HadoopBaseStepAnalyzer extends ExternalResourceStepAnalyzer<M> { @Override protected Set<StepField> getUsedFields( final M meta ) { return null; }  @Override String getResourceInputNodeType(); @Override String getResourceOutputNodeType(); @Override Set<Class<? extends BaseStepMeta>> getSupportedSteps(); abstract Class<M> getMetaClass(); @Override IMetaverseNode createResourceNode( final IExternalResourceInfo resource ); @Override IMetaverseNode createResourceNode( final M meta, final IExternalResourceInfo resource );  }
@Test public void testGetUsedFields() throws Exception { assertNull( analyzer.getUsedFields( getMetaMock() ) ); }