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.de;
  
  import org.junit.Test;
  import org.languagetool.rules.FakeRule;
  import org.languagetool.rules.RuleMatch;
  
  import java.util.Calendar;
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertThat;
  
  public class DateCheckFilterTest {
  
    private final RuleMatch match = new RuleMatch(new FakeRule(), null, 0, 10, "message");
    private final DateCheckFilter filter = new DateCheckFilter();
  
    @Test
    public void testAccept() {
      assertNull(filter.acceptRuleMatch(match, makeMap("2014", "8" ,"23", "Samstag"), -1, null));  // correct date
      assertNotNull(filter.acceptRuleMatch(match, makeMap("2014", "8" ,"23", "Sonntag"), -1, null));  // incorrect date
    }
  
    @Test(expected = IllegalArgumentException.class)
    public void testAcceptIncompleteArgs() {
      Map<String,String> map = makeMap("2014", "8" ,"23", "Samstag");
      map.remove("weekDay");
      filter.acceptRuleMatch(match, map, -1, null);
    }
  
    @Test
    public void testGetDayOfWeek1() {
      assertThat(filter.getDayOfWeek("So"), is(1));
      assertThat(filter.getDayOfWeek("Mo"), is(2));
      assertThat(filter.getDayOfWeek("mo"), is(2));
      assertThat(filter.getDayOfWeek("Mon."), is(2));
      assertThat(filter.getDayOfWeek("Montag"), is(2));
      assertThat(filter.getDayOfWeek("montag"), is(2));
      assertThat(filter.getDayOfWeek("Di"), is(3));
      assertThat(filter.getDayOfWeek("Fr"), is(6));
      assertThat(filter.getDayOfWeek("Samstag"), is(7));
      assertThat(filter.getDayOfWeek("Sonnabend"), is(7));
    }
  
    @Test
    public void testGetDayOfWeek2() {
      Calendar calendar = Calendar.getInstance();
      calendar.set(2014, 8-1, 29);
      assertThat(filter.getDayOfWeek(calendar), is("Freitag"));
      calendar.set(2014, 8-1, 30);
      assertThat(filter.getDayOfWeek(calendar), is("Samstag"));
    }
  
    @Test
    public void testGetMonth() {
      assertThat(filter.getMonth("Januar"), is(1));
      assertThat(filter.getMonth("Jan"), is(1));
      assertThat(filter.getMonth("Jan."), is(1));
      assertThat(filter.getMonth("Dezember"), is(12));
      assertThat(filter.getMonth("Dez"), is(12));
      assertThat(filter.getMonth("dez"), is(12));
      assertThat(filter.getMonth("DEZEMBER"), is(12));
      assertThat(filter.getMonth("dezember"), is(12));
    }
  
    private Map<String, String> makeMap(String year, String month, String dayOfMonth, String weekDay) {
      Map<String,String> map = new HashMap<>();
      map.put("year", year);
      map.put("month", month);
      map.put("day", dayOfMonth);
      map.put("weekDay", weekDay);
      return map;
    }
  }
  