πŸš€ Free During Beta β€’ ✦ No Credit Card Needed β€’ ✦ Works Locally

AI-Generated Unit Tests.
Delivered in Seconds.

A next-generation test generator for PHP, JavaScript, and TypeScript. Craft perfect unit tests instantly using an elegant, developer-first CLI powered by cutting-edge AI.

Terminal
$ testgen generate src/UserService.php
β ‹ Analyzing file…
βœ” Test suite generated
βœ” Saved β†’ tests/UserServiceTest.php

Why Developers Love TestGen

Built for engineers who care about quality. Designed for the modern development workflow.

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Ultra-Fast Test Generation

AI-generated unit tests in seconds β€” not hours. Backed by a specially tuned model built for code understanding.

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A Beautiful CLI Experience

Modern UX: spinners, progress indicators, colored diffs, clean logs. Feels like a premium developer tool.

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Zero Configuration

No setup. No boilerplate. Automatically detects language, frameworks, and project structure.

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Smart Test Coverage

Understands functions, branches, conditions, and dependencies. Produces meaningful test cases, not placeholders.

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Diff & Preview Mode

Review, edit, or confirm before saving tests. High-confidence workflows for teams.

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Reliable File Validation

Detects invalid paths, unsupported extensions, oversized files, and more β€” before running generation.

Get Started in 3 Easy Steps

1

Install the CLI

npm install -g @testgen/cli
2

Login

testgen login

Enter your email and password to authenticate

3

Generate Tests

testgen generate src/UserService.php

Watch as AI creates comprehensive test suites instantly

Built for Engineers Who Care About Quality

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Crafted using robust AST parsing

Deep code analysis for accurate test generation

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Powered by enterprise-grade AI reasoning

State-of-the-art models fine-tuned for code

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Designed for CI/CD pipelines

Seamless integration with your existing workflow

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Works seamlessly with PHPUnit & Jest

Native support for industry-standard frameworks

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Your code stays local β€” privacy-first design

No data collection, no code storage

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Actively tested on real-world repositories

Battle-tested across thousands of files

Coming Soon for Pro Users

Premium features on the roadmap β€” help shape the future by joining the beta today

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Multi-File Analysis

Generate tests across modules and services

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Smart Mocking & Stubs

Auto-generate mocks for repositories, services, and interfaces

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Dependency Map Visualizer

Understand coverage gaps with clear AI-generated diagrams

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Team Usage Dashboard

Track test generation across teams and environments

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API Keys + Usage Limits

Secure programmatic access with quota controls

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Enterprise Support

Priority support and custom integrations

Supported Languages

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PHP

PHPUnit

Full support for modern PHP

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JavaScript

Jest

ES6+ and modern JS

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TypeScript

Jest

Type-safe test generation

Join the Free Beta

Be among the first to experience the next generation of automated testing.

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Instant access to TestGen CLI

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Priority support

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Ability to influence roadmap

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Free usage during beta