[Media Router] Add ProvideSinks() Mojo API

chrome/browser/media/router/mojo/media_router_mojo_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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 1127 matching lines @@
   EXPECT_CALL(sink_handler, Invoke(kSinkId2)).Times(1);
   MediaSinkSearchResponseCallback sink_callback = base::Bind(
       &SinkResponseCallbackHandler::Invoke, base::Unretained(&sink_handler));
 
   router()->SearchSinks(kSinkId, kSource, search_input, domain, sink_callback);
 
   base::RunLoop run_loop;
   run_loop.RunUntilIdle();
 }
 
+TEST_F(MediaRouterMojoImplTest, ProvideSinks) {
+  MediaRouter::MediaSinkList sinks;
+  MediaSink sink(kSinkId, kSinkName, MediaSink::IconType::CAST);
+  CastSinkExtraData extra_data;
+  extra_data.capabilities = 2;
+  extra_data.cast_channel_id = 3;
+  MediaSinkInternal expected_sink(sink, extra_data);
+  sinks.push_back(expected_sink);
+  std::string provider_name = "cast";
+
+  EXPECT_CALL(mock_media_route_provider_, ProvideSinks(_, _))
+      .WillOnce(Invoke([&](const std::string& actual_provider_name,
+                           const MediaRouter::MediaSinkList& actual_sinks) {

[mark a. foltz, 2017/03/01 06:31:43]

Does MediaSink implement == and a copy constructor?  Then it looks like you
should just be able to write ProvideSinks("cast", sinks).

[zhaobin, 2017/03/02 20:24:04]

Done.

+        EXPECT_EQ(provider_name, actual_provider_name);
+        EXPECT_EQ(size_t(1), actual_sinks.size());
+
+        MediaSinkInternal actual_sink(actual_sinks[0]);
+        EXPECT_EQ(kSinkId, actual_sink.sink().id());
+        EXPECT_EQ(kSinkName, actual_sink.sink().name());
+        EXPECT_EQ(MediaSink::IconType::CAST, actual_sink.sink().icon_type());
+        EXPECT_FALSE(actual_sink.sink().description());
+        EXPECT_FALSE(actual_sink.sink().domain());
+
+        EXPECT_TRUE(actual_sink.is_cast_sink());
+        EXPECT_FALSE(actual_sink.cast_data().model_name);
+        EXPECT_EQ(extra_data.capabilities,
+                  actual_sink.cast_data().capabilities);
+        EXPECT_EQ(extra_data.cast_channel_id,
+                  actual_sink.cast_data().cast_channel_id);
+      }));
+
+  router()->ProvideSinks(provider_name, sinks);
+
+  base::RunLoop run_loop;
+  run_loop.RunUntilIdle();
+}
+
 class MediaRouterMojoExtensionTest : public ::testing::Test {
  public:
   MediaRouterMojoExtensionTest() : process_manager_(nullptr) {}
 
   ~MediaRouterMojoExtensionTest() override {}
 
  protected:
   void SetUp() override {
     // Set the extension's version number to be identical to the browser's.
     extension_ =
@@ skipping 360 matching lines @@
   EXPECT_CALL(mock_media_route_provider_,
               UpdateMediaSinks(MediaSourceForDesktop().id()))
       .WillOnce(InvokeWithoutArgs([&run_loop2]() {
         run_loop2.Quit();
       }));
 
   run_loop2.Run();
 }
 
 }  // namespace media_router