code: /* LanguageTool, a natural language style checker
   * Copyright (C) 2020 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.patterns;
  
  import org.junit.Test;
  import org.languagetool.AnalyzedSentence;
  import org.languagetool.AnalyzedToken;
  import org.languagetool.AnalyzedTokenReadings;
  import org.languagetool.FakeLanguage;
  
  import java.util.Arrays;
  import java.util.Collections;
  
  import static org.junit.Assert.assertEquals;
  import static org.languagetool.rules.patterns.PatternRuleBuilderHelper.*;
  import static org.languagetool.rules.patterns.RuleSet.textLemmaHinted;
  
  public class RuleSetTest {
    private static final AnalyzedSentence sampleSentence = new AnalyzedSentence(new AnalyzedTokenReadings[]{new AnalyzedTokenReadings(
      new AnalyzedToken("token", "pos", "lemma")
    )});
  
    @Test
    public void textHintsAreHonored() {
      PatternRule suitable = ruleOf(csToken("token"));
      assertRulesForSentence(RuleSet.textHinted(Collections.singletonList(suitable)), suitable);
  
      suitable = ruleOf(token("Token"));
      assertRulesForSentence(RuleSet.textHinted(Collections.singletonList(suitable)), suitable);
  
      suitable = ruleOf(tokenRegex("token|another"));
      assertRulesForSentence(RuleSet.textHinted(Collections.singletonList(suitable)), suitable);
  
      assertRulesForSentence(RuleSet.textHinted(Collections.singletonList(ruleOf(csToken("unsuitable")))));
    }
  
    @Test
    public void lemmaHintsAreHonored() {
      PatternRule suitable = ruleOf(new PatternTokenBuilder().token("lemma").matchInflectedForms().build());
      assertRulesForSentence(textLemmaHinted(Collections.singletonList(suitable)), suitable);
  
      suitable = ruleOf(new PatternTokenBuilder().token("Lemma").matchInflectedForms().build());
      assertRulesForSentence(textLemmaHinted(Collections.singletonList(suitable)), suitable);
  
      suitable = ruleOf(new PatternTokenBuilder().csTokenRegex("lemm[ab]").matchInflectedForms().build());
      assertRulesForSentence(textLemmaHinted(Collections.singletonList(suitable)), suitable);
  
      PatternToken unsuitable = new PatternTokenBuilder().csToken("unsuitable").matchInflectedForms().build();
      assertRulesForSentence(textLemmaHinted(Collections.singletonList(ruleOf(unsuitable))));
  
      PatternRule unrelated = ruleOf(pos("somePos"));
      assertRulesForSentence(textLemmaHinted(Arrays.asList(ruleOf(unsuitable), unrelated)), unrelated);
    }
  
    private static void assertRulesForSentence(RuleSet ruleSet, PatternRule... expected) {
      assertEquals(Arrays.asList(expected), ruleSet.rulesForSentence(sampleSentence));
    }
  
    private static PatternRule ruleOf(PatternToken token) {
      return new PatternRule("", new FakeLanguage(), Collections.singletonList(token), "", "", "");
    }
  }
  