LocatorLabs MCP Server

"use strict"; /** * Test Runner - Core test execution engine for LocatorLabs MCP * * @author Naveen AutomationLabs * @license MIT * @date 2025 * @see https://github.com/naveenanimation20/locatorlabs-mcp */ var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; var desc = Object.getOwnPropertyDescriptor(m, k); if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { desc = { enumerable: true, get: function() { return m[k]; } }; } Object.defineProperty(o, k2, desc); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; })); var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { Object.defineProperty(o, "default", { enumerable: true, value: v }); }) : function(o, v) { o["default"] = v; }); var __importStar = (this && this.__importStar) || (function () { var ownKeys = function(o) { ownKeys = Object.getOwnPropertyNames || function (o) { var ar = []; for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k; return ar; }; return ownKeys(o); }; return function (mod) { if (mod && mod.__esModule) return mod; var result = {}; if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]); __setModuleDefault(result, mod); return result; }; })(); Object.defineProperty(exports, "__esModule", { value: true }); exports.TestRunner = void 0; const playwright_1 = require("playwright"); const path = __importStar(require("path")); const os = __importStar(require("os")); class TestRunner { browser = null; async runTest(testName, steps, options = {}) { const startTime = Date.now(); const stepResults = []; let page = null; let screenshotPath; try { this.browser = await playwright_1.chromium.launch({ headless: options.headless ?? true, slowMo: options.slowMo ?? 0, }); const context = await this.browser.newContext({ viewport: { width: 1280, height: 720 }, }); page = await context.newPage(); for (const step of steps) { const stepStart = Date.now(); try { await this.executeStep(page, step); stepResults.push({ step: step.description, status: "passed", duration: Date.now() - stepStart, }); } catch (error) { const errorMsg = error instanceof Error ? error.message : String(error); stepResults.push({ step: step.description, status: "failed", duration: Date.now() - stepStart, error: errorMsg, }); // Take failure screenshot screenshotPath = path.join(os.tmpdir(), `test-failure-${Date.now()}.png`); await page.screenshot({ path: screenshotPath }); return { testName, status: "failed", duration: Date.now() - startTime, steps: stepResults, screenshotPath, error: errorMsg, }; } } // Take success screenshot screenshotPath = path.join(os.tmpdir(), `test-success-${Date.now()}.png`); await page.screenshot({ path: screenshotPath }); return { testName, status: "passed", duration: Date.now() - startTime, steps: stepResults, screenshotPath, }; } finally { if (this.browser) { await this.browser.close(); this.browser = null; } } } async executeStep(page, step) { const timeout = 10000; switch (step.action) { case "navigate": await page.goto(step.value, { waitUntil: "networkidle", timeout }); break; case "click": await this.getLocator(page, step.locator).click({ timeout }); break; case "fill": await this.getLocator(page, step.locator).fill(step.value, { timeout }); break; case "assert_visible": await this.getLocator(page, step.locator).waitFor({ state: "visible", timeout }); break; case "assert_text": const element = this.getLocator(page, step.locator); await element.waitFor({ state: "visible", timeout }); const text = await element.textContent(); if (!text?.includes(step.value)) { throw new Error(`Expected text "${step.value}" not found. Actual: "${text}"`); } break; case "screenshot": const ssPath = path.join(os.tmpdir(), `step-${Date.now()}.png`); await page.screenshot({ path: ssPath }); break; case "wait": await page.waitForTimeout(parseInt(step.value) || 1000); break; default: throw new Error(`Unknown action: ${step.action}`); } } getLocator(page, locatorStr) { // Parse Playwright locator strings if (locatorStr.startsWith("getByRole")) { const match = locatorStr.match(/getByRole\('(\w+)'(?:,\s*\{\s*name:\s*['"]([^'"]+)['"]\s*\})?\)/); if (match) return page.getByRole(match[1], match[2] ? { name: match[2] } : undefined); } if (locatorStr.startsWith("getByText")) { const match = locatorStr.match(/getByText\(['"]([^'"]+)['"]\)/); if (match) return page.getByText(match[1]); } if (locatorStr.startsWith("getByTestId")) { const match = locatorStr.match(/getByTestId\(['"]([^'"]+)['"]\)/); if (match) return page.getByTestId(match[1]); } if (locatorStr.startsWith("getByPlaceholder")) { const match = locatorStr.match(/getByPlaceholder\(['"]([^'"]+)['"]\)/); if (match) return page.getByPlaceholder(match[1]); } if (locatorStr.startsWith("getByLabel")) { const match = locatorStr.match(/getByLabel\(['"]([^'"]+)['"]\)/); if (match) return page.getByLabel(match[1]); } // Default to CSS/XPath selector return page.locator(locatorStr); } async generateTestScript(testName, steps, language = "typescript") { switch (language) { case "python": return this.generatePythonTest(testName, steps); case "javascript": return this.generateJavaScriptTest(testName, steps); default: return this.generateTypeScriptTest(testName, steps); } } generateTypeScriptTest(testName, steps) { const stepCode = steps.map((s) => this.stepToTypeScript(s)).join("\n"); return `import { test, expect } from '@playwright/test'; test('${testName}', async ({ page }) => { ${stepCode} }); `; } generateJavaScriptTest(testName, steps) { const stepCode = steps.map((s) => this.stepToTypeScript(s)).join("\n"); return `const { test, expect } = require('@playwright/test'); test('${testName}', async ({ page }) => { ${stepCode} }); `; } generatePythonTest(testName, steps) { const stepCode = steps.map((s) => this.stepToPython(s)).join("\n"); const funcName = testName.toLowerCase().replace(/\s+/g, "_"); return `import pytest from playwright.sync_api import Page, expect def test_${funcName}(page: Page): ${stepCode} `; } stepToTypeScript(step) { const indent = " "; switch (step.action) { case "navigate": return `${indent}// ${step.description}\n${indent}await page.goto('${step.value}');`; case "click": return `${indent}// ${step.description}\n${indent}await page.${step.locator}.click();`; case "fill": return `${indent}// ${step.description}\n${indent}await page.${step.locator}.fill('${step.value}');`; case "assert_visible": return `${indent}// ${step.description}\n${indent}await expect(page.${step.locator}).toBeVisible();`; case "assert_text": return `${indent}// ${step.description}\n${indent}await expect(page.${step.locator}).toContainText('${step.value}');`; case "wait": return `${indent}// ${step.description}\n${indent}await page.waitForTimeout(${step.value});`; default: return `${indent}// ${step.description}`; } } stepToPython(step) { const indent = " "; const pyLocator = step.locator ?.replace(/getByRole/g, "get_by_role") .replace(/getByText/g, "get_by_text") .replace(/getByTestId/g, "get_by_test_id") .replace(/getByPlaceholder/g, "get_by_placeholder") .replace(/getByLabel/g, "get_by_label"); switch (step.action) { case "navigate": return `${indent}# ${step.description}\n${indent}page.goto('${step.value}')`; case "click": return `${indent}# ${step.description}\n${indent}page.${pyLocator}.click()`; case "fill": return `${indent}# ${step.description}\n${indent}page.${pyLocator}.fill('${step.value}')`; case "assert_visible": return `${indent}# ${step.description}\n${indent}expect(page.${pyLocator}).to_be_visible()`; case "assert_text": return `${indent}# ${step.description}\n${indent}expect(page.${pyLocator}).to_contain_text('${step.value}')`; case "wait": return `${indent}# ${step.description}\n${indent}page.wait_for_timeout(${step.value})`; default: return `${indent}# ${step.description}`; } } } exports.TestRunner = TestRunner; //# sourceMappingURL=test-runner.js.map