60 lines
1.9 KiB
TypeScript
60 lines
1.9 KiB
TypeScript
import { describe, it, expect, beforeEach } from 'vitest';
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import os from 'node:os';
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import fs from 'node:fs';
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import path from 'node:path';
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import { writePidfile, readPidfile, cleanPidfile, isProcessAlive } from '../pidfile.js';
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describe('pidfile management', () => {
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let testDir: string;
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beforeEach(() => {
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testDir = path.join(os.tmpdir(), `visionl-pidfile-test-${Date.now()}-${Math.random().toString(36).slice(2)}`);
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// clean up before in case previous run left files
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try { fs.rmSync(testDir, { recursive: true, force: true }); } catch { /* ignore */ }
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fs.mkdirSync(testDir, { recursive: true });
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});
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it('writePidfile writes pid and port files, readPidfile reads them back', () => {
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writePidfile(12345, 9527, testDir);
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const result = readPidfile(testDir);
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expect(result).toEqual({ pid: 12345, port: 9527 });
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});
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it('readPidfile returns null when pidfile does not exist', () => {
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const result = readPidfile(testDir);
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expect(result).toBeNull();
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});
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it('readPidfile returns null when pidfile has invalid content', () => {
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writePidfile(12345, 9527, testDir);
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// overwrite with invalid data
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fs.writeFileSync(path.join(testDir, 'daemon.pid'), 'not-a-number');
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const result = readPidfile(testDir);
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expect(result).toBeNull();
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});
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it('cleanPidfile removes both pid and port files', () => {
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writePidfile(12345, 9527, testDir);
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cleanPidfile(testDir);
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expect(fs.existsSync(path.join(testDir, 'daemon.pid'))).toBe(false);
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expect(fs.existsSync(path.join(testDir, 'daemon.port'))).toBe(false);
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});
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it('cleanPidfile is safe when files do not exist', () => {
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// should not throw
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expect(() => cleanPidfile(testDir)).not.toThrow();
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});
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it('isProcessAlive returns true for the current process', () => {
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expect(isProcessAlive(process.pid)).toBe(true);
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});
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it('isProcessAlive returns false for a non-existent PID', () => {
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expect(isProcessAlive(99999999)).toBe(false);
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});
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});
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