import { StemmerRu } from '../../../../src/preprocess/engines/ru/stemmer-ru' ; describe ( 'Russian stemmer' , ( ) => { test ( 'Stemming sentence' , ( ) => { const stemmer = new StemmerRu ( ) ; expect ( stemmer . stem ( [ 'Говорящий' , 'мысль' ] ) ) . toEqual ( [ 'Говоря' , 'мысл' ] ) ; } ) ; } ) ;