mirror of https://github.com/garrytan/gstack.git
91 lines
4.0 KiB
TypeScript
91 lines
4.0 KiB
TypeScript
import { describe, test, expect, afterAll } from 'bun:test';
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import * as fs from 'fs';
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import * as path from 'path';
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// Load the polyfill into a fresh object (don't clobber globalThis.Bun)
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const polyfillPath = path.resolve(import.meta.dir, '../src/bun-polyfill.cjs');
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describe('bun-polyfill', () => {
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// We test the polyfill by requiring it in a subprocess under Node.js
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// since it's designed for Node, not Bun.
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test('Bun.sleep resolves after delay', async () => {
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const result = Bun.spawnSync(['node', '-e', `
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require('${polyfillPath}');
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(async () => {
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const start = Date.now();
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await Bun.sleep(50);
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const elapsed = Date.now() - start;
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console.log(elapsed >= 40 ? 'OK' : 'TOO_FAST');
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})();
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`], { stdout: 'pipe', stderr: 'pipe' });
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expect(result.stdout.toString().trim()).toBe('OK');
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expect(result.exitCode).toBe(0);
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});
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test('Bun.spawnSync runs a command and returns stdout', () => {
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const result = Bun.spawnSync(['node', '-e', `
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require('${polyfillPath}');
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const r = Bun.spawnSync(['echo', 'hello'], { stdout: 'pipe' });
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console.log(r.stdout.toString().trim());
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console.log('exit:' + r.exitCode);
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`], { stdout: 'pipe', stderr: 'pipe' });
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const lines = result.stdout.toString().trim().split('\n');
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expect(lines[0]).toBe('hello');
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expect(lines[1]).toBe('exit:0');
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});
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test('Bun.spawn launches a process with pid', async () => {
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const result = Bun.spawnSync(['node', '-e', `
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require('${polyfillPath}');
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const p = Bun.spawn(['echo', 'test'], { stdio: ['pipe', 'pipe', 'pipe'] });
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console.log(typeof p.pid === 'number' ? 'HAS_PID' : 'NO_PID');
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console.log(typeof p.kill === 'function' ? 'HAS_KILL' : 'NO_KILL');
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console.log(typeof p.unref === 'function' ? 'HAS_UNREF' : 'NO_UNREF');
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`], { stdout: 'pipe', stderr: 'pipe' });
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const lines = result.stdout.toString().trim().split('\n');
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expect(lines[0]).toBe('HAS_PID');
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expect(lines[1]).toBe('HAS_KILL');
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expect(lines[2]).toBe('HAS_UNREF');
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});
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test('spawn and spawnSync pass windowsHide (no console flash from console-less daemons)', () => {
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// Static tripwire (#2151): on Windows the browse server always runs
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// under Node via this polyfill, and node's child_process defaults to
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// windowsHide: false — so every subprocess the console-less daemon
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// spawns (terminal-agent respawns, git, icacls) pops a visible console
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// window. Both spawn paths must pass windowsHide: true, and spawn must
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// forward `detached` for daemon children. Behavioral assertion isn't
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// possible cross-platform (window creation is invisible to the child),
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// hence source-level pinning.
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const src = fs.readFileSync(polyfillPath, 'utf-8');
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const spawnSyncBlock = src.slice(src.indexOf('spawnSync(cmd'), src.indexOf('spawn(cmd'));
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const spawnBlock = src.slice(src.indexOf('spawn(cmd'));
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expect(spawnSyncBlock).toContain('windowsHide: true');
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expect(spawnBlock).toContain('windowsHide: true');
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expect(spawnBlock).toContain('detached: options.detached');
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});
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test('Bun.serve creates an HTTP server that responds', async () => {
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const result = Bun.spawnSync(['node', '-e', `
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require('${polyfillPath}');
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const server = Bun.serve({
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port: 0, // Note: polyfill uses port directly, so we pick one
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hostname: '127.0.0.1',
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fetch(req) {
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return new Response(JSON.stringify({ ok: true }), {
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headers: { 'Content-Type': 'application/json' },
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});
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},
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});
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// The polyfill doesn't support port 0, so we test the object shape
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console.log(typeof server.stop === 'function' ? 'HAS_STOP' : 'NO_STOP');
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console.log(typeof server.port === 'number' ? 'HAS_PORT' : 'NO_PORT');
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server.stop();
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`], { stdout: 'pipe', stderr: 'pipe' });
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const lines = result.stdout.toString().trim().split('\n');
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expect(lines[0]).toBe('HAS_STOP');
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expect(lines[1]).toBe('HAS_PORT');
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});
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});
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