#!/usr/bin/env node
// WSL Emulator for cross-platform testing
// Mimics basic wsl.exe behavior for development and testing
import { spawnSync } from 'child_process';
import path from 'path';
import fs from 'fs';
const args = process.argv.slice(2);
// Mock file system for 'ls' command emulation
const mockFileSystem = {
'/tmp': [
// Mimicking 'ls -la /tmp' output structure for simplicity, even if not all details are used by tests
'total 0',
'drwxrwxrwt 2 root root 40 Jan 1 00:00 .',
'drwxr-xr-x 20 root root 480 Jan 1 00:00 ..'
// Add more mock files/dirs for /tmp if needed by other tests, e.g., 'somefile.txt'
],
// Example: Add other mock paths as needed by tests
// '/mnt/c/Users/testuser/docs': ['document1.txt', 'report.pdf'],
};
// Handle WSL list distributions command
if ((args.includes('-l') || args.includes('--list')) &&
(args.includes('-v') || args.includes('--verbose'))) {
console.log('NAME STATE VERSION');
console.log('* Ubuntu-Test Running 2');
process.exit(0);
}
// Handle command execution with -e flag
if (args[0] === '-e') {
if (args.length < 2) {
console.error('Error: No command provided after -e flag.');
console.error('Usage: wsl-emulator -e <command>');
process.exit(1);
}
// Get the command and its arguments
const command = args[1];
const commandArgs = args.slice(2);
// Special handling for common test commands
switch (command) {
case 'pwd':
// Use original WSL path if available (when called from server)
if (process.env.WSL_ORIGINAL_PATH) {
console.log(process.env.WSL_ORIGINAL_PATH);
} else {
// When called directly (like in standalone tests), return actual directory
console.log(process.cwd());
}
process.exit(0);
break;
case 'exit':
if (commandArgs.length === 1) {
const exitCode = parseInt(commandArgs[0], 10);
if (!isNaN(exitCode)) {
process.exit(exitCode);
}
}
process.exit(0);
break;
case 'ls':
const pathArg = commandArgs.find(arg => arg.startsWith('/'));
if (pathArg) {
// Path argument provided, use mockFileSystem
if (mockFileSystem.hasOwnProperty(pathArg)) {
mockFileSystem[pathArg].forEach(item => console.log(item));
process.exit(0);
} else {
console.error(`ls: cannot access '${pathArg}': No such file or directory`);
process.exit(2);
}
} else {
// No path argument, list contents of process.cwd()
try {
const files = fs.readdirSync(process.cwd());
files.forEach(file => {
console.log(file); // Test 5.1.1 expects to find 'src'
});
process.exit(0);
} catch (e) {
console.error(`ls: cannot read directory '.': ${e.message}`);
process.exit(2);
}
}
break;
case 'echo':
console.log(commandArgs.join(' '));
process.exit(0);
break;
case 'uname':
if (commandArgs.includes('-a')) {
console.log('Linux Ubuntu-Test 5.10.0-0-generic #0-Ubuntu SMP x86_64 GNU/Linux');
process.exit(0);
}
break;
}
// For other commands, try to execute them
try {
const result = spawnSync(command, commandArgs, {
stdio: 'inherit',
shell: true,
env: { ...process.env, WSL_DISTRO_NAME: 'Ubuntu-Test' }
});
process.exit(result.status || 0);
} catch (error) {
console.error(`Command execution failed: ${error.message}`);
process.exit(127);
}
}
// If no recognized command, show error
console.error('Error: Invalid arguments. Expected -e <command> OR --list --verbose');
console.error('Received:', args.join(' '));
process.exit(1);
