let a = true ; let count_a = 0 ; let count_b = 0 ; export default { props : { foo : 'potato' , fn : ( ) => { count_a += 1 ; return a ; } , other_fn : ( ) => { count_b += 1 ; return true ; } } , html : '<p>potato</p>' , before_test ( ) { count_a = 0 ; count_b = 0 ; } , test ( { assert , component , target } ) { assert . equal ( count_a , 1 ) ; assert . equal ( count_b , 0 ) ; a = false ; component . foo = 'soup' ; assert . equal ( count_a , 2 ) ; assert . equal ( count_b , 1 ) ; assert . htmlEqual ( target . innerHTML , '<p>SOUP</p>' ) ; component . foo = 'salad' ; assert . equal ( count_a , 3 ) ; assert . equal ( count_b , 1 ) ; assert . htmlEqual ( target . innerHTML , '<p>SALAD</p>' ) ; } } ;