import { Todo } from './todo' ; describe ( 'Todo' , ( ) => { it ( 'should create an instance' , ( ) => { expect ( new Todo ( ) ) . toBeTruthy ( ) ; } ) ; it ( 'should accept values in the constructor' , ( ) => { let todo = new Todo ( { title : 'hello' , complete : true } ) ; expect ( todo . title ) . toEqual ( 'hello' ) ; expect ( todo . complete ) . toEqual ( true ) ; } ) ; } ) ;