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//
// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef UPDATE_ENGINE_CROS_DBUS_TEST_UTILS_H_
#define UPDATE_ENGINE_CROS_DBUS_TEST_UTILS_H_
#include <memory>
#include <set>
#include <string>
#include <utility>
#include <base/bind.h>
#include <brillo/message_loops/message_loop.h>
#include <gmock/gmock.h>
namespace chromeos_update_engine {
namespace dbus_test_utils {
#define MOCK_SIGNAL_HANDLER_EXPECT_SIGNAL_HANDLER( \
mock_signal_handler, mock_proxy, signal) \
do { \
EXPECT_CALL((mock_proxy), \
DoRegister##signal##SignalHandler(::testing::_, ::testing::_)) \
.WillOnce(::chromeos_update_engine::dbus_test_utils::GrabCallbacks( \
&(mock_signal_handler))); \
} while (false)
template <typename T>
class MockSignalHandler {
public:
MockSignalHandler() = default;
~MockSignalHandler() {
if (callback_connected_task_ != brillo::MessageLoop::kTaskIdNull)
brillo::MessageLoop::current()->CancelTask(callback_connected_task_);
}
// Returns whether the signal handler is registered.
bool IsHandlerRegistered() const { return signal_callback_ != nullptr; }
const base::Callback<T>& signal_callback() { return *signal_callback_.get(); }
void GrabCallbacks(
const base::Callback<T>& signal_callback,
dbus::ObjectProxy::OnConnectedCallback* on_connected_callback) {
signal_callback_.reset(new base::Callback<T>(signal_callback));
on_connected_callback_.reset(new dbus::ObjectProxy::OnConnectedCallback(
std::move(*on_connected_callback)));
// Notify from the main loop that the callback was connected.
callback_connected_task_ = brillo::MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&MockSignalHandler<T>::OnCallbackConnected,
base::Unretained(this)));
}
private:
void OnCallbackConnected() {
callback_connected_task_ = brillo::MessageLoop::kTaskIdNull;
std::move(*on_connected_callback_).Run("", "", true);
}
brillo::MessageLoop::TaskId callback_connected_task_{
brillo::MessageLoop::kTaskIdNull};
std::unique_ptr<base::Callback<T>> signal_callback_;
std::unique_ptr<dbus::ObjectProxy::OnConnectedCallback>
on_connected_callback_;
};
// Defines the action that will call MockSignalHandler<T>::GrabCallbacks for the
// right type.
ACTION_P(GrabCallbacks, mock_signal_handler) {
mock_signal_handler->GrabCallbacks(arg0, arg1);
}
} // namespace dbus_test_utils
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_CROS_DBUS_TEST_UTILS_H_