/*
    * 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.proxy2.interceptor;
  
  import static org.junit.Assert.assertEquals;
  
  import org.apache.commons.proxy2.Interceptor;
  import org.apache.commons.proxy2.Invocation;
  import org.apache.commons.proxy2.provider.ObjectProviderUtils;
  import org.apache.commons.proxy2.util.AbstractTestCase;
  import org.apache.commons.proxy2.util.Echo;
  import org.junit.Test;
  
  public class InterceptorUtilsTest extends AbstractTestCase
  {
      @Test
      public void testConstant() throws Throwable
      {
          Interceptor interceptor = InterceptorUtils.constant("Hello!");
          Invocation invocation = mockInvocation(Echo.class, "echoBack", String.class).withArguments("World!").build();
          assertEquals("Hello!", interceptor.intercept(invocation));
      }
  
      @Test
      public void testProvider() throws Throwable
      {
          Interceptor interceptor = InterceptorUtils.provider(ObjectProviderUtils.constant("Foo!"));
          Invocation invocation = mockInvocation(Echo.class, "echoBack", String.class).withArguments("World!").build();
          assertEquals("Foo!", interceptor.intercept(invocation));
      }
  
      @Test(expected = RuntimeException.class)
      public void testThrowingExceptionObject() throws Throwable
      {
          Interceptor interceptor = InterceptorUtils.throwing(new RuntimeException("Oops!"));
          Invocation invocation = mockInvocation(Echo.class, "echoBack", String.class).withArguments("World!").build();
          interceptor.intercept(invocation);
      }
  
      @Test(expected = RuntimeException.class)
      public void testThrowingProvidedException() throws Throwable
      {
          Interceptor interceptor = InterceptorUtils
                  .throwing(ObjectProviderUtils.constant(new RuntimeException("Oops!")));
          Invocation invocation = mockInvocation(Echo.class, "echoBack", String.class).withArguments("World!").build();
          interceptor.intercept(invocation);
      }
  
  }