E2E tests that read like specs

Vanya is a constrained DSL for end-to-end tests. Write once, transpile to Python, JavaScript, and more.

Get Started GitHub

📖

Readable

Tests read like specifications. No boilerplate, no ceremony.

🔄

Portable

Write once, transpile to Playwright, Requests, Cypress, and more.

🛡️

Type-safe

Static analysis catches errors before runtime. Plugin schemas validate your tests.

🧩

Extensible

Add new frameworks with TOML plugin files. No code changes required.

Write this, get that

Vanya transpiles your readable test specs into production-ready test code for your framework of choice.

vanya 0.1
"User can log in"

within Browser (plugin: playwright-python, type: browser)
  go to "https://example.com/login"
  type "user@example.com" into "Email"
  type "password123" into "Password"
  click "Sign In"
  see "Welcome back"

test_login.py (generated)

# Generated by vanya
from playwright.sync_api import sync_playwright

def test_user_can_log_in():
    with sync_playwright() as p:
        browser = p.chromium.launch()
        page = browser.new_page()
        page.goto("https://example.com/login")
        page.fill("[placeholder='Email']", "user@example.com")
        page.fill("[placeholder='Password']", "password123")
        page.click("text=Sign In")
        assert page.locator("text=Welcome back").is_visible()
        browser.close()

Install in seconds

npm install -g vanya