html_video_element_capturer_source_unittest.cc

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/modules/mediacapturefromelement/html_video_element_capturer_source.h"

#include <memory>
#include <utility>

#include "base/functional/bind.h"
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/gmock_callback_support.h"
#include "cc/paint/paint_canvas.h"
#include "cc/paint/paint_flags.h"
#include "media/base/limits.h"
#include "media/base/video_frame.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/scheduler/test/renderer_scheduler_test_support.h"
#include "third_party/blink/public/platform/web_media_player.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/renderer/platform/testing/task_environment.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"

RunOnceClosure;
_;
DoAll;
InSequence;
Mock;
SaveArg;

namespace blink {

namespace {

// An almost empty WebMediaPlayer to override paint() method.
class MockWebMediaPlayer : public WebMediaPlayer { … };

}  // namespace

class HTMLVideoElementCapturerSourceTest : public testing::TestWithParam<bool> { … };

// Constructs and destructs all objects, in particular |html_video_capturer_|
// and its inner object(s). This is a non trivial sequence.
TEST_F(HTMLVideoElementCapturerSourceTest, ConstructAndDestruct) { … }

TEST_F(HTMLVideoElementCapturerSourceTest, EmptyWebMediaPlayerFailsCapture) { … }

// Checks that the usual sequence of GetPreferredFormats() ->
// StartCapture() -> StopCapture() works as expected and let it capture two
// frames, that are tested for format vs the expected source opacity.
TEST_P(HTMLVideoElementCapturerSourceTest, GetFormatsAndStartAndStop) { … }

INSTANTIATE_TEST_SUITE_P(…);

// When a new source is created and started, it is stopped in the same task
// when cross-origin data is detected. This test checks that no data is
// delivered in this case.
TEST_F(HTMLVideoElementCapturerSourceTest,
       StartAndStopInSameTaskCaptureZeroFrames) { … }

// Verify that changes in the opacicty of the source WebMediaPlayer are followed
// by corresponding changes in the format of the captured VideoFrame.
TEST_F(HTMLVideoElementCapturerSourceTest, AlphaAndNot) { … }

// Verify that changes in the natural size of the source WebMediaPlayer do not
// crash.
// TODO(crbug.com/1817203): Verify that size changes are fully supported.
TEST_F(HTMLVideoElementCapturerSourceTest, SizeChange) { … }

// Checks that the usual sequence of GetPreferredFormats() ->
// StartCapture() -> StopCapture() works as expected and let it capture two
// frames, that are tested for format vs the expected source opacity.
TEST_F(HTMLVideoElementCapturerSourceTest, TaintedPlayerDoesNotDeliverFrames) { … }

}  // namespace blink
chromium/third_party/blink/renderer/modules/mediacapturefromelement/html_video_element_capturer_source_unittest.cc
