[Presentation API / Media Router] Clean up default pres URL logic.

chrome/browser/media/router/presentation_service_delegate_impl_unittest.cc

 // 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 <vector>
 
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/media/router/media_source.h"
 #include "chrome/browser/media/router/media_source_helper.h"
 #include "chrome/browser/media/router/mock_media_router.h"
 #include "chrome/browser/media/router/mock_screen_availability_listener.h"
 #include "chrome/browser/media/router/presentation_service_delegate_impl.h"
 #include "chrome/browser/media/router/test_helper.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "content/public/browser/presentation_screen_availability_listener.h"
 #include "content/public/browser/presentation_session.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/web_contents_tester.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using ::testing::_;
 using ::testing::Mock;
 using ::testing::Return;
+using ::testing::SaveArg;
 using ::testing::StrictMock;
 
 namespace media_router {
 
 class MockDelegateObserver
     : public content::PresentationServiceDelegate::Observer {
  public:
   MOCK_METHOD0(OnDelegateDestroyed, void());
   MOCK_METHOD1(OnDefaultPresentationStarted,
                void(const content::PresentationSessionInfo&));
 };
 
-class MockDefaultMediaSourceObserver
-    : public PresentationServiceDelegateImpl::DefaultMediaSourceObserver {
+class MockDefaultPresentationRequestObserver
+    : public PresentationServiceDelegateImpl::
+          DefaultPresentationRequestObserver {
  public:
-  MOCK_METHOD2(OnDefaultMediaSourceChanged,
-               void(const MediaSource&, const GURL&));
+  MOCK_METHOD1(OnDefaultPresentationChanged, void(const PresentationRequest*));
 };
 
 class PresentationServiceDelegateImplTest
     : public ChromeRenderViewHostTestHarness {
  public:
   void SetUp() override {
     ChromeRenderViewHostTestHarness::SetUp();
     content::WebContents* wc = web_contents();
     ASSERT_TRUE(wc);
     PresentationServiceDelegateImpl::CreateForWebContents(wc);
     delegate_impl_ = PresentationServiceDelegateImpl::FromWebContents(wc);
     delegate_impl_->SetMediaRouterForTest(&router_);
   }
 
+  MOCK_METHOD1(OnDefaultPresentationStarted,
+               void(const content::PresentationSessionInfo& session_info));
+
   PresentationServiceDelegateImpl* delegate_impl_;
   MockMediaRouter router_;
 };
 
 TEST_F(PresentationServiceDelegateImplTest, AddScreenAvailabilityListener) {
   ON_CALL(router_, RegisterMediaSinksObserver(_)).WillByDefault(Return(true));
 
   std::string presentation_url1("http://url1");
   std::string presentation_url2("http://url2");
   MediaSource source1 = MediaSourceForPresentationUrl(presentation_url1);
@@ skipping 44 matching lines @@
   EXPECT_TRUE(delegate_impl_->HasScreenAvailabilityListenerForTest(
       render_process_id, render_frame_id, source1.id()));
 
   EXPECT_CALL(router_, UnregisterMediaSinksObserver(_)).Times(1);
   delegate_impl_->RemoveScreenAvailabilityListener(render_process_id,
                                                    render_frame_id, &listener1);
   EXPECT_FALSE(delegate_impl_->HasScreenAvailabilityListenerForTest(
       render_process_id, render_frame_id, source1.id()));
 }
 
+// TODO(imcheng): Add a test to set default presentation URL in a different
+// RenderFrameHost and verify that it works.
 TEST_F(PresentationServiceDelegateImplTest, SetDefaultPresentationUrl) {
+  EXPECT_FALSE(delegate_impl_->GetDefaultPresentationRequest());
+
+  GURL frame_url("http://www.google.com");
+  content::WebContentsTester::For(web_contents())->NavigateAndCommit(frame_url);
+  content::RenderFrameHost* main_frame = web_contents()->GetMainFrame();
+  ASSERT_TRUE(main_frame);
+  int render_process_id = main_frame->GetProcess()->GetID();
+  int routing_id = main_frame->GetRoutingID();
+
+  auto callback = base::Bind(
+      &PresentationServiceDelegateImplTest::OnDefaultPresentationStarted,
+      base::Unretained(this));
+  std::string presentation_url1("http://foo");
+  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id,
+                                            presentation_url1, callback);
+  const PresentationRequest* request =
+      delegate_impl_->GetDefaultPresentationRequest();
+  ASSERT_TRUE(request);
+  EXPECT_EQ(presentation_url1, request->presentation_url());
+  EXPECT_EQ(RenderFrameHostId(render_process_id, routing_id),
+            request->render_frame_host_id());
+  EXPECT_EQ(frame_url, request->frame_url());
+
+  // Set to a new default presentation URL
+  std::string presentation_url2("https://youtube.com");
+  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id,
+                                            presentation_url2, callback);
+  request = delegate_impl_->GetDefaultPresentationRequest();
+  ASSERT_TRUE(request);
+  EXPECT_EQ(presentation_url2, request->presentation_url());
+  EXPECT_EQ(RenderFrameHostId(render_process_id, routing_id),
+            request->render_frame_host_id());
+  EXPECT_EQ(frame_url, request->frame_url());
+
+  // Remove default presentation URL.
+  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id, "",
+                                            callback);
+  request = delegate_impl_->GetDefaultPresentationRequest();
+  EXPECT_FALSE(request);
+}
+
+TEST_F(PresentationServiceDelegateImplTest, DefaultPresentationUrlCallback) {
+  content::RenderFrameHost* main_frame = web_contents()->GetMainFrame();
+  ASSERT_TRUE(main_frame);
+  int render_process_id = main_frame->GetProcess()->GetID();
+  int routing_id = main_frame->GetRoutingID();
+
+  auto callback = base::Bind(
+      &PresentationServiceDelegateImplTest::OnDefaultPresentationStarted,
+      base::Unretained(this));
+  std::string presentation_url1("http://foo");
+  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id,
+                                            presentation_url1, callback);
+
+  const PresentationRequest* request =
+      delegate_impl_->GetDefaultPresentationRequest();
+  ASSERT_TRUE(request);
+
+  // Should not trigger callback since route response is error.
+  delegate_impl_->OnRouteResponse(*request, nullptr, "", "Error");
+  EXPECT_TRUE(Mock::VerifyAndClearExpectations(this));
+
+  // Should not trigger callback since request doesn't match.
+  std::string presentation_url2("http://bar");
+  PresentationRequest different_request(RenderFrameHostId(100, 200),
+                                        presentation_url2,
+                                        GURL("http://anotherFrameUrl"));
+  MediaRoute different_route("differentRouteId",
+                             MediaSourceForPresentationUrl(presentation_url2),
+                             "mediaSinkId", "", true, "", true);
+  delegate_impl_->OnRouteResponse(different_request, &different_route,
+                                  "differentPresentationId", "");
+  EXPECT_TRUE(Mock::VerifyAndClearExpectations(this));
+
+  // Should trigger callback since request matches.
+  MediaRoute route("routeId", MediaSourceForPresentationUrl(presentation_url1),
+                   "mediaSinkId", "", true, "", true);
+  EXPECT_CALL(*this, OnDefaultPresentationStarted(_)).Times(1);
+  delegate_impl_->OnRouteResponse(*request, &route, "presentationId", "");
+}
+
+TEST_F(PresentationServiceDelegateImplTest,
+       DefaultPresentationRequestObserver) {
+  auto callback = base::Bind(
+      &PresentationServiceDelegateImplTest::OnDefaultPresentationStarted,
+      base::Unretained(this));
+
+  StrictMock<MockDefaultPresentationRequestObserver> observer;
+  delegate_impl_->AddDefaultPresentationRequestObserver(&observer);
+
   content::WebContentsTester::For(web_contents())
       ->NavigateAndCommit(GURL("http://www.google.com"));
   content::RenderFrameHost* main_frame = web_contents()->GetMainFrame();
   ASSERT_TRUE(main_frame);
   int render_process_id = main_frame->GetProcess()->GetID();
   int routing_id = main_frame->GetRoutingID();
 
-  std::string presentation_url1("http://foo");
-  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id,
-                                            presentation_url1);
-  EXPECT_TRUE(delegate_impl_->default_source().Equals(
-      MediaSourceForPresentationUrl(presentation_url1)));
+  std::string url1("http://foo");
+  const PresentationRequest* observed_request = nullptr;
+  EXPECT_CALL(observer, OnDefaultPresentationChanged(_))
+      .WillOnce(SaveArg<0>(&observed_request));
+  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id, url1,
+                                            callback);
+
+  const PresentationRequest* request =
+      delegate_impl_->GetDefaultPresentationRequest();
+  ASSERT_TRUE(request);
+  EXPECT_EQ(request, observed_request);
+
+  EXPECT_TRUE(Mock::VerifyAndClearExpectations(&observer));
+  observed_request = nullptr;
+  request = nullptr;
+
+  std::string url2("http://youtube.com");
+  EXPECT_CALL(observer, OnDefaultPresentationChanged(_))
+      .WillOnce(SaveArg<0>(&observed_request));
+  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id, url2,
+                                            callback);
+  request = delegate_impl_->GetDefaultPresentationRequest();
+  ASSERT_TRUE(request);
+  EXPECT_EQ(request, observed_request);
+
+  EXPECT_TRUE(Mock::VerifyAndClearExpectations(&observer));
+  observed_request = nullptr;
+  request = nullptr;
 
   // Remove default presentation URL.
-  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id, "");
-  EXPECT_TRUE(delegate_impl_->default_source().Empty());
-
-  // Set to a new default presentation URL
-  std::string presentation_url2("https://youtube.com");
-  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id,
-                                            presentation_url2);
-  EXPECT_TRUE(delegate_impl_->default_source().Equals(
-      MediaSourceForPresentationUrl(presentation_url2)));
-}
-
-TEST_F(PresentationServiceDelegateImplTest, DefaultMediaSourceObserver) {
-  content::WebContentsTester::For(web_contents())
-      ->NavigateAndCommit(GURL("http://www.google.com"));
-  content::RenderFrameHost* main_frame = web_contents()->GetMainFrame();
-  ASSERT_TRUE(main_frame);
-  int render_process_id = main_frame->GetProcess()->GetID();
-  int routing_id = main_frame->GetRoutingID();
-  StrictMock<MockDefaultMediaSourceObserver> observer1;
-  StrictMock<MockDefaultMediaSourceObserver> observer2;
-  delegate_impl_->AddDefaultMediaSourceObserver(&observer1);
-  delegate_impl_->AddDefaultMediaSourceObserver(&observer2);
-  std::string url1("http://foo");
-  EXPECT_CALL(observer1, OnDefaultMediaSourceChanged(
-                             Equals(MediaSourceForPresentationUrl(url1)),
-                             GURL("http://www.google.com"))).Times(1);
-  EXPECT_CALL(observer2, OnDefaultMediaSourceChanged(
-                             Equals(MediaSourceForPresentationUrl(url1)),
-                             GURL("http://www.google.com"))).Times(1);
-  delegate_impl_->SetDefaultPresentationUrl(render_process_id,
-                                            routing_id, url1);
-
-  EXPECT_TRUE(Mock::VerifyAndClearExpectations(&observer1));
-  EXPECT_TRUE(Mock::VerifyAndClearExpectations(&observer2));
-
-  delegate_impl_->RemoveDefaultMediaSourceObserver(&observer2);
-  std::string url2("http://youtube.com");
-  EXPECT_CALL(observer1, OnDefaultMediaSourceChanged(
-                             Equals(MediaSourceForPresentationUrl(url2)),
-                             GURL("http://www.google.com"))).Times(1);
-  delegate_impl_->SetDefaultPresentationUrl(render_process_id,
-                                            routing_id, url2);
-
-  EXPECT_TRUE(Mock::VerifyAndClearExpectations(&observer1));
-  // Remove default presentation URL.
-  EXPECT_CALL(observer1, OnDefaultMediaSourceChanged(
-                             Equals(MediaSource()),
-                             GURL("http://www.google.com"))).Times(1);
-  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id, "");
+  EXPECT_CALL(observer, OnDefaultPresentationChanged(nullptr)).Times(1);
+  delegate_impl_->SetDefaultPresentationUrl(render_process_id, routing_id, "",
+                                            callback);
 }
 
 TEST_F(PresentationServiceDelegateImplTest, Reset) {
   ON_CALL(router_, RegisterMediaSinksObserver(_)).WillByDefault(Return(true));
 
   std::string presentation_url1("http://url1");
   MediaSource source = MediaSourceForPresentationUrl(presentation_url1);
   MockScreenAvailabilityListener listener1(presentation_url1);
   int render_process_id = 1;
   int render_frame_id = 0;
@@ skipping 33 matching lines @@
   MockScreenAvailabilityListener listener(presentation_url);
   const int render_process_id = 10;
   const int render_frame_id = 1;
 
   EXPECT_CALL(router_, RegisterMediaSinksObserver(_)).Times(1);
   EXPECT_FALSE(delegate_impl_->AddScreenAvailabilityListener(
       render_process_id, render_frame_id, &listener));
 }
 
 }  // namespace media_router