content: /**
   * Copyright 2009 Alexander Kuznetsov
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.lucene.morphology.russian;
  
  import org.apache.lucene.morphology.SuffixToLongException;
  import org.apache.lucene.morphology.WrongCharaterException;
  import org.hamcrest.MatcherAssert;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.nio.charset.StandardCharsets;
  
  import static org.hamcrest.core.IsEqual.equalTo;
  
  public class RussianLetterDecoderEncoderTest {
      private RussianLetterDecoderEncoder decoderEncoder;
  
      @Before
      public void setUp() {
          decoderEncoder = new RussianLetterDecoderEncoder();
      }
  
  
      @Test
      public void testShouldPreserverStringComporision() throws IOException {
          InputStream stream = this.getClass().getResourceAsStream("/org/apache/lucene/morphology/russian/decoder-test-monotonic.txt");
          BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8));
          String s = bufferedReader.readLine();
          while (s != null) {
              String[] qa = s.trim().split(" ");
              if (qa[0].length() <= RussianLetterDecoderEncoder.WORD_PART_LENGHT && qa[1].length() <= RussianLetterDecoderEncoder.WORD_PART_LENGHT) {
                  MatcherAssert.assertThat(decoderEncoder.encode(qa[1]) > decoderEncoder.encode(qa[0]), equalTo(true));
              }
              s = bufferedReader.readLine();
          }
      }
  
  
      @Test
      public void testShouldCorrectDecodeEncode() throws IOException {
          InputStream stream = this.getClass().getResourceAsStream("/org/apache/lucene/morphology/russian/decoder-test-data.txt");
          BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8));
          String s = bufferedReader.readLine();
          while (s != null) {
              String[] qa = s.trim().split(" ");
              if (qa[0].length() <= RussianLetterDecoderEncoder.WORD_PART_LENGHT) {
                  Integer encodedSuffix = decoderEncoder.encode(qa[0]);
                  MatcherAssert.assertThat(decoderEncoder.decode(encodedSuffix), equalTo(qa[1]));
              }
              s = bufferedReader.readLine();
          }
      }
  
      @Test
      public void testShouldCorrectDecodeEncodeStringToArray() throws IOException {
          InputStream stream = this.getClass().getResourceAsStream("/org/apache/lucene/morphology/russian/decoder-test-data-for-array.txt");
          BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8));
          String s = bufferedReader.readLine();
          while (s != null) {
              String[] qa = s.trim().split(" ");
              int[] ecodedSuffix = decoderEncoder.encodeToArray(qa[0]);
              MatcherAssert.assertThat(decoderEncoder.decodeArray(ecodedSuffix), equalTo(qa[1]));
              s = bufferedReader.readLine();
          }
      }
  
      @Test(expected = SuffixToLongException.class)
      public void shouldThrownExeptionIfSuffixToLong() {
          decoderEncoder.encode("1234567890123");
      }
  
      @Test(expected = WrongCharaterException.class)
      public void shouldThrownExceptionIfSuffixContainWrongCharater() {
          decoderEncoder.encode("1");
      }
  }
  