headers.ContentEncoding;
Assert.Equal(contentEncoding, contentEncodingHeader);
}
public void GetDecompressionProvider_NoContentEncoding_ReturnsNull()
{
// Arrange
var httpContext = new DefaultHttpContext();
var(logger, sink) = GetTestLogger();
var options = Options.Create(new RequestDecompressionOptions());
var provider = new DefaultRequestDecompressionProvider(logger, options);
// Act
var matchingProvider = provider.GetDecompressionStream(httpContext);
// Assert
Assert.Null(matchingProvider);
var logMessages = sink.Writes.ToList();
AssertLog(logMessages.Single(), LogLevel.Trace,
"The Content-Encoding header is empty or not specified. Skipping request decompression.");
var contentEncodingHeader = httpContext.Request.Headers.ContentEncoding;
Assert.Empty(contentEncodingHeader);
}
public void GetDecompressionProvider_MultipleContentEncodings_ReturnsNull()
{
// Arrange
var contentEncodings = new StringValues(new[] { "br", "gzip" });
var httpContext = new DefaultHttpContext();
httpContext.Request.Headers.Add(HeaderNames.ContentEncoding, contentEncodings);
var(logger, sink) = GetTestLogger();
var options = Options.Create(new RequestDecompressionOptions());
var provider = new DefaultRequestDecompressionProvider(logger, options);
// Act
var matchingProvider = provider.GetDecompressionStream(httpContext);
// Assert
Assert.Null(matchingProvider);
var logMessages = sink.Writes.ToList();
AssertLog(logMessages.Single(), LogLevel.Debug,
"Request decompression is not supported for multiple Content-Encodings.");
var contentEncodingHeader = httpContext.Request.Headers.ContentEncoding;
Assert.Equal(contentEncodings, contentEncodingHeader);
}
public void GetDecompressionProvider_SupportedContentEncoding_ReturnsProvider(
string contentEncoding,
Type expectedProviderType)
{
// Arrange
var httpContext = new DefaultHttpContext();
httpContext.Request.Headers.Add(HeaderNames.ContentEncoding, contentEncoding);
var(logger, sink) = GetTestLogger();
var options = Options.Create(new RequestDecompressionOptions());
var provider = new DefaultRequestDecompressionProvider(logger, options);
// Act
var matchingProvider = provider.GetDecompressionStream(httpContext);
// Assert
Assert.NotNull(matchingProvider);
Assert.IsType(expectedProviderType, matchingProvider);
var logMessages = sink.Writes.ToList();
AssertLog(logMessages.Single(), LogLevel.Debug,
$"The request will be decompressed with '{contentEncoding.ToLowerInvariant()}'.");
var contentEncodingHeader = httpContext.Request.Headers.ContentEncoding;
Assert.Empty(contentEncodingHeader);
}
public void GlobalSetup()
{
var requestDecompressionProvider = new DefaultRequestDecompressionProvider(
NullLogger <DefaultRequestDecompressionProvider> .Instance,
Options.Create(new RequestDecompressionOptions())
);
_middleware = new RequestDecompressionMiddleware(
context => Task.CompletedTask,
NullLogger <RequestDecompressionMiddleware> .Instance,
requestDecompressionProvider
);
}
