/*
    * 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.commons.lang3.concurrent;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import org.apache.commons.lang3.exception.AbstractExceptionTest;
  import org.junit.jupiter.api.Test;
  
  
  /**
   * JUnit tests for {@link CircuitBreakingException}.
   */
  public class CircuitBreakingExceptionTest extends AbstractExceptionTest {
  
      @Test
      public void testThrowingEmptyException() {
          assertThrows(CircuitBreakingException.class, () -> {
              throw new CircuitBreakingException();
          });
      }
  
      @Test
      public void testThrowingExceptionWithCause() {
          assertThrows(CircuitBreakingException.class, () -> {
              throw new CircuitBreakingException(generateCause());
          });
      }
  
      @Test
      public void testThrowingExceptionWithMessage() {
          assertThrows(CircuitBreakingException.class, () -> {
              throw new CircuitBreakingException(EXCEPTION_MESSAGE);
          });
      }
  
      @Test
      public void testThrowingInformativeException() {
          assertThrows(CircuitBreakingException.class, () -> {
              throw new CircuitBreakingException(EXCEPTION_MESSAGE, generateCause());
          });
      }
  
      @Test
      public void testWithCauseAndMessage() {
          final Exception exception = new CircuitBreakingException(EXCEPTION_MESSAGE, generateCause());
          assertNotNull(exception);
          assertEquals(EXCEPTION_MESSAGE, exception.getMessage(), WRONG_EXCEPTION_MESSAGE);
  
          final Throwable cause = exception.getCause();
          assertNotNull(cause);
          assertEquals(CAUSE_MESSAGE, cause.getMessage(), WRONG_CAUSE_MESSAGE);
      }
  
      @Test
      public void testWithoutCause() {
          final Exception exception = new CircuitBreakingException(EXCEPTION_MESSAGE);
          assertNotNull(exception);
          assertEquals(EXCEPTION_MESSAGE, exception.getMessage(), WRONG_EXCEPTION_MESSAGE);
  
          final Throwable cause = exception.getCause();
          assertNull(cause);
      }
  
      @Test
      public void testWithoutMessage() {
          final Exception exception = new CircuitBreakingException(generateCause());
          assertNotNull(exception);
          assertNotNull(exception.getMessage());
  
          final Throwable cause = exception.getCause();
          assertNotNull(cause);
          assertEquals(CAUSE_MESSAGE, cause.getMessage(), WRONG_CAUSE_MESSAGE);
      }
  }