### Question:
MongoDbInputStepAnalyzer extends ConnectionExternalResourceStepAnalyzer<MongoDbInputMeta> { @Override public String getResourceInputNodeType() { return DictionaryConst.NODE_TYPE_DATA_COLUMN; }  @Override Set<Class<? extends BaseStepMeta>> getSupportedSteps(); @Override String getResourceInputNodeType(); @Override String getResourceOutputNodeType(); @Override boolean isOutput(); @Override boolean isInput(); @Override String toString(); static final String COLLECTION; static final String AGG_PIPELINE; static final String FIELDS_EXPRESSION; static final String READ_PREF; static final String TAG_SETS; static final String OUTPUT_JSON; static final String JSON_PATH; static final String MINMAX_RANGE; static final String OCCUR_RATIO; static final String INDEXED_VALS; static final String DISPARATE_TYPES; }### Answer:
@Test public void testGetResourceInputNodeType() throws Exception { assertEquals( DictionaryConst.NODE_TYPE_DATA_COLUMN, analyzer.getResourceInputNodeType() ); }