Lazy-creates BluetoothAdapter in ExtensionBluetoothEventRouter (EBEE).

chrome/browser/extensions/bluetooth_event_router_unittest.cc

+// Copyright (c) 2012 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 "base/memory/ref_counted.h"
+#include "chrome/browser/extensions/bluetooth_event_router.h"
+#include "chrome/browser/extensions/event_names.h"
+#include "chrome/test/base/testing_profile.h"
+#include "device/bluetooth/test/mock_bluetooth_adapter.h"
+#include "device/bluetooth/test/mock_bluetooth_socket.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+const char* kAdapterAddress = "Mock Adapter address for testing";
+const char* kName = "Mock Adapter name for testing";
+const char* kNonBluetoothEventName = "Non bluetooth event name";
+
+const int kSocketId = 1;
+const int kAnotherSocketId = 2;
+
+}  // namespace
+
+namespace extensions {
+
+class TestBluetoothEventRouter : public ExtensionBluetoothEventRouter {
+ public:
+  explicit TestBluetoothEventRouter(device::BluetoothAdapter* test_adapter)
+      : ExtensionBluetoothEventRouter(&test_profile_),
+        test_adapter_(test_adapter) {
+  }
+
+ protected:
+  virtual scoped_refptr<device::BluetoothAdapter> GetDefaultAdapter() const {
+    return scoped_refptr<device::BluetoothAdapter>(test_adapter_);
+  }
+
+ private:
+  TestingProfile test_profile_;
+  device::BluetoothAdapter* test_adapter_;
+};
+
+class ExtensionBluetoothEventRouterTest : public testing::Test {
+ public:
+  ExtensionBluetoothEventRouterTest()
+      : mock_adapter_(new testing::StrictMock<device::MockBluetoothAdapter>(
+            kAdapterAddress, kName)),
+        mock_socket_(new testing::NiceMock<device::MockBluetoothSocket>()),
+        mock_another_socket_(
+            new testing::NiceMock<device::MockBluetoothSocket>()),
+        router_(mock_adapter_) {
+  }
+
+ protected:
+  testing::StrictMock<device::MockBluetoothAdapter>* mock_adapter_;
+  testing::NiceMock<device::MockBluetoothSocket>* mock_socket_;
+  testing::NiceMock<device::MockBluetoothSocket>* mock_another_socket_;
+  TestBluetoothEventRouter router_;
+};
+
+TEST_F(ExtensionBluetoothEventRouterTest, GetAdapter) {
+  scoped_refptr<const device::BluetoothAdapter> adapter = router_.adapter();
+
+  EXPECT_EQ(mock_adapter_, adapter);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, GetMutableAdapter) {
+  scoped_refptr<device::BluetoothAdapter> adapter = router_.GetMutableAdapter();
+
+  EXPECT_EQ(mock_adapter_, adapter);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, BluetoothEventListener) {
+  EXPECT_CALL(*mock_adapter_, AddObserver(testing::_)).Times(1);
+  router_.OnEventListenerAdded(
+      extensions::event_names::kBluetoothOnAvailabilityChanged);
+  EXPECT_CALL(*mock_adapter_, RemoveObserver(testing::_)).Times(1);
+  router_.OnEventListenerRemoved(
+      extensions::event_names::kBluetoothOnAvailabilityChanged);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, MultipleBluetoothEventListeners) {
+  EXPECT_CALL(*mock_adapter_, AddObserver(testing::_)).Times(1);
+  router_.OnEventListenerAdded(
+      extensions::event_names::kBluetoothOnAvailabilityChanged);
+  router_.OnEventListenerAdded(
+      extensions::event_names::kBluetoothOnDiscoveringChanged);
+  router_.OnEventListenerAdded(
+      extensions::event_names::kBluetoothOnPowerChanged);
+  router_.OnEventListenerRemoved(
+      extensions::event_names::kBluetoothOnAvailabilityChanged);
+  router_.OnEventListenerRemoved(
+      extensions::event_names::kBluetoothOnDiscoveringChanged);
+  EXPECT_CALL(*mock_adapter_, RemoveObserver(testing::_)).Times(1);
+  router_.OnEventListenerRemoved(
+      extensions::event_names::kBluetoothOnPowerChanged);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, NonBluetoothEventListeners) {
+  router_.OnEventListenerAdded(kNonBluetoothEventName);
+  router_.OnEventListenerRemoved(kNonBluetoothEventName);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, RegisterSocket) {
+  EXPECT_CALL(*mock_adapter_, AddObserver(testing::_)).Times(1);
+  EXPECT_CALL(*mock_socket_, fd()).WillRepeatedly(testing::Return(kSocketId));
+  int socket_id = router_.RegisterSocket(mock_socket_);
+  EXPECT_CALL(*mock_adapter_, RemoveObserver(testing::_)).Times(1);
+  router_.ReleaseSocket(socket_id);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, RegisterMultipleSockets) {
+  EXPECT_CALL(*mock_adapter_, AddObserver(testing::_)).Times(1);
+  EXPECT_CALL(*mock_socket_, fd()).WillRepeatedly(testing::Return(kSocketId));
+  int socket_id = router_.RegisterSocket(mock_socket_);
+  EXPECT_CALL(*mock_another_socket_, fd())
+      .WillRepeatedly(testing::Return(kAnotherSocketId));
+  int another_socket_id = router_.RegisterSocket(mock_another_socket_);
+  router_.ReleaseSocket(another_socket_id);
+  EXPECT_CALL(*mock_adapter_, RemoveObserver(testing::_)).Times(1);
+  router_.ReleaseSocket(socket_id);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, RegisterSameSockets) {
+  EXPECT_CALL(*mock_adapter_, AddObserver(testing::_)).Times(1);
+  EXPECT_CALL(*mock_socket_, fd()).WillRepeatedly(testing::Return(kSocketId));
+  int socket_id = router_.RegisterSocket(mock_socket_);
+  socket_id = router_.RegisterSocket(mock_socket_);
+  EXPECT_CALL(*mock_adapter_, RemoveObserver(testing::_)).Times(1);
+  router_.ReleaseSocket(socket_id);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, AddEventListerAndSocket) {
+  EXPECT_CALL(*mock_adapter_, AddObserver(testing::_)).Times(1);
+  EXPECT_CALL(*mock_socket_, fd()).WillRepeatedly(testing::Return(kSocketId));
+  int socket_id = router_.RegisterSocket(mock_socket_);
+  router_.OnEventListenerAdded(
+      extensions::event_names::kBluetoothOnAvailabilityChanged);
+  router_.ReleaseSocket(socket_id);
+  EXPECT_CALL(*mock_adapter_, RemoveObserver(testing::_)).Times(1);
+  router_.OnEventListenerRemoved(
+      extensions::event_names::kBluetoothOnAvailabilityChanged);
+}
+
+TEST_F(ExtensionBluetoothEventRouterTest, AddSocketAndEventListener) {
+  EXPECT_CALL(*mock_adapter_, AddObserver(testing::_)).Times(1);
+  EXPECT_CALL(*mock_socket_, fd()).WillRepeatedly(testing::Return(kSocketId));
+  router_.OnEventListenerAdded(
+      extensions::event_names::kBluetoothOnAvailabilityChanged);
+  int socket_id = router_.RegisterSocket(mock_socket_);
+  router_.OnEventListenerRemoved(
+      extensions::event_names::kBluetoothOnAvailabilityChanged);
+  EXPECT_CALL(*mock_adapter_, RemoveObserver(testing::_)).Times(1);
+  router_.ReleaseSocket(socket_id);
+}
+
+}  // namespace extensions