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| 1 | +/* eslint-disable @typescript-eslint/no-unsafe-member-access */ |
| 2 | +/* eslint-disable @typescript-eslint/no-unsafe-call */ |
| 3 | +/* eslint-disable @typescript-eslint/no-unsafe-assignment */ |
| 4 | + |
| 5 | +import * as React from 'react' |
| 6 | +import {describe, expect, it} from 'vitest' |
| 7 | +import {render} from '@testing-library/react' |
| 8 | +import {userEvent} from '@testing-library/user-event' |
| 9 | + |
| 10 | +import {FormProvider, useCreateForm, useFormInstance} from '../src/form.js' |
| 11 | +import {useFormField} from '../src/field.js' |
| 12 | + |
| 13 | +const user = userEvent.setup() |
| 14 | + |
| 15 | +function Form({children}: {children: React.ReactNode}) { |
| 16 | + const form = useCreateForm({initialValues: {field: 'value'}}) |
| 17 | + return <FormProvider form={form}>{children}</FormProvider> |
| 18 | +} |
| 19 | + |
| 20 | +function Field({name, validate}: {name: string; validate?: (value: unknown) => string | null}) { |
| 21 | + const form = useFormInstance() |
| 22 | + const [field, meta] = useFormField(form, {name, validate}) |
| 23 | + return ( |
| 24 | + <> |
| 25 | + <input |
| 26 | + data-testid="input" |
| 27 | + {...field} |
| 28 | + value={field.value || ''} |
| 29 | + onChange={event => field.onChange(event.target.value)} |
| 30 | + /> |
| 31 | + {meta.error ? <span data-testid="error">{meta.error}</span> : null} |
| 32 | + </> |
| 33 | + ) |
| 34 | +} |
| 35 | + |
| 36 | +describe('Form', () => { |
| 37 | + it('renders a basic field', () => { |
| 38 | + const {getByTestId} = render( |
| 39 | + <Form> |
| 40 | + <Field name="field" /> |
| 41 | + </Form>, |
| 42 | + ) |
| 43 | + expect(getByTestId('input')).toHaveValue('value') |
| 44 | + }) |
| 45 | + |
| 46 | + it('updates the value of the field', async () => { |
| 47 | + const {getByTestId} = render( |
| 48 | + <Form> |
| 49 | + <Field name="field" /> |
| 50 | + </Form>, |
| 51 | + ) |
| 52 | + await user.type(getByTestId('input'), '{backspace}{backspace}encia') |
| 53 | + expect(getByTestId('input')).toHaveValue('valencia') |
| 54 | + }) |
| 55 | + |
| 56 | + it('should not run validation initially', async () => { |
| 57 | + const {getByTestId, queryByTestId} = render( |
| 58 | + <Form> |
| 59 | + <Field name="field" validate={value => (value !== 'valencia' ? 'Value should be "valencia"' : null)} /> |
| 60 | + </Form>, |
| 61 | + ) |
| 62 | + await user.type(getByTestId('input'), '{backspace}{backspace}encia') |
| 63 | + expect(queryByTestId('error')).not.toBeInTheDocument() |
| 64 | + }) |
| 65 | + |
| 66 | + it('should run validation after blur', async () => { |
| 67 | + const {getByTestId} = render( |
| 68 | + <Form> |
| 69 | + <Field name="field" validate={value => (value !== 'valencia' ? 'Value should be "valencia"' : null)} /> |
| 70 | + </Form>, |
| 71 | + ) |
| 72 | + await user.type(getByTestId('input'), '{backspace}{backspace}{tab}') |
| 73 | + expect(getByTestId('error')).toHaveTextContent('Value should be "valencia"') |
| 74 | + }) |
| 75 | + |
| 76 | + it('should run validation continually once blurred', async () => { |
| 77 | + const {getByTestId, queryByTestId} = render( |
| 78 | + <Form> |
| 79 | + <Field name="field" validate={value => (value !== 'valencia' ? 'Value should be "valencia"' : null)} /> |
| 80 | + </Form>, |
| 81 | + ) |
| 82 | + await user.click(getByTestId('input')) |
| 83 | + await user.type(getByTestId('input'), '{tab}{shift>}{tab}{/shift}') |
| 84 | + await user.type(getByTestId('input'), '{backspace}{backspace}') |
| 85 | + expect(getByTestId('error')).toHaveTextContent('Value should be "valencia"') |
| 86 | + await user.type(getByTestId('input'), 'en') |
| 87 | + expect(getByTestId('error')).toHaveTextContent('Value should be "valencia"') |
| 88 | + await user.type(getByTestId('input'), 'cia') |
| 89 | + expect(queryByTestId('error')).not.toBeInTheDocument() |
| 90 | + }) |
| 91 | + |
| 92 | + it('should clear value after unmount', async () => { |
| 93 | + function Test() { |
| 94 | + const [show, setShow] = React.useState(true) |
| 95 | + |
| 96 | + return ( |
| 97 | + <Form> |
| 98 | + {show && ( |
| 99 | + <Field name="field" validate={value => (value !== 'valencia' ? 'Value should be "valencia"' : null)} /> |
| 100 | + )} |
| 101 | + <button data-testid="toggle" type="button" onClick={() => setShow(show => !show)}> |
| 102 | + Toggle field |
| 103 | + </button> |
| 104 | + </Form> |
| 105 | + ) |
| 106 | + } |
| 107 | + const {getByTestId, queryByTestId} = render(<Test />) |
| 108 | + expect(getByTestId('input')).toHaveValue('value') |
| 109 | + await user.click(getByTestId('toggle')) |
| 110 | + expect(queryByTestId('input')).not.toBeInTheDocument() |
| 111 | + await user.click(getByTestId('toggle')) |
| 112 | + expect(queryByTestId('input')).toBeInTheDocument() |
| 113 | + expect(getByTestId('input')).toHaveValue('') |
| 114 | + }) |
| 115 | +}) |
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