code: /**
   * Copyright 2012 Lezan Hawizy, David M. Jessop, Daniel Lowe and Peter Murray-Rust
   *
   * 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 uk.ac.cam.ch.wwmm.chemicaltagger;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  
  import org.junit.Test;
  
  /************************************
   * Tests the OpenNLP Class.
   * @author dmj30
   *
   ***********************************/
  public class OpenNLPTaggerTest {
  
  	@Test
  	public void setUpOk() {
  		OpenNLPTagger tagger = OpenNLPTagger.getInstance();
  		assertNotNull(tagger.getTagger());
  		
  	}
  	
  	
  	@Test
  	public void tagText() {
  		String text = "the quick brown fox climbs over the lazy dog";
  		//jumps and leaps are tagged as NNS(!)
  		String [] tags = OpenNLPTagger.getInstance().getTagger().tag(text.split("\\s"));
  		assertEquals(9, tags.length);
  //		DT JJ JJ NN VBZ IN DT JJ NN
  		String [] expectedTags = new String[] {"DT", "JJ", "JJ", "NN", "VBZ", "IN", "DT", "JJ", "NN"};
  		for (int i = 0; i < tags.length; i++) {
  			assertEquals(expectedTags[i], tags[i]);
  		}
  	}
  	
  	
  	@Test
  	public void tagText1() {
  		String text = "the cat sat on the mat";
  		String [] tags = OpenNLPTagger.getInstance().getTagger().tag(text.split("\\s"));
  		assertEquals(6, tags.length);
  //		DT NN VBD IN DT NN
  		String [] expectedTags = new String[] {"DT", "NN", "VBD", "IN", "DT", "NN"};
  		for (int i = 0; i < tags.length; i++) {
  			assertEquals(expectedTags[i], tags[i]);
  		}
  	}
  	
  	@Test
  	public void tagText2() {
  		String text = "time flies like an arrow";
  		String [] tags = OpenNLPTagger.getInstance().getTagger().tag(text.split("\\s"));
  		assertEquals(5, tags.length);
  		String [] expectedTags = new String[] {"NN", "VBZ", "IN", "DT",	"NN"};	
  		for (int i = 0; i < tags.length; i++) {
  			assertEquals(expectedTags[i], tags[i]);
  		}
  	}
  	
  	@Test
  	public void tagText3() {
  		String text = "fruit flies love a banana";
  		String [] tags = OpenNLPTagger.getInstance().getTagger().tag(text.split("\\s"));
  		assertEquals(5, tags.length);
  		String [] expectedTags = new String[] {"NN", "NNS", "VBP", "DT",	"NN"};	
  		for (int i = 0; i < tags.length; i++) {
  			assertEquals(expectedTags[i], tags[i]);
  		}
  	}
  	
  
  }
  