# Testing

Entries tagged with "Testing".

Unknown Classes Intermediate

The Sleep Class

A testable, expressive wrapper around PHP's sleep functions with a fluent API.

Testing Helpers
Unknown Classes Intermediate

The Lottery Class

Execute a callback with a given probability — perfect for sampling, feature flags, and A/B testing without external services.

Testing Helpers
Hidden Methods Advanced

Str::createUuidsUsing()

Override UUID generation in tests with predictable values — make your tests deterministic without mocking.

Testing Helpers