text: // Copyright 2020 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 "ash/webui/scanning/url_constants.h"
  #include "base/values.h"
  #include "chrome/browser/ash/policy/handlers/system_features_disable_list_policy_handler.h"
  #include "chrome/browser/ash/web_applications/system_web_app_integration_test.h"
  #include "chrome/browser/ui/browser.h"
  #include "chrome/browser/web_applications/system_web_apps/system_web_app_manager.h"
  #include "chrome/test/base/testing_browser_process.h"
  #include "components/policy/core/common/policy_pref_names.h"
  #include "components/prefs/scoped_user_pref_update.h"
  #include "components/strings/grit/components_strings.h"
  #include "content/public/browser/web_contents.h"
  #include "content/public/browser/web_ui.h"
  #include "content/public/test/browser_test.h"
  #include "testing/gtest/include/gtest/gtest.h"
  #include "ui/base/l10n/l10n_util.h"
  #include "url/gurl.h"
  
  using ScanningAppIntegrationTest = SystemWebAppIntegrationTest;
  
  // Test that the Scanning App installs and launches correctly by running some
  // spot checks on the manifest.
  IN_PROC_BROWSER_TEST_P(ScanningAppIntegrationTest, ScanningAppInLauncher) {
    const GURL url(ash::kChromeUIScanningAppUrl);
    EXPECT_NO_FATAL_FAILURE(
        ExpectSystemWebAppValid(web_app::SystemAppType::SCANNING, url, "Scan"));
  }
  
  // Test that the Scanning App installs correctly but doesn't launch when it's
  // set to be disabled via the SystemFeaturesDisableList policy.
  IN_PROC_BROWSER_TEST_P(ScanningAppIntegrationTest, ScanningAppDisabled) {
    {
      ListPrefUpdate update(TestingBrowserProcess::GetGlobal()->local_state(),
                            policy::policy_prefs::kSystemFeaturesDisableList);
      base::ListValue* list = update.Get();
      list->Append(policy::SystemFeature::kScanning);
    }
  
    ASSERT_FALSE(GetManager()
                     .GetAppIdForSystemApp(web_app::SystemAppType::SCANNING)
                     .has_value());
  
    WaitForTestSystemAppInstall();
  
    // Launch the app without waiting since the Chrome error page will be loaded
    // instead of the app's URL.
    Browser* app_browser;
    LaunchAppWithoutWaiting(web_app::SystemAppType::SCANNING, &app_browser);
  
    ASSERT_TRUE(GetManager()
                    .GetAppIdForSystemApp(web_app::SystemAppType::SCANNING)
                    .has_value());
  
    content::WebContents* web_contents =
        app_browser->tab_strip_model()->GetActiveWebContents();
    EXPECT_TRUE(content::WaitForLoadStop(web_contents));
    content::WebUI* web_ui = web_contents->GetWebUI();
    ASSERT_TRUE(web_ui);
    EXPECT_EQ(l10n_util::GetStringUTF16(IDS_CHROME_URLS_DISABLED_PAGE_HEADER),
              web_contents->GetTitle());
  }
  
  INSTANTIATE_SYSTEM_WEB_APP_MANAGER_TEST_SUITE_REGULAR_PROFILE_P(
      ScanningAppIntegrationTest);
  