[cast_channel] Make CastSocket not inherit from ApiResource

extensions/browser/api/cast_channel/cast_socket_service_unittest.cc

+// Copyright 2014 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 "extensions/browser/api/cast_channel/cast_socket_service.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "extensions/browser/api/cast_channel/cast_test_util.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+using testing::_;
+
+namespace extensions {
+namespace api {
+namespace cast_channel {
+
+class CastSocketServiceTest : public testing::Test {
+ public:
+  CastSocketServiceTest()
+      : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {}
+
+ protected:
+  content::TestBrowserThreadBundle thread_bundle_;
+  CastSocketService cast_socket_service_;
+};
+
+TEST_F(CastSocketServiceTest, TestAddSocket) {
+  auto* registry = cast_socket_service_.GetOrCreateSocketRegistry();
+  int channel_id = 0;
+
+  auto socket1 = base::MakeUnique<MockCastSocket>();
+  EXPECT_CALL(*socket1, set_id(1));
+
+  channel_id = registry->AddSocket(std::move(socket1));
+  EXPECT_EQ(1, channel_id);
+
+  auto socket2 = base::MakeUnique<MockCastSocket>();
+  EXPECT_CALL(*socket2, set_id(2));
+
+  auto* socket_ptr = socket2.get();
+  channel_id = registry->AddSocket(std::move(socket2));
+  EXPECT_EQ(2, channel_id);
+
+  auto removed_socket = registry->RemoveSocket(channel_id);
+  EXPECT_EQ(socket_ptr, removed_socket.get());
+
+  auto socket3 = base::MakeUnique<MockCastSocket>();
+  EXPECT_CALL(*socket3, set_id(3));
+
+  channel_id = registry->AddSocket(std::move(socket3));
+  EXPECT_EQ(3, channel_id);
+}
+
+TEST_F(CastSocketServiceTest, TestRemoveAndGetSocket) {
+  auto* registry = cast_socket_service_.GetOrCreateSocketRegistry();
+  int channel_id = 1;
+  auto* socket_ptr = registry->GetSocket(channel_id);
+  EXPECT_FALSE(socket_ptr);
+  auto socket = registry->RemoveSocket(channel_id);
+  EXPECT_FALSE(socket);
+
+  auto mock_socket = base::MakeUnique<MockCastSocket>();
+  EXPECT_CALL(*mock_socket, set_id(_));
+
+  auto* mock_socket_ptr = mock_socket.get();
+  channel_id = registry->AddSocket(std::move(mock_socket));
+  EXPECT_EQ(mock_socket_ptr, registry->GetSocket(channel_id));
+  socket = registry->RemoveSocket(channel_id);
+  EXPECT_TRUE(socket);
+}
+
+}  // namespace cast_channel
+}  // namespace api
+}  // namespace extensions