import { describe, it, expect, beforeEach, afterEach } from 'bun:test';
import { existsSync, readFileSync } from 'fs';
import { homedir } from 'os';
import path from 'path';
import {
writePidFile,
readPidFile,
removePidFile,
getPlatformTimeout,
type PidInfo
} from '../../src/core/infrastructure/index.js';
const DATA_DIR = path.join(homedir(), '.claude-recall');
const PID_FILE = path.join(DATA_DIR, 'worker.pid');
describe('ProcessManager', () => {
// Store original PID file content if it exists
let originalPidContent: string | null = null;
beforeEach(() => {
// Backup existing PID file if present
if (existsSync(PID_FILE)) {
originalPidContent = readFileSync(PID_FILE, 'utf-8');
}
});
afterEach(() => {
// Restore original PID file or remove test one
if (originalPidContent !== null) {
const { writeFileSync } = require('fs');
writeFileSync(PID_FILE, originalPidContent);
originalPidContent = null;
} else {
removePidFile();
}
});
describe('writePidFile', () => {
it('should create file with PID info', () => {
const testInfo: PidInfo = {
pid: 12345,
port: 37777,
startedAt: new Date().toISOString()
};
writePidFile(testInfo);
expect(existsSync(PID_FILE)).toBe(true);
const content = JSON.parse(readFileSync(PID_FILE, 'utf-8'));
expect(content.pid).toBe(12345);
expect(content.port).toBe(37777);
expect(content.startedAt).toBe(testInfo.startedAt);
});
it('should overwrite existing PID file', () => {
const firstInfo: PidInfo = {
pid: 11111,
port: 37777,
startedAt: '2024-01-01T00:00:00.000Z'
};
const secondInfo: PidInfo = {
pid: 22222,
port: 37888,
startedAt: '2024-01-02T00:00:00.000Z'
};
writePidFile(firstInfo);
writePidFile(secondInfo);
const content = JSON.parse(readFileSync(PID_FILE, 'utf-8'));
expect(content.pid).toBe(22222);
expect(content.port).toBe(37888);
});
});
describe('readPidFile', () => {
it('should return PidInfo object for valid file', () => {
const testInfo: PidInfo = {
pid: 54321,
port: 37999,
startedAt: '2024-06-15T12:00:00.000Z'
};
writePidFile(testInfo);
const result = readPidFile();
expect(result).not.toBeNull();
expect(result!.pid).toBe(54321);
expect(result!.port).toBe(37999);
expect(result!.startedAt).toBe('2024-06-15T12:00:00.000Z');
});
it('should return null for missing file', () => {
// Ensure file doesn't exist
removePidFile();
const result = readPidFile();
expect(result).toBeNull();
});
it('should return null for corrupted JSON', () => {
const { writeFileSync } = require('fs');
writeFileSync(PID_FILE, 'not valid json {{{');
const result = readPidFile();
expect(result).toBeNull();
});
});
describe('removePidFile', () => {
it('should delete existing file', () => {
const testInfo: PidInfo = {
pid: 99999,
port: 37777,
startedAt: new Date().toISOString()
};
writePidFile(testInfo);
expect(existsSync(PID_FILE)).toBe(true);
removePidFile();
expect(existsSync(PID_FILE)).toBe(false);
});
it('should not throw for missing file', () => {
// Ensure file doesn't exist
removePidFile();
expect(existsSync(PID_FILE)).toBe(false);
// Should not throw
expect(() => removePidFile()).not.toThrow();
});
});
describe('getPlatformTimeout', () => {
const originalPlatform = process.platform;
afterEach(() => {
Object.defineProperty(process, 'platform', {
value: originalPlatform,
writable: true,
configurable: true
});
});
it('should return same value on non-Windows platforms', () => {
Object.defineProperty(process, 'platform', {
value: 'darwin',
writable: true,
configurable: true
});
const result = getPlatformTimeout(1000);
expect(result).toBe(1000);
});
it('should return doubled value on Windows', () => {
Object.defineProperty(process, 'platform', {
value: 'win32',
writable: true,
configurable: true
});
const result = getPlatformTimeout(1000);
expect(result).toBe(2000);
});
it('should apply 2.0x multiplier consistently on Windows', () => {
Object.defineProperty(process, 'platform', {
value: 'win32',
writable: true,
configurable: true
});
expect(getPlatformTimeout(500)).toBe(1000);
expect(getPlatformTimeout(5000)).toBe(10000);
expect(getPlatformTimeout(100)).toBe(200);
});
it('should round Windows timeout values', () => {
Object.defineProperty(process, 'platform', {
value: 'win32',
writable: true,
configurable: true
});
// 2.0x of 333 = 666 (rounds to 666)
const result = getPlatformTimeout(333);
expect(result).toBe(666);
});
});
});