Send your source code to our API. Get back production-ready unit tests with edge cases, mocks, and full framework support. No prompt engineering required.
Developers spend 30% of their time writing tests. Generic AI tools make it worse, not better.
ChatGPT and Copilot generate tests that look right but miss the edge cases that matter. They don't understand your testing framework's idioms or your project's patterns.
You paste code into an AI, get back something half-working, then spend an hour fixing imports, mocks, and assertions. The "time saved" becomes time wasted.
Null inputs, boundary values, async race conditions, error paths. Generic tools test the happy path and call it a day. Real bugs hide in the edges.
One API call. Production-ready tests. Framework-native output with real edge case coverage.
Built exclusively for test generation. Every model parameter, every prompt, every output format is optimized for writing tests — not chat, not code completion, just tests.
Specify pytest, jest, junit, vitest, or go test and get idiomatic tests that follow each framework's conventions, including fixtures, parameterized tests, and proper assertions.
Every generated test suite includes null handling, boundary values, error paths, and type coercion tests. The things you always forget to test, covered automatically.
Drop it into your pipeline. Run test generation on every PR. Auto-generate missing tests for changed files. Works with GitHub Actions, GitLab CI, and any HTTP-capable runner.
Send a function, get back a complete test suite. Here's what that looks like.
# cart.py def calculate_total(items, discount_code=None): """Calculate cart total with optional discount.""" if not items: raise ValueError("Cart is empty") subtotal = sum( item["price"] * item["qty"] for item in items ) if discount_code == "HALF": subtotal *= 0.5 elif discount_code == "10OFF": subtotal -= 10 return round(max(subtotal, 0), 2)
import pytest from cart import calculate_total class TestCalculateTotal: def test_single_item(self): items = [{"price": 9.99, "qty": 2}] assert calculate_total(items) == 19.98 def test_discount_half(self): items = [{"price": 40, "qty": 1}] assert calculate_total(items, "HALF") == 20.0 def test_discount_10off_floors_at_zero(self): items = [{"price": 5, "qty": 1}] assert calculate_total(items, "10OFF") == 0 def test_empty_cart_raises(self): with pytest.raises(ValueError): calculate_total([]) def test_unknown_discount_ignored(self): items = [{"price": 10, "qty": 1}] assert calculate_total(items, "FAKE") == 10
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