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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/mojo/keep_alive_impl.h"
#include <utility>
#include "base/run_loop.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extensions_test.h"
#include "extensions/browser/process_manager.h"
#include "extensions/browser/unloaded_extension_reason.h"
#include "extensions/common/extension_builder.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace extensions {
class KeepAliveTest : public ExtensionsTest {
public:
KeepAliveTest() : mojo_activity_(Activity::MOJO, "") {}
KeepAliveTest(const KeepAliveTest&) = delete;
KeepAliveTest& operator=(const KeepAliveTest&) = delete;
~KeepAliveTest() override {}
void SetUp() override {
ExtensionsTest::SetUp();
extension_ =
ExtensionBuilder()
.SetManifest(
base::Value::Dict()
.Set("name", "app")
.Set("version", "1")
.Set("manifest_version", 2)
.Set("app", base::Value::Dict().Set(
"background",
base::Value::Dict().Set(
"scripts", base::Value::List().Append(
"background.js")))))
.SetID("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
.Build();
}
void WaitUntilLazyKeepAliveChanges() {
int initial_keep_alive_count = GetKeepAliveCount();
while (GetKeepAliveCount() == initial_keep_alive_count) {
base::RunLoop().RunUntilIdle();
}
}
void CreateKeepAlive(mojo::PendingReceiver<KeepAlive> receiver) {
KeepAliveImpl::Create(browser_context(), extension_.get(), nullptr,
std::move(receiver));
}
const Extension* extension() { return extension_.get(); }
int GetKeepAliveCount() {
return ProcessManager::Get(browser_context())
->GetLazyKeepaliveCount(extension());
}
using ActivitiesMultiset = ProcessManager::ActivitiesMultiset;
const std::pair<Activity::Type, std::string> mojo_activity_;
ActivitiesMultiset GetActivities() {
return ProcessManager::Get(browser_context())
->GetLazyKeepaliveActivities(extension());
}
private:
scoped_refptr<const Extension> extension_;
};
TEST_F(KeepAliveTest, Basic) {
mojo::PendingRemote<KeepAlive> keep_alive;
CreateKeepAlive(keep_alive.InitWithNewPipeAndPassReceiver());
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
keep_alive.reset();
WaitUntilLazyKeepAliveChanges();
EXPECT_EQ(0, GetKeepAliveCount());
EXPECT_EQ(0u, GetActivities().count(mojo_activity_));
}
TEST_F(KeepAliveTest, TwoKeepAlives) {
mojo::PendingRemote<KeepAlive> keep_alive;
CreateKeepAlive(keep_alive.InitWithNewPipeAndPassReceiver());
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
mojo::PendingRemote<KeepAlive> other_keep_alive;
CreateKeepAlive(other_keep_alive.InitWithNewPipeAndPassReceiver());
EXPECT_EQ(2, GetKeepAliveCount());
EXPECT_EQ(2u, GetActivities().count(mojo_activity_));
keep_alive.reset();
WaitUntilLazyKeepAliveChanges();
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
other_keep_alive.reset();
WaitUntilLazyKeepAliveChanges();
EXPECT_EQ(0, GetKeepAliveCount());
EXPECT_EQ(0u, GetActivities().count(mojo_activity_));
}
TEST_F(KeepAliveTest, UnloadExtension) {
mojo::Remote<KeepAlive> keep_alive;
CreateKeepAlive(keep_alive.BindNewPipeAndPassReceiver());
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
scoped_refptr<const Extension> other_extension =
ExtensionBuilder()
.SetManifest(
base::Value::Dict()
.Set("name", "app")
.Set("version", "1")
.Set("manifest_version", 2)
.Set("app", base::Value::Dict().Set(
"background",
base::Value::Dict().Set(
"scripts", base::Value::List().Append(
"background.js")))))
.SetID("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb")
.Build();
ExtensionRegistry::Get(browser_context())
->TriggerOnUnloaded(other_extension.get(),
UnloadedExtensionReason::DISABLE);
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
ExtensionRegistry::Get(browser_context())
->TriggerOnUnloaded(extension(), UnloadedExtensionReason::DISABLE);
// When its extension is unloaded, the KeepAliveImpl should not modify the
// keep-alive count for its extension. However, ProcessManager resets its
// keep-alive count for an unloaded extension.
EXPECT_EQ(0, GetKeepAliveCount());
EXPECT_EQ(0u, GetActivities().count(mojo_activity_));
// Wait for |keep_alive| to disconnect.
base::RunLoop run_loop;
keep_alive.set_disconnect_handler(run_loop.QuitClosure());
run_loop.Run();
}
TEST_F(KeepAliveTest, ShutdownExtensionRegistry) {
mojo::Remote<KeepAlive> keep_alive;
CreateKeepAlive(keep_alive.BindNewPipeAndPassReceiver());
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
ExtensionRegistry::Get(browser_context())->Shutdown();
// After a shutdown event, the KeepAliveImpl should not access its
// ProcessManager and so the keep-alive count should remain unchanged.
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
// Wait for |keep_alive| to disconnect.
base::RunLoop run_loop;
keep_alive.set_disconnect_handler(run_loop.QuitClosure());
run_loop.Run();
}
TEST_F(KeepAliveTest, ShutdownProcessManager) {
mojo::Remote<KeepAlive> keep_alive;
CreateKeepAlive(keep_alive.BindNewPipeAndPassReceiver());
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
ProcessManager::Get(browser_context())->Shutdown();
// After a shutdown event, the KeepAliveImpl should not access its
// ProcessManager and so the keep-alive count should remain unchanged.
EXPECT_EQ(1, GetKeepAliveCount());
EXPECT_EQ(1u, GetActivities().count(mojo_activity_));
// Wait for |keep_alive| to disconnect.
base::RunLoop run_loop;
keep_alive.set_disconnect_handler(run_loop.QuitClosure());
run_loop.Run();
}
} // namespace extensions
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