foundations/foundation-common/src/test/java/org/apache/servicecomb/foundation/common/utils/AsyncUtilsTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.
 */

package org.apache.servicecomb.foundation.common.utils;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.catchThrowable;

import java.util.concurrent.CompletableFuture;

import org.apache.servicecomb.foundation.test.scaffolding.exception.RuntimeExceptionWithoutStackTrace;
import org.junit.jupiter.api.Test;

class AsyncUtilsTest {
  @Test
  void should_convert_success_async_to_sync() {
    CompletableFuture<String> future = CompletableFuture.completedFuture("value");

    assertThat(AsyncUtils.toSync(future)).isEqualTo("value");
  }

  @Test
  void should_convert_fail_async_to_sync() {
    RuntimeExceptionWithoutStackTrace throwable = new RuntimeExceptionWithoutStackTrace();
    CompletableFuture<String> future = AsyncUtils.completeExceptionally(throwable);

    Throwable catchThrowable = catchThrowable(() -> AsyncUtils.toSync(future));
    assertThat(catchThrowable).isSameAs(throwable);
  }
}