test: Added tests for validation functions
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Zaytsev Kirill
parent
4251d46591
commit
47f631e6ae
@ -1,36 +1,223 @@
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import { enlarge } from '@/validation/validator.ts'
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import {
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createValidator,
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enlarge,
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parseModifier,
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processSingleArrayConstraint,
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processSingleStringConstraint,
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validate,
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} from '@/validation/validator.ts'
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// @TODO: Converting raw rule data to validator
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const isNumberAndInRangeRule = ({ value }, from, to) => !isNaN(value) && value >= from && value <= to
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const isNumberAndInRangeMessage = ({ value }, from, to) => {
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return isNaN(value) ? 'Value is NaN' : `Value not in range [${from}, ${to}]`
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}
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describe('Validator', () => {
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it ('Enlarges validator groups', () => {
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expect(enlarge([{
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validators: [],
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bail: false,
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}, {
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validators: [],
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bail: false,
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}, {
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validators: [],
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bail: false,
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}, {
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validators: [],
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bail: true,
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}, {
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validators: [],
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bail: false,
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}, {
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validators: [],
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bail: false,
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}])).toEqual([{
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validators: [],
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bail: false,
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}, {
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validators: [],
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bail: true,
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}, {
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validators: [],
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bail: false,
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}])
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describe('createValidator', () => {
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it ('Creates correct validator', async () => {
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const context = { value: 'abc', formValues: {}, name: 'field' }
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const validate = createValidator(
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isNumberAndInRangeRule,
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'rule',
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[1, 2],
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isNumberAndInRangeMessage,
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)
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await expect(validate(context)).toBeInstanceOf(Promise)
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expect(await validate(context)).toEqual({
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rule: 'rule',
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args: [1, 2],
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context,
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message: 'Value is NaN',
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})
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expect(await validate({ ...context, value: 0 })).toEqual({
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rule: 'rule',
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args: [1, 2],
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context: { ...context, value: 0 },
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message: 'Value not in range [1, 2]',
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})
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expect(await validate({ ...context, value: 1.5 })).toBeNull()
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})
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})
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describe('enlarge', () => {
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it ('Merges non-bail validator groups', () => {
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expect(enlarge([
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{ validators: [], bail: false },
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{ validators: [], bail: false },
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{ validators: [], bail: false },
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])).toEqual([
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{ validators: [], bail: false },
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])
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})
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it ('Merges non-bail validator groups, bail groups stayed unmerged', () => {
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expect(enlarge([
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{ validators: [], bail: false },
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{ validators: [], bail: false },
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{ validators: [], bail: false },
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{ validators: [], bail: true },
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{ validators: [], bail: true },
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{ validators: [], bail: false },
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{ validators: [], bail: false },
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])).toEqual([
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{ validators: [], bail: false },
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{ validators: [], bail: true },
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{ validators: [], bail: true },
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{ validators: [], bail: false },
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])
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})
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})
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describe('parseModifier', () => {
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it ('Extracts modifier if present', () => {
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expect(parseModifier('^required')).toEqual(['required', '^'])
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expect(parseModifier('required')).toEqual(['required', null])
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expect(parseModifier('bail')).toEqual(['bail', null])
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expect(parseModifier('^min_length')).toEqual(['minLength', '^'])
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expect(parseModifier('min_length')).toEqual(['minLength', null])
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})
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})
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describe('processSingleArrayConstraint', () => {
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const rules = { isNumberAndInRange: isNumberAndInRangeRule }
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const messages = { isNumberAndInRange: isNumberAndInRangeMessage }
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it ('Creates validator context if constraint is valid and rule exists', () => {
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expect(processSingleArrayConstraint(['isNumberAndInRange', 1, 2], rules, messages)).toEqual([
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expect.any(Function),
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'isNumberAndInRange',
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null,
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])
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expect(processSingleArrayConstraint(['^is_number_and_in_range', 1, 2], rules, messages)).toEqual([
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expect.any(Function),
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'isNumberAndInRange',
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'^',
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])
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})
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it ('Creates validator context if constraint is validator', () => {
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const validate = createValidator(
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isNumberAndInRangeRule,
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null,
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[],
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isNumberAndInRangeMessage,
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)
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expect(processSingleArrayConstraint([validate], rules, messages)).toEqual([
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expect.any(Function),
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null,
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null,
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])
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})
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it ('Throws error if constraint is valid and rule not exists', () => {
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expect(() => processSingleArrayConstraint(
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['^rule_that_not_exists'],
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{ rule: isNumberAndInRangeRule },
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{ rule: isNumberAndInRangeMessage },
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)).toThrow('[Formulario] Can\'t create validator for constraint: [\"^rule_that_not_exists\"]')
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})
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it ('Throws error if constraint is not valid', () => {
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expect(() => processSingleArrayConstraint(
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[null],
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{ rule: isNumberAndInRangeRule },
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{ rule: isNumberAndInRangeMessage },
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)).toThrow('[Formulario]: For array constraint first element must be rule name or Validator function')
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})
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})
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describe('processSingleStringConstraint', () => {
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const rules = { isNumberAndInRange: isNumberAndInRangeRule }
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const messages = { isNumberAndInRange: isNumberAndInRangeMessage }
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it ('Creates validator context if constraint is valid and rule exists', () => {
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expect(processSingleStringConstraint('isNumberAndInRange:1,2', rules, messages)).toEqual([
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expect.any(Function),
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'isNumberAndInRange',
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null,
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])
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expect(processSingleStringConstraint('^is_number_and_in_range:1,2', rules, messages)).toEqual([
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expect.any(Function),
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'isNumberAndInRange',
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'^',
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])
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})
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it ('Throws error if constraint is valid and rule not exists', () => {
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expect(() => processSingleStringConstraint(
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'^rule_that_not_exists',
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{ rule: isNumberAndInRangeRule },
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{ rule: isNumberAndInRangeMessage },
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)).toThrow('[Formulario] Can\'t create validator for constraint: ^rule_that_not_exists')
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})
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})
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describe('validate', () => {
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const isNumber = createValidator(
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({ value }) => String(value) !== '' && !isNaN(value),
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'number',
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[],
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() => 'Value is NaN'
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)
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const isRequired = createValidator(
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({ value }) => value !== undefined && String(value) !== '',
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'required',
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[],
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() => 'Value is required'
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)
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const context = { value: '', formValues: {}, name: 'field' }
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it('Applies all rules if no bail', async () => {
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expect(await validate([
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[isRequired, 'required', null],
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[isNumber, 'number', null],
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], context)).toEqual([{
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rule: 'required',
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args: [],
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context,
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message: 'Value is required',
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}, {
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rule: 'number',
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args: [],
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context,
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message: 'Value is NaN',
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}])
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})
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it('Applies only first rule (bail)', async () => {
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expect(await validate([
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[() => {}, 'bail', null],
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[isRequired, 'required', '^'],
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[isNumber, 'number', null],
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], context)).toEqual([{
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rule: 'required',
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args: [],
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context,
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message: 'Value is required',
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}])
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})
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it('Applies only first rule (bail modifier)', async () => {
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expect(await validate([
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[isRequired, 'required', '^'],
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[isNumber, 'number', null],
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], context)).toEqual([{
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rule: 'required',
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args: [],
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context,
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message: 'Value is required',
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}])
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})
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it('No violations on valid context', async () => {
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expect(await validate([
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[isRequired, 'required', '^'],
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[isNumber, 'number', null],
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], { ...context, value: 0 })).toEqual([])
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})
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})
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