Lokalise MCP Server

import { spawn } from "node:child_process"; import { join } from "node:path"; import { expect } from "vitest"; /** * Utility for testing CLI commands with real execution */ export const CliTestUtil = { /** * Executes a CLI command and returns the result * * @param args - CLI arguments to pass to the command * @param options - Test options * @returns Promise with stdout, stderr, and exit code */ async runCommand( args: string[], options: { timeoutMs?: number; env?: Record<string, string>; } = {}, ): Promise<{ stdout: string; stderr: string; exitCode: number; }> { // Default timeout of 30 seconds const timeoutMs = options.timeoutMs || 30000; // CLI execution path - points to the built CLI script const cliPath = join(process.cwd(), "dist", "index.js"); // Log what command we're about to run console.log(`Running CLI command: node ${cliPath} ${args.join(" ")}`); return new Promise((resolve, reject) => { // Set up timeout handler const timeoutId = setTimeout(() => { child.kill(); reject(new Error(`CLI command timed out after ${timeoutMs}ms`)); }, timeoutMs); // Capture stdout and stderr let stdout = ""; let stderr = ""; // Spawn the process with given arguments and enhanced environment const child = spawn("node", [cliPath, ...args], { env: { ...process.env, ...options.env, DEBUG: "true", // Enable debug logging NODE_ENV: "test", // Ensure tests are detected }, }); // Collect stdout data child.stdout.on("data", (data) => { const chunk = data.toString(); stdout += chunk; console.log(`STDOUT chunk: ${chunk.substring(0, 50)}...`); }); // Collect stderr data child.stderr.on("data", (data) => { const chunk = data.toString(); stderr += chunk; console.log(`STDERR chunk: ${chunk.substring(0, 50)}...`); }); // Handle process completion child.on("close", (exitCode) => { clearTimeout(timeoutId); console.log(`Command completed with exit code: ${exitCode}`); console.log(`Total STDOUT length: ${stdout.length} chars`); // Get the non-debug output for debugging purposes const nonDebugOutput = stdout .split("\n") .filter((line) => !line.match(/^\[\d{2}:\d{2}:\d{2}\]/)) .join("\n"); console.log(`Non-debug output length: ${nonDebugOutput.length} chars`); console.log(`STDOUT excerpt: ${stdout.substring(0, 100)}...`); console.log(`Filtered excerpt: ${nonDebugOutput.substring(0, 100)}...`); resolve({ stdout, stderr, exitCode: exitCode ?? 0, }); }); // Handle process errors child.on("error", (err) => { clearTimeout(timeoutId); console.error(`Command error: ${err.message}`); reject(err); }); }); }, /** * Validates that stdout contains expected strings/patterns */ validateOutputContains( output: string, expectedPatterns: (string | RegExp)[], ): void { // Filter out debug log lines for cleaner validation const cleanOutput = output .split("\n") .filter((line) => !line.match(/^\[\d{2}:\d{2}:\d{2}\]/)) .join("\n"); console.log("==== Cleaned output for validation ===="); console.log(cleanOutput); console.log("======================================="); for (const pattern of expectedPatterns) { if (typeof pattern === "string") { expect(cleanOutput).toContain(pattern); } else { expect(cleanOutput).toMatch(pattern); } } }, /** * Validates Markdown output format */ validateMarkdownOutput(output: string): void { // Filter out debug log lines for cleaner validation const cleanOutput = output .split("\n") .filter((line) => !line.match(/^\[\d{2}:\d{2}:\d{2}\]/)) .join("\n"); // Check for Markdown heading expect(cleanOutput).toMatch(/^#\s.+/m); // Check for markdown formatting elements like bold text, lists, etc. const markdownElements = [ /\*\*.+\*\*/, // Bold text /-\s.+/, // List items /\|.+\|.+\|/, // Table rows /\[.+\]\(.+\)/, // Links ]; expect(markdownElements.some((pattern) => pattern.test(cleanOutput))).toBe( true, ); }, };