code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2017 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.rules.de;
  
  import org.junit.Ignore;
  import org.junit.Test;
  import org.languagetool.AnalyzedSentence;
  import org.languagetool.JLanguageTool;
  import org.languagetool.Languages;
  import org.languagetool.TestTools;
  import org.languagetool.rules.RuleMatch;
  
  import java.io.IOException;
  import java.util.Arrays;
  
  import static org.hamcrest.core.Is.is;
  import static org.junit.Assert.*;
  
  public class CompoundCoherencyRuleTest {
  
    private final CompoundCoherencyRule rule = new CompoundCoherencyRule(TestTools.getEnglishMessages());
    private final JLanguageTool lt = new JLanguageTool(Languages.getLanguageForShortCode("de"));
  
    @Test
    public void testRule() throws IOException {
      assertOkay("Ein Jugendfoto.", "Und ein Jugendfoto.");
      assertOkay("Ein Jugendfoto.", "Der Rahmen eines Jugendfotos.");
      assertOkay("Der Rahmen eines Jugendfotos.", "Ein Jugendfoto.");
      assertOkay("Der Zahn-Ärzte-Verband.", "Der Zahn-Ärzte-Verband.");
      assertOkay("Der Zahn-Ärzte-Verband.", "Des Zahn-Ärzte-Verbands.");
      assertOkay("Der Zahn-Ärzte-Verband.", "Des Zahn-Ärzte-Verbandes.");
      assertOkay("Es gibt E-Mail.", "Und es gibt E-Mails.");
      assertOkay("Es gibt E-Mails.", "Und es gibt E-Mail.");
      assertOkay("Ein Jugend-Foto.", "Der Rahmen eines Jugend-Fotos.");
      
      assertError("Ein Jugendfoto.", "Und ein Jugend-Foto.", 23, 34, "Jugendfoto");
      assertError("Ein Jugend-Foto.", "Und ein Jugendfoto.", 24, 34, "Jugend-Foto");
      
      assertError("Viele Zahn-Ärzte.", "Oder Zahnärzte.", 22, 31, null);
      assertError("Viele Zahn-Ärzte.", "Oder Zahnärzte.", 22, 31, null);
      assertError("Viele Zahn-Ärzte.", "Oder Zahnärzten.", 22, 32, null);
      
      assertError("Der Zahn-Ärzte-Verband.", "Der Zahn-Ärzteverband.", 27, 44, "Zahn-Ärzte-Verband");
      assertError("Der Zahn-Ärzte-Verband.", "Der Zahnärzte-Verband.", 27, 44, "Zahn-Ärzte-Verband");
      assertError("Der Zahn-Ärzte-Verband.", "Der Zahnärzteverband.", 27, 43, "Zahn-Ärzte-Verband");
      assertError("Der Zahn-Ärzteverband.", "Der Zahn-Ärzte-Verband.", 26, 44, "Zahn-Ärzteverband");
      assertError("Der Zahnärzte-Verband.", "Der Zahn-Ärzte-Verband.", 26, 44, "Zahnärzte-Verband");
      assertError("Der Zahnärzteverband.", "Der Zahn-Ärzte-Verband.", 25, 43, "Zahnärzteverband");
  
      assertError("Der Zahn-Ärzte-Verband.", "Des Zahn-Ärzteverbandes.", 27, 46, null);
      assertError("Der Zahn-Ärzte-Verband.", "Des Zahnärzte-Verbandes.", 27, 46, null);
      assertError("Der Zahn-Ärzte-Verband.", "Des Zahnärzteverbandes.", 27, 45, null);
    }
  
    @Test
    @Ignore("for debugging")
    public void testRuleInteractive() throws IOException {
      RuleMatch[] matches = getMatches("Der Zahn-Ärzte-Verband.", "Der Zahn-Ärzteverband.");
      assertThat("Got " + Arrays.toString(matches), matches.length, is(1));
    } 
  
    private void assertOkay(String s1, String s2) throws IOException {
      RuleMatch[] matches = getMatches(s1, s2);
      assertThat("Got " + Arrays.toString(matches), matches.length, is(0));
    }
  
    private void assertError(String s1, String s2, int fromPos, int toPos, String suggestion) throws IOException {
      RuleMatch[] matches = getMatches(s1, s2);
      assertThat("Got " + Arrays.toString(matches), matches.length, is(1));
      assertThat(matches[0].getFromPos(), is(fromPos));
      assertThat(matches[0].getToPos(), is(toPos));
      if (suggestion == null) {
        assertThat("Did not expect suggestion, but got: " + matches[0].getSuggestedReplacements(),
                   matches[0].getSuggestedReplacements().size(), is(0));
      } else {
        assertThat("Expected suggestion: " + suggestion + ", got: " + matches[0].getSuggestedReplacements(),
                   matches[0].getSuggestedReplacements(), is(Arrays.asList(suggestion)));
      }
    }
  
    private RuleMatch[] getMatches(String s1, String s2) throws IOException {
      AnalyzedSentence sent1 = lt.getAnalyzedSentence(s1);
      AnalyzedSentence sent2 = lt.getAnalyzedSentence(s2);
      return rule.match(Arrays.asList(sent1, sent2));
    }
  
  }