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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/base/network_change_notifier_linux.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/message_loop_proxy.h" | |
| 9 #include "base/synchronization/waitable_event.h" | |
| 10 #include "dbus/mock_bus.h" | |
| 11 #include "dbus/mock_object_proxy.h" | |
| 12 #include "dbus/message.h" | |
| 13 #include "dbus/object_path.h" | |
| 14 #include "testing/gmock/include/gmock/gmock.h" | |
| 15 #include "testing/gtest/include/gtest/gtest.h" | |
| 16 | |
| 17 namespace net { | |
| 18 | |
| 19 using testing::_; | |
| 20 using testing::DoAll; | |
| 21 using testing::InvokeWithoutArgs; | |
| 22 using testing::Return; | |
| 23 using testing::SaveArg; | |
| 24 | |
| 25 class NetworkChangeNotifierLinuxTest : public testing::Test { | |
| 26 protected: | |
| 27 // A subset of the NetworkManager-defined constants used in | |
| 28 // the tests below. See network_change_notifier_linux.cc | |
| 29 // for the full list. | |
| 30 enum { | |
| 31 NM_STATE_DISCONNECTED = 20, | |
| 32 NM_STATE_DISCONNECTING = 30, | |
| 33 NM_STATE_CONNECTED_SITE = 70, | |
| 34 NM_STATE_CONNECTED_GLOBAL = 70 | |
| 35 }; | |
| 36 | |
| 37 NetworkChangeNotifierLinuxTest() | |
| 38 : initialized_(false, false) {} | |
| 39 | |
| 40 virtual void SetUp() { | |
| 41 dbus::Bus::Options options; | |
| 42 options.bus_type = dbus::Bus::SYSTEM; | |
| 43 mock_bus_ = new dbus::MockBus(options); | |
| 44 | |
| 45 mock_object_proxy_ = new dbus::MockObjectProxy( | |
| 46 mock_bus_.get(), | |
| 47 "service_name", | |
| 48 dbus::ObjectPath("service_path")); | |
| 49 EXPECT_CALL(*mock_bus_, GetObjectProxyWithOptions(_, _, _)) | |
| 50 .WillOnce(Return(mock_object_proxy_.get())); | |
| 51 | |
| 52 EXPECT_CALL(*mock_object_proxy_, CallMethod(_, _, _)) | |
| 53 .WillOnce(SaveArg<2>(&response_callback_)); | |
| 54 EXPECT_CALL(*mock_object_proxy_, ConnectToSignal(_, _, _, _)) | |
| 55 .WillOnce( | |
| 56 DoAll( | |
| 57 SaveArg<2>(&signal_callback_), | |
| 58 InvokeWithoutArgs( | |
| 59 this, | |
| 60 &NetworkChangeNotifierLinuxTest::Initialize))); | |
| 61 | |
| 62 notifier_.reset(NetworkChangeNotifierLinux::CreateForTest(mock_bus_.get())); | |
| 63 | |
| 64 initialized_.Wait(); | |
| 65 } | |
| 66 | |
| 67 void Initialize() { | |
| 68 notifier_thread_proxy_ = base::MessageLoopProxy::current(); | |
| 69 initialized_.Signal(); | |
| 70 } | |
| 71 | |
| 72 void RunOnNotifierThread(const base::Closure& callback) { | |
| 73 base::WaitableEvent event(false, false); | |
| 74 notifier_thread_proxy_->PostTask(FROM_HERE, base::Bind( | |
| 75 &RunOnNotifierThreadHelper, callback, &event)); | |
| 76 event.Wait(); | |
| 77 // Run any tasks queued on the main thread, e.g. by | |
| 78 // ObserverListThreadSafe. | |
| 79 MessageLoop::current()->RunUntilIdle(); | |
| 80 } | |
| 81 | |
| 82 void SendResponse(uint32 state) { | |
| 83 scoped_ptr<dbus::Response> response(dbus::Response::CreateEmpty()); | |
| 84 dbus::MessageWriter writer(response.get()); | |
| 85 writer.AppendVariantOfUint32(state); | |
| 86 RunOnNotifierThread(base::Bind(response_callback_, response.get())); | |
| 87 } | |
| 88 | |
| 89 void SendSignal(uint32 state) { | |
| 90 dbus::Signal signal("org.freedesktop.NetworkManager", "StateChanged"); | |
| 91 dbus::MessageWriter writer(&signal); | |
| 92 writer.AppendUint32(state); | |
| 93 RunOnNotifierThread(base::Bind(signal_callback_, &signal)); | |
| 94 } | |
| 95 | |
| 96 dbus::ObjectProxy::ResponseCallback response_callback_; | |
| 97 dbus::ObjectProxy::SignalCallback signal_callback_; | |
| 98 | |
| 99 // Allows creating a new NetworkChangeNotifier. Must be created before | |
| 100 // |notifier_| and destroyed after it to avoid DCHECK failures. | |
| 101 NetworkChangeNotifier::DisableForTest disable_for_test_; | |
| 102 scoped_ptr<NetworkChangeNotifier> notifier_; | |
| 103 | |
| 104 private: | |
| 105 static void RunOnNotifierThreadHelper(const base::Closure& callback, | |
| 106 base::WaitableEvent* event) { | |
| 107 callback.Run(); | |
| 108 event->Signal(); | |
| 109 } | |
| 110 | |
| 111 base::WaitableEvent initialized_; | |
| 112 | |
| 113 // Valid only after initialized_ is signaled. | |
| 114 scoped_refptr<base::MessageLoopProxy> notifier_thread_proxy_; | |
| 115 | |
| 116 scoped_refptr<dbus::MockBus> mock_bus_; | |
| 117 scoped_refptr<dbus::MockObjectProxy> mock_object_proxy_; | |
| 118 }; | |
| 119 | |
| 120 namespace { | |
| 121 | |
| 122 class OfflineObserver : public NetworkChangeNotifier::ConnectionTypeObserver { | |
| 123 public: | |
| 124 OfflineObserver() | |
| 125 : notification_count(0), | |
| 126 last_online_value(true) { | |
| 127 NetworkChangeNotifier::AddConnectionTypeObserver(this); | |
| 128 } | |
| 129 | |
| 130 ~OfflineObserver() { | |
| 131 NetworkChangeNotifier::RemoveConnectionTypeObserver(this); | |
| 132 } | |
| 133 | |
| 134 virtual void OnConnectionTypeChanged( | |
| 135 NetworkChangeNotifier::ConnectionType type) OVERRIDE { | |
| 136 notification_count++; | |
| 137 last_online_value = type != NetworkChangeNotifier::CONNECTION_NONE; | |
| 138 } | |
| 139 | |
| 140 int notification_count; | |
| 141 bool last_online_value; | |
| 142 }; | |
| 143 | |
| 144 TEST_F(NetworkChangeNotifierLinuxTest, Offline) { | |
| 145 SendResponse(NM_STATE_DISCONNECTED); | |
| 146 EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE, | |
| 147 NetworkChangeNotifier::GetConnectionType()); | |
| 148 } | |
| 149 | |
| 150 TEST_F(NetworkChangeNotifierLinuxTest, Online) { | |
| 151 SendResponse(NM_STATE_CONNECTED_GLOBAL); | |
| 152 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 153 NetworkChangeNotifier::GetConnectionType());} | |
| 154 | |
| 155 TEST_F(NetworkChangeNotifierLinuxTest, OfflineThenOnline) { | |
| 156 OfflineObserver observer; | |
| 157 | |
| 158 SendResponse(NM_STATE_DISCONNECTED); | |
| 159 EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE, | |
| 160 NetworkChangeNotifier::GetConnectionType()); | |
| 161 EXPECT_EQ(0, observer.notification_count); | |
| 162 | |
| 163 SendSignal(NM_STATE_CONNECTED_GLOBAL); | |
| 164 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 165 NetworkChangeNotifier::GetConnectionType()); | |
| 166 EXPECT_EQ(1, observer.notification_count); | |
| 167 EXPECT_TRUE(observer.last_online_value); | |
| 168 } | |
| 169 | |
| 170 TEST_F(NetworkChangeNotifierLinuxTest, MultipleStateChanges) { | |
| 171 OfflineObserver observer; | |
| 172 | |
| 173 SendResponse(NM_STATE_CONNECTED_GLOBAL); | |
| 174 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 175 NetworkChangeNotifier::GetConnectionType()); | |
| 176 EXPECT_EQ(0, observer.notification_count); | |
| 177 | |
| 178 SendSignal(NM_STATE_DISCONNECTED); | |
| 179 EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE, | |
| 180 NetworkChangeNotifier::GetConnectionType()); | |
| 181 EXPECT_EQ(1, observer.notification_count); | |
| 182 EXPECT_FALSE(observer.last_online_value); | |
| 183 | |
| 184 SendSignal(NM_STATE_CONNECTED_GLOBAL); | |
| 185 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 186 NetworkChangeNotifier::GetConnectionType()); | |
| 187 EXPECT_EQ(2, observer.notification_count); | |
| 188 EXPECT_TRUE(observer.last_online_value); | |
| 189 } | |
| 190 | |
| 191 TEST_F(NetworkChangeNotifierLinuxTest, IgnoreContinuedOnlineState) { | |
| 192 OfflineObserver observer; | |
| 193 | |
| 194 SendResponse(NM_STATE_CONNECTED_SITE); | |
| 195 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 196 NetworkChangeNotifier::GetConnectionType()); | |
| 197 EXPECT_EQ(0, observer.notification_count); | |
| 198 | |
| 199 SendSignal(NM_STATE_CONNECTED_GLOBAL); | |
| 200 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 201 NetworkChangeNotifier::GetConnectionType()); | |
| 202 EXPECT_EQ(0, observer.notification_count); | |
| 203 } | |
| 204 | |
| 205 TEST_F(NetworkChangeNotifierLinuxTest, IgnoreContinuedOfflineState) { | |
| 206 OfflineObserver observer; | |
| 207 | |
| 208 SendResponse(NM_STATE_DISCONNECTING); | |
| 209 EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE, | |
| 210 NetworkChangeNotifier::GetConnectionType()); | |
| 211 EXPECT_EQ(0, observer.notification_count); | |
| 212 | |
| 213 SendSignal(NM_STATE_DISCONNECTED); | |
| 214 EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE, | |
| 215 NetworkChangeNotifier::GetConnectionType()); | |
| 216 EXPECT_EQ(0, observer.notification_count); | |
| 217 } | |
| 218 | |
| 219 TEST_F(NetworkChangeNotifierLinuxTest, NullResponse) { | |
| 220 RunOnNotifierThread(base::Bind( | |
| 221 response_callback_, static_cast<dbus::Response*>(NULL))); | |
| 222 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 223 NetworkChangeNotifier::GetConnectionType()); | |
| 224 } | |
| 225 | |
| 226 TEST_F(NetworkChangeNotifierLinuxTest, EmptyResponse) { | |
| 227 scoped_ptr<dbus::Response> response(dbus::Response::CreateEmpty()); | |
| 228 RunOnNotifierThread(base::Bind(response_callback_, response.get())); | |
| 229 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 230 NetworkChangeNotifier::GetConnectionType()); | |
| 231 } | |
| 232 | |
| 233 TEST_F(NetworkChangeNotifierLinuxTest, InvalidResponse) { | |
| 234 scoped_ptr<dbus::Response> response(dbus::Response::CreateEmpty()); | |
| 235 dbus::MessageWriter writer(response.get()); | |
| 236 writer.AppendUint16(20); // Uint16 instead of the expected Uint32 | |
| 237 RunOnNotifierThread(base::Bind(response_callback_, response.get())); | |
| 238 EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, | |
| 239 NetworkChangeNotifier::GetConnectionType()); | |
| 240 } | |
| 241 | |
| 242 } // namespace | |
| 243 } // namespace net | |
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