Uso di jMock

new_gist_file

package UnitTest.JE.AdvertSearchStats.Words.Iterators;

import static org.junit.Assert.*;

import org.jmock.Expectations;
import org.jmock.Mockery;
import org.junit.Before;
import org.junit.Test;

import JE.AdvertSearchStats.Words.Iterators.ByScoreJoinedPhrasesPostgres;
import JE.AdvertSearchStats.Words.Iterators.ContainingWordsRepository;

public class ByScoreJoinedPhrasesPostgresTest {

  private Mockery context;
	private ContainingWordsRepository containingWordsRepository;

	@Before
	public void OnBeforeOneTest() {
		context = new Mockery();
		containingWordsRepository = context.mock(ContainingWordsRepository.class);
	}
	
	
	@Test
	public void HasNextShouldReturnFalseIfNoMoreRecordsAreAvailable() {
		context.checking(new Expectations() {{
	    	oneOf(containingWordsRepository).getWordsForPhrase("phrase");
	    	will(returnValue(null));
	    }});
		ByScoreJoinedPhrasesPostgres sut = new ByScoreJoinedPhrasesPostgres(containingWordsRepository, "phrase");
		
		Boolean hasNext = sut.HasNext();		
		
		assertFalse(hasNext);
	}

	@Test
	public void HasNextShouldReturnTrueIfThereAreRecordsAvailable() {
		context.checking(new Expectations() {{
	    	oneOf(containingWordsRepository).getWordsForPhrase("phrase");
	    	will(returnValue("foo|bar"));
	    }});
		ByScoreJoinedPhrasesPostgres sut = new ByScoreJoinedPhrasesPostgres(containingWordsRepository, "phrase");
		
		Boolean hasNext = sut.HasNext();		
		
		assertTrue(hasNext);
	}

	@Test
	public void NextShouldReturnNullNoMoreRecordsAreAvailable() {
		context.checking(new Expectations() {{
			oneOf(containingWordsRepository).getWordsForPhrase("phrase");
			will(returnValue(null));
		}});
		ByScoreJoinedPhrasesPostgres sut = new ByScoreJoinedPhrasesPostgres(containingWordsRepository, "phrase");
		
		String next = sut.Next();		
		
		assertNull(next);
	}
	
	@Test
	public void NextShouldReturnTheFirstElementRetrievedByTheRepository() {
		context.checking(new Expectations() {{
			oneOf(containingWordsRepository).getWordsForPhrase("phrase");
			will(returnValue("foo|bar"));
		}});
		ByScoreJoinedPhrasesPostgres sut = new ByScoreJoinedPhrasesPostgres(containingWordsRepository, "phrase");
		
		String next = sut.Next();		
		
		assertEquals("foo", next);
	}
}