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/*
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef API_TEST_TEST_DEPENDENCY_FACTORY_H_
#define API_TEST_TEST_DEPENDENCY_FACTORY_H_
#include <memory>
#include "api/test/video_quality_test_fixture.h"
namespace webrtc {
// Override this class if to inject custom components into WebRTC tests.
// Not all WebRTC tests get their components from here, so you need to make
// sure the tests you want actually use this class.
//
// This class is not thread safe and you need to make call calls from the same
// (test main) thread.
class TestDependencyFactory {
public:
virtual ~TestDependencyFactory() = default;
// The singleton MUST be stateless since tests execute in any order. It must
// be set before tests start executing.
static const TestDependencyFactory& GetInstance();
static void SetInstance(std::unique_ptr<TestDependencyFactory> instance);
// Returns the component a test should use. Returning nullptr means that the
// test is free to use whatever defaults it wants. The injection components
// themselves can be mutable, but we need to make new ones for every test that
// executes so state doesn't spread between tests.
virtual std::unique_ptr<VideoQualityTestFixtureInterface::InjectionComponents>
CreateComponents() const;
private:
static std::unique_ptr<TestDependencyFactory> instance_;
};
} // namespace webrtc
#endif // API_TEST_TEST_DEPENDENCY_FACTORY_H_