import { createStore , Store } from 'redux' ; import { Field , selectCurrency } from './actions' ; import reducer , { SwapState } from './reducer' ; describe ( 'swap reducer' , ( ) => { let store ; beforeEach ( ( ) => { store = createStore ( reducer , { [ Field . OUTPUT ] : { currencyId : '' } , [ Field . INPUT ] : { currencyId : '' } , typedValue : '' , independentField : Field . INPUT , recipient : null } ) ; } ) ; describe ( 'selectToken' , ( ) => { it ( 'changes token' , ( ) => { store . dispatch ( selectCurrency ( { field : Field . OUTPUT , currencyId : '0x0000' } ) ) ; expect ( store . getState ( ) ) . toEqual ( { [ Field . OUTPUT ] : { currencyId : '0x0000' } , [ Field . INPUT ] : { currencyId : '' } , typedValue : '' , independentField : Field . INPUT , recipient : null } ) ; } ) ; } ) ; } ) ;