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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_DBUS_HERMES_HERMES_CLIENT_TEST_BASE_H_
#define CHROMEOS_ASH_COMPONENTS_DBUS_HERMES_HERMES_CLIENT_TEST_BASE_H_
#include "base/test/task_environment.h"
#include "dbus/object_proxy.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace dbus {
class MockBus;
} // namespace dbus
namespace ash {
// Base class for Hermes client unittests.
class HermesClientTestBase : public testing::Test {
public:
// Pops the top pending MethodCallResult and passes the response and error
// messages to callback. This is useful in EXPECT_CALL mock invocation of
// dbus::Bus::CallMethodWithErrorResponse.
void OnMethodCalled(dbus::MethodCall* method_call,
int timeout_ms,
dbus::ObjectProxy::ResponseOrErrorCallback* callback);
protected:
HermesClientTestBase();
~HermesClientTestBase() override;
// Queues a pending result that will be passed to the callback in a
// subsequent call to OnMethodCalled.
void AddPendingMethodCallResult(
std::unique_ptr<dbus::Response> response,
std::unique_ptr<dbus::ErrorResponse> error_response);
// Returns mock dbus::Bus instance.
dbus::MockBus* GetMockBus();
// Initialized mock bus instance.
void InitMockBus();
private:
// Mock bus for simulating calls.
scoped_refptr<dbus::MockBus> bus_;
using MethodCallResult = std::pair<std::unique_ptr<dbus::Response>,
std::unique_ptr<dbus::ErrorResponse>>;
std::deque<MethodCallResult> pending_method_call_results_;
base::test::SingleThreadTaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_DBUS_HERMES_HERMES_CLIENT_TEST_BASE_H_
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