documentation/__tests__/lib/git/find_git.js

import mock from 'mock-fs';
import { mockRepo } from '../../utils.js';
import path from 'path';
import findGit from '../../../src/git/find_git.js';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

test('findGit', function () {
  mock(mockRepo.master);
  const root =
    path.parse(__dirname).root + path.join('my', 'repository', 'path');
  const masterPaths = findGit(path.join(root, 'index.js'));
  mock.restore();

  expect(masterPaths).toEqual({
    git: path.join(root, '.git'),
    root
  });

  mock(mockRepo.submodule);
  const submoduleRoot = path.join(root, '..', 'my.submodule');
  const submodulePaths = findGit(path.join(submoduleRoot, 'index.js'));
  mock.restore();

  expect(submodulePaths).toEqual({
    git: path.join(
      path.dirname(submoduleRoot),
      '.git',
      'modules',
      'my.submodule'
    ),
    root: submoduleRoot
  });
});