---
title: influxdb3 test wal_plugin
description: The influxdb3 test wal_plugin command tests a write-ahead log (WAL) plugin.
url: https://docs.influxdata.com/influxdb3/core/reference/cli/influxdb3/test/wal_plugin/
estimated_tokens: 3261
product: InfluxDB 3 Core
version: core
---

# influxdb3 test wal\_plugin

The `influxdb3 test wal_plugin` command tests a write-ahead log (WAL) plugin.

## Usage

```bash
influxdb3 test wal_plugin [OPTIONS] --database <DATABASE_NAME> <PLUGIN_NAME>
```

## Arguments

-   **PLUGIN\_NAME**: The name of the plugin file on the server–for example: `<plugin-dir>/<plugin-file-name>.py`

## Options

| Option |  | Description |
| --- | --- | --- |
| -H | --host | Host URL of the running InfluxDB 3 Core server (default is http://127.0.0.1:8181) |
| -d | --database | (Required) Name of the database to operate on |
|  | --token | (Required) Authentication token |
|  | --lp | Line protocol to use as input |
|  | --file | Line protocol file to use as input |
|  | --input-arguments | Map of string key-value pairs as to use as plugin input arguments |
|  | --tls-ca | Path to a custom TLS certificate authority (for testing or self-signed certificates) |
|  | --tls-no-verify | Disable TLS certificate verification (Not recommended in production, useful for self-signed certificates) |
| -h | --help | Print help information |
|  | --help-all | Print detailed help information |

### Option environment variables

You can use the following environment variables to set command options:

| Environment Variable | Option |
| --- | --- |
| INFLUXDB3_HOST_URL | --host |
| INFLUXDB3_DATABASE_NAME | --database |
| INFLUXDB3_AUTH_TOKEN | --token |
| INFLUXDB3_TLS_NO_VERIFY | --tls-no-verify |

## Examples

-   [Test a WAL plugin](#test-a-wal-plugin)
-   [Test a WAL plugin with a line protocol string](#test-a-wal-plugin-with-a-line-protocol-string)
-   [Test a WAL plugin with a file containing line protocol](#test-a-wal-plugin-with-a-file-containing-line-protocol)
-   [Test a WAL plugin using input arguments](#test-a-wal-plugin-using-input-arguments)

In the examples below, replace the following:

-   `DATABASE_NAME`: Database name
-   `AUTH_TOKEN`: Authentication token
-   `PLUGIN_DIR`: Plugin directory name
-   `PLUGIN_NAME`: Plugin file name

### Test a WAL plugin

```bash
influxdb3 test wal_plugin \
  --database DATABASE_NAME \
  --token AUTH_TOKEN \
  PLUGIN_DIR/PLUGIN_NAME.py
```

### Test a WAL plugin with a line protocol string

```bash
influxdb3 test wal_plugin \
  --lp 'home,room=Kitchen temp=21.0,hum=35.9,co=0i' \
  --database DATABASE_NAME \
  --token AUTH_TOKEN \
  PLUGIN_DIR/PLUGIN_NAME.py
```

### Test a WAL plugin with a file containing line protocol

```bash
influxdb3 test wal_plugin \
  --file PLUGIN_DIR/PLUGIN_NAME_test/input-file.lp`
  --database DATABASE_NAME \
  --token AUTH_TOKEN \
  PLUGIN_DIR/PLUGIN_NAME.py
```

### Test a WAL plugin using input arguments

```bash
influxdb3 test wal_plugin \
  --input-arguments arg1=foo,arg2=baz \
  --database DATABASE_NAME \
  --token AUTH_TOKEN \
  PLUGIN_DIR/PLUGIN_NAME.py
```