/*
    * 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.javax;
  
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.io.ByteArrayInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  
  import org.apache.commons.mail2.javax.activation.InputStreamDataSource;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link InputStreamDataSource}.
   */
  public class InputStreamDataSourceTest {
  
      @Test
      public void testGetContentType() {
          assertEquals("text/plain", new InputStreamDataSource(null, "text/plain").getContentType());
      }
  
      @Test
      public void testGetInputStream() throws IOException {
          final byte[] testData = "Test data for InputStream".getBytes();
          final InputStream testInputStream = new ByteArrayInputStream(testData);
          final InputStreamDataSource dataSource = new InputStreamDataSource(testInputStream, "application/octet-stream");
          try (InputStream inputStream = dataSource.getInputStream()) {
              final byte[] readData = new byte[testData.length];
              final int bytesRead = inputStream.read(readData);
              assertEquals(testData.length, bytesRead);
              assertArrayEquals(testData, readData);
          }
      }
  
      @Test
      public void testGetName() {
          assertEquals("document.pdf", new InputStreamDataSource(null, "application/pdf", "document.pdf").getName());
      }
  
      @Test
      public void testGetOutputStream() {
          final InputStreamDataSource dataSource = new InputStreamDataSource(null, "text/html");
          assertThrows(UnsupportedOperationException.class, dataSource::getOutputStream);
      }
  
      @Test
      public void testSetName() {
          assertEquals("image.jpg", new InputStreamDataSource(null, "image/jpeg", "image.jpg").getName());
      }
  
  }