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validators.spec.ts
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validators.spec.ts
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import { enUSMessages } from '../src/messages/en-US'
import { FormControl } from '../src/models/formControl'
import { AsyncValidatorFn, ValidateErrors, ValidateMessages, ValidatorFn } from '../src/types'
import { Validators } from '../src/validators'
describe('validators.ts', () => {
const control = new FormControl()
const { getError } = Validators
test('required work', () => {
const required = Validators.required
expect(required(0, control)).toBeUndefined()
expect(required('value', control)).toBeUndefined()
expect(required([1, 2], control)).toBeUndefined()
const errorMessage = { required: getError('required', control) }
expect(required(undefined, control)).toEqual(errorMessage)
expect(required(undefined, control)).toEqual(errorMessage)
expect(required('', control)).toEqual(errorMessage)
expect(required([], control)).toEqual(errorMessage)
})
test('requiredTrue work', () => {
const requiredTrue = Validators.requiredTrue
expect(requiredTrue(true, control)).toBeUndefined()
const errorMessage = (actual: unknown) => ({ requiredTrue: getError('requiredTrue', control, { actual }) })
expect(requiredTrue(undefined, control)).toEqual(errorMessage(undefined))
expect(requiredTrue(undefined, control)).toEqual(errorMessage(undefined))
expect(requiredTrue('', control)).toEqual(errorMessage(''))
expect(requiredTrue([], control)).toEqual(errorMessage([]))
expect(requiredTrue({}, control)).toEqual(errorMessage({}))
expect(requiredTrue(false, control)).toEqual(errorMessage(false))
})
test('email work', () => {
const email = Validators.email
expect(email('', control)).toBeUndefined()
expect(email(undefined, control)).toBeUndefined()
expect(email('test@gmail.com', control)).toBeUndefined()
const errorMessage = (actual: unknown) => ({ email: getError('email', control, { actual }) })
expect(email({}, control)).toEqual(errorMessage({}))
expect(email('test', control)).toEqual(errorMessage('test'))
})
test('min work', () => {
const minOne = Validators.min(1)
expect(minOne('', control)).toBeUndefined()
expect(minOne(undefined, control)).toBeUndefined()
expect(minOne('test', control)).toBeUndefined()
expect(minOne('1', control)).toBeUndefined()
expect(minOne(1, control)).toBeUndefined()
expect(minOne(2, control)).toBeUndefined()
const errorMessage = (actual: unknown) => ({ min: getError('min', control, { actual, min: 1 }) })
expect(minOne(0, control)).toEqual(errorMessage(0))
expect(minOne('0', control)).toEqual(errorMessage('0'))
})
test('max work', () => {
const maxOne = Validators.max(1)
expect(maxOne('', control)).toBeUndefined()
expect(maxOne(undefined, control)).toBeUndefined()
expect(maxOne('test', control)).toBeUndefined()
expect(maxOne('1', control)).toBeUndefined()
expect(maxOne(1, control)).toBeUndefined()
expect(maxOne(0, control)).toBeUndefined()
const errorMessage = (actual: unknown) => ({ max: getError('max', control, { actual, max: 1 }) })
expect(maxOne(2, control)).toEqual(errorMessage(2))
expect(maxOne('2', control)).toEqual(errorMessage('2'))
})
test('range work', () => {
const range3To9 = Validators.range(3, 9)
expect(range3To9('', control)).toBeUndefined()
expect(range3To9(undefined, control)).toBeUndefined()
expect(range3To9('test', control)).toBeUndefined()
expect(range3To9('3', control)).toBeUndefined()
expect(range3To9(3, control)).toBeUndefined()
expect(range3To9(9, control)).toBeUndefined()
const errorMessage = (actual: unknown) => ({ range: getError('range', control, { actual, min: 3, max: 9 }) })
expect(range3To9(2, control)).toEqual(errorMessage(2))
expect(range3To9('2', control)).toEqual(errorMessage('2'))
expect(range3To9(10, control)).toEqual(errorMessage(10))
expect(range3To9('10', control)).toEqual(errorMessage('10'))
})
test('minLength work', () => {
const minLengthTwo = Validators.minLength(2)
expect(minLengthTwo('', control)).toBeUndefined()
expect(minLengthTwo(undefined, control)).toBeUndefined()
expect(minLengthTwo(1, control)).toBeUndefined()
expect(minLengthTwo('te', control)).toBeUndefined()
expect(minLengthTwo('test', control)).toBeUndefined()
expect(minLengthTwo([], control)).toBeUndefined()
expect(minLengthTwo([1, 2], control)).toBeUndefined()
expect(minLengthTwo([1, 2, 3], control)).toBeUndefined()
const errorMessage = (actual: unknown, isArray: boolean) => ({
minLength: getError('minLength', control, { actual, isArray, minLength: 2 }),
})
expect(minLengthTwo('t', control)).toEqual(errorMessage(1, false))
expect(minLengthTwo([1], control)).toEqual(errorMessage(1, true))
})
test('maxLength work', () => {
const maxLengthTwo = Validators.maxLength(2)
expect(maxLengthTwo('', control)).toBeUndefined()
expect(maxLengthTwo(1, control)).toBeUndefined()
expect(maxLengthTwo(undefined, control)).toBeUndefined()
expect(maxLengthTwo('te', control)).toBeUndefined()
expect(maxLengthTwo('t', control)).toBeUndefined()
expect(maxLengthTwo([], control)).toBeUndefined()
expect(maxLengthTwo([1, 2], control)).toBeUndefined()
expect(maxLengthTwo([1], control)).toBeUndefined()
const errorMessage = (actual: unknown, isArray: boolean) => ({
maxLength: getError('maxLength', control, { actual, isArray, maxLength: 2 }),
})
expect(maxLengthTwo('test', control)).toEqual(errorMessage(4, false))
expect(maxLengthTwo([1, 2, 3], control)).toEqual(errorMessage(3, true))
})
test('rangeLength work', () => {
const rangeLength2To5 = Validators.rangeLength(2, 5)
expect(rangeLength2To5('', control)).toBeUndefined()
expect(rangeLength2To5(1, control)).toBeUndefined()
expect(rangeLength2To5(undefined, control)).toBeUndefined()
expect(rangeLength2To5('te', control)).toBeUndefined()
expect(rangeLength2To5('test1', control)).toBeUndefined()
expect(rangeLength2To5([], control)).toBeUndefined()
expect(rangeLength2To5([1, 2], control)).toBeUndefined()
expect(rangeLength2To5([1, 2, 3, 4, 5], control)).toBeUndefined()
const errorMessage = (actual: unknown, isArray: boolean) => ({
rangeLength: getError('rangeLength', control, { actual, isArray, minLength: 2, maxLength: 5 }),
})
expect(rangeLength2To5('t', control)).toEqual(errorMessage(1, false))
expect(rangeLength2To5([1, 2, 3, 4, 5, 6], control)).toEqual(errorMessage(6, true))
})
test('pattern work', () => {
expect(Validators.pattern(undefined!)('test', control)).toBeUndefined()
let stringPattern = Validators.pattern('[a-zA-Z]+')
expect(stringPattern('', control)).toBeUndefined()
expect(stringPattern(undefined, control)).toBeUndefined()
expect(stringPattern('test', control)).toBeUndefined()
let errorMessage = (actual: unknown) => ({
pattern: getError('pattern', control, { actual, pattern: '^[a-zA-Z]+$' }),
})
expect(stringPattern('test1', control)).toEqual(errorMessage('test1'))
expect(stringPattern(1, control)).toEqual(errorMessage(1))
stringPattern = Validators.pattern('^[a-zA-Z]+$')
expect(stringPattern('test1', control)).toEqual(errorMessage('test1'))
expect(stringPattern(1, control)).toEqual(errorMessage(1))
const regExpPattern = Validators.pattern(new RegExp('[a-zA-Z]+'))
expect(regExpPattern('', control)).toBeUndefined()
expect(regExpPattern(undefined, control)).toBeUndefined()
expect(regExpPattern('test', control)).toBeUndefined()
expect(regExpPattern('test1', control)).toBeUndefined()
errorMessage = (actual: unknown) => ({ pattern: getError('pattern', control, { actual, pattern: '/[a-zA-Z]+/' }) })
expect(regExpPattern(1, control)).toEqual(errorMessage(1))
const regExpPattern2 = Validators.pattern(new RegExp('^[a-zA-Z]+$'))
expect(regExpPattern2('test', control)).toBeUndefined()
errorMessage = (actual: unknown) => ({
pattern: getError('pattern', control, { actual, pattern: '/^[a-zA-Z]+$/' }),
})
expect(regExpPattern2('test1', control)).toEqual(errorMessage('test1'))
expect(regExpPattern2(1, control)).toEqual(errorMessage(1))
})
test('compose work', () => {
const _validator = (key: string, error: unknown): ValidatorFn => {
return (_: unknown) => {
return { [key]: error } as ValidateErrors
}
}
const message1 = { message: 1 }
const message2 = { message: 2 }
const { compose, nullValidator, required } = Validators
expect(compose(undefined)).toBeUndefined()
expect(compose([])).toBeUndefined()
expect(compose([nullValidator, nullValidator])!('test', control)).toBeUndefined()
expect(compose([_validator('a', message1), _validator('b', message2)])!('test', control)).toEqual({
a: message1,
b: message2,
})
expect(compose([_validator('a', message1), _validator('a', message2)])!('test', control)).toEqual({ a: message2 })
expect(compose([undefined, nullValidator, required])!('', control)).toEqual({
required: getError('required', control),
})
})
test('composeAsync work', async () => {
const _asyncValidator = (key: string, error: unknown): AsyncValidatorFn => {
return (_: unknown) => {
return Promise.resolve({ [key]: error } as ValidateErrors)
}
}
const message1 = { message: 1 }
const message2 = { message: 2 }
const composeAsync = Validators.composeAsync
expect(composeAsync(undefined)).toBeUndefined()
expect(composeAsync([])).toBeUndefined()
let errors = await composeAsync([_asyncValidator('a', message1), _asyncValidator('b', message2)])!('test', control)
expect(errors).toEqual({ a: message1, b: message2 })
errors = await composeAsync([_asyncValidator('a', message1), _asyncValidator('a', message2)])!('test', control)
expect(errors).toEqual({ a: message2 })
errors = await composeAsync([undefined, _asyncValidator('a', message1)])!('test', control)
expect(errors).toEqual({ a: message1 })
})
test('setMessages enUSMessages work', () => {
const { setMessages, required, requiredTrue } = Validators
setMessages(enUSMessages)
expect(required('', control)).toEqual({ required: getError('required', control) })
expect(requiredTrue(false, control)).toEqual({ requiredTrue: getError('requiredTrue', control, { actual: false }) })
})
test('setMessages custom messages work', () => {
const { setMessages, required, requiredTrue } = Validators
const messages: ValidateMessages = { required: 'please input', requiredTrue: 'invalid input' }
setMessages(messages)
expect(required('', control)).toEqual({ required: { message: messages.required } })
expect(requiredTrue(false, control)).toEqual({ requiredTrue: { message: messages.requiredTrue, actual: false } })
setMessages({ requiredTrue: () => 'please input true' })
expect(requiredTrue(false, control)).toEqual({ requiredTrue: { message: 'please input true', actual: false } })
})
})