merge.spec.ts

import {
  RenovateConfig,
  fs,
  getConfig,
  git,
  logger,
  mocked,
  partial,
  platform,
} from '../../../../test/util';
import * as _migrateAndValidate from '../../../config/migrate-validate';
import * as _migrate from '../../../config/migration';
import * as repoCache from '../../../util/cache/repository';
import { initRepoCache } from '../../../util/cache/repository/init';
import type { RepoCacheData } from '../../../util/cache/repository/types';
import {
  checkForRepoConfigError,
  detectRepoFileConfig,
  mergeRenovateConfig,
} from './merge';

jest.mock('../../../util/fs');
jest.mock('../../../util/git');

const migrate = mocked(_migrate);
const migrateAndValidate = mocked(_migrateAndValidate);

let config: RenovateConfig;

beforeEach(() => {
  jest.resetAllMocks();
  config = getConfig();
  config.errors = [];
  config.warnings = [];
});

jest.mock('../../../config/migration');
jest.mock('../../../config/migrate-validate');

describe('workers/repository/init/merge', () => {
  describe('detectRepoFileConfig()', () => {
    beforeEach(async () => {
      await initRepoCache({ repoFingerprint: '0123456789abcdef' });
    });

    it('returns config if not found', async () => {
      git.getFileList.mockResolvedValue(['package.json']);
      fs.readLocalFile.mockResolvedValue('{}');
      expect(await detectRepoFileConfig()).toEqual({});
    });

    it('returns config if not found - uses cache', async () => {
      jest
        .spyOn(repoCache, 'getCache')
        .mockReturnValueOnce(
          partial<RepoCacheData>({ configFileName: 'renovate.json' })
        );
      platform.getRawFile.mockRejectedValueOnce(new Error());
      git.getFileList.mockResolvedValue(['package.json']);
      fs.readLocalFile.mockResolvedValue('{}');
      expect(await detectRepoFileConfig()).toEqual({});
      expect(logger.logger.debug).toHaveBeenCalledWith(
        'Existing config file no longer exists'
      );
    });

    it('uses package.json config if found', async () => {
      git.getFileList.mockResolvedValue(['package.json']);
      const pJson = JSON.stringify({
        name: 'something',