code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2013 Daniel Naber (http://www.danielnaber.de)
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.commandline;
  
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  import org.languagetool.JLanguageTool;
  import org.languagetool.TestTools;
  import org.languagetool.rules.WordRepeatRule;
  import org.xml.sax.SAXException;
  
  import javax.xml.parsers.ParserConfigurationException;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.PrintStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  public class CommandLineToolsTest {
  
    private ByteArrayOutputStream out;
    private PrintStream stdout;
    private PrintStream stderr;
  
    @Before
    public void setUp() {
      this.stdout = System.out;
      this.stderr = System.err;
      this.out = new ByteArrayOutputStream();
      ByteArrayOutputStream err = new ByteArrayOutputStream();
      System.setOut(new PrintStream(this.out));
      System.setErr(new PrintStream(err));
    }
  
    @After
    public void tearDown() {
      System.setOut(this.stdout);
      System.setErr(this.stderr);
    }
  
    @Test
    public void testCheck() throws IOException {
      JLanguageTool tool = new JLanguageTool(TestTools.getDemoLanguage());
  
      int matches = CommandLineTools.checkText("Foo.", tool);
      String output = new String(this.out.toByteArray());
      assertEquals(0, output.indexOf("Time:"));
      assertEquals(0, matches);
  
      tool.disableRule("test_unification_with_negation");
      tool.addRule(new WordRepeatRule(TestTools.getEnglishMessages(), TestTools.getDemoLanguage()));
      matches = CommandLineTools.checkText("To jest problem problem.", tool);
      output = new String(this.out.toByteArray());
      assertTrue(output.contains("Rule ID: WORD_REPEAT_RULE"));
      assertEquals(1, matches);
    }
  
  }
  