Add device policy to disallow shutdown - ash UI modifications

chrome/browser/chromeos/shutdown_policy_browsertest.cc

+// Copyright 2014 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 <string>
+
+#include "ash/shell.h"
+#include "ash/system/date/date_default_view.h"
+#include "ash/system/date/tray_date.h"
+#include "ash/system/tray/system_tray.h"
+#include "ash/system/user/login_status.h"
+#include "base/command_line.h"
+#include "base/location.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/strings/stringprintf.h"
+#include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/chromeos/login/lock/screen_locker.h"
+#include "chrome/browser/chromeos/login/lock/screen_locker_tester.h"
+#include "chrome/browser/chromeos/login/lock/webui_screen_locker.h"
+#include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
+#include "chrome/browser/chromeos/login/ui/webui_login_view.h"
+#include "chrome/browser/chromeos/policy/device_policy_builder.h"
+#include "chrome/browser/chromeos/policy/device_policy_cros_browser_test.h"
+#include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
+#include "chrome/browser/chromeos/settings/device_settings_service.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
+#include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
+#include "chromeos/chromeos_switches.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/fake_session_manager_client.h"
+#include "chromeos/dbus/session_manager_client.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_ui.h"
+#include "content/public/test/browser_test_utils.h"
+#include "content/public/test/test_utils.h"
+#include "ui/compositor/scoped_animation_duration_scale_mode.h"
+#include "ui/views/view.h"

[stevenjb, 2014/12/17 19:09:02]

Does this really need all of these dependencies, or were they copied from
elsewhere? :)

+
+namespace em = enterprise_management;
+
+namespace chromeos {
+
+namespace {
+
+const char kWaitForHiddenStateScript[] =
+    "var screenElement = document.getElementById('%s');"
+    "var expectation = %s;"
+    "function SendReplyIfAsExpected() {"
+    "  if (screenElement.hidden != expectation)"
+    "    return false;"
+    "  domAutomationController.send(screenElement.hidden);"
+    "  observer.disconnect();"
+    "  return true;"
+    "}"
+    "var observer = new MutationObserver(SendReplyIfAsExpected);"
+    "if (!SendReplyIfAsExpected()) {"
+    "  var options = { attributes: true };"
+    "  observer.observe(screenElement, options);"
+    "}";
+
+}  // namespace
+
+class ShutdownPolicyBaseTest
+    : public policy::DevicePolicyCrosBrowserTest,
+      public DeviceSettingsService::Observer {
+ protected:
+  ShutdownPolicyBaseTest() : contents_(nullptr) {}
+  virtual ~ShutdownPolicyBaseTest() {}

[stevenjb, 2014/12/17 19:09:02]

override instead of virtual

+
+  // DeviceSettingsService::Observer:
+  virtual void OwnershipStatusChanged() override {}

[stevenjb, 2014/12/17 19:09:02]

no 'virtual' in overrides
Blank line between implemented methods.

+  virtual void DeviceSettingsUpdated() override {
+    if (run_loop_)
+      run_loop_->Quit();
+  }
+  virtual void OnDeviceSettingsServiceShutdown() override {}
+
+  // policy::DevicePolicyCrosBrowserTest:
+  virtual void SetUpInProcessBrowserTestFixture() override {
+    policy::DevicePolicyCrosBrowserTest::SetUpInProcessBrowserTestFixture();
+    InstallOwnerKey();
+    MarkAsEnterpriseOwned();
+  }
+
+  // A helper functions which prepares the script by injecting the element_id of
+  // the element whose hiddenness we want to check and the expectation.
+  std::string PrepareScript(const std::string& element_id, bool expectation) {
+    return base::StringPrintf(kWaitForHiddenStateScript, element_id.c_str(),
+                              expectation ? "true" : "false");
+  }
+
+  // Checks whether the element identified by |element_id| is hidden and only
+  // returns if the expectation is fulfilled.
+  void PrepareAndRunScript(const std::string& element_id, bool expectation) {
+    ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
+        contents_, PrepareScript(element_id, expectation),
+        &result_));
+  }
+
+  // Updates the device shutdown policy and sets it to |reboot_on_shutdown|.
+  void UpdateRebootOnShutdownPolicy(bool reboot_on_shutdown) {
+    policy::DevicePolicyBuilder* builder = device_policy();
+    ASSERT_TRUE(builder);
+    em::ChromeDeviceSettingsProto& proto(builder->payload());
+    proto.mutable_reboot_on_shutdown()->set_reboot_on_shutdown(
+        reboot_on_shutdown);
+  }
+
+  // Refreshes device policy and waits for it to be applied.
+  virtual void SyncRefreshDevicePolicy() {
+    run_loop_.reset(new base::RunLoop());
+    DeviceSettingsService::Get()->AddObserver(this);
+    RefreshDevicePolicy();
+    run_loop_->Run();
+    DeviceSettingsService::Get()->RemoveObserver(this);
+    run_loop_.reset();
+  }
+
+  // Blocks until the OobeUI indicates that the javascript side has been
+  // initialized.
+  void WaitForOobeIO(OobeUI* oobe_ui) {
+    ASSERT_TRUE(oobe_ui);
+    base::RunLoop run_loop;
+    const bool oobe_ui_ready = oobe_ui->IsJSReady(run_loop.QuitClosure());
+    if (!oobe_ui_ready)
+      run_loop.Run();
+  }
+
+  content::WebContents* contents_;
+  bool result_;
+  scoped_ptr<base::RunLoop> run_loop_;
+};
+
+class ShutdownPolicyInSessionTest
+    : public ShutdownPolicyBaseTest {
+ protected:
+  ShutdownPolicyInSessionTest() {}
+  virtual ~ShutdownPolicyInSessionTest() {}
+
+  virtual void SetUpOnMainThread() override {
+    ShutdownPolicyBaseTest::SetUpOnMainThread();
+    ash::TrayDate* tray_date = ash::Shell::GetInstance()
+                                 ->GetPrimarySystemTray()
+                                 ->GetTrayDateForTesting();
+    ASSERT_TRUE(tray_date);
+    date_default_view_.reset(
+        static_cast<ash::DateDefaultView*>(
+            tray_date->CreateDefaultViewForTesting(ash::user::LOGGED_IN_USER)));
+    ASSERT_TRUE(date_default_view_);
+  }
+
+  void TearDownOnMainThread() override {
+    date_default_view_.reset();
+    ShutdownPolicyBaseTest::TearDownOnMainThread();
+  }
+
+  // Get the shutdown and reboot button view from the date default view.
+  void GetShutdownAndRebootButton(views::View** shutdown_button,
+                                   views::View** reboot_button) {
+    *shutdown_button = date_default_view_->GetShutdownButtonView();
+    ASSERT_TRUE(*shutdown_button);
+    *reboot_button = date_default_view_->GetRebootButtonView();
+    ASSERT_TRUE(*reboot_button);
+  }
+  scoped_ptr<ash::DateDefaultView> date_default_view_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShutdownPolicyInSessionTest);
+};
+
+IN_PROC_BROWSER_TEST_F(ShutdownPolicyInSessionTest, TestBasic) {
+  views::View *shutdown_button, *reboot_button;
+  GetShutdownAndRebootButton(&shutdown_button, &reboot_button);
+  EXPECT_TRUE(shutdown_button->visible());
+  EXPECT_FALSE(reboot_button->visible());
+}
+
+IN_PROC_BROWSER_TEST_F(ShutdownPolicyInSessionTest, PolicyChange) {
+  views::View *shutdown_button, *reboot_button;
+  GetShutdownAndRebootButton(&shutdown_button, &reboot_button);
+
+  UpdateRebootOnShutdownPolicy(true);
+  SyncRefreshDevicePolicy();
+  EXPECT_FALSE(shutdown_button->visible());
+  EXPECT_TRUE(reboot_button->visible());
+
+  UpdateRebootOnShutdownPolicy(false);
+  SyncRefreshDevicePolicy();
+  EXPECT_TRUE(shutdown_button->visible());
+  EXPECT_FALSE(reboot_button->visible());
+}
+
+class ShutdownPolicyLockerTest : public ShutdownPolicyBaseTest {
+ protected:
+  ShutdownPolicyLockerTest() : fake_session_manager_client_(nullptr) {}
+  virtual ~ShutdownPolicyLockerTest() {}
+
+  virtual void SetUpInProcessBrowserTestFixture() override {
+    fake_session_manager_client_ = new FakeSessionManagerClient;
+    DBusThreadManager::GetSetterForTesting()->SetSessionManagerClient(
+        scoped_ptr<SessionManagerClient>(fake_session_manager_client_));
+
+    ShutdownPolicyBaseTest::SetUpInProcessBrowserTestFixture();
+    zero_duration_mode_.reset(new ui::ScopedAnimationDurationScaleMode(
+        ui::ScopedAnimationDurationScaleMode::ZERO_DURATION));
+    InstallOwnerKey();
+    MarkAsEnterpriseOwned();
+  }
+
+  virtual void SetUpOnMainThread() override {
+    ShutdownPolicyBaseTest::SetUpOnMainThread();
+
+    // Bring up the locker screen.
+    ScreenLocker::Show();
+    scoped_ptr<test::ScreenLockerTester> tester(ScreenLocker::GetTester());
+    tester->EmulateWindowManagerReady();
+    content::WindowedNotificationObserver lock_state_observer(
+        chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
+        content::NotificationService::AllSources());
+    if (!tester->IsLocked())
+      lock_state_observer.Wait();
+    ScreenLocker* screen_locker = ScreenLocker::default_screen_locker();
+    WebUIScreenLocker* web_ui_screen_locker =
+        static_cast<WebUIScreenLocker*>(screen_locker->delegate());
+    ASSERT_TRUE(web_ui_screen_locker);
+    content::WebUI* web_ui = web_ui_screen_locker->GetWebUI();
+    ASSERT_TRUE(web_ui);
+    contents_ = web_ui->GetWebContents();
+    ASSERT_TRUE(contents_);
+
+    // Wait for the login UI to be ready.
+    WaitForOobeIO(
+        static_cast<OobeUI*>(web_ui->GetController()));
+  }
+
+  scoped_ptr<ui::ScopedAnimationDurationScaleMode> zero_duration_mode_;
+  FakeSessionManagerClient* fake_session_manager_client_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShutdownPolicyLockerTest);
+};
+
+IN_PROC_BROWSER_TEST_F(ShutdownPolicyLockerTest, TestBasic) {
+  PrepareAndRunScript("restart-header-bar-item", true);
+  PrepareAndRunScript("shutdown-header-bar-item", false);
+}
+
+IN_PROC_BROWSER_TEST_F(ShutdownPolicyLockerTest, PolicyChange) {
+  UpdateRebootOnShutdownPolicy(true);
+  RefreshDevicePolicy();
+  PrepareAndRunScript("restart-header-bar-item", false);
+  PrepareAndRunScript("shutdown-header-bar-item", true);
+
+  UpdateRebootOnShutdownPolicy(false);
+  RefreshDevicePolicy();
+  PrepareAndRunScript("restart-header-bar-item", true);
+  PrepareAndRunScript("shutdown-header-bar-item", false);
+}
+
+class ShutdownPolicyLoginTest : public ShutdownPolicyBaseTest {
+ protected:
+  ShutdownPolicyLoginTest() {}
+
+  // ShutdownPolicyBaseTest:
+  virtual void SetUpCommandLine(CommandLine* command_line) override {
+    command_line->AppendSwitch(switches::kLoginManager);
+    command_line->AppendSwitch(switches::kForceLoginManagerInTests);
+  }
+
+  virtual void SetUpInProcessBrowserTestFixture() override {
+    ShutdownPolicyBaseTest::SetUpInProcessBrowserTestFixture();
+    InstallOwnerKey();
+    MarkAsEnterpriseOwned();
+  }
+
+  virtual void SetUpOnMainThread() override {
+    ShutdownPolicyBaseTest::SetUpOnMainThread();
+
+    content::WindowedNotificationObserver(
+        chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
+        content::NotificationService::AllSources()).Wait();
+    LoginDisplayHostImpl* host =
+        static_cast<LoginDisplayHostImpl*>(
+            LoginDisplayHostImpl::default_host());
+    ASSERT_TRUE(host);
+    WebUILoginView* web_ui_login_view = host->GetWebUILoginView();
+    ASSERT_TRUE(web_ui_login_view);
+    content::WebUI* web_ui = web_ui_login_view->GetWebUI();
+    ASSERT_TRUE(web_ui);
+    contents_ = web_ui->GetWebContents();
+    ASSERT_TRUE(contents_);
+
+    // Wait for the login UI to be ready.
+    WaitForOobeIO(host->GetOobeUI());
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShutdownPolicyLoginTest);
+};
+
+IN_PROC_BROWSER_TEST_F(ShutdownPolicyLoginTest, PolicyNotSet) {
+  PrepareAndRunScript("restart-header-bar-item", true);
+  PrepareAndRunScript("shutdown-header-bar-item", false);
+}
+
+IN_PROC_BROWSER_TEST_F(ShutdownPolicyLoginTest, PolicyChange) {
+  UpdateRebootOnShutdownPolicy(true);
+  RefreshDevicePolicy();
+  PrepareAndRunScript("restart-header-bar-item", false);
+  PrepareAndRunScript("shutdown-header-bar-item", true);
+
+  UpdateRebootOnShutdownPolicy(false);
+  RefreshDevicePolicy();
+  PrepareAndRunScript("restart-header-bar-item", true);
+  PrepareAndRunScript("shutdown-header-bar-item", false);
+}
+
+}  // namespace chromeos