import { FetchError } from '@grafana/runtime'; import { messageFromError, UNKNOW_ERROR } from './redux'; describe('messageFromError method', () => { it('should return UNKNOW_ERROR message when error is an object and not having neither in the e.data.message and nor in e.message', () => { const error: FetchError = { config: { url: '', }, data: { message: '', error: '', response: '' }, status: 502, statusText: '', }; expect(messageFromError(error)).toBe(UNKNOW_ERROR); }); it('should return correct message in case of having message info in the e object (in e.data.message or in e.message)', () => { const error: FetchError = { config: { url: '', }, data: { message: 'BLA BLA', error: 'this is the error', response: '' }, status: 502, statusText: 'BLu BLu', }; expect(messageFromError(error)).toBe('BLA BLA; this is the error'); const error2: Error = { name: 'bla bla', message: 'THIS IS THE MESSAGE ERROR', }; expect(messageFromError(error2)).toBe('THIS IS THE MESSAGE ERROR'); }); });