Unit test for Data Saver prompt notification

BUG=465607

Sets up logged in user and cellular network for testing, verifies that
the Data Saver prompt notification is shown once cellular becomes the
connected, default network.

Review URL: https://codereview.chromium.org/1108123003

Cr-Commit-Position: refs/heads/master@{#327497}

chrome/browser/chromeos/status/data_promo_notification_unittest.cc

+// Copyright (c) 2015 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 "chrome/browser/chromeos/status/data_promo_notification.h"
+
+#include "base/command_line.h"
+#include "base/run_loop.h"
+#include "chrome/browser/chromeos/login/users/fake_chrome_user_manager.h"
+#include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
+#include "chrome/test/base/testing_browser_process.h"
+#include "chrome/test/base/testing_profile_manager.h"
+#include "chromeos/chromeos_switches.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/shill_device_client.h"
+#include "chromeos/dbus/shill_service_client.h"
+#include "chromeos/login/login_state.h"
+#include "chromeos/network/network_state_handler.h"
+#include "testing/platform_test.h"
+#include "third_party/cros_system_api/dbus/service_constants.h"
+#include "ui/chromeos/network/network_connect.h"
+#include "ui/message_center/message_center.h"
+
+namespace {
+
+const char kCellularDevicePath[] = "/device/stub_cellular_device1";
+const char kCellularServicePath[] = "/service/cellular1";
+const char kNotificationId[] = "chrome://settings/internet/data_saver";
+const char kTestUserName[] = "test-user@example.com";
+
+class NetworkConnectTestDelegate : public ui::NetworkConnect::Delegate {
+ public:
+  NetworkConnectTestDelegate() {}
+  ~NetworkConnectTestDelegate() override {}
+
+  void ShowNetworkConfigure(const std::string& network_id) override {}
+  void ShowNetworkSettingsForGuid(const std::string& network_id) override {}
+  bool ShowEnrollNetwork(const std::string& network_id) override {
+    return false;
+  }
+  void ShowMobileSimDialog() override {}
+  void ShowMobileSetupDialog(const std::string& service_path) override {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NetworkConnectTestDelegate);
+};
+
+}  // namespace
+
+namespace chromeos {
+namespace test {
+
+class DataPromoNotificationTest : public testing::Test {
+ public:
+  DataPromoNotificationTest() {}
+  ~DataPromoNotificationTest() override {}
+
+  void SetUp() override {
+    testing::Test::SetUp();
+    base::CommandLine::ForCurrentProcess()->AppendSwitch(
+        switches::kEnableDataSaverPrompt);
+    DBusThreadManager::Initialize();
+    NetworkHandler::Initialize();
+    data_promo_notification_.reset(new DataPromoNotification);
+    SetupUser();
+    SetupNetworkShillState();
+    message_center::MessageCenter::Initialize();
+    base::RunLoop().RunUntilIdle();
+    network_connect_delegate_.reset(new NetworkConnectTestDelegate);
+    ui::NetworkConnect::Initialize(network_connect_delegate_.get());
+  }
+
+  void TearDown() override {
+    ui::NetworkConnect::Shutdown();
+    network_connect_delegate_.reset();
+    message_center::MessageCenter::Shutdown();
+    LoginState::Shutdown();
+    profile_manager_.reset();
+    user_manager_enabler_.reset();
+    data_promo_notification_.reset();
+    NetworkHandler::Shutdown();
+    DBusThreadManager::Shutdown();
+    testing::Test::TearDown();
+  }
+
+ protected:
+  void SetupUser() {
+    scoped_ptr<FakeChromeUserManager> user_manager(new FakeChromeUserManager());
+    user_manager->AddUser(kTestUserName);
+    user_manager->LoginUser(kTestUserName);
+    user_manager_enabler_.reset(
+        new ScopedUserManagerEnabler(user_manager.release()));
+
+    profile_manager_.reset(
+        new TestingProfileManager(TestingBrowserProcess::GetGlobal()));
+    ASSERT_TRUE(profile_manager_->SetUp());
+    profile_manager_->SetLoggedIn(true);
+    ASSERT_TRUE(user_manager::UserManager::Get()->GetPrimaryUser());
+
+    LoginState::Initialize();
+    LoginState::Get()->SetLoggedInState(LoginState::LOGGED_IN_ACTIVE,
+                                        LoginState::LOGGED_IN_USER_REGULAR);
+  }
+
+  void SetupNetworkShillState() {
+    base::RunLoop().RunUntilIdle();
+
+    // Create a cellular device with provider.
+    ShillDeviceClient::TestInterface* device_test =
+        DBusThreadManager::Get()->GetShillDeviceClient()->GetTestInterface();
+    device_test->ClearDevices();
+    device_test->AddDevice(kCellularDevicePath, shill::kTypeCellular,
+                           "stub_cellular_device1");
+    base::DictionaryValue home_provider;
+    home_provider.SetString("name", "Cellular1_Provider");
+    home_provider.SetString("country", "us");
+    device_test->SetDeviceProperty(kCellularDevicePath,
+                                   shill::kHomeProviderProperty, home_provider);
+
+    // Create a cellular network and activate it.
+    ShillServiceClient::TestInterface* service_test =
+        DBusThreadManager::Get()->GetShillServiceClient()->GetTestInterface();
+    service_test->ClearServices();
+    service_test->AddService(kCellularServicePath, "cellular1_guid",
+                             "cellular1" /* name */, shill::kTypeCellular,
+                             "activated", true /* visible */);
+    service_test->SetServiceProperty(
+        kCellularServicePath, shill::kActivationStateProperty,
+        base::StringValue(shill::kActivationStateActivated));
+    service_test->SetServiceProperty(kCellularServicePath,
+                                     shill::kConnectableProperty,
+                                     base::FundamentalValue(true));
+  }
+
+  scoped_ptr<DataPromoNotification> data_promo_notification_;
+  scoped_ptr<NetworkConnectTestDelegate> network_connect_delegate_;
+  scoped_ptr<ScopedUserManagerEnabler> user_manager_enabler_;
+  scoped_ptr<TestingProfileManager> profile_manager_;
+  base::MessageLoop message_loop_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DataPromoNotificationTest);
+};
+
+TEST_F(DataPromoNotificationTest, DataSaverNotification) {
+  message_center::MessageCenter* message_center =
+      message_center::MessageCenter::Get();
+
+  // Network setup shouldn't be enough to activate notification.
+  EXPECT_FALSE(message_center->FindVisibleNotificationById(kNotificationId));
+
+  ui::NetworkConnect::Get()->ConnectToNetwork(kCellularServicePath);
+  base::RunLoop().RunUntilIdle();
+  // Connecting to cellular network (which here makes it the default network)
+  // should trigger the Data Saver notification.
+  EXPECT_TRUE(message_center->FindVisibleNotificationById(kNotificationId));
+}
+
+}  // namespace test
+}  // namespace chromeos

chrome/chrome_tests_unit.gypi

@@ -1305,6 +1305,7 @@
       'browser/chromeos/settings/session_manager_operation_unittest.cc',
       'browser/chromeos/settings/shutdown_policy_handler_unittest.cc',
       'browser/chromeos/settings/stub_cros_settings_provider_unittest.cc',
+      'browser/chromeos/status/data_promo_notification_unittest.cc',
       'browser/chromeos/system/automatic_reboot_manager_unittest.cc',
       'browser/chromeos/system/device_disabling_manager_unittest.cc',
       'browser/chromeos/ui/accessibility_focus_ring_controller_unittest.cc',