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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/policy/server_backed_state_keys_broker.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/test/test_simple_task_runner.h"
#include "chromeos/dbus/fake_session_manager_client.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace policy {
class ServerBackedStateKeysBrokerTest : public testing::Test {
public:
ServerBackedStateKeysBrokerTest()
: task_runner_(new base::TestSimpleTaskRunner()),
broker_(&fake_session_manager_client_, task_runner_),
first_boot_(false),
updated_(false),
callback_invoked_(false) {
state_keys_.push_back("1");
state_keys_.push_back("2");
state_keys_.push_back("3");
fake_session_manager_client_.set_server_backed_state_keys(state_keys_);
}
virtual ~ServerBackedStateKeysBrokerTest() {}
void StateKeysUpdated() {
updated_ = true;
}
void ExpectGood() {
EXPECT_FALSE(broker_.pending());
EXPECT_TRUE(broker_.available());
EXPECT_EQ(state_keys_, broker_.state_keys());
EXPECT_EQ(state_keys_.front(), broker_.current_state_key());
}
void HandleStateKeysCallback(const std::vector<std::string>& state_keys,
bool first_boot) {
callback_invoked_ = true;
callback_state_keys_ = state_keys;
first_boot_ = first_boot;
}
protected:
base::MessageLoop loop_;
scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
chromeos::FakeSessionManagerClient fake_session_manager_client_;
ServerBackedStateKeysBroker broker_;
std::vector<std::string> state_keys_;
bool first_boot_;
bool updated_;
std::vector<std::string> callback_state_keys_;
bool callback_invoked_;
private:
DISALLOW_COPY_AND_ASSIGN(ServerBackedStateKeysBrokerTest);
};
TEST_F(ServerBackedStateKeysBrokerTest, Load) {
EXPECT_TRUE(broker_.pending());
EXPECT_FALSE(broker_.available());
EXPECT_TRUE(broker_.state_keys().empty());
EXPECT_TRUE(broker_.current_state_key().empty());
ServerBackedStateKeysBroker::Subscription subscription =
broker_.RegisterUpdateCallback(
base::Bind(&ServerBackedStateKeysBrokerTest::StateKeysUpdated,
base::Unretained(this)));
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(updated_);
ExpectGood();
}
TEST_F(ServerBackedStateKeysBrokerTest, Retry) {
fake_session_manager_client_.set_server_backed_state_keys(
std::vector<std::string>());
ServerBackedStateKeysBroker::Subscription subscription =
broker_.RegisterUpdateCallback(
base::Bind(&ServerBackedStateKeysBrokerTest::StateKeysUpdated,
base::Unretained(this)));
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(updated_);
EXPECT_FALSE(broker_.pending());
EXPECT_FALSE(broker_.available());
EXPECT_TRUE(broker_.state_keys().empty());
EXPECT_TRUE(broker_.current_state_key().empty());
fake_session_manager_client_.set_server_backed_state_keys(state_keys_);
updated_ = false;
ServerBackedStateKeysBroker::Subscription subscription2 =
broker_.RegisterUpdateCallback(base::Bind(&base::DoNothing));
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(updated_);
ExpectGood();
}
TEST_F(ServerBackedStateKeysBrokerTest, Refresh) {
ServerBackedStateKeysBroker::Subscription subscription =
broker_.RegisterUpdateCallback(
base::Bind(&ServerBackedStateKeysBrokerTest::StateKeysUpdated,
base::Unretained(this)));
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(updated_);
ExpectGood();
// Update callbacks get fired if the keys change.
state_keys_.erase(state_keys_.begin());
state_keys_.push_back("4");
fake_session_manager_client_.set_server_backed_state_keys(state_keys_);
updated_ = false;
task_runner_->RunPendingTasks();
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(updated_);
ExpectGood();
// No update callback if the keys are unchanged.
updated_ = false;
task_runner_->RunPendingTasks();
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(updated_);
ExpectGood();
}
TEST_F(ServerBackedStateKeysBrokerTest, Request) {
broker_.RequestStateKeys(
base::Bind(&ServerBackedStateKeysBrokerTest::HandleStateKeysCallback,
base::Unretained(this)));
base::RunLoop().RunUntilIdle();
ExpectGood();
EXPECT_TRUE(callback_invoked_);
EXPECT_FALSE(first_boot_);
EXPECT_EQ(state_keys_, callback_state_keys_);
}
TEST_F(ServerBackedStateKeysBrokerTest, RequestFailure) {
fake_session_manager_client_.set_server_backed_state_keys(
std::vector<std::string>());
broker_.RequestStateKeys(
base::Bind(&ServerBackedStateKeysBrokerTest::HandleStateKeysCallback,
base::Unretained(this)));
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(callback_invoked_);
EXPECT_TRUE(callback_state_keys_.empty());
}
} // namespace policy
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