/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you 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.
 */
/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.gradle.test;

import com.carrotsearch.randomizedtesting.JUnit4MethodProvider;
import com.carrotsearch.randomizedtesting.RandomizedRunner;
import com.carrotsearch.randomizedtesting.annotations.TestMethodProviders;
import com.carrotsearch.randomizedtesting.annotations.ThreadLeakLingering;
import junit.framework.AssertionFailedError;
import org.junit.Assert;
import org.junit.runner.RunWith;

@RunWith(RandomizedRunner.class)
@TestMethodProviders({ JUnit4MethodProvider.class, JUnit3MethodProvider.class })
@ThreadLeakLingering(linger = 5000) // wait for "Connection worker" to die
public abstract class BaseTestCase extends Assert {

    // add expectThrows from junit 5
    @FunctionalInterface
    public interface ThrowingRunnable {
        void run() throws Throwable;
    }

    public static <T extends Throwable> T expectThrows(Class<T> expectedType, ThrowingRunnable runnable) {
        try {
            runnable.run();
        } catch (Throwable e) {
            if (expectedType.isInstance(e)) {
                return expectedType.cast(e);
            }
            AssertionFailedError assertion = new AssertionFailedError(
                "Unexpected exception type, expected " + expectedType.getSimpleName() + " but got " + e
            );
            assertion.initCause(e);
            throw assertion;
        }
        throw new AssertionFailedError("Expected exception " + expectedType.getSimpleName() + " but no exception was thrown");
    }
}