code: /* LanguageTool, a natural language style checker
   * Copyright (C) 2014 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.AnalyzedToken;
  import org.languagetool.AnalyzedTokenReadings;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.junit.Assert.assertThat;
  
  public class RuleFilterEvaluatorTest {
  
    private final RuleFilterEvaluator eval = new RuleFilterEvaluator(null);
  
    @Test
    public void testGetResolvedArguments() throws Exception {
      AnalyzedTokenReadings[] readingsList = {
              new AnalyzedTokenReadings(new AnalyzedToken("fake1", "pos", null), 0),
              new AnalyzedTokenReadings(new AnalyzedToken("fake2", "pos", null), 0)
      };
      Map<String,String> map = eval.getResolvedArguments("year:\\1 month:\\2", readingsList, -1, Arrays.asList(1, 1));
      assertThat(map.get("year"), is("fake1"));
      assertThat(map.get("month"), is("fake2"));
      assertThat(map.size(), is(2));
    }
  
    @Test
    public void testGetResolvedArgumentsWithColon() throws Exception {
      AnalyzedTokenReadings[] readingsList = {
              new AnalyzedTokenReadings(new AnalyzedToken("fake1", "pos", null), 0),
      };
      Map<String,String> map = eval.getResolvedArguments("regex:(?:foo[xyz])bar", readingsList, -1, Arrays.asList(1, 1));
      assertThat(map.get("regex"), is("(?:foo[xyz])bar"));
      assertThat(map.size(), is(1));
    }
  
    @Test(expected = RuntimeException.class)
    public void testDuplicateKey() throws Exception {
      AnalyzedTokenReadings[] readingsList = {
              new AnalyzedTokenReadings(new AnalyzedToken("fake1", "SENT_START", null), 0),
              new AnalyzedTokenReadings(new AnalyzedToken("fake1", "pos", null), 0),
              new AnalyzedTokenReadings(new AnalyzedToken("fake2", "pos", null), 0)
      };
      eval.getResolvedArguments("year:\\1 year:\\2", readingsList, -1, Arrays.asList(1, 2));
    }
  
    @Test
    public void testNoBackReference() throws Exception {
      Map<String, String> args = eval.getResolvedArguments("year:2 foo:bar", null, -1, Collections.emptyList());
      Map<String, String> expected = new HashMap<>();
      expected.put("year", "2");
      expected.put("foo", "bar");
      assertThat(args, is(expected));
    }
  
    @Test(expected = RuntimeException.class)
    public void testTooLargeBackRef() throws Exception {
      eval.getResolvedArguments("year:\\1 month:\\2 day:\\3 weekDay:\\4", null, -1, Collections.emptyList());
    }
  
  }
  