@IssueKey("242")
@Test
public void testSingleElementSource() throws DogException {
AdderUsageObserver.setUsed( false );
SingleElementSource source = new SingleElementSource();
source.setPet( "mouse" );
Target target = SourceTargetMapper.INSTANCE.fromSingleElementSource( source );
assertThat( target ).isNotNull();
assertThat( target.getPets().size() ).isEqualTo( 1 );
assertThat( target.getPets().get( 0 ) ).isEqualTo( 2L );