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| 1 | +import { ColumnsType } from '../models/column'; |
| 2 | +import { State } from '../models/state'; |
| 3 | +import { createTransformerMiddleware } from './transformerMiddleware'; |
| 4 | + |
| 5 | +describe('validatorMiddleware', () => { |
| 6 | + type TestType = { forename: string; surname: string; email: string }; |
| 7 | + const defaultColumns: ColumnsType<TestType> = [ |
| 8 | + { key: 'forename', label: 'Forename' }, |
| 9 | + { key: 'surname', label: 'Surname' }, |
| 10 | + { key: 'email', label: 'Email' } |
| 11 | + ]; |
| 12 | + const middleware = createTransformerMiddleware<TestType>(); |
| 13 | + const parsed: TestType[] = [ |
| 14 | + { forename: 'Hans', surname: 'Muster', email: '[email protected]' }, |
| 15 | + { forename: 'Heidi', surname: ' Muster', email: '[email protected]' }, |
| 16 | + { forename: 'Joe', surname: 'Doe', email: ' [email protected] ' } |
| 17 | + ]; |
| 18 | + const trimTransformer = (value: string) => value.trim(); |
| 19 | + const markTransformer = (value: string) => `${value}!`; |
| 20 | + |
| 21 | + it('should not dispatch if there are no transformers', () => { |
| 22 | + const state: State<TestType> = { columns: defaultColumns }; |
| 23 | + const dispatchMock = jest.fn(); |
| 24 | + |
| 25 | + middleware(state, dispatchMock, { type: 'setParsed', parsed }); |
| 26 | + expect(dispatchMock).toBeCalledTimes(0); |
| 27 | + }); |
| 28 | + |
| 29 | + it('should run a transformer on all values', () => { |
| 30 | + const state: State<TestType> = { columns: defaultColumns, transformers: [trimTransformer] }; |
| 31 | + const dispatchMock = jest.fn(); |
| 32 | + |
| 33 | + middleware(state, dispatchMock, { type: 'setParsed', parsed }); |
| 34 | + |
| 35 | + expect(dispatchMock).toBeCalledWith({ |
| 36 | + type: 'setParsed', |
| 37 | + parsed: [ |
| 38 | + { forename: 'Hans', surname: 'Muster', email: '[email protected]' }, |
| 39 | + { forename: 'Heidi', surname: 'Muster', email: '[email protected]' }, |
| 40 | + { forename: 'Joe', surname: 'Doe', email: '[email protected]' } |
| 41 | + ] |
| 42 | + }); |
| 43 | + }); |
| 44 | + |
| 45 | + it('should run transformers on values of a certain column', () => { |
| 46 | + const state: State<TestType> = { |
| 47 | + columns: [ |
| 48 | + { key: 'forename', label: 'Forename' }, |
| 49 | + { key: 'surname', label: 'Surname', transformers: [trimTransformer, markTransformer] }, |
| 50 | + { key: 'email', label: 'Email' } |
| 51 | + ] |
| 52 | + }; |
| 53 | + const dispatchMock = jest.fn(); |
| 54 | + |
| 55 | + middleware(state, dispatchMock, { type: 'setParsed', parsed }); |
| 56 | + |
| 57 | + expect(dispatchMock).toBeCalledWith({ |
| 58 | + type: 'setParsed', |
| 59 | + parsed: [ |
| 60 | + { forename: 'Hans', surname: 'Muster!', email: '[email protected]' }, |
| 61 | + { forename: 'Heidi', surname: 'Muster!', email: '[email protected]' }, |
| 62 | + { forename: 'Joe', surname: 'Doe!', email: ' [email protected] ' } |
| 63 | + ] |
| 64 | + }); |
| 65 | + }); |
| 66 | +}); |
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