---
title: testutil package
description: The testutil package provides helper function for writing test cases.
url: https://docs.influxdata.com/flux/v0/stdlib/internal/testutil/
estimated_tokens: 253
product: Flux
version: v0
---

# testutil package

-   Flux 0.68.0+
-   View InfluxDB support

The `testutil` package provides helper function for writing test cases. Import the `internal/testutil` package:

```js
import "internal/testutil"
```

## Functions

-   [testutil.fail()](/flux/v0/stdlib/internal/testutil/fail/)
-   [testutil.makeAny()](/flux/v0/stdlib/internal/testutil/makeany/)
-   [testutil.makeRecord()](/flux/v0/stdlib/internal/testutil/makerecord/)
-   [testutil.yield()](/flux/v0/stdlib/internal/testutil/yield/)