meld/services/fs/FileSystemService/PathOperationsService.test.ts

Meld: A template language for LLM prompts

import { describe, it, expect } from 'vitest';
import { PathOperationsService } from './PathOperationsService';
import path from 'path';

describe('PathOperationsService', () => {
  let service: PathOperationsService;

  beforeEach(() => {
    service = new PathOperationsService();
  });

  describe('Path operations', () => {
    it('joins paths', () => {
      expect(service.join('project', 'nested', 'file.txt'))
        .toBe('project/nested/file.txt');
    });

    it('resolves paths', () => {
      expect(service.resolve('project/nested', '../file.txt'))
        .toBe(path.resolve('project/file.txt'));
    });

    it('gets dirname', () => {
      expect(service.dirname('project/nested/file.txt'))
        .toBe('project/nested');
    });

    it('gets basename', () => {
      expect(service.basename('project/nested/file.txt'))
        .toBe('file.txt');
    });

    it('normalizes paths', () => {
      expect(service.normalize('project/./nested/../file.txt'))
        .toBe('project/file.txt');
    });

    it('checks if path is absolute', () => {
      expect(service.isAbsolute('/absolute/path')).toBe(true);
      expect(service.isAbsolute('relative/path')).toBe(false);
    });

    it('gets relative path', () => {
      expect(service.relative('/base/dir', '/base/dir/sub/file.txt'))
        .toBe('sub/file.txt');
      expect(service.relative('/base/dir', '/other/dir'))
        .toBe('../../other/dir');
    });

    it('parses paths', () => {
      const parsed = service.parse('/base/dir/file.txt');
      expect(parsed).toEqual({
        root: '/',
        dir: '/base/dir',
        base: 'file.txt',
        ext: '.txt',
        name: 'file'
      });
    });
  });
});