/*
    * 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.mail2.jakarta.resolver;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.IOException;
  import java.net.URL;
  
  import org.apache.commons.mail2.jakarta.DataSourceResolver;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * JUnit test case for DateSourceResolver.
   */
  public class DataSourceCompositeResolverTest extends AbstractDataSourceResolverTest {
  
      private DataSourceResolver[] dataSourceResolvers;
      private DataSourceResolver[] dataSourceResolversMissing;
  
      @BeforeEach
      public void setUp() throws Exception {
          final DataSourceUrlResolver urlResolver = new DataSourceUrlResolver(new URL("https://www.apache.org"), false);
          final DataSourceUrlResolver urlResolverMissing = new DataSourceUrlResolver(new URL("https://does.not.exist"), false);
          final DataSourceClassPathResolver classPathResolver = new DataSourceClassPathResolver("/images", false);
          dataSourceResolvers = new DataSourceResolver[] { urlResolver, classPathResolver };
          dataSourceResolversMissing = new DataSourceResolver[] { urlResolverMissing };
      }
  
      @Test
      public void testExternalModification() throws Exception {
          final DataSourceCompositeResolver dataSourceResolver = new DataSourceCompositeResolver(dataSourceResolvers, true);
  
          final DataSourceResolver[] arr = dataSourceResolver.getDataSourceResolvers();
  
          // modify an element in the returned array
          arr[0] = null;
  
          final DataSourceResolver[] arr2 = dataSourceResolver.getDataSourceResolvers();
  
          // assert that the external modification is not propagated to the internal array
          assertNotNull(arr2[0]);
      }
  
      @Test
      public void testResolvingFilesLenient() throws Exception {
          final DataSourceResolver dataSourceResolver = new DataSourceCompositeResolver(dataSourceResolvers, true);
  
          // resolve using HTTP
          assertTrue(toByteArray(dataSourceResolver.resolve("/images/feather-small.gif")).length > 0);
  
          // resolve using class path
          assertTrue(toByteArray(dataSourceResolver.resolve("/contentTypeTest.gif")).length > 0);
      }
  
      @Test
      public void testResolvingFilesNonLenient() {
          final DataSourceResolver dataSourceResolver = new DataSourceCompositeResolver(dataSourceResolversMissing, false);
  
          assertThrows(IOException.class, () -> dataSourceResolver.resolve("./image/does-not-exist.gif"));
      }
  
  }