@purinton/knit/tests/configValidator.test.mjs

GitHub webhook handler and deployment automation tool. Listens for GitHub webhook events, validates signatures, updates repositories, runs deployment commands, and sends notifications.

// Tests for src/configValidator.mjs
import { jest } from '@jest/globals';
import { validateJsonFile, validate } from '../src/configValidator.mjs';
import fs from 'fs';

describe('configValidator.mjs', () => {
  beforeEach(() => {
    jest.clearAllMocks();
  });

  it('should throw if file does not exist', () => {
    jest.spyOn(fs, 'existsSync').mockReturnValue(false);
    const log = { error: jest.fn() };
    expect(() => validateJsonFile({ path: 'bad.json', log })).toThrow('Config file not found: bad.json');
    expect(log.error).toHaveBeenCalled();
  });

  it('should throw if file is invalid JSON', () => {
    jest.spyOn(fs, 'existsSync').mockReturnValue(true);
    jest.spyOn(fs, 'readFileSync').mockReturnValue('not json');
    const log = { error: jest.fn() };
    expect(() => validateJsonFile({ path: 'bad.json', log })).toThrow(/Invalid JSON/);
    expect(log.error).toHaveBeenCalled();
  });

  it('should return parsed JSON if valid', () => {
    jest.spyOn(fs, 'existsSync').mockReturnValue(true);
    jest.spyOn(fs, 'readFileSync').mockReturnValue('{"pwd":"/tmp"}');
    const log = { error: jest.fn() };
    expect(validateJsonFile({ path: 'good.json', log })).toEqual({ pwd: '/tmp' });
  });

  it('should return false if config is invalid', () => {
    const log = { error: jest.fn() };
    expect(validate({ config: null, log })).toBe(false);
    expect(validate({ config: {}, log })).toBe(false);
    expect(log.error).toHaveBeenCalled();
  });

  it('should return true if config is valid', () => {
    expect(validate({ config: { pwd: '/tmp' }, log: { error: jest.fn() } })).toBe(true);
  });
});