// Copyright 2018 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/ash/policy/remote_commands/device_command_wipe_users_job.h"
#include <memory>
#include <utility>
#include "base/functional/callback.h"
#include "base/location.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/task_runner.h"
#include "base/test/test_future.h"
#include "base/time/time.h"
#include "chrome/browser/ash/system/user_removal_manager.h"
#include "chrome/test/base/scoped_testing_local_state.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/policy/core/common/cloud/mock_cloud_policy_client.h"
#include "components/policy/core/common/cloud/policy_invalidation_scope.h"
#include "components/policy/core/common/remote_commands/remote_command_job.h"
#include "components/policy/core/common/remote_commands/remote_commands_factory.h"
#include "components/policy/core/common/remote_commands/remote_commands_service.h"
#include "components/policy/proto/device_management_backend.pb.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace policy {
constexpr base::TimeDelta kCommandAge = base::Minutes(10);
constexpr base::TimeDelta kVeryoldCommandAge = base::Days(175);
class TestingRemoteCommandsService : public RemoteCommandsService {
public:
explicit TestingRemoteCommandsService(MockCloudPolicyClient* client)
: RemoteCommandsService(
/*factory=*/nullptr,
client,
/*store=*/nullptr,
PolicyInvalidationScope::kDevice) {}
TestingRemoteCommandsService(const TestingRemoteCommandsService&) = delete;
TestingRemoteCommandsService& operator=(const TestingRemoteCommandsService&) =
delete;
// RemoteCommandsService:
void SetOnCommandAckedCallback(base::OnceClosure callback) override {
on_command_acked_callback_ = std::move(callback);
}
base::OnceClosure OnCommandAckedCallback() {
return std::move(on_command_acked_callback_);
}
protected:
base::OnceClosure on_command_acked_callback_;
};
std::unique_ptr<RemoteCommandJob> CreateWipeUsersJob(
base::TimeDelta age_of_command,
RemoteCommandsService* service) {
// Create the job proto.
enterprise_management::RemoteCommand command_proto;
command_proto.set_type(
enterprise_management::RemoteCommand_Type_DEVICE_WIPE_USERS);
constexpr RemoteCommandJob::UniqueIDType kUniqueID = 123456789;
command_proto.set_command_id(kUniqueID);
command_proto.set_age_of_command(age_of_command.InMilliseconds());
// Create the job and validate.
auto job = std::make_unique<DeviceCommandWipeUsersJob>(service);
EXPECT_TRUE(job->Init(base::TimeTicks::Now(), command_proto,
enterprise_management::SignedData()));
EXPECT_EQ(kUniqueID, job->unique_id());
EXPECT_EQ(RemoteCommandJob::NOT_STARTED, job->status());
return job;
}
class DeviceCommandWipeUsersJobTest : public testing::Test {
public:
DeviceCommandWipeUsersJobTest(const DeviceCommandWipeUsersJobTest&) = delete;
DeviceCommandWipeUsersJobTest& operator=(
const DeviceCommandWipeUsersJobTest&) = delete;
protected:
DeviceCommandWipeUsersJobTest();
~DeviceCommandWipeUsersJobTest() override;
content::BrowserTaskEnvironment task_environment_;
ScopedTestingLocalState local_state_;
const std::unique_ptr<MockCloudPolicyClient> client_;
const std::unique_ptr<TestingRemoteCommandsService> service_;
};
DeviceCommandWipeUsersJobTest::DeviceCommandWipeUsersJobTest()
: local_state_(TestingBrowserProcess::GetGlobal()),
client_(std::make_unique<MockCloudPolicyClient>()),
service_(std::make_unique<TestingRemoteCommandsService>(client_.get())) {}
DeviceCommandWipeUsersJobTest::~DeviceCommandWipeUsersJobTest() {}
// Make sure that the command is still valid 175 days after being issued.
TEST_F(DeviceCommandWipeUsersJobTest, TestCommandLifetime) {
std::unique_ptr<RemoteCommandJob> job =
CreateWipeUsersJob(kVeryoldCommandAge, service_.get());
EXPECT_TRUE(
job->Run(base::Time::Now(), base::TimeTicks::Now(), base::OnceClosure()));
}
// Make sure that the command's succeeded_callback is being invoked.
TEST_F(DeviceCommandWipeUsersJobTest, TestCommandSucceededCallback) {
std::unique_ptr<RemoteCommandJob> job =
CreateWipeUsersJob(kCommandAge, service_.get());
base::test::TestFuture<void> job_finished_future;
EXPECT_TRUE(job->Run(base::Time::Now(), base::TimeTicks::Now(),
job_finished_future.GetCallback()));
// This call processes the CommitPendingWrite which persists the pref to disk,
// and runs the passed callback which is the succeeded_callback.
ASSERT_TRUE(job_finished_future.Wait()) << "Job did not finish.";
EXPECT_EQ(RemoteCommandJob::SUCCEEDED, job->status());
}
// Make sure that LogOut is being called after the commands gets ACK'd to the
// server.
TEST_F(DeviceCommandWipeUsersJobTest, TestLogOutCalled) {
std::unique_ptr<RemoteCommandJob> job =
CreateWipeUsersJob(kCommandAge, service_.get());
base::test::TestFuture<void> job_finished_future;
EXPECT_TRUE(job->Run(base::Time::Now(), base::TimeTicks::Now(),
job_finished_future.GetCallback()));
// At this point the job is run, and the succeeded_callback is waiting to be
// invoked.
ASSERT_TRUE(job_finished_future.Wait()) << "Job did not finish.";
// Now the succeeded_callback has been invoked, and normally it would cause an
// ACK to be sent to the server, and upon receiving a response back from the
// server LogOut would get called.
// Simulate a response from the server by posting a task and waiting for
// LogOut to be called.
base::test::TestFuture<void> log_out_callback_future;
ash::user_removal_manager::OverrideLogOutForTesting(
log_out_callback_future.GetCallback());
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, service_->OnCommandAckedCallback());
ASSERT_TRUE(log_out_callback_future.Wait())
<< "Log out callback was not invoked.";
}
} // namespace policy
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