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// Copyright 2025 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/browser/extensions/extension_service.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/no_destructor.h"
#include "base/run_loop.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/extensions/extension_browsertest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/profiles/profile_test_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.h"
#include "components/keyed_service/core/keyed_service_shutdown_notifier.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/extensions_browser_client.h"
class Browser;
namespace extensions {
class BrowserContextShutdownNotifierFactory
: public BrowserContextKeyedServiceShutdownNotifierFactory {
public:
static BrowserContextShutdownNotifierFactory* GetInstance() {
static base::NoDestructor<BrowserContextShutdownNotifierFactory> s_factory;
return s_factory.get();
}
BrowserContextShutdownNotifierFactory(
const BrowserContextShutdownNotifierFactory&) = delete;
BrowserContextShutdownNotifierFactory& operator=(
const BrowserContextShutdownNotifierFactory&) = delete;
private:
friend class base::NoDestructor<BrowserContextShutdownNotifierFactory>;
BrowserContextShutdownNotifierFactory()
: BrowserContextKeyedServiceShutdownNotifierFactory(
"ProfileShutdownWaiter") {}
content::BrowserContext* GetBrowserContextToUse(
content::BrowserContext* context) const override {
return ExtensionsBrowserClient::Get()->GetContextOwnInstance(context);
}
};
class ProfileShutdownWaiter {
public:
ProfileShutdownWaiter(Profile* profile, base::OnceClosure shutdown_callback)
: profile_(profile), shutdown_callback_(std::move(shutdown_callback)) {
SubscribeToProfileShutdownNotifier();
extension_service_ = ExtensionSystem::Get(profile)->extension_service();
}
~ProfileShutdownWaiter() = default;
void SubscribeToProfileShutdownNotifier() {
shutdown_subscription_ =
BrowserContextShutdownNotifierFactory::GetInstance()
->Get(profile_)
->Subscribe(base::BindRepeating(&ProfileShutdownWaiter::Shutdown,
base::Unretained(this)));
}
void Wait() { run_loop_.Run(); }
void Shutdown() {
ASSERT_TRUE(extension_service_);
ASSERT_TRUE(extension_service_->HasShutDownExecutedForTest());
run_loop_.Quit();
profile_ = nullptr;
extension_service_ = nullptr;
if (shutdown_callback_) {
std::move(shutdown_callback_).Run();
}
}
static void EnsureShutdownNotifierFactoryBuilt() {
BrowserContextShutdownNotifierFactory::GetInstance();
}
private:
base::CallbackListSubscription shutdown_subscription_;
base::RunLoop run_loop_;
raw_ptr<Profile> profile_;
base::OnceClosure shutdown_callback_;
raw_ptr<ExtensionService> extension_service_;
};
class ExtensionServiceBrowserTest : public ExtensionBrowserTest {
public:
ExtensionServiceBrowserTest() {
ProfileShutdownWaiter::EnsureShutdownNotifierFactoryBuilt();
}
~ExtensionServiceBrowserTest() override = default;
};
// ChromeOS does not support multiple profiles. Hence excluding this test from
// ChromeOS.
#if !BUILDFLAG(IS_CHROMEOS)
// Tests that ExtensionService does not observe host events after
// ExtensionService::Shutdown() has been executed.
IN_PROC_BROWSER_TEST_F(ExtensionServiceBrowserTest,
NoHostObservationAfterShutDown) {
ProfileManager* profile_manager = g_browser_process->profile_manager();
// Create a new profile
base::FilePath profile_path =
profile_manager->user_data_dir().AppendASCII("TestProfile");
auto* profile =
&profiles::testing::CreateProfileSync(profile_manager, profile_path);
ASSERT_TRUE(profile);
std::unique_ptr<content::WebContents> web_contents;
base::OnceClosure reset_web_contents =
base::BindOnce(&std::unique_ptr<content::WebContents>::reset,
base::Unretained(&web_contents), nullptr);
ProfileShutdownWaiter profile_shutdown_waiter(profile,
std::move(reset_web_contents));
// Create a standalone WebContents for the profile
web_contents =
content::WebContents::Create(content::WebContents::CreateParams(profile));
// Navigate to a URL to ensure render process is created
ASSERT_TRUE(content::NavigateToURL(web_contents.get(), GURL("about:blank")));
content::WaitForLoadStop(web_contents.get());
// Create a browser for the profile
Browser* new_browser = CreateBrowser(profile);
ASSERT_TRUE(new_browser);
// Close the browser window to trigger profile shutdown
new_browser->window()->Close();
// Wait for profile to shut down.
profile_shutdown_waiter.Wait();
}
#endif // !BUILDFLAG(IS_CHROMEOS)
} // namespace extensions
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