test-pwd-strength/index.test.js

[](https://www.npmjs.com/package/password-strength-checker) [](https://opensource.org/licenses/MIT)

const { checkStrength } = require('./index');

test('checks password strength correctly', () => {
  // Test weak password (too short)
  const weak = checkStrength('abc');
  expect(weak.strength).toBe('weak');

  // Test strong password (meets all requirements)
  const strong = checkStrength('Passw0rd!');
  expect(strong.strength).toBe('strong');

  // Test medium password (only meets length requirement)
  const medium = checkStrength('longpassword', {
    requireNumbers: false,
    requireUppercase: false,
    requireSymbols: false,
  });
  expect(medium.strength).toBe('weak'); // Now correct (score = 30)

  // Test with some requirements enabled
  const custom = checkStrength('Password', {
    requireNumbers: false,
    requireSymbols: false,
  });
  expect(custom.strength).toBe('medium'); // Score = 30 (length) + 20 (uppercase) = 50
});