Add support for cellular geolocation

chromeos/network/geolocation_handler_unittest.cc

 // Copyright (c) 2013 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 "chromeos/network/geolocation_handler.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 26 matching lines @@
     geolocation_handler_->Init();
     base::RunLoop().RunUntilIdle();
   }
 
   void TearDown() override {
     geolocation_handler_.reset();
     DBusThreadManager::Shutdown();
   }
 
   bool GetWifiAccessPoints() {
-    return geolocation_handler_->GetWifiAccessPoints(
-        &wifi_access_points_, NULL);
+    return geolocation_handler_->GetWifiAccessPoints(&wifi_access_points_,
+                                                     nullptr);
   }
 
+  bool GetCellTowers() {
+    return geolocation_handler_->GetNetworkInformation(nullptr, &cell_towers_);
+  }
+
+  // This should remain in sync with the format of shill (chromeos) dict entries
   void AddAccessPoint(int idx) {
     base::DictionaryValue properties;
     std::string mac_address =
         base::StringPrintf("%02X:%02X:%02X:%02X:%02X:%02X",
                            idx, 0, 0, 0, 0, 0);
     std::string channel = base::IntToString(idx);
     std::string strength = base::IntToString(idx * 10);
-    properties.SetStringWithoutPathExpansion(
-        shill::kGeoMacAddressProperty, mac_address);
-    properties.SetStringWithoutPathExpansion(
-        shill::kGeoChannelProperty, channel);
-    properties.SetStringWithoutPathExpansion(
-        shill::kGeoSignalStrengthProperty, strength);
-    manager_test_->AddGeoNetwork(shill::kTypeWifi, properties);
+    properties.SetStringWithoutPathExpansion(shill::kGeoMacAddressProperty,
+                                             mac_address);
+    properties.SetStringWithoutPathExpansion(shill::kGeoChannelProperty,
+                                             channel);
+    properties.SetStringWithoutPathExpansion(shill::kGeoSignalStrengthProperty,
+                                             strength);
+    manager_test_->AddGeoNetwork(shill::kGeoWifiAccessPointsProperty,
+                                 properties);
     base::RunLoop().RunUntilIdle();
   }
 
+  // This should remain in sync with the format of shill (chromeos) dict entries
+  void AddCellTower(int idx) {
+    base::DictionaryValue properties;
+    // Multiplications are intended solely to differentiate the various fields
+    // in a predictable way, while preserving 3 digits for MCC and MNC.
+    std::string ci = base::IntToString(idx);
+    std::string lac = base::IntToString(idx * 10);
+    std::string mcc = base::IntToString(idx * 100);
+    std::string mnc = base::IntToString(idx * 100 + 1);
+
+    properties.SetStringWithoutPathExpansion(shill::kGeoCellIdProperty, ci);
+    properties.SetStringWithoutPathExpansion(
+        shill::kGeoLocationAreaCodeProperty, lac);
+    properties.SetStringWithoutPathExpansion(
+        shill::kGeoMobileCountryCodeProperty, mcc);
+    properties.SetStringWithoutPathExpansion(
+        shill::kGeoMobileNetworkCodeProperty, mnc);
+
+    manager_test_->AddGeoNetwork(shill::kGeoCellTowersProperty, properties);
+    base::RunLoop().RunUntilIdle();
+  }
+
  protected:
   base::MessageLoopForUI message_loop_;
   std::unique_ptr<GeolocationHandler> geolocation_handler_;
   ShillManagerClient::TestInterface* manager_test_;
   WifiAccessPointVector wifi_access_points_;
+  CellTowerVector cell_towers_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GeolocationHandlerTest);
 };
 
 TEST_F(GeolocationHandlerTest, NoAccessPoints) {
   // Inititial call should return false.
   EXPECT_FALSE(GetWifiAccessPoints());
+  EXPECT_FALSE(GetCellTowers());
   base::RunLoop().RunUntilIdle();
   // Second call should return false since there are no devices.
   EXPECT_FALSE(GetWifiAccessPoints());
+  EXPECT_FALSE(GetCellTowers());
 }
 
 TEST_F(GeolocationHandlerTest, OneAccessPoint) {
-  // Add an acces point.
+  // Add an access point.
   AddAccessPoint(1);
   base::RunLoop().RunUntilIdle();
   // Inititial call should return false and request access points.
   EXPECT_FALSE(GetWifiAccessPoints());
   base::RunLoop().RunUntilIdle();
   // Second call should return true since we have an access point.
   EXPECT_TRUE(GetWifiAccessPoints());
   ASSERT_EQ(1u, wifi_access_points_.size());
   EXPECT_EQ("01:00:00:00:00:00", wifi_access_points_[0].mac_address);
   EXPECT_EQ(1, wifi_access_points_[0].channel);
 }
 
 TEST_F(GeolocationHandlerTest, MultipleAccessPoints) {
-  // Add several acces points.
+  // Add several access points.
   AddAccessPoint(1);
   AddAccessPoint(2);
   AddAccessPoint(3);
   base::RunLoop().RunUntilIdle();
   // Inititial call should return false and request access points.
   EXPECT_FALSE(GetWifiAccessPoints());
+  EXPECT_FALSE(GetCellTowers());
   base::RunLoop().RunUntilIdle();
   // Second call should return true since we have an access point.
   EXPECT_TRUE(GetWifiAccessPoints());
   ASSERT_EQ(3u, wifi_access_points_.size());
   EXPECT_EQ("02:00:00:00:00:00", wifi_access_points_[1].mac_address);
   EXPECT_EQ(3, wifi_access_points_[2].channel);
 }
 
+TEST_F(GeolocationHandlerTest, OneCellTower) {
+  // Add a cell tower.
+  AddCellTower(1);
+  base::RunLoop().RunUntilIdle();
+  // Inititial call should return false and request towers.
+  EXPECT_FALSE(GetCellTowers());
+  EXPECT_FALSE(GetWifiAccessPoints());
+  base::RunLoop().RunUntilIdle();
+  // Second call should return true since we have a cell tower.
+  EXPECT_TRUE(GetCellTowers());
+  EXPECT_FALSE(GetWifiAccessPoints());
+  ASSERT_EQ(1u, cell_towers_.size());
+  EXPECT_EQ("1", cell_towers_[0].ci);
+  EXPECT_EQ("10", cell_towers_[0].lac);
+  EXPECT_EQ("100", cell_towers_[0].mcc);
+  EXPECT_EQ("101", cell_towers_[0].mnc);
+}
+
+TEST_F(GeolocationHandlerTest, MultipleCellTowers) {
+  // Add several cell towers.
+  AddCellTower(1);
+  AddCellTower(2);
+  AddCellTower(3);
+  base::RunLoop().RunUntilIdle();
+  // Inititial call should return false and request cell towers.
+  EXPECT_FALSE(GetWifiAccessPoints());
+  EXPECT_FALSE(GetCellTowers());
+  base::RunLoop().RunUntilIdle();
+  // Second call should return true since we have a cell tower.
+  EXPECT_FALSE(GetWifiAccessPoints());
+  EXPECT_TRUE(GetCellTowers());
+  ASSERT_EQ(3u, cell_towers_.size());
+  EXPECT_EQ("20", cell_towers_[1].lac);
+  EXPECT_EQ("301", cell_towers_[2].mnc);
+}
+
+TEST_F(GeolocationHandlerTest, MultipleGeolocations) {
+  // Add both a cell tower and wifi AP.
+  AddCellTower(1);
+  AddCellTower(2);
+  AddAccessPoint(1);
+  AddAccessPoint(2);
+  base::RunLoop().RunUntilIdle();
+  // Inititial call should return false and request towers.
+  EXPECT_FALSE(GetCellTowers());
+  EXPECT_FALSE(GetWifiAccessPoints());
+  base::RunLoop().RunUntilIdle();
+  // Second call should return true since we have a cell tower.
+  EXPECT_TRUE(GetCellTowers());
+  EXPECT_TRUE(GetWifiAccessPoints());
+  ASSERT_EQ(2u, wifi_access_points_.size());
+  EXPECT_EQ("02:00:00:00:00:00", wifi_access_points_[1].mac_address);
+  EXPECT_EQ(1, wifi_access_points_[0].channel);
+
+  ASSERT_EQ(2u, cell_towers_.size());
+  EXPECT_EQ("2", cell_towers_[1].ci);
+  EXPECT_EQ("10", cell_towers_[0].lac);
+  EXPECT_EQ("200", cell_towers_[1].mcc);
+  EXPECT_EQ("101", cell_towers_[0].mnc);
+}
+
 }  // namespace chromeos