code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2007 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.synthesis;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.IOException;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  
  /**
   * @author Ionuț Păduraru
   */
  public class ManualSynthesizerTest {
  
    private ManualSynthesizer synthesizer;
  
    @Before
    public void setUp() throws Exception {
      String data = 
        "# some test data\n" +
        "InflectedForm11\tLemma1\tPOS1\n" +
        "InflectedForm121\tLemma1\tPOS2\n" +
        "InflectedForm122\tLemma1\tPOS2\n" +
        "InflectedForm2\tLemma2\tPOS1\n";
      synthesizer = new ManualSynthesizer(new ByteArrayInputStream(data.getBytes("UTF-8")));
    }
  
    @Test
    public void testLookupNonExisting() throws IOException {
      assertNull(synthesizer.lookup("", ""));
      assertNull(synthesizer.lookup("", null));
      assertNull(synthesizer.lookup(null, ""));
      assertNull(synthesizer.lookup(null, null));
      assertNull(synthesizer.lookup("NONE", "UNKNOWN"));
    }
  
    /**
     * Lookup values that do not exist in the dictionary but they do exist in different form (like other POS).
     */
    @Test
    public void testInvalidLookup() throws IOException {
      assertNull(synthesizer.lookup("NONE", "POS1"));
      assertNull(synthesizer.lookup("Lemma1", "UNKNOWN"));
      assertNull(synthesizer.lookup("Lemma1", "POS.")); // no reg exp
      assertNull(synthesizer.lookup("Lemma2", "POS2"));
    }
  
    @Test
    public void testValidLookup() throws IOException {
      assertEquals("[InflectedForm11]", String.valueOf(synthesizer.lookup("Lemma1", "POS1")));
      assertEquals("[InflectedForm121, InflectedForm122]", String.valueOf(synthesizer.lookup("Lemma1", "POS2")));
      assertEquals("[InflectedForm2]", String.valueOf(synthesizer.lookup("Lemma2", "POS1")));
    }
  
    @Test
    public void testCaseSensitive() throws IOException {
      // lookup is case sensitive:
      assertNull(synthesizer.lookup("LEmma1", "POS1"));
    }
    
  }
  