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249 lines
9.9 KiB
C++
249 lines
9.9 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_THIRD_PARTY_HTTP2_TEST_TOOLS_FRAME_PARTS_H_
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#define NET_THIRD_PARTY_HTTP2_TEST_TOOLS_FRAME_PARTS_H_
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// FrameParts implements Http2FrameDecoderListener, recording the callbacks
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// during the decoding of a single frame. It is also used for comparing the
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// info that a test expects to be recorded during the decoding of a frame
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// with the actual recorded value (i.e. by providing a comparator).
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#include <stddef.h>
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#include <vector>
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#include "base/logging.h"
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#include "base/optional.h"
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#include "net/third_party/http2/decoder/http2_frame_decoder_listener.h"
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#include "net/third_party/http2/http2_constants.h"
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#include "net/third_party/http2/http2_structures.h"
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#include "net/third_party/http2/platform/api/http2_string.h"
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#include "net/third_party/http2/platform/api/http2_string_piece.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace http2 {
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namespace test {
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class FrameParts : public Http2FrameDecoderListener {
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public:
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// The first callback for every type of frame includes the frame header; this
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// is the only constructor used during decoding of a frame.
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explicit FrameParts(const Http2FrameHeader& header);
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// For use in tests where the expected frame has a variable size payload.
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FrameParts(const Http2FrameHeader& header, Http2StringPiece payload);
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// For use in tests where the expected frame has a variable size payload
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// and may be padded.
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FrameParts(const Http2FrameHeader& header,
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Http2StringPiece payload,
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size_t total_pad_length);
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// Copy constructor.
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FrameParts(const FrameParts& header);
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~FrameParts() override;
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// Returns AssertionSuccess() if they're equal, else AssertionFailure()
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// with info about the difference.
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::testing::AssertionResult VerifyEquals(const FrameParts& other) const;
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// Format this FrameParts object.
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void OutputTo(std::ostream& out) const;
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// Set the total padding length (0 to 256).
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void SetTotalPadLength(size_t total_pad_length);
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// Set the origin and value expected in an ALTSVC frame.
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void SetAltSvcExpected(Http2StringPiece origin, Http2StringPiece value);
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// Http2FrameDecoderListener methods:
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bool OnFrameHeader(const Http2FrameHeader& header) override;
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void OnDataStart(const Http2FrameHeader& header) override;
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void OnDataPayload(const char* data, size_t len) override;
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void OnDataEnd() override;
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void OnHeadersStart(const Http2FrameHeader& header) override;
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void OnHeadersPriority(const Http2PriorityFields& priority) override;
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void OnHpackFragment(const char* data, size_t len) override;
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void OnHeadersEnd() override;
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void OnPriorityFrame(const Http2FrameHeader& header,
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const Http2PriorityFields& priority) override;
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void OnContinuationStart(const Http2FrameHeader& header) override;
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void OnContinuationEnd() override;
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void OnPadLength(size_t trailing_length) override;
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void OnPadding(const char* pad, size_t skipped_length) override;
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void OnRstStream(const Http2FrameHeader& header,
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Http2ErrorCode error_code) override;
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void OnSettingsStart(const Http2FrameHeader& header) override;
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void OnSetting(const Http2SettingFields& setting_fields) override;
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void OnSettingsEnd() override;
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void OnSettingsAck(const Http2FrameHeader& header) override;
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void OnPushPromiseStart(const Http2FrameHeader& header,
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const Http2PushPromiseFields& promise,
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size_t total_padding_length) override;
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void OnPushPromiseEnd() override;
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void OnPing(const Http2FrameHeader& header,
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const Http2PingFields& ping) override;
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void OnPingAck(const Http2FrameHeader& header,
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const Http2PingFields& ping) override;
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void OnGoAwayStart(const Http2FrameHeader& header,
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const Http2GoAwayFields& goaway) override;
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void OnGoAwayOpaqueData(const char* data, size_t len) override;
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void OnGoAwayEnd() override;
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void OnWindowUpdate(const Http2FrameHeader& header,
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uint32_t increment) override;
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void OnAltSvcStart(const Http2FrameHeader& header,
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size_t origin_length,
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size_t value_length) override;
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void OnAltSvcOriginData(const char* data, size_t len) override;
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void OnAltSvcValueData(const char* data, size_t len) override;
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void OnAltSvcEnd() override;
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void OnUnknownStart(const Http2FrameHeader& header) override;
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void OnUnknownPayload(const char* data, size_t len) override;
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void OnUnknownEnd() override;
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void OnPaddingTooLong(const Http2FrameHeader& header,
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size_t missing_length) override;
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void OnFrameSizeError(const Http2FrameHeader& header) override;
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void AppendSetting(const Http2SettingFields& setting_fields) {
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settings_.push_back(setting_fields);
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}
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const Http2FrameHeader& GetFrameHeader() const { return frame_header_; }
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base::Optional<Http2PriorityFields> GetOptPriority() const {
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return opt_priority_;
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}
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base::Optional<Http2ErrorCode> GetOptRstStreamErrorCode() const {
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return opt_rst_stream_error_code_;
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}
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base::Optional<Http2PushPromiseFields> GetOptPushPromise() const {
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return opt_push_promise_;
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}
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base::Optional<Http2PingFields> GetOptPing() const { return opt_ping_; }
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base::Optional<Http2GoAwayFields> GetOptGoaway() const { return opt_goaway_; }
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base::Optional<size_t> GetOptPadLength() const { return opt_pad_length_; }
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base::Optional<size_t> GetOptPayloadLength() const {
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return opt_payload_length_;
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}
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base::Optional<size_t> GetOptMissingLength() const {
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return opt_missing_length_;
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}
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base::Optional<size_t> GetOptAltsvcOriginLength() const {
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return opt_altsvc_origin_length_;
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}
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base::Optional<size_t> GetOptAltsvcValueLength() const {
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return opt_altsvc_value_length_;
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}
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base::Optional<size_t> GetOptWindowUpdateIncrement() const {
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return opt_window_update_increment_;
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}
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bool GetHasFrameSizeError() const { return has_frame_size_error_; }
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void SetOptPriority(base::Optional<Http2PriorityFields> opt_priority) {
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opt_priority_ = opt_priority;
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}
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void SetOptRstStreamErrorCode(
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base::Optional<Http2ErrorCode> opt_rst_stream_error_code) {
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opt_rst_stream_error_code_ = opt_rst_stream_error_code;
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}
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void SetOptPushPromise(
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base::Optional<Http2PushPromiseFields> opt_push_promise) {
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opt_push_promise_ = opt_push_promise;
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}
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void SetOptPing(base::Optional<Http2PingFields> opt_ping) {
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opt_ping_ = opt_ping;
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}
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void SetOptGoaway(base::Optional<Http2GoAwayFields> opt_goaway) {
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opt_goaway_ = opt_goaway;
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}
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void SetOptPadLength(base::Optional<size_t> opt_pad_length) {
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opt_pad_length_ = opt_pad_length;
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}
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void SetOptPayloadLength(base::Optional<size_t> opt_payload_length) {
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opt_payload_length_ = opt_payload_length;
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}
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void SetOptMissingLength(base::Optional<size_t> opt_missing_length) {
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opt_missing_length_ = opt_missing_length;
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}
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void SetOptAltsvcOriginLength(
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base::Optional<size_t> opt_altsvc_origin_length) {
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opt_altsvc_origin_length_ = opt_altsvc_origin_length;
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}
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void SetOptAltsvcValueLength(base::Optional<size_t> opt_altsvc_value_length) {
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opt_altsvc_value_length_ = opt_altsvc_value_length;
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}
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void SetOptWindowUpdateIncrement(
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base::Optional<size_t> opt_window_update_increment) {
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opt_window_update_increment_ = opt_window_update_increment;
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}
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void SetHasFrameSizeError(bool has_frame_size_error) {
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has_frame_size_error_ = has_frame_size_error;
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}
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private:
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// ASSERT during an On* method that we're handling a frame of type
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// expected_frame_type, and have not already received other On* methods
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// (i.e. got_start_callback is false).
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::testing::AssertionResult StartFrameOfType(
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const Http2FrameHeader& header,
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Http2FrameType expected_frame_type);
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// ASSERT that StartFrameOfType has already been called with
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// expected_frame_type (i.e. got_start_callback has been called), and that
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// EndFrameOfType has not yet been called (i.e. got_end_callback is false).
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::testing::AssertionResult InFrameOfType(Http2FrameType expected_frame_type);
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// ASSERT that we're InFrameOfType, and then sets got_end_callback=true.
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::testing::AssertionResult EndFrameOfType(Http2FrameType expected_frame_type);
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// ASSERT that we're in the middle of processing a frame that is padded.
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::testing::AssertionResult InPaddedFrame();
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// Append source to target. If opt_length is not nullptr, then verifies that
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// the optional has a value (i.e. that the necessary On*Start method has been
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// called), and that target is not longer than opt_length->value().
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::testing::AssertionResult AppendString(Http2StringPiece source,
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Http2String* target,
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base::Optional<size_t>* opt_length);
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const Http2FrameHeader frame_header_;
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Http2String payload_;
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Http2String padding_;
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Http2String altsvc_origin_;
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Http2String altsvc_value_;
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base::Optional<Http2PriorityFields> opt_priority_;
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base::Optional<Http2ErrorCode> opt_rst_stream_error_code_;
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base::Optional<Http2PushPromiseFields> opt_push_promise_;
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base::Optional<Http2PingFields> opt_ping_;
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base::Optional<Http2GoAwayFields> opt_goaway_;
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base::Optional<size_t> opt_pad_length_;
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base::Optional<size_t> opt_payload_length_;
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base::Optional<size_t> opt_missing_length_;
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base::Optional<size_t> opt_altsvc_origin_length_;
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base::Optional<size_t> opt_altsvc_value_length_;
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base::Optional<size_t> opt_window_update_increment_;
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bool has_frame_size_error_ = false;
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std::vector<Http2SettingFields> settings_;
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// These booleans are not checked by CompareCollectedFrames.
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bool got_start_callback_ = false;
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bool got_end_callback_ = false;
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};
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std::ostream& operator<<(std::ostream& out, const FrameParts& v);
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} // namespace test
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} // namespace http2
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#endif // NET_THIRD_PARTY_HTTP2_TEST_TOOLS_FRAME_PARTS_H_
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