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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/test/base/chrome_unit_test_suite.h"
#include <memory>
#include "base/environment.h"
#include "base/path_service.h"
#include "base/power_monitor/power_monitor.h"
#include "base/process/process_handle.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/lifetime/browser_shutdown.h"
#include "chrome/browser/profiles/profile_shortcut_manager.h"
#include "chrome/browser/ui/webui/chrome_web_ui_configs.h"
#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
#include "chrome/browser/update_client/chrome_update_query_params_delegate.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/component_updater/component_updater_paths.h"
#include "components/startup_metric_utils/common/startup_metric_utils.h"
#include "components/update_client/update_query_params.h"
#include "content/public/browser/browser_accessibility_state.h"
#include "content/public/browser/webui_config_map.h"
#include "content/public/common/content_paths.h"
#include "content/public/test/scoped_web_ui_controller_factory_registration.h"
#include "extensions/buildflags/buildflags.h"
#include "gpu/ipc/service/image_transport_surface.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/accessibility/ax_mode.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/resource/resource_handle.h"
#include "ui/base/ui_base_paths.h"
#include "ui/gl/test/gl_surface_test_support.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "ash/constants/ash_paths.h"
#include "chrome/browser/ash/arc/arc_util.h"
#include "chromeos/dbus/constants/dbus_paths.h"
#include "crypto/nss_util_internal.h"
#endif
#if !BUILDFLAG(IS_ANDROID)
#include "chrome/browser/web_applications/isolated_web_apps/isolated_web_app_trust_checker.h"
#include "components/web_package/signed_web_bundles/signed_web_bundle_id.h"
#endif // !BUILDFLAG(IS_ANDROID)
#if BUILDFLAG(ENABLE_EXTENSIONS_CORE)
#include "chrome/common/initialize_extensions_client.h"
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "extensions/common/extension_paths.h"
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
namespace {
constexpr char kDefaultLocale[] = "en-US";
// Creates a TestingBrowserProcess for each test.
class ChromeUnitTestSuiteInitializer : public testing::EmptyTestEventListener {
public:
ChromeUnitTestSuiteInitializer() = default;
ChromeUnitTestSuiteInitializer(const ChromeUnitTestSuiteInitializer&) =
delete;
ChromeUnitTestSuiteInitializer& operator=(
const ChromeUnitTestSuiteInitializer&) = delete;
~ChromeUnitTestSuiteInitializer() override = default;
void OnTestStart(const testing::TestInfo& test_info) override {
TestingBrowserProcess::CreateInstance();
// Make sure the loaded locale is "en-US".
if (ui::ResourceBundle::GetSharedInstance().GetLoadedLocale() !=
kDefaultLocale) {
// Linux uses environment to determine locale.
std::unique_ptr<base::Environment> env(base::Environment::Create());
env->SetVar("LANG", kDefaultLocale);
ui::ResourceBundle::GetSharedInstance().ReloadLocaleResources(
kDefaultLocale);
}
}
void OnTestEnd(const testing::TestInfo& test_info) override {
TestingBrowserProcess::TearDownAndDeleteInstance();
// Some tests cause ChildThreadImpl to initialize a PowerMonitor.
base::PowerMonitor::GetInstance()->ShutdownForTesting();
#if BUILDFLAG(IS_WIN)
// Running tests locally on Windows machines with some degree of
// accessibility enabled can cause this flag to become implicitly set.
constexpr ui::AXMode kAllowedFlags(ui::AXMode::kNativeAPIs);
#else
constexpr ui::AXMode kAllowedFlags(ui::AXMode::kNone);
#endif
if (ui::AXMode disallowed =
content::BrowserAccessibilityState::GetInstance()
->GetAccessibilityMode() &
~kAllowedFlags;
!disallowed.is_mode_off()) {
CHECK_EQ(disallowed, ui::AXMode())
<< "Use content::ScopedAccessibilityModeOverride or otherwise ensure "
"that accessibility is disabled at the end of your test.";
}
#if BUILDFLAG(IS_CHROMEOS)
arc::ClearArcAllowedCheckForTesting();
crypto::ResetTokenManagerForTesting();
#endif // BUILDFLAG(IS_CHROMEOS)
#if !BUILDFLAG(IS_ANDROID)
web_app::SetTrustedWebBundleIdsForTesting({});
#endif // !BUILDFLAG(IS_ANDROID)
browser_shutdown::ResetShutdownGlobalsForTesting();
}
};
} // namespace
ChromeUnitTestSuite::ChromeUnitTestSuite(int argc, char** argv)
: ChromeTestSuite(argc, argv) {}
void ChromeUnitTestSuite::Initialize() {
// Add an additional listener to do the extra initialization for unit tests.
// It will be started before the base class listeners and ended after the
// base class listeners.
testing::TestEventListeners& listeners =
testing::UnitTest::GetInstance()->listeners();
listeners.Append(new ChromeUnitTestSuiteInitializer);
listeners.Append(new content::CheckForLeakedWebUIRegistrations);
{
ChromeContentClient content_client;
RegisterContentSchemes(&content_client);
}
InitializeProviders();
RegisterInProcessThreads();
ChromeTestSuite::Initialize();
// This needs to run after ChromeTestSuite::Initialize which calls content's
// intialization which calls base's which initializes ICU.
InitializeResourceBundle();
base::DiscardableMemoryAllocator::SetInstance(&discardable_memory_allocator_);
ProfileShortcutManager::DisableForUnitTests();
// BrowserView assumes that application start time is set when it is painted.
// Since RecordApplicationStartTime() would DCHECK if it was invoked from
// multiple tests in the same process, invoke it once in test suite
// initialization.
startup_metric_utils::GetCommon().RecordApplicationStartTime(
base::TimeTicks::Now());
}
void ChromeUnitTestSuite::Shutdown() {
ui::ResourceBundle::CleanupSharedInstance();
ChromeTestSuite::Shutdown();
}
void ChromeUnitTestSuite::InitializeProviders() {
chrome::RegisterPathProvider();
content::RegisterPathProvider();
ui::RegisterPathProvider();
component_updater::RegisterPathProvider(chrome::DIR_COMPONENTS,
chrome::DIR_INTERNAL_PLUGINS,
chrome::DIR_USER_DATA);
#if BUILDFLAG(IS_CHROMEOS)
ash::RegisterPathProvider();
chromeos::dbus_paths::RegisterPathProvider();
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::RegisterPathProvider();
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS_CORE)
EnsureExtensionsClientInitialized();
#endif
content::WebUIControllerFactory::RegisterFactory(
ChromeWebUIControllerFactory::GetInstance());
RegisterChromeWebUIConfigs();
gl::GLSurfaceTestSupport::InitializeOneOff();
update_client::UpdateQueryParams::SetDelegate(
ChromeUpdateQueryParamsDelegate::GetInstance());
}
void ChromeUnitTestSuite::InitializeResourceBundle() {
// Force unittests to run using en-US so if we test against string
// output, it'll pass regardless of the system language.
ui::ResourceBundle::InitSharedInstanceWithLocale(
kDefaultLocale, nullptr, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
base::FilePath resources_pack_path;
base::PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
resources_pack_path, ui::kScaleFactorNone);
}
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