visit-not-ignored-files.spec.ts

import { createTree } from '../tests/create-tree';
import type { Tree } from 'nx/src/config/tree';
import { visitNotIgnoredFiles } from './visit-not-ignored-files';

describe('visitNotIgnoredFiles', () => {
  let tree: Tree;

  beforeEach(() => {
    tree = createTree();
  });

  it('should visit files recursively in a directory', () => {
    tree.write('dir/file1.ts', '');
    tree.write('dir/dir2/file2.ts', '');

    const visitor = jest.fn();
    visitNotIgnoredFiles(tree, 'dir', visitor);

    expect(visitor).toHaveBeenCalledWith('dir/file1.ts');
    expect(visitor).toHaveBeenCalledWith('dir/dir2/file2.ts');
  });

  it('should not visit ignored files in a directory', () => {
    tree.write('.gitignore', 'node_modules');

    tree.write('dir/file1.ts', '');
    tree.write('dir/node_modules/file1.ts', '');
    tree.write('dir/dir2/file2.ts', '');

    const visitor = jest.fn();
    visitNotIgnoredFiles(tree, 'dir', visitor);

    expect(visitor).toHaveBeenCalledWith('dir/file1.ts');
    expect(visitor).toHaveBeenCalledWith('dir/dir2/file2.ts');
    expect(visitor).not.toHaveBeenCalledWith('dir/node_modules/file1.ts');
  });

  it.each(['', '.', '/', './'])(
    'should be able to visit the root path "%s"',
    (dirPath) => {
      tree.write('.gitignore', 'node_modules');

      tree.write('dir/file1.ts', '');
      tree.write('dir/node_modules/file1.ts', '');
      tree.write('dir/dir2/file2.ts', '');

      const visitor = jest.fn();
      visitNotIgnoredFiles(tree, dirPath, visitor);

      expect(visitor).toHaveBeenCalledWith('.gitignore');
      expect(visitor).toHaveBeenCalledWith('dir/file1.ts');
      expect(visitor).toHaveBeenCalledWith('dir/dir2/file2.ts');
      expect(visitor).not.toHaveBeenCalledWith('dir/node_modules/file1.ts');
    }
  );
});