/*
    * This file is part of dependency-check-core.
    *
    * Licensed 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.
   *
   * Copyright (c) 2012 Jeremy Long. All Rights Reserved.
   */
  package org.owasp.dependencycheck.utils;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.net.URL;
  
  import org.apache.hc.client5.http.impl.classic.AbstractHttpClientResponseHandler;
  import org.apache.hc.core5.http.HttpEntity;
  import org.junit.Test;
  
  import static java.nio.charset.StandardCharsets.UTF_8;
  import static org.junit.Assert.assertTrue;
  import org.junit.Before;
  
  /**
   *
   * @author Jeremy Long
   */
  public class DownloaderIT extends BaseTest {
  
      /**
       * Initialize the {@link Settings}.
       */
      @Before
      @Override
      public void setUp() {
          super.setUp();
      }
  
      /**
       * Test of fetchFile method, of class Downloader.
       *
       * @throws Exception thrown when an exception occurs.
       */
      @Test
      public void testFetchFile() throws Exception {
          final String str = getSettings().getString(Settings.KEYS.ENGINE_VERSION_CHECK_URL, "https://jeremylong.github.io/DependencyCheck/current.txt");
          URL url = new URL(str);
          File outputPath = new File("target/current.txt");
          Downloader.getInstance().configure(getSettings());
          Downloader.getInstance().fetchFile(url, outputPath);
          assertTrue(outputPath.isFile());
      }
  
      /**
       * Test of fetchAndHandleContent method.
       *
       * @throws Exception thrown when an exception occurs.
       */
      @Test
      public void testfetchAndHandleContent() throws Exception {
          URL url = new URL(getSettings().getString(Settings.KEYS.ENGINE_VERSION_CHECK_URL));
          AbstractHttpClientResponseHandler<String> versionHandler = new AbstractHttpClientResponseHandler<String>() {
              @Override
              public String handleEntity(HttpEntity entity) throws IOException {
                  try (InputStream in = entity.getContent()) {
                      byte[] read = new byte[90];
                      in.read(read);
                      String text = new String(read, UTF_8);
                      assertTrue(text.matches("^\\d+\\.\\d+\\.\\d+.*"));
                  }
                  return "";
              }
          };
          Downloader.getInstance().fetchAndHandle(url, versionHandler);
      }
  
  }