[Media Router] Add DialMediaSinkService and DeviceDescriptionService

chrome/browser/media/router/discovery/dial/dial_media_sink_service_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 "chrome/browser/media/router/discovery/dial/dial_media_sink_service.h"
+#include "base/test/mock_callback.h"
+#include "chrome/browser/media/router/discovery/dial/dial_device_data.h"
+#include "chrome/browser/media/router/discovery/dial/dial_registry.h"
+#include "chrome/browser/media/router/test_helper.h"
+#include "chrome/test/base/testing_profile.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::_;
+using ::testing::Return;
+
+namespace {
+
+media_router::DialSinkExtraData CreateDialSinkExtraData(
+    const std::string& model_name,
+    const std::string& ip_address,
+    const std::string& app_url) {
+  media_router::DialSinkExtraData dial_extra_data;
+  EXPECT_TRUE(dial_extra_data.ip_address.AssignFromIPLiteral(ip_address));
+  dial_extra_data.model_name = model_name;
+  dial_extra_data.app_url = GURL(app_url);
+  return dial_extra_data;
+}
+
+std::vector<media_router::MediaSinkInternal> CreateDialMediaSinks() {
+  media_router::MediaSink sink1("sink1", "sink_name_1",
+                                media_router::MediaSink::IconType::CAST);
+  media_router::DialSinkExtraData extra_data1 = CreateDialSinkExtraData(
+      "model_name1", "192.168.1.1", "https://example1.com");
+
+  media_router::MediaSink sink2("sink2", "sink_name_2",
+                                media_router::MediaSink::IconType::CAST);
+  media_router::DialSinkExtraData extra_data2 = CreateDialSinkExtraData(
+      "model_name2", "192.168.1.2", "https://example2.com");
+
+  std::vector<media_router::MediaSinkInternal> sinks;
+  sinks.push_back(media_router::MediaSinkInternal(sink1, extra_data1));
+  sinks.push_back(media_router::MediaSinkInternal(sink2, extra_data2));
+  return sinks;
+}
+
+}  // namespace
+
+namespace media_router {
+
+class TestDialRegistry : public DialRegistry {
+ public:
+  TestDialRegistry() {}
+  ~TestDialRegistry() {}
+
+  MOCK_METHOD1(RegisterObserver, void(DialRegistry::Observer* observer));
+  MOCK_METHOD1(UnregisterObserver, void(DialRegistry::Observer* observer));
+};
+
+class MockDeviceDescriptionService : public DeviceDescriptionService {
+ public:
+  MockDeviceDescriptionService(DeviceDescriptionParseSuccessCallback success_cb,
+                               DeviceDescriptionParseErrorCallback error_cb)
+      : DeviceDescriptionService(success_cb, error_cb) {}
+  ~MockDeviceDescriptionService() override {}
+
+  MOCK_METHOD2(GetDeviceDescriptions,
+               void(const std::vector<DialDeviceData>& devices,
+                    net::URLRequestContextGetter* request_context));
+};
+
+class TestDialMediaSinkService : public DialMediaSinkService {
+ public:
+  TestDialMediaSinkService(
+      const MediaSinkService::OnSinksDiscoveredCallback& callback,
+      net::URLRequestContextGetter* request_context,
+      TestDialRegistry* test_dial_registry,
+      MockDeviceDescriptionService* mock_description_service)
+      : DialMediaSinkService(callback, request_context),
+        test_dial_registry_(test_dial_registry),
+        mock_description_service_(mock_description_service) {}
+
+  DialRegistry* dial_registry() override { return test_dial_registry_; }
+
+  DeviceDescriptionService* GetDescriptionService() override {
+    return mock_description_service_;
+  }
+
+ private:
+  TestDialRegistry* test_dial_registry_;
+  MockDeviceDescriptionService* mock_description_service_;
+};
+
+class DialMediaSinkServiceTest : public ::testing::Test {
+ public:
+  DialMediaSinkServiceTest()
+      : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP),
+        mock_description_service_(mock_success_cb_.Get(), mock_error_cb_.Get()),
+        media_sink_service_(mock_sink_discovered_cb_.Get(),
+                            profile_.GetRequestContext(),
+                            &test_dial_registry_,
+                            &mock_description_service_) {}
+
+  DialMediaSinkService* media_sink_service() { return &media_sink_service_; }
+
+  void TestFetchCompleted(const std::vector<MediaSinkInternal>& old_sinks,
+                          const std::vector<MediaSinkInternal>& new_sinks) {
+    media_sink_service()->mrp_sinks_ =
+        std::set<MediaSinkInternal>(old_sinks.begin(), old_sinks.end());
+    media_sink_service()->current_sinks_ =
+        std::set<MediaSinkInternal>(new_sinks.begin(), new_sinks.end());
+    EXPECT_CALL(mock_sink_discovered_cb_, Run(new_sinks));
+    media_sink_service()->OnFetchCompleted();
+  }
+
+ protected:
+  const content::TestBrowserThreadBundle thread_bundle_;
+  TestingProfile profile_;
+
+  base::MockCallback<MediaSinkService::OnSinksDiscoveredCallback>
+      mock_sink_discovered_cb_;
+  base::MockCallback<
+      MockDeviceDescriptionService::DeviceDescriptionParseSuccessCallback>
+      mock_success_cb_;
+  base::MockCallback<
+      MockDeviceDescriptionService::DeviceDescriptionParseErrorCallback>
+      mock_error_cb_;
+
+  TestDialRegistry test_dial_registry_;
+  MockDeviceDescriptionService mock_description_service_;
+
+  TestDialMediaSinkService media_sink_service_;
+};
+
+TEST_F(DialMediaSinkServiceTest, TestStart) {
+  EXPECT_CALL(test_dial_registry_, RegisterObserver(&media_sink_service_));
+  media_sink_service()->Start();
+
+  DialRegistry::DeviceList deviceList;
+  DialDeviceData first_device("first", GURL("http://127.0.0.1/dd.xml"),
+                              base::Time::Now());
+  DialDeviceData second_device("second", GURL("http://127.0.0.2/dd.xml"),
+                               base::Time::Now());
+  DialDeviceData third_device("third", GURL("http://127.0.0.3/dd.xml"),
+                              base::Time::Now());
+  deviceList.push_back(first_device);
+  deviceList.push_back(second_device);
+  deviceList.push_back(third_device);
+
+  EXPECT_CALL(mock_description_service_, GetDeviceDescriptions(deviceList, _));
+
+  media_sink_service()->OnDialDeviceEvent(deviceList);
+  EXPECT_TRUE(media_sink_service_.finish_timer_->IsRunning());
+}
+
+TEST_F(DialMediaSinkServiceTest, TestOnDeviceDescriptionAvailable) {
+  DialDeviceData device_data("first", GURL("http://127.0.0.1/dd.xml"),
+                             base::Time::Now());
+  ParsedDialDeviceDescription device_description;
+  device_description.model_name = "model name";
+  device_description.friendly_name = "friendly name";
+  device_description.app_url = GURL("http://192.168.1.1/apps");
+  device_description.unique_id = "unique id";
+
+  media_sink_service()->OnDeviceDescriptionAvailable(device_data,
+                                                     device_description);
+  EXPECT_TRUE(media_sink_service()->current_sinks_.empty());
+
+  std::vector<DialDeviceData> deviceList{device_data};
+  EXPECT_CALL(mock_description_service_, GetDeviceDescriptions(deviceList, _));
+
+  media_sink_service()->OnDialDeviceEvent(deviceList);
+  media_sink_service()->OnDeviceDescriptionAvailable(device_data,
+                                                     device_description);
+
+  EXPECT_EQ(size_t(1), media_sink_service()->current_sinks_.size());
+}
+
+TEST_F(DialMediaSinkServiceTest, TestFetchCompleted) {
+  std::vector<MediaSinkInternal> old_sinks;
+  std::vector<MediaSinkInternal> new_sinks = CreateDialMediaSinks();
+  TestFetchCompleted(old_sinks, new_sinks);
+
+  // Same sink
+  EXPECT_CALL(mock_sink_discovered_cb_, Run(new_sinks)).Times(0);
+  media_sink_service()->OnFetchCompleted();
+}
+
+TEST_F(DialMediaSinkServiceTest, TestFetchCompleted_OneNewSink) {
+  std::vector<MediaSinkInternal> old_sinks = CreateDialMediaSinks();
+  std::vector<MediaSinkInternal> new_sinks = CreateDialMediaSinks();
+  MediaSink sink3("sink3", "sink_name_3", MediaSink::IconType::CAST);
+  DialSinkExtraData extra_data3 = CreateDialSinkExtraData(
+      "model_name3", "192.168.1.3", "https://example3.com");
+  new_sinks.push_back(MediaSinkInternal(sink3, extra_data3));
+  TestFetchCompleted(old_sinks, new_sinks);
+}
+
+TEST_F(DialMediaSinkServiceTest, TestFetchCompleted_RemovedOneSink) {
+  std::vector<MediaSinkInternal> old_sinks = CreateDialMediaSinks();
+  std::vector<MediaSinkInternal> new_sinks = CreateDialMediaSinks();
+  new_sinks.erase(new_sinks.begin());
+  TestFetchCompleted(old_sinks, new_sinks);
+}
+
+TEST_F(DialMediaSinkServiceTest, TestFetchCompleted_UpdatedOneSink) {
+  std::vector<MediaSinkInternal> old_sinks = CreateDialMediaSinks();
+  std::vector<MediaSinkInternal> new_sinks = CreateDialMediaSinks();
+  new_sinks[0].set_name("sink_name_4");
+  TestFetchCompleted(old_sinks, new_sinks);
+}
+
+TEST_F(DialMediaSinkServiceTest, TestFetchCompleted_Mixed) {
+  std::vector<MediaSinkInternal> old_sinks = CreateDialMediaSinks();
+
+  MediaSink sink1("sink1", "sink_name_1", MediaSink::IconType::CAST);
+  DialSinkExtraData extra_data2 = CreateDialSinkExtraData(
+      "model_name2", "192.168.1.2", "https://example2.com");
+
+  MediaSink sink3("sink3", "sink_name_3", MediaSink::IconType::CAST);
+  DialSinkExtraData extra_data3 = CreateDialSinkExtraData(
+      "model_name3", "192.168.1.3", "https://example3.com");
+
+  std::vector<MediaSinkInternal> new_sinks;
+  new_sinks.push_back(MediaSinkInternal(sink1, extra_data2));
+  new_sinks.push_back(MediaSinkInternal(sink3, extra_data3));
+
+  TestFetchCompleted(old_sinks, new_sinks);
+}
+
+}  // namespace media_router