question: public static void assertVocabulary ( Analyzer a , Path zipFile , String voc , String out ) throws IOException { Path tmp = LuceneTestCase . createTempDir ( ) ; try ( InputStream in = Files . newInputStream ( zipFile ) ) { TestUtil . unzip ( in , tmp ) ; } try ( InputStream v = Files . newInputStream ( tmp . resolve ( voc ) ) ; InputStream o = Files . newInputStream ( tmp . resolve ( out ) ) ) { assertVocabulary ( a , v , o ) ; } }
target:  Run a vocabulary test against two data files inside a zip file 