[Presentation API] (5th) (1-UA) integrate controller and receiver side for 1-UA messaging

content/renderer/presentation/presentation_dispatcher_unittest.cc

 // Copyright 2017 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 <memory>
 #include <utility>
 
 #include "base/run_loop.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "content/renderer/presentation/presentation_connection_proxy.h"
 #include "content/renderer/presentation/presentation_dispatcher.h"
 #include "content/renderer/presentation/test_presentation_connection.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentationAvailabilityObserver.h"
 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentationConnection.h"
 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentationConnectionCallbacks.h"
 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentationController.h"
 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentationError.h"
+#include "third_party/WebKit/public/platform/modules/presentation/WebPresentationReceiver.h"
 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentationSessionInfo.h"
 #include "third_party/WebKit/public/web/WebArrayBuffer.h"
 
 using ::testing::_;
 using ::testing::Invoke;
 using blink::WebArrayBuffer;
 using blink::WebPresentationAvailabilityCallbacks;
 using blink::WebPresentationAvailabilityObserver;
 using blink::WebPresentationConnectionCallbacks;
 using blink::WebPresentationError;
@@ skipping 79 matching lines @@
     ListenForConnectionMessagesInternal(session_info.get());
   }
   MOCK_METHOD1(ListenForConnectionMessagesInternal,
                void(PresentationSessionInfo* session_info));
 
   void SetPresentationConnection(
       blink::mojom::PresentationSessionInfoPtr session,
       blink::mojom::PresentationConnectionPtr controller_conn_ptr,
       blink::mojom::PresentationConnectionRequest receiver_conn_request)
       override {
-    SetPresentationConnection(session.get(), controller_conn_ptr.get());
+    SetPresentationConnectionInternal(session.get(), controller_conn_ptr.get());
   }
-  MOCK_METHOD2(SetPresentationConnection,
+  MOCK_METHOD2(SetPresentationConnectionInternal,
                void(PresentationSessionInfo* session_info,
                     PresentationConnection* connection));
 };
 
+class TestPresentationConnectionProxy : public PresentationConnectionProxy {
+ public:
+  TestPresentationConnectionProxy(blink::WebPresentationConnection* connection)
+      : PresentationConnectionProxy(connection) {}
+
+  void SendConnectionMessage(blink::mojom::ConnectionMessagePtr session_message,
+                             const OnMessageCallback& callback) const override {
+    SendConnectionMessageInternal(session_message.get(), callback);
+  }
+  MOCK_CONST_METHOD2(SendConnectionMessageInternal,
+                     void(blink::mojom::ConnectionMessage*,
+                          const OnMessageCallback&));
+};
+
+class TestPresentationReceiver : public blink::WebPresentationReceiver {
+ public:
+  blink::WebPresentationConnection* onReceiverConnectionAvailable(
+      const blink::WebPresentationSessionInfo&) override {
+    return &connection_;
+  }
+
+  TestPresentationConnection connection_;
+};
+
 class MockPresentationAvailabilityCallbacks
     : public blink::WebCallbacks<bool, const blink::WebPresentationError&> {
  public:
   MOCK_METHOD1(onSuccess, void(bool value));
   MOCK_METHOD1(onError, void(const blink::WebPresentationError&));
 };
 
 class TestWebPresentationConnectionCallback
     : public WebPresentationConnectionCallbacks {
  public:
-  TestWebPresentationConnectionCallback(WebURL url, WebString id)
-      : url_(url), id_(id), callback_called_(false) {}
+  // Does not take ownership of |connection|.
+  TestWebPresentationConnectionCallback(WebURL url,
+                                        WebString id,
+                                        TestPresentationConnection* connection)
+      : url_(url), id_(id), callback_called_(false), connection_(connection) {}
   ~TestWebPresentationConnectionCallback() override {
     EXPECT_TRUE(callback_called_);
   }
 
   void onSuccess(const WebPresentationSessionInfo& info) override {
     callback_called_ = true;
     EXPECT_EQ(info.url, url_);
     EXPECT_EQ(info.id, id_);
   }
 
   blink::WebPresentationConnection* getConnection() override {
-    return &connection_;
+    return connection_;
   }
 
  private:
   const WebURL url_;
   const WebString id_;
   bool callback_called_;
-  TestPresentationConnection connection_;
+  TestPresentationConnection* connection_;
 };
 
 class TestWebPresentationConnectionErrorCallback
     : public WebPresentationConnectionCallbacks {
  public:
   TestWebPresentationConnectionErrorCallback(
       WebPresentationError::ErrorType error_type,
       WebString message)
       : error_type_(error_type), message_(message), callback_called_(false) {}
   ~TestWebPresentationConnectionErrorCallback() override {
@@ skipping 30 matching lines @@
           mojo::MakeRequest(&presentation_service_));
     }
   }
 
   MockPresentationService* mock_presentation_service_;
   std::unique_ptr<mojo::Binding<PresentationService>> mock_binding_;
 };
 
 class PresentationDispatcherTest : public ::testing::Test {
  public:
+  using OnMessageCallback = PresentationConnectionProxy::OnMessageCallback;
+
   enum class URLState { Available, Unavailable, Unsupported, Unknown };
 
   PresentationDispatcherTest()
       : gurl1_(GURL("https://www.example.com/1.html")),
         gurl2_(GURL("https://www.example.com/2.html")),
         gurl3_(GURL("https://www.example.com/3.html")),
         gurl4_(GURL("https://www.example.com/4.html")),
         gurls_({gurl1_, gurl2_, gurl3_, gurl4_}),
         url1_(WebURL(gurl1_)),
         url2_(WebURL(gurl2_)),
@@ skipping 83 matching lines @@
   std::vector<MockPresentationAvailabilityObserver*> mock_observers_;
 
   MockPresentationService presentation_service_;
   TestPresentationDispatcher dispatcher_;
 
  private:
   content::TestBrowserThreadBundle thread_bundle_;
 };
 
 TEST_F(PresentationDispatcherTest, TestStartSession) {
-  base::RunLoop run_loop;
+  TestPresentationConnection connection;
+  EXPECT_FALSE(connection.proxy());
+  {
+    base::RunLoop run_loop;
+    EXPECT_CALL(presentation_service_, ListenForConnectionMessagesInternal(_));
+    EXPECT_CALL(presentation_service_, SetPresentationConnectionInternal(_, _));
+    EXPECT_CALL(presentation_service_, StartSession(gurls_, _))
+        .WillOnce(Invoke(
+            [this](const std::vector<GURL>& presentation_urls,
+                   const PresentationService::StartSessionCallback& callback) {
+              PresentationSessionInfoPtr session_info(
+                  PresentationSessionInfo::New());
+              session_info->url = gurl1_;
+              session_info->id = presentation_id_.utf8();
+              callback.Run(std::move(session_info), PresentationErrorPtr());
+            }));
 
-  EXPECT_CALL(presentation_service_, StartSession(gurls_, _))
-      .WillOnce(Invoke([this](
-          const std::vector<GURL>& presentation_urls,
-          const PresentationService::StartSessionCallback& callback) {
-        PresentationSessionInfoPtr session_info(PresentationSessionInfo::New());
-        session_info->url = gurl1_;
-        session_info->id = presentation_id_.utf8();
-        callback.Run(std::move(session_info), PresentationErrorPtr());
-      }));
-  client()->startSession(
-      urls_, base::MakeUnique<TestWebPresentationConnectionCallback>(
-                 url1_, presentation_id_));
-  run_loop.RunUntilIdle();
+    dispatcher_.startSession(
+        urls_, base::MakeUnique<TestWebPresentationConnectionCallback>(
+                   url1_, presentation_id_, &connection));
+    run_loop.RunUntilIdle();
+  }
+  EXPECT_TRUE(connection.proxy());
 }
 
 TEST_F(PresentationDispatcherTest, TestStartSessionError) {
   WebString error_message = WebString::fromUTF8("Test error message");
   base::RunLoop run_loop;
 
   EXPECT_CALL(presentation_service_, StartSession(gurls_, _))
       .WillOnce(Invoke([&error_message](
           const std::vector<GURL>& presentation_urls,
           const PresentationService::StartSessionCallback& callback) {
         PresentationErrorPtr error(PresentationError::New());
         error->error_type = PresentationErrorType::NO_AVAILABLE_SCREENS;
         error->message = error_message.utf8();
         callback.Run(PresentationSessionInfoPtr(), std::move(error));
       }));
-  client()->startSession(
+  dispatcher_.startSession(
       urls_,
       base::MakeUnique<TestWebPresentationConnectionErrorCallback>(
           WebPresentationError::ErrorTypeNoAvailableScreens, error_message));
   run_loop.RunUntilIdle();
 }
 
 TEST_F(PresentationDispatcherTest, TestJoinSessionError) {
   WebString error_message = WebString::fromUTF8("Test error message");
   base::RunLoop run_loop;
 
@@ skipping 10 matching lines @@
         callback.Run(PresentationSessionInfoPtr(), std::move(error));
       }));
   dispatcher_.joinSession(
       urls_, presentation_id_,
       base::MakeUnique<TestWebPresentationConnectionErrorCallback>(
           WebPresentationError::ErrorTypeNoAvailableScreens, error_message));
   run_loop.RunUntilIdle();
 }
 
 TEST_F(PresentationDispatcherTest, TestJoinSession) {
-  base::RunLoop run_loop;
+  TestPresentationConnection connection;
+  EXPECT_FALSE(connection.proxy());
+  {
+    base::RunLoop run_loop;
+    EXPECT_CALL(presentation_service_, ListenForConnectionMessagesInternal(_));
+    EXPECT_CALL(presentation_service_, SetPresentationConnectionInternal(_, _));
+    EXPECT_CALL(presentation_service_, JoinSession(gurls_, _, _))
+        .WillOnce(Invoke(
+            [this](const std::vector<GURL>& presentation_urls,
+                   const base::Optional<std::string>& presentation_id,
+                   const PresentationService::JoinSessionCallback& callback) {
+              EXPECT_TRUE(presentation_id.has_value());
+              EXPECT_EQ(presentation_id_.utf8(), presentation_id.value());
+              PresentationSessionInfoPtr session_info(
+                  PresentationSessionInfo::New());
+              session_info->url = gurl1_;
+              session_info->id = presentation_id_.utf8();
+              callback.Run(std::move(session_info), PresentationErrorPtr());
+            }));
 
-  EXPECT_CALL(presentation_service_, JoinSession(gurls_, _, _))
-      .WillOnce(Invoke([this](
-          const std::vector<GURL>& presentation_urls,
-          const base::Optional<std::string>& presentation_id,
-          const PresentationService::JoinSessionCallback& callback) {
-        EXPECT_TRUE(presentation_id.has_value());
-        EXPECT_EQ(presentation_id_.utf8(), presentation_id.value());
-        PresentationSessionInfoPtr session_info(PresentationSessionInfo::New());
-        session_info->url = gurl1_;
-        session_info->id = presentation_id_.utf8();
-        callback.Run(std::move(session_info), PresentationErrorPtr());
-      }));
-  dispatcher_.joinSession(
-      urls_, presentation_id_,
-      base::MakeUnique<TestWebPresentationConnectionCallback>(
-          url1_, presentation_id_));
-  run_loop.RunUntilIdle();
+    dispatcher_.joinSession(
+        urls_, presentation_id_,
+        base::MakeUnique<TestWebPresentationConnectionCallback>(
+            url1_, presentation_id_, &connection));
+    run_loop.RunUntilIdle();
+  }
+  EXPECT_TRUE(connection.proxy());
 }
 
 TEST_F(PresentationDispatcherTest, TestSendString) {
   WebString message = WebString::fromUTF8("test message");
+  TestPresentationConnection connection;
+  TestPresentationConnectionProxy connection_proxy(&connection);
+
   base::RunLoop run_loop;
-  EXPECT_CALL(presentation_service_, SendConnectionMessageInternal(_, _, _))
-      .WillOnce(Invoke([this, &message](
-          PresentationSessionInfo* session_info,
-          ConnectionMessage* message_request,
-          const PresentationService::SendConnectionMessageCallback& callback) {
-        EXPECT_EQ(gurl1_, session_info->url);
-        EXPECT_EQ(presentation_id_.utf8(), session_info->id);
-        EXPECT_TRUE(message_request->message.has_value());
-        EXPECT_EQ(message.utf8(), message_request->message.value());
-        callback.Run(true);
+  EXPECT_CALL(connection_proxy, SendConnectionMessageInternal(_, _))
+      .WillOnce(Invoke([this, &message](ConnectionMessage* session_message,
+                                        const OnMessageCallback& callback) {
+        EXPECT_EQ(blink::mojom::PresentationMessageType::TEXT,
+                  session_message->type);
+        EXPECT_EQ(message.utf8(), session_message->message.value());
       }));
-  dispatcher_.sendString(url1_, presentation_id_, message, nullptr);
+  dispatcher_.sendString(url1_, presentation_id_, message, &connection_proxy);
   run_loop.RunUntilIdle();
 }
 
 TEST_F(PresentationDispatcherTest, TestSendArrayBuffer) {
+  TestPresentationConnection connection;
+  TestPresentationConnectionProxy connection_proxy(&connection);
+
   base::RunLoop run_loop;
-  EXPECT_CALL(presentation_service_, SendConnectionMessageInternal(_, _, _))
-      .WillOnce(Invoke([this](
-          PresentationSessionInfo* session_info,
-          ConnectionMessage* message_request,
-          const PresentationService::SendConnectionMessageCallback& callback) {
-        EXPECT_EQ(gurl1_, session_info->url);
-        EXPECT_EQ(presentation_id_.utf8(), session_info->id);
+  EXPECT_CALL(connection_proxy, SendConnectionMessageInternal(_, _))
+      .WillOnce(Invoke([this](ConnectionMessage* message_request,
+                              const OnMessageCallback& callback) {
         std::vector<uint8_t> data(
             array_buffer_data(),
             array_buffer_data() + array_buffer_.byteLength());
         EXPECT_TRUE(message_request->data.has_value());
         EXPECT_EQ(data, message_request->data.value());
-        callback.Run(true);
       }));
   dispatcher_.sendArrayBuffer(url1_, presentation_id_, array_buffer_data(),
-                              array_buffer_.byteLength(), nullptr);
+                              array_buffer_.byteLength(), &connection_proxy);
   run_loop.RunUntilIdle();
 }
 
 TEST_F(PresentationDispatcherTest, TestSendBlobData) {
+  TestPresentationConnection connection;
+  TestPresentationConnectionProxy connection_proxy(&connection);
+
   base::RunLoop run_loop;
-  EXPECT_CALL(presentation_service_, SendConnectionMessageInternal(_, _, _))
-      .WillOnce(Invoke([this](
-          PresentationSessionInfo* session_info,
-          ConnectionMessage* message_request,
-          const PresentationService::SendConnectionMessageCallback& callback) {
-        EXPECT_EQ(gurl1_, session_info->url);
-        EXPECT_EQ(presentation_id_.utf8(), session_info->id);
+  EXPECT_CALL(connection_proxy, SendConnectionMessageInternal(_, _))
+      .WillOnce(Invoke([this](ConnectionMessage* message_request,
+                              const OnMessageCallback& callback) {
         std::vector<uint8_t> data(
             array_buffer_data(),
             array_buffer_data() + array_buffer_.byteLength());
         EXPECT_TRUE(message_request->data.has_value());
         EXPECT_EQ(data, message_request->data.value());
         callback.Run(true);
       }));
   dispatcher_.sendBlobData(url1_, presentation_id_, array_buffer_data(),
-                           array_buffer_.byteLength(), nullptr);
+                           array_buffer_.byteLength(), &connection_proxy);
   run_loop.RunUntilIdle();
 }
 
+TEST_F(PresentationDispatcherTest, TestOnReceiverConnectionAvailable) {
+  PresentationSessionInfoPtr session_info(PresentationSessionInfo::New());
+  session_info->url = gurl1_;
+  session_info->id = presentation_id_.utf8();
+
+  blink::mojom::PresentationConnectionPtr controller_connection_ptr;
+  TestPresentationConnection controller_connection;
+  TestPresentationConnectionProxy controller_connection_proxy(
+      &controller_connection);
+  mojo::Binding<blink::mojom::PresentationConnection> binding(
+      &controller_connection_proxy,
+      mojo::MakeRequest(&controller_connection_ptr));
+
+  blink::mojom::PresentationConnectionPtr receiver_connection_ptr;
+
+  TestPresentationReceiver receiver;
+  dispatcher_.setReceiver(&receiver);
+
+  base::RunLoop run_loop;
+  EXPECT_CALL(controller_connection,
+              didChangeState(blink::WebPresentationConnectionState::Connected));
+  EXPECT_CALL(receiver.connection_,
+              didChangeState(blink::WebPresentationConnectionState::Connected));
+
+  dispatcher_.OnReceiverConnectionAvailable(
+      std::move(session_info), std::move(controller_connection_ptr),
+      mojo::MakeRequest(&receiver_connection_ptr));
+
+  EXPECT_TRUE(receiver_connection_ptr);
+  EXPECT_TRUE(receiver.connection_.proxy());
+  run_loop.RunUntilIdle();
+}
+
 TEST_F(PresentationDispatcherTest, TestCloseSession) {
   base::RunLoop run_loop;
   EXPECT_CALL(presentation_service_,
               CloseConnection(gurl1_, presentation_id_.utf8()));
   dispatcher_.closeSession(url1_, presentation_id_);
   run_loop.RunUntilIdle();
 }
 
 TEST_F(PresentationDispatcherTest, TestTerminateSession) {
   base::RunLoop run_loop;
@@ skipping 266 matching lines @@
 
   for (auto* mock_observer : mock_observers_)
     EXPECT_CALL(*mock_observer, availabilityChanged(false));
 
   base::RunLoop run_loop_2;
   ChangeURLState(gurl2_, URLState::Unavailable);
   run_loop_2.RunUntilIdle();
 }
 
 }  // namespace content