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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.
#ifndef CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_TEST_H_
#define CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_TEST_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
class Profile;
class TestingProfile;
namespace content {
class BrowserContext;
}
namespace extensions {
class ExtensionRegistrar;
class ExtensionRegistry;
// A canonical unit test class for exercising components of the extensions
// platform. This test suite will create a test profile and, along with it, the
// various extension services that are necessary. It also includes some handy
// accessors for extremely common utilities.
//
// This is not meant to be a catch-all for *everything* you may need to do in
// a unit test. Please add niche / bespoke functionality to derived test
// suites (or helper classes, or elsewhere).
//
// Note: If you are just testing functionality from the //extensions layer,
// please prefer placing your unit test there and adding them to the
// `extensions_unittests` build target. Unlike browser tests (which can be more
// "end-to-end" or integration tests), unit tests *should* be targeted, so
// please place them proximal to the code under test.
class ChromeExtensionTest : public testing::Test {
public:
ChromeExtensionTest();
ChromeExtensionTest(const ChromeExtensionTest&) = delete;
ChromeExtensionTest& operator=(const ChromeExtensionTest&) = delete;
~ChromeExtensionTest() override;
// testing::Test:
void SetUp() override;
void TearDown() override;
content::BrowserTaskEnvironment* task_environment() {
return &task_environment_;
}
ExtensionRegistrar* extension_registrar() {
return extension_registrar_.get();
}
ExtensionRegistry* extension_registry() { return extension_registry_.get(); }
// Note: Defined in the .cc file so that we don't need to include
// testing_profile.h here.
Profile* profile();
// Note: Defined in the .cc file so that we don't need to include profile.h
// here.
content::BrowserContext* browser_context();
TestingProfile* testing_profile() { return profile_.get(); }
private:
// Must be constructed before any other members that conceivably care about
// tasks. So, put it first.
content::BrowserTaskEnvironment task_environment_;
// Owns KeyedServices (though these are torn down before test destruction).
std::unique_ptr<TestingProfile> profile_;
raw_ptr<ExtensionRegistrar> extension_registrar_;
raw_ptr<ExtensionRegistry> extension_registry_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_TEST_H_
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