chrome/browser/media/router/media_router_base_unittest.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 "base/bind.h"
#include "chrome/browser/media/router/mock_media_router.h"
#include "chrome/browser/media/router/test_helper.h"
#include "content/public/browser/presentation_session.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

using testing::_;

namespace media_router {

// MockMediaRouter inherits from MediaRouterBase but overrides some of its
// methods with mock methods, so we must override them again.
class MockMediaRouterBase : public MockMediaRouter {
 public:
  MockMediaRouterBase() {}
  ~MockMediaRouterBase() override {}

  std::unique_ptr<PresentationConnectionStateSubscription>
  AddPresentationConnectionStateChangedCallback(
      const MediaRoute::Id& route_id,
      const content::PresentationConnectionStateChangedCallback& callback)
      override {
    return MediaRouterBase::AddPresentationConnectionStateChangedCallback(
        route_id, callback);
  }

  void OnIncognitoProfileShutdown() override {
    MediaRouterBase::OnIncognitoProfileShutdown();
  }
};

TEST(MediaRouterBaseTest, CreatePresentationIds) {
  std::string id1 = MediaRouterBase::CreatePresentationId();
  std::string id2 = MediaRouterBase::CreatePresentationId();
  EXPECT_NE(id1, "");
  EXPECT_NE(id2, "");
  EXPECT_NE(id1, id2);
}

TEST(MediaRouterBaseTest, NotifyCallbacks) {
  content::TestBrowserThreadBundle thread_bundle_;
  MockMediaRouterBase router;
  router.Initialize();

  MediaRoute::Id route_id1("id1");
  MediaRoute::Id route_id2("id2");
  MockPresentationConnectionStateChangedCallback callback1;
  MockPresentationConnectionStateChangedCallback callback2;
  std::unique_ptr<PresentationConnectionStateSubscription> subscription1 =
      router.AddPresentationConnectionStateChangedCallback(
          route_id1,
          base::Bind(&MockPresentationConnectionStateChangedCallback::Run,
                     base::Unretained(&callback1)));
  std::unique_ptr<PresentationConnectionStateSubscription> subscription2 =
      router.AddPresentationConnectionStateChangedCallback(
          route_id2,
          base::Bind(&MockPresentationConnectionStateChangedCallback::Run,
                     base::Unretained(&callback2)));

  content::PresentationConnectionStateChangeInfo change_info_connected(
      content::PRESENTATION_CONNECTION_STATE_CONNECTED);
  content::PresentationConnectionStateChangeInfo change_info_terminated(
      content::PRESENTATION_CONNECTION_STATE_TERMINATED);
  content::PresentationConnectionStateChangeInfo change_info_closed(
      content::PRESENTATION_CONNECTION_STATE_CLOSED);
  change_info_closed.close_reason =
      content::PRESENTATION_CONNECTION_CLOSE_REASON_WENT_AWAY;
  change_info_closed.message = "Test message";

  EXPECT_CALL(callback1, Run(StateChangeInfoEquals(change_info_connected)));
  router.NotifyPresentationConnectionStateChange(
      route_id1, content::PRESENTATION_CONNECTION_STATE_CONNECTED);

  EXPECT_CALL(callback2, Run(StateChangeInfoEquals(change_info_connected)));
  router.NotifyPresentationConnectionStateChange(
      route_id2, content::PRESENTATION_CONNECTION_STATE_CONNECTED);

  EXPECT_CALL(callback1, Run(StateChangeInfoEquals(change_info_closed)));
  router.NotifyPresentationConnectionClose(
      route_id1, change_info_closed.close_reason, change_info_closed.message);

  // After removing a subscription, the corresponding callback should no longer
  // be called.
  subscription1.reset();
  router.NotifyPresentationConnectionStateChange(
      route_id1, content::PRESENTATION_CONNECTION_STATE_TERMINATED);

  EXPECT_CALL(callback2, Run(StateChangeInfoEquals(change_info_terminated)));
  router.NotifyPresentationConnectionStateChange(
      route_id2, content::PRESENTATION_CONNECTION_STATE_TERMINATED);

  subscription2.reset();
  router.NotifyPresentationConnectionStateChange(
      route_id2, content::PRESENTATION_CONNECTION_STATE_TERMINATED);

  router.Shutdown();
}

}  // namespace media_router