jest-after-this

import { afterThis } from 'jest-after-this'; import fs from 'fs'; import path from 'path'; // A helper function that creates a temporary file and schedules its cleanup function createTempFileForTest(filename: string) { const filePath = path.join(__dirname, 'temp', filename); if (!fs.existsSync(path.dirname(filePath))) { fs.mkdirSync(path.dirname(filePath), { recursive: true }); } fs.writeFileSync(filePath, `Content for ${filename}`); afterThis(() => { try { fs.rmSync(filePath); console.log(`Cleaned up: ${filePath}`); } catch (error) { console.error(`Failed to clean up ${filePath}:`, error.message); } }); return filePath; } describe('File operations', () => { it('should create one temporary file and clean it up', () => { const file1 = createTempFileForTest('test-file-1.txt'); expect(fs.existsSync(file1)).toBe(true); // After this test, file1 will be deleted by the afterThis hook }); it('should create multiple temporary files and clean them up', () => { const file2 = createTempFileForTest('test-file-2.txt'); const file3 = createTempFileForTest('test-file-3.txt'); expect(fs.existsSync(file2)).toBe(true); expect(fs.existsSync(file3)).toBe(true); // After this test, file3 then file2 will be deleted by their respective afterThis hooks }); afterAll(() => { // Ensure the temp directory itself is clean after all tests const tempDir = path.join(__dirname, 'temp'); if (fs.existsSync(tempDir)) { fs.rmSync(tempDir, { recursive: true, force: true }); console.log(`Cleaned up temp directory: ${tempDir}`); } }); });