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vue-formulario/test/unit/utils/regexForFormat.test.js

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import regexForFormat from '@/utils/regexForFormat'
describe('regexForFormat', () => {
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test('allows MM format with other characters', () => {
expect(regexForFormat('abc/MM').test('abc/01')).toBe(true)
})
test('fails MM format with single digit', () => {
expect(regexForFormat('abc/MM').test('abc/1')).toBe(false)
})
test('allows M format with single digit', () => {
expect(regexForFormat('M/abc').test('1/abc')).toBe(true)
})
test.each([
['13/abc'],
['55/abc'],
])('fails M format when out of range', (string) => {
expect(regexForFormat('M/abc').test(string)).toBe(false)
})
test('replaces double digits before singles', () => {
expect(regexForFormat('MMM').test('313131')).toBe(false)
})
test('allows DD format with zero digit', () => {
const regex = regexForFormat('xyz/DD')
expect(regex.test('xyz/01')).toBe(true)
expect(regex.test('xyz/9')).toBe(false)
})
test('allows D format with single digit', () => {
expect(regexForFormat('xyz/D').test('xyz/9')).toBe(true)
})
test.each([
['xyz/92'],
['xyz/32'],
])('fails D format with out of range digit', string => {
expect(regexForFormat('xyz/D').test(string)).toBe(false)
})
test.each([
['00', true],
['0000', false],
])('allows YY format', (string, matches) => {
expect(regexForFormat('YY').test(string)).toBe(matches)
})
test('allows YYYY format with four zeros', () => {
expect(regexForFormat('YYYY').test('0000')).toBe(true)
})
test.each([
['MD-YY', '12-00'],
['DM-YY', '12-00'],
])('allows $format', (format, string) => {
expect(regexForFormat(format).test(string)).toBe(true)
})
test.each([
['MM/DD/YYYY', '12/18/1987'],
['YYYY-MM-DD', '1987-01-31']
])('$date matches $format', (format, date) => {
expect(regexForFormat(format).test(date)).toBe(true)
})
test('Fails date like YYYY-MM-DD with out of bounds day', () => {
expect(regexForFormat('YYYY-MM-DD').test('1987-01-32')).toBe(false)
})
})