org.apache.commons.io.test/code/src/org/apache/commons/io/test/IOTest.java

/***********************************************************************************************************************
 * Copyright (c) 2008 empolis GmbH and brox IT Solutions GmbH. All rights reserved. This program and the accompanying
 * materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors: Ivan Churkin (brox IT Solutions GmbH) - initial creator
 **********************************************************************************************************************/
package org.apache.commons.io.test;

import java.io.File;
import java.io.InputStream;
import java.net.URL;
import java.util.List;

import junit.framework.TestCase;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;

/**
 * Simple test which indicates that commons-io API is accessible.
 */
public class IOTest extends TestCase {

  /**
   * A test file name.
   */
  private static final String FILE_NAME = "io-test.txt";

  /**
   * A test file content.
   */
  private static final String FILE_CONTENT = "io-test content";

  /**
   * A test API access for IOUtils class.
   * 
   * @throws Exception
   *           if any error has occured
   */
  public void testIOUtils() throws Exception {
    final InputStream in = IOTest.class.getResourceAsStream(FILE_NAME);

    assertNotNull("File " + FILE_NAME + " not found.", in);

    try {
      final String result = IOUtils.toString(in);
      assertNotNull("Test file content is null.", result);
      assertEquals("Incorrect test file content.", FILE_CONTENT, result);
    } finally {
      IOUtils.closeQuietly(in);
    }
  }

  /**
   * A test API access for FileUtils class.
   * 
   * @throws Exception
   *           if any error has occured
   */
  @SuppressWarnings("unchecked")
  public void testFileUtils() throws Exception {
    final URL url = IOTest.class.getResource(FILE_NAME);

    assertNotNull("File " + FILE_NAME + " not found.", url);

    final URL nativeUrl = org.eclipse.core.runtime.FileLocator.resolve(url);

    final File file = new File(nativeUrl.getFile());
    final List list = FileUtils.readLines(file);
    assertNotNull(list);
    assertEquals(1, list.size());
  }
}