/*
 * Copyright (c)  2020 Oracle and/or its affiliates.
 *
 * 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.
 *
 */

package io.helidon.microprofile.messaging;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.jupiter.api.Assertions.fail;

public interface AsyncTestBean {

    default ExecutorService createExecutor() {
        return Executors.newSingleThreadExecutor();
    }

    default void awaitShutdown(ExecutorService executor) {
        executor.shutdown();
        var msg = "Executor of test bean " + this.getClass().getSimpleName() + " didn't shutdown in time.";
        try {
            assertThat(msg, executor.awaitTermination(500, TimeUnit.MILLISECONDS));
        } catch (InterruptedException e) {
            fail(msg, e);
        }
    }

    void tearDown();
}
