---
title: Flux testing functions
description: Flux testing functions test piped-forward data in specific ways and return errors if the tests fail.
menu:
  v2_0_ref:
    name: Tests
    parent: Flux functions
weight: 5
---

Flux testing functions test piped-forward data in specific ways and return errors if the tests fail.
The following testing functions are available:

{{< children type="functions" >}}