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// Copyright 2022 The gRPC Authors
//
// 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.
#include <grpc/support/port_platform.h>
#include <memory>
#include "gtest/gtest.h"
#include <grpc/event_engine/event_engine.h>
#include <grpc/grpc.h>
#include "src/core/lib/event_engine/default_event_engine.h"
#include "test/core/event_engine/util/aborting_event_engine.h"
#include "test/core/util/test_config.h"
namespace {
using ::grpc_event_engine::experimental::AbortingEventEngine;
using ::grpc_event_engine::experimental::EventEngine;
using ::grpc_event_engine::experimental::EventEngineFactoryReset;
using ::grpc_event_engine::experimental::GetDefaultEventEngine;
using ::grpc_event_engine::experimental::SetEventEngineFactory;
class EventEngineFactoryTest : public testing::Test {
public:
EventEngineFactoryTest() = default;
~EventEngineFactoryTest() override { EventEngineFactoryReset(); }
};
TEST_F(EventEngineFactoryTest, CustomFactoryIsUsed) {
int counter{0};
SetEventEngineFactory([&counter] {
++counter;
return std::make_unique<AbortingEventEngine>();
});
auto ee1 = GetDefaultEventEngine();
ASSERT_EQ(counter, 1);
auto ee2 = GetDefaultEventEngine();
ASSERT_EQ(counter, 1);
ASSERT_EQ(ee1, ee2);
}
TEST_F(EventEngineFactoryTest, FactoryResetWorks) {
int counter{0};
SetEventEngineFactory([&counter]() -> std::unique_ptr<EventEngine> {
// this factory should only be used twice;
EXPECT_LE(++counter, 2);
return std::make_unique<AbortingEventEngine>();
});
auto custom_ee = GetDefaultEventEngine();
ASSERT_EQ(counter, 1);
auto same_ee = GetDefaultEventEngine();
ASSERT_EQ(custom_ee, same_ee);
ASSERT_EQ(counter, 1);
EventEngineFactoryReset();
auto default_ee = GetDefaultEventEngine();
ASSERT_NE(custom_ee, default_ee);
}
} // namespace
int main(int argc, char** argv) {
testing::InitGoogleTest(&argc, argv);
grpc::testing::TestEnvironment env(&argc, argv);
grpc_init();
auto result = RUN_ALL_TESTS();
grpc_shutdown();
return result;
}
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