loqatevars/tests/findMatchingFilesDetailed.test.js

Locate JavaScript files with 'const' or 'process.env' usage in LLM-generated codebases

// Mock globby to avoid ESM loading issues
jest.mock('globby');
const { findMatchingFilesDetailed } = require('../lib/utils');
const fs = require('fs-extra');
const path = require('path');

describe('findMatchingFilesDetailed', () => {
  const testDir = path.join(__dirname, 'detailed-data');

  beforeAll(() => {
    fs.ensureDirSync(testDir);
    fs.writeFileSync(path.join(testDir, 'file1.js'), 'const x = 1;');
    fs.writeFileSync(path.join(testDir, 'file2.js'), 'process.env.USER;');
  });

  afterAll(() => {
    fs.removeSync(testDir);
  });

  test('should return details for matching files', async () => {
    const result = await findMatchingFilesDetailed(testDir, []);
    expect(result.matches.length).toBe(2);
    const paths = result.matches.map(m => m.relativePath);
    expect(paths).toContain('file1.js');
    expect(paths).toContain('file2.js');
    expect(result.summary.scannedFiles).toBe(2);
    expect(result.summary.matchingFiles).toBe(2);
  });

  test('should throw error for invalid directory', async () => {
    await expect(findMatchingFilesDetailed('./nonexistent')).rejects.toThrow('DIRECTORY_NOT_FOUND');
  });

  test('should classify reasons for each file case', async () => {
    const caseDir = path.join(__dirname, 'reason-data');
    try {
      fs.ensureDirSync(caseDir); // ensure test directory
      fs.writeFileSync(path.join(caseDir, 'envOnly.js'), 'console.log(process.env.API_KEY);');
      fs.writeFileSync(path.join(caseDir, 'constOnly.js'), 'const a = 1;');
      fs.writeFileSync(path.join(caseDir, 'both.js'), 'const b = 2; console.log(process.env.NODE_ENV);');

      const result = await findMatchingFilesDetailed(caseDir, []);
      expect(result.matches.length).toBe(3);

      const reasons = {};
      result.matches.forEach(m => { reasons[m.relativePath] = m.reason; });

      expect(reasons['envOnly.js']).toBe('process.env');
      expect(reasons['constOnly.js']).toBe('variables');
      expect(reasons['both.js']).toBe('both');
    } finally {
      fs.removeSync(caseDir); // cleanup
    }
  });
});