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| 1 // Copyright (c) 2017 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 "chrome/browser/media/router/discovery/discovery_network_monitor.h" |
| 6 |
| 7 #include "base/run_loop.h" |
| 8 #include "content/public/browser/browser_thread.h" |
| 9 #include "content/public/test/test_browser_thread_bundle.h" |
| 10 #include "testing/gmock/include/gmock/gmock.h" |
| 11 #include "testing/gtest/include/gtest/gtest.h" |
| 12 |
| 13 namespace { |
| 14 |
| 15 using content::BrowserThread; |
| 16 |
| 17 using testing::_; |
| 18 using testing::Invoke; |
| 19 |
| 20 class MockDiscoveryObserver : public DiscoveryNetworkMonitor::Observer { |
| 21 public: |
| 22 MOCK_METHOD1(OnNetworksChanged, void(const DiscoveryNetworkMonitor&)); |
| 23 }; |
| 24 |
| 25 std::vector<NetworkInfo> FakeGetNetworkInfo( |
| 26 const std::vector<NetworkInfo>& network_info_list) { |
| 27 return network_info_list; |
| 28 } |
| 29 |
| 30 class DiscoveryNetworkMonitorTest : public testing::Test { |
| 31 protected: |
| 32 void SetUp() override { |
| 33 // NetworkChangeNotifier provides singleton behavior while simultaneously |
| 34 // allowing the creator to own the instance. This makes it possible to |
| 35 // reset it for each test, however this isn't possible with LazyInstance<>, |
| 36 // which DiscoveryNetworkMonitor uses. It's also not possible to just leave |
| 37 // one NetworkChangeNotifier mock alive for all the tests because the thread |
| 38 // bundle is being recreated in each fixture which causes their task runners |
| 39 // to become different. |
| 40 if (should_rebind_to_network_change_mock) { |
| 41 discovery_network_monitor->RebindNetworkChangeObserverForTest(); |
| 42 } else { |
| 43 should_rebind_to_network_change_mock = true; |
| 44 } |
| 45 |
| 46 // Clear the network info list and network ID before each test since the |
| 47 // monitor is a singleton. |
| 48 net::NetworkChangeNotifier::NotifyObserversOfNetworkChangeForTests( |
| 49 net::NetworkChangeNotifier::CONNECTION_NONE); |
| 50 base::RunLoop().RunUntilIdle(); |
| 51 } |
| 52 |
| 53 static bool should_rebind_to_network_change_mock; |
| 54 |
| 55 content::TestBrowserThreadBundle test_browser_thread_bundle; |
| 56 MockDiscoveryObserver mock_observer; |
| 57 |
| 58 std::vector<NetworkInfo> fake_ethernet_info{ |
| 59 {{0, net::NetworkChangeNotifier::CONNECTION_ETHERNET, |
| 60 std::string("enp0s2"), std::string("ethernet1")}}}; |
| 61 std::vector<NetworkInfo> fake_wifi_info{ |
| 62 {{0, net::NetworkChangeNotifier::CONNECTION_WIFI, std::string("wlp3s0"), |
| 63 std::string("wifi1")}, |
| 64 {1, net::NetworkChangeNotifier::CONNECTION_WIFI, std::string("wlp3s1"), |
| 65 std::string("wifi2")}}}; |
| 66 |
| 67 std::unique_ptr<net::NetworkChangeNotifier> network_change_notifier = |
| 68 base::WrapUnique(net::NetworkChangeNotifier::CreateMock()); |
| 69 |
| 70 std::vector<NetworkInfo> fake_network_info; |
| 71 DiscoveryNetworkMonitor* discovery_network_monitor = |
| 72 DiscoveryNetworkMonitor::GetInstanceForTest( |
| 73 base::Bind(&FakeGetNetworkInfo, base::ConstRef(fake_network_info))); |
| 74 }; |
| 75 |
| 76 bool DiscoveryNetworkMonitorTest::should_rebind_to_network_change_mock = false; |
| 77 |
| 78 } // namespace |
| 79 |
| 80 TEST_F(DiscoveryNetworkMonitorTest, NetworkIdIsConsistent) { |
| 81 fake_network_info = fake_ethernet_info; |
| 82 std::string current_network_id; |
| 83 |
| 84 auto capture_network_id = |
| 85 [¤t_network_id](const DiscoveryNetworkMonitor& monitor) { |
| 86 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 87 current_network_id = monitor.GetNetworkId(); |
| 88 }; |
| 89 discovery_network_monitor->AddObserver(&mock_observer); |
| 90 EXPECT_CALL(mock_observer, OnNetworksChanged(_)) |
| 91 .WillOnce(Invoke(capture_network_id)); |
| 92 |
| 93 net::NetworkChangeNotifier::NotifyObserversOfNetworkChangeForTests( |
| 94 net::NetworkChangeNotifier::CONNECTION_ETHERNET); |
| 95 base::RunLoop().RunUntilIdle(); |
| 96 |
| 97 std::string ethernet_network_id = current_network_id; |
| 98 |
| 99 fake_network_info.clear(); |
| 100 EXPECT_CALL(mock_observer, OnNetworksChanged(_)) |
| 101 .WillOnce(Invoke(capture_network_id)); |
| 102 |
| 103 net::NetworkChangeNotifier::NotifyObserversOfNetworkChangeForTests( |
| 104 net::NetworkChangeNotifier::CONNECTION_NONE); |
| 105 base::RunLoop().RunUntilIdle(); |
| 106 |
| 107 fake_network_info = fake_wifi_info; |
| 108 EXPECT_CALL(mock_observer, OnNetworksChanged(_)) |
| 109 .WillOnce(Invoke(capture_network_id)); |
| 110 |
| 111 net::NetworkChangeNotifier::NotifyObserversOfNetworkChangeForTests( |
| 112 net::NetworkChangeNotifier::CONNECTION_WIFI); |
| 113 base::RunLoop().RunUntilIdle(); |
| 114 |
| 115 std::string wifi_network_id = current_network_id; |
| 116 fake_network_info = fake_ethernet_info; |
| 117 EXPECT_CALL(mock_observer, OnNetworksChanged(_)) |
| 118 .WillOnce(Invoke(capture_network_id)); |
| 119 |
| 120 net::NetworkChangeNotifier::NotifyObserversOfNetworkChangeForTests( |
| 121 net::NetworkChangeNotifier::CONNECTION_ETHERNET); |
| 122 base::RunLoop().RunUntilIdle(); |
| 123 |
| 124 EXPECT_EQ(ethernet_network_id, current_network_id); |
| 125 EXPECT_NE(ethernet_network_id, wifi_network_id); |
| 126 |
| 127 discovery_network_monitor->RemoveObserver(&mock_observer); |
| 128 } |
| 129 |
| 130 TEST_F(DiscoveryNetworkMonitorTest, RemoveObserverStopsNotifications) { |
| 131 fake_network_info = fake_ethernet_info; |
| 132 |
| 133 discovery_network_monitor->AddObserver(&mock_observer); |
| 134 EXPECT_CALL(mock_observer, OnNetworksChanged(_)) |
| 135 .WillOnce(Invoke([](const DiscoveryNetworkMonitor& monitor) { |
| 136 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 137 })); |
| 138 |
| 139 net::NetworkChangeNotifier::NotifyObserversOfNetworkChangeForTests( |
| 140 net::NetworkChangeNotifier::CONNECTION_ETHERNET); |
| 141 base::RunLoop().RunUntilIdle(); |
| 142 |
| 143 discovery_network_monitor->RemoveObserver(&mock_observer); |
| 144 fake_network_info.clear(); |
| 145 |
| 146 net::NetworkChangeNotifier::NotifyObserversOfNetworkChangeForTests( |
| 147 net::NetworkChangeNotifier::CONNECTION_NONE); |
| 148 base::RunLoop().RunUntilIdle(); |
| 149 } |
| 150 |
| 151 TEST_F(DiscoveryNetworkMonitorTest, RefreshIndependentOfChangeObserver) { |
| 152 fake_network_info = fake_ethernet_info; |
| 153 |
| 154 discovery_network_monitor->AddObserver(&mock_observer); |
| 155 auto force_refresh_callback = []() { |
| 156 DiscoveryNetworkMonitor* discovery_network_monitor = |
| 157 DiscoveryNetworkMonitor::GetInstance(); |
| 158 EXPECT_NE(std::string("disconnected"), |
| 159 discovery_network_monitor->GetNetworkId()); |
| 160 EXPECT_NE(std::string("unknown"), |
| 161 discovery_network_monitor->GetNetworkId()); |
| 162 }; |
| 163 |
| 164 EXPECT_EQ(std::string("disconnected"), |
| 165 discovery_network_monitor->GetNetworkId()); |
| 166 discovery_network_monitor->Refresh(base::Bind(force_refresh_callback)); |
| 167 base::RunLoop().RunUntilIdle(); |
| 168 } |
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