### Question:
StepAnalyzer extends BaseKettleMetaverseComponent implements
  IClonableStepAnalyzer<T>, IFieldLineageMetadataProvider<T> { protected IMetaverseNode createFieldNode( IComponentDescriptor fieldDescriptor, ValueMetaInterface fieldMeta, String targetStepName, boolean addTheNode ) { return createFieldNode( fieldDescriptor, fieldMeta.getTypeDesc(), targetStepName, addTheNode ); }  @Override IMetaverseNode analyze( IComponentDescriptor descriptor, T meta ); @Override void postAnalyze( T meta ); Set<String> getInputStepNames( final T meta, final String fieldName ); String getStepName(); StepNodes getInputs(); StepNodes getOutputs(); void setDescriptor( IComponentDescriptor descriptor ); IComponentDescriptor getDescriptor(); Set<StepField> createStepFields( String fieldName, StepNodes stepNodes ); void validateState( IComponentDescriptor descriptor, T object ); IConnectionAnalyzer getConnectionAnalyzer(); void setConnectionAnalyzer( IConnectionAnalyzer connectionAnalyzer ); Map<String, RowMetaInterface> getInputFields( final TransMeta parentTransMeta,
                                                       final StepMeta parentStepMeta ); @Override Map<String, RowMetaInterface> getInputFields( T meta ); @Override RowMetaInterface getOutputFields( T meta ); @Override Set<IFieldMapping> getFieldMappings( T meta ); @Override Set<ComponentDerivationRecord> getChangeRecords( T meta ); void loadInputAndOutputStreamFields( T meta ); @Override final IClonableStepAnalyzer cloneAnalyzer(); IMetaverseNode getNode( final String name, final String type, final INamespace namespace,
                                 final String nodeKey, final Map<String, IMetaverseNode> nodeMap ); @Override void setDocumentAnalyzer( final IClonableDocumentAnalyzer documentAnalyzer ); @Override IClonableDocumentAnalyzer getDocumentAnalyzer(); @Override void setDocumentDescriptor( final IComponentDescriptor documentDescriptor ); @Override IComponentDescriptor getDocumentDescriptor(); @Override void setDocumentPath( final String documentPath ); static final String NONE; }### Answer:
@Test public void testCreateFieldNode() throws Exception { IComponentDescriptor fieldDescriptor = mock( IComponentDescriptor.class ); ValueMetaInterface fieldMeta = new ValueMeta( "address" ); MetaverseTransientNode node = new MetaverseTransientNode( "hello" ); doReturn( node ).when( analyzer ).createNodeFromDescriptor( fieldDescriptor ); IMetaverseNode fieldNode = analyzer.createFieldNode( fieldDescriptor, fieldMeta, "nextStep", true ); assertNotNull( fieldNode ); assertNotNull( fieldNode.getProperty( DictionaryConst.PROPERTY_KETTLE_TYPE ) ); assertEquals( "nextStep", fieldNode.getProperty( DictionaryConst.PROPERTY_TARGET_STEP ) ); verify( builder ).addNode( node ); }