Revert of [chromecast] Make testnames consistent.

chromecast/browser/test/cast_media_blocker_test.cc

+// Copyright 2016 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 "chromecast/browser/cast_media_blocker.h"
+
+#include <memory>
+
+#include "base/memory/ptr_util.h"
+#include "content/public/browser/media_session.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/test/test_content_client_initializer.h"
+#include "content/public/test/test_renderer_host.h"
+#include "content/public/test/web_contents_tester.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromecast {
+namespace shell {
+
+using ::testing::_;
+using ::testing::Invoke;
+
+class MockMediaSession : public content::MediaSession {
+ public:
+  explicit MockMediaSession(content::MediaSession* session) {
+    // Delegate the calls to the real MediaSession.
+    ON_CALL(*this, Resume(_))
+        .WillByDefault(Invoke(session, &MediaSession::Resume));
+    ON_CALL(*this, Suspend(_))
+        .WillByDefault(Invoke(session, &MediaSession::Suspend));
+    ON_CALL(*this, Stop(_)).WillByDefault(Invoke(session, &MediaSession::Stop));
+  }
+  ~MockMediaSession() {}
+
+  MOCK_METHOD1(Resume, void(content::MediaSession::SuspendType));
+  MOCK_METHOD1(Suspend, void(content::MediaSession::SuspendType));
+  MOCK_METHOD1(Stop, void(content::MediaSession::SuspendType));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockMediaSession);
+};
+
+class CastMediaBlockerTest : public content::RenderViewHostTestHarness {
+ public:
+  CastMediaBlockerTest() {}
+  ~CastMediaBlockerTest() override {}
+
+  void SetUp() override {
+    initializer_ = base::MakeUnique<content::TestContentClientInitializer>();
+    content::RenderViewHostTestHarness::SetUp();
+    media_session_ = base::MakeUnique<MockMediaSession>(
+        content::MediaSession::Get(web_contents()));
+    media_blocker_ = base::MakeUnique<CastMediaBlocker>(media_session_.get(),
+                                                        web_contents());
+
+    content::WebContentsTester::For(web_contents())
+        ->NavigateAndCommit(GURL("https://www.youtube.com"));
+  }
+
+  void TearDown() override { content::RenderViewHostTestHarness::TearDown(); }
+
+  void MediaSessionChanged(bool controllable, bool suspended) {
+    media_blocker_->MediaSessionStateChanged(controllable, suspended);
+  }
+
+ protected:
+  std::unique_ptr<content::TestContentClientInitializer> initializer_;
+  std::unique_ptr<MockMediaSession> media_session_;
+  std::unique_ptr<CastMediaBlocker> media_blocker_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CastMediaBlockerTest);
+};
+
+TEST_F(CastMediaBlockerTest, Block_Unblock_Suspended) {
+  // Testing block/unblock operations do nothing if media never plays.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  media_blocker_->BlockMediaLoading(true);
+  media_blocker_->BlockMediaLoading(false);
+
+  MediaSessionChanged(true, true);
+  media_blocker_->BlockMediaLoading(true);
+  media_blocker_->BlockMediaLoading(false);
+
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(false, true);
+  media_blocker_->BlockMediaLoading(false);
+}
+
+TEST_F(CastMediaBlockerTest, No_Block) {
+  // Tests CastMediaBlocker does nothing if block/unblock is not called.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+
+  // Media becomes controllable/uncontrollable.
+  MediaSessionChanged(true, true);
+  MediaSessionChanged(false, true);
+
+  // Media starts and stops.
+  MediaSessionChanged(false, false);
+  MediaSessionChanged(false, true);
+
+  // Media starts, changes controllability and stops.
+  MediaSessionChanged(false, false);
+  MediaSessionChanged(true, false);
+  MediaSessionChanged(false, false);
+  MediaSessionChanged(false, true);
+
+  // Media starts, changes controllability and stops.
+  MediaSessionChanged(false, false);
+  MediaSessionChanged(true, false);
+  MediaSessionChanged(true, true);
+}
+
+TEST_F(CastMediaBlockerTest, Block_Before_Controllable) {
+  // Tests CastMediaBlocker only suspends when controllable.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  media_blocker_->BlockMediaLoading(true);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  // Session becomes controllable
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, false);
+}
+
+TEST_F(CastMediaBlockerTest, Block_After_Controllable) {
+  // Tests CastMediaBlocker suspends immediately on block if controllable.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, false);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  // Block when media is playing
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(true, true);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  // Unblock
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(1);
+  media_blocker_->BlockMediaLoading(false);
+}
+
+TEST_F(CastMediaBlockerTest, Block_Multiple) {
+  // Tests CastMediaBlocker repeatively suspends when blocked.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(false, false);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, false);
+  MediaSessionChanged(true, true);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, false);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+  MediaSessionChanged(true, true);
+
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(false, true);
+  MediaSessionChanged(false, false);
+  MediaSessionChanged(false, true);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+}
+
+TEST_F(CastMediaBlockerTest, Block_Unblock_Uncontrollable) {
+  // Tests CastMediaBlocker does not suspend or resume when uncontrollable.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(false, false);
+  media_blocker_->BlockMediaLoading(false);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(false, true);
+  media_blocker_->BlockMediaLoading(false);
+  media_blocker_->BlockMediaLoading(true);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+}
+
+TEST_F(CastMediaBlockerTest, Block_Unblock_Uncontrollable2) {
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, true);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(false, true);
+  MediaSessionChanged(true, true);
+  MediaSessionChanged(true, false);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(false, false);
+  MediaSessionChanged(false, true);
+  MediaSessionChanged(true, true);
+  MediaSessionChanged(true, false);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  media_blocker_->BlockMediaLoading(false);
+}
+
+TEST_F(CastMediaBlockerTest, Resume_When_Controllable) {
+  // Tests CastMediaBlocker will only resume after unblock when controllable.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, false);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(true, true);
+  MediaSessionChanged(false, true);
+  media_blocker_->BlockMediaLoading(false);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(1);
+  MediaSessionChanged(true, true);
+}
+
+TEST_F(CastMediaBlockerTest, No_Resume) {
+  // Tests CastMediaBlocker will not resume if media starts playing by itself
+  // after unblock.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, false);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(true, true);
+  MediaSessionChanged(false, true);
+  media_blocker_->BlockMediaLoading(false);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(false, false);
+}
+
+TEST_F(CastMediaBlockerTest, Block_Before_Resume) {
+  // Tests CastMediaBlocker does not resume if blocked again after an unblock.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, false);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(true, true);
+  MediaSessionChanged(false, true);
+  media_blocker_->BlockMediaLoading(false);
+  testing::Mock::VerifyAndClearExpectations(media_session_.get());
+
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(0);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  media_blocker_->BlockMediaLoading(true);
+  MediaSessionChanged(true, true);
+}
+
+TEST_F(CastMediaBlockerTest, Unblocked_Already_Playing) {
+  // Tests CastMediaBlocker does not resume if unblocked and media is playing.
+  EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
+  EXPECT_CALL(*media_session_, Resume(_)).Times(0);
+  MediaSessionChanged(true, false);
+  media_blocker_->BlockMediaLoading(true);
+  media_blocker_->BlockMediaLoading(false);
+}
+
+}  // namespace shell
+}  // namespace chromecast