nigeria-validator/test/nigeria-validator.test.js

Validate and format common Nigerian data: phone numbers, BVNs, bank codes, etc.

const {
  isValidPhone,
  formatPhone,
  isValidBVN,
  isValidNIN,
  isValidBankCode,
  getBankName,
  isValidState,
  getLGAs,
  isValidLGA,
  getNigerianNetwork
} = require('./src');

test('Phone number validation works', () => {
  expect(isValidPhone('08034567890')).toBe(true);
  expect(isValidPhone('2348034567890')).toBe(true);
  expect(isValidPhone('07000000000')).toBe(false);
});

test('Phone number formatting works', () => {
  expect(formatPhone('+2348034567890')).toBe('08034567890');
  expect(formatPhone('08034567890', 'intl')).toBe('+2348034567890');
});

test('BVN validation works', () => {
  expect(isValidBVN('22345678901')).toBe(true);
  expect(isValidBVN('12345')).toBe(false);
});

test('NIN validation works', () => {
  expect(isValidNIN('12345678901')).toBe(true);
  expect(isValidNIN('123')).toBe(false);
});

test('Bank code validation and name lookup', () => {
  expect(isValidBankCode('058')).toBe(true);
  expect(getBankName('058')).toBe('GTBank');
  expect(getBankName('000')).toBe('Unknown Bank');
});

test('State and LGA validation', () => {
  expect(isValidState('Abia')).toBe(true);
  expect(isValidLGA('Abia', 'Umuahia North')).toBe(true);
  expect(isValidLGA('Abia', 'Nonexistent')).toBe(false);
  expect(getLGAs('Abia')).toContain('Aba North');
});

test('Get Nigerian mobile network', () => {
  expect(getNigerianNetwork('08034567890')).toBe('MTN');
  expect(getNigerianNetwork('09090000000')).toBe('9mobile');
  expect(getNigerianNetwork('07000000000')).toBe('Unknown Network');
});