# Generate test values with JavaScript generators

Canonical source : [Generate test values with JavaScript generators](<https://sebastien.rigaux.be/en/tech-watch/links/generate-test-values-with-javascript-generators>)

This note explores composing generators to test TypeScript type predicates. It connects generated test values with checking the reliability of validation functions.

- Selected on : 2025-01-25

- Resource publication : 2025-01-18

- Entry updated : 2026-11-07T20:32:37+0000

- Format : Article

- Source language : EN

Original resource : [Generate test values with JavaScript generators](<https://github.com/peter-leonov/type-predicate-generator/issues/18>)

Tags : [Testing](<https://sebastien.rigaux.be/en/tech-watch/tags/testing>) · [TypeScript](<https://sebastien.rigaux.be/en/tech-watch/tags/typescript>) · [JavaScript](<https://sebastien.rigaux.be/en/tech-watch/tags/javascript>)

Available versions : [Français](<https://sebastien.rigaux.be/veille/liens/generer-des-valeurs-de-test-avec-les-generateurs-javascript>) · [English](<https://sebastien.rigaux.be/en/tech-watch/links/generate-test-values-with-javascript-generators>)

[Back to tech watch](<https://sebastien.rigaux.be/en/tech-watch>)