@t7/utils/source/_format_ssn.test.js

Utility methods for T7 components.

// Dependencies.
import { formatSSN } from './'

// Describe test.
describe('formatSSN', () => {
  // ===========================
  // Test for "existing" values.
  // ===========================

  it('handles "existing" values', () => {
    expect(formatSSN('333224444'))
      .toBe('333-22-4444')

    expect(formatSSN('3-3-3-2-2-4-4-4-4'))
      .toBe('333-22-4444')
  })

  // =======================================
  // Test for `null` and `undefined` values.
  // =======================================

  it('handles `null` and `undefined` values', () => {
    expect(formatSSN(null))
      .toBe('')

    expect(formatSSN(undefined))
      .toBe('')
  })
})