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// Copyright 2019 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/ui/extensions/extension_installed_waiter.h"
#include "base/functional/callback_helpers.h"
#include "base/test/run_until.h"
#include "chrome/browser/extensions/extension_browsertest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/test/browser_test.h"
#include "extensions/browser/extension_registrar.h"
#include "extensions/common/extension_builder.h"
#include "testing/gtest/include/gtest/gtest.h"
using extensions::Extension;
class ExtensionInstalledWaiterTest : public extensions::ExtensionBrowserTest {
public:
void TearDownOnMainThread() override {
ExtensionInstalledWaiter::SetGivingUpCallbackForTesting(
base::NullCallback());
extensions::ExtensionBrowserTest::TearDownOnMainThread();
}
void WaitFor(scoped_refptr<const Extension> extension,
Browser* test_browser = nullptr) {
ExtensionInstalledWaiter::SetGivingUpCallbackForTesting(base::BindRepeating(
&ExtensionInstalledWaiterTest::GivingUp, base::Unretained(this)));
if (!test_browser) {
test_browser = browser();
}
ExtensionInstalledWaiter::WaitForInstall(
extension, test_browser,
base::BindOnce(&ExtensionInstalledWaiterTest::Done,
base::Unretained(this)));
}
void Done() { done_called_++; }
void GivingUp() { giving_up_called_++; }
protected:
int done_called_ = 0;
int giving_up_called_ = 0;
scoped_refptr<const Extension> MakeExtensionNamed(const std::string& name) {
return extensions::ExtensionBuilder(name).Build();
}
extensions::ExtensionRegistrar* extension_registrar() {
return extensions::ExtensionRegistrar::Get(profile());
}
};
IN_PROC_BROWSER_TEST_F(ExtensionInstalledWaiterTest,
ExtensionIsAlreadyInstalled) {
auto extension = MakeExtensionNamed("foo");
extension_registrar()->AddExtension(extension);
WaitFor(extension);
EXPECT_EQ(1, done_called_);
}
IN_PROC_BROWSER_TEST_F(ExtensionInstalledWaiterTest, ExtensionInstall) {
auto extension = MakeExtensionNamed("foo");
WaitFor(extension);
EXPECT_EQ(0, done_called_);
extension_registrar()->AddExtension(extension);
// ExtensionInstalledWaiter must *not* call the done callback on the same
// runloop cycle as the extension installation, to allow all the other
// observers to run.
EXPECT_EQ(0, done_called_);
ASSERT_TRUE(base::test::RunUntil([&] { return done_called_ >= 1; }));
EXPECT_EQ(1, done_called_);
}
IN_PROC_BROWSER_TEST_F(ExtensionInstalledWaiterTest,
NotTheExtensionYouAreLookingFor) {
auto foo = MakeExtensionNamed("foo");
auto bar = MakeExtensionNamed("bar");
WaitFor(foo);
EXPECT_EQ(0, done_called_);
extension_registrar()->AddExtension(bar);
extension_registrar()->AddExtension(foo);
ASSERT_TRUE(base::test::RunUntil([&] { return done_called_ >= 1; }));
EXPECT_EQ(1, done_called_);
}
IN_PROC_BROWSER_TEST_F(ExtensionInstalledWaiterTest,
ExtensionUninstalledWhileWaiting) {
auto extension = MakeExtensionNamed("foo");
WaitFor(extension);
EXPECT_EQ(0, done_called_);
EXPECT_EQ(0, giving_up_called_);
extension_registrar()->AddExtension(extension);
extension_registrar()->RemoveExtension(
extension->id(), extensions::UnloadedExtensionReason::UNINSTALL);
ASSERT_TRUE(base::test::RunUntil([&] { return giving_up_called_ >= 1; }));
EXPECT_EQ(1, giving_up_called_);
EXPECT_EQ(0, done_called_);
}
IN_PROC_BROWSER_TEST_F(ExtensionInstalledWaiterTest,
BrowserShutdownWhileWaiting) {
auto foo = MakeExtensionNamed("foo");
WaitFor(foo, browser());
CloseBrowserSynchronously(browser());
EXPECT_EQ(1, giving_up_called_);
EXPECT_EQ(0, done_called_);
}
// Regression test for https://crbug.com/1049190.
IN_PROC_BROWSER_TEST_F(ExtensionInstalledWaiterTest,
BrowserShutdownWhileWaitingDoesntCrash) {
auto foo = MakeExtensionNamed("foo");
WaitFor(foo, browser());
// Null out the giving-up callback, which is how the class is actually used in
// production.
ExtensionInstalledWaiter::SetGivingUpCallbackForTesting({});
// If the fix for https://crbug.com/1049190 regresses, this will crash:
chrome::CloseWindow(browser());
ui_test_utils::WaitForBrowserToClose(browser());
EXPECT_EQ(0, giving_up_called_);
EXPECT_EQ(0, done_called_);
}
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