Add HTMLVideoElementTest

third_party/WebKit/Source/core/html/HTMLVideoElementTest.cpp

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/html/HTMLVideoElement.h"
+
+#include "core/dom/Document.h"
+#include "core/loader/EmptyClients.h"
+#include "core/page/NetworkStateNotifier.h"
+#include "core/testing/DummyPageHolder.h"
+#include "platform/UserGestureIndicator.h"
+#include "platform/testing/UnitTestHelpers.h"
+#include "public/platform/WebMediaPlayer.h"
+#include "public/platform/WebSize.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+namespace {
+
+class EmptyWebMediaPlayer : public WebMediaPlayer {
+public:
+    void load(LoadType, const WebURL&, CORSMode) override { };
+    void play() override { };
+    void pause() override { };
+    bool supportsSave() const override { return false; };
+    void seek(double seconds) override { };
+    void setRate(double) override { };
+    void setVolume(double) override { };
+    WebTimeRanges buffered() const override { return WebTimeRanges(); };
+    WebTimeRanges seekable() const override { return WebTimeRanges(); };
+    void setSinkId(const WebString& sinkId, const WebSecurityOrigin&, WebSetSinkIdCallbacks*) override { };
+    bool hasVideo() const override { return false; };
+    bool hasAudio() const override { return false; };
+    WebSize naturalSize() const override { return WebSize(0, 0); };
+    bool paused() const override { return false; };
+    bool seeking() const override { return false; };
+    double duration() const override { return 0.0; };
+    double currentTime() const override { return 0.0; };
+    NetworkState networkState() const override { return NetworkStateEmpty; };
+    ReadyState readyState() const override { return ReadyStateHaveNothing; };
+    bool didLoadingProgress() override { return false; };
+    bool hasSingleSecurityOrigin() const override { return true; };
+    bool didPassCORSAccessCheck() const override { return true; };
+    double mediaTimeForTimeValue(double timeValue) const override { return timeValue; };
+    unsigned decodedFrameCount() const override { return 0; };
+    unsigned droppedFrameCount() const override { return 0; };
+    unsigned audioDecodedByteCount() const override { return 0; };
+    unsigned videoDecodedByteCount() const override { return 0; };
+    void paint(WebCanvas*, const WebRect&, unsigned char alpha, SkXfermode::Mode) override { };
+};
+
+class MockWebMediaPlayer : public EmptyWebMediaPlayer {
+public:
+    MOCK_METHOD1(setBufferingStrategy, void(BufferingStrategy));
+};
+
+class StubFrameLoaderClient : public EmptyFrameLoaderClient {
+public:
+    static PassOwnPtrWillBeRawPtr<StubFrameLoaderClient> create()
+    {
+        return adoptPtrWillBeNoop(new StubFrameLoaderClient);
+    }
+
+    PassOwnPtr<WebMediaPlayer> createWebMediaPlayer(HTMLMediaElement&, const WebURL&, WebMediaPlayerClient*) override
+    {
+        return adoptPtr(new MockWebMediaPlayer);
+    }
+};
+
+} // namespace
+
+class HTMLVideoElementTest : public ::testing::Test {
+protected:
+    HTMLVideoElementTest()
+        : m_dummyPageHolder(DummyPageHolder::create(IntSize(640, 360), nullptr, StubFrameLoaderClient::create()))
+    {
+        // TODO(sandersd): This should be done by a settings initializer.
+        networkStateNotifier().setWebConnection(WebConnectionTypeWifi, 54.0);
+        m_video = HTMLVideoElement::create(m_dummyPageHolder->document());
+    }
+
+    void setSrc(const AtomicString& url)
+    {
+        m_video->setSrc(url);
+        testing::runPendingTasks();
+    }
+
+    MockWebMediaPlayer* webMediaPlayer()
+    {
+        return static_cast<MockWebMediaPlayer*>(m_video->webMediaPlayer());
+    }
+
+    OwnPtr<DummyPageHolder> m_dummyPageHolder;
+    RefPtrWillBePersistent<HTMLVideoElement> m_video;
+};
+
+TEST_F(HTMLVideoElementTest, setBufferingStrategy_NonUserPause)
+{
+    setSrc("http://foo.bar/");
+    MockWebMediaPlayer* player = webMediaPlayer();
+    ASSERT_TRUE(player);
+
+    // On play, the strategy is set to normal.
+    EXPECT_CALL(*player, setBufferingStrategy(WebMediaPlayer::BufferingStrategy::Normal));
+    m_video->play();
+    ::testing::Mock::VerifyAndClearExpectations(player);
+
+    // On a non-user pause, the strategy is not changed.
+    m_video->pause();
+    ::testing::Mock::VerifyAndClearExpectations(player);
+
+    // On play, the strategy is set to normal.
+    EXPECT_CALL(*player, setBufferingStrategy(WebMediaPlayer::BufferingStrategy::Normal));
+    m_video->play();
+    ::testing::Mock::VerifyAndClearExpectations(player);
+}
+
+TEST_F(HTMLVideoElementTest, setBufferingStrategy_UserPause)
+{
+    setSrc("http://foo.bar/");
+    MockWebMediaPlayer* player = webMediaPlayer();
+    ASSERT_TRUE(player);
+
+    // On play, the strategy is set to normal.
+    EXPECT_CALL(*player, setBufferingStrategy(WebMediaPlayer::BufferingStrategy::Normal));
+    m_video->play();
+    ::testing::Mock::VerifyAndClearExpectations(player);
+
+    // On a user pause, the strategy is set to aggressive.
+    EXPECT_CALL(*player, setBufferingStrategy(WebMediaPlayer::BufferingStrategy::Aggressive));
+    {
+        UserGestureIndicator gesture(DefinitelyProcessingUserGesture);
+        m_video->pause();
+    }
+    ::testing::Mock::VerifyAndClearExpectations(player);
+
+    // On play, the strategy is set to normal.
+    EXPECT_CALL(*player, setBufferingStrategy(WebMediaPlayer::BufferingStrategy::Normal));
+    m_video->play();
+    ::testing::Mock::VerifyAndClearExpectations(player);
+}
+
+} // namespace blink