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Also replace “localhost” with the hostname of your database.

Replace “root” with the username of your database and replace ” with the database password. Now, run this command: bash bin/install-wp-tests.sh wordpress_test root '' localhost latest

These files are the foundation of our plugin’s test suite. cd wp-content/plugins/restrict-content-pro If you now navigate to your plugin’s folder and type ls -l, you will see several new files and folders added. This will generate all of the files needed for our unit tests. Second, we need to instruct WP-CLI to create the initial unit test files for us: wp scaffold plugin-tests restrict-content-pro Your exact file path will be different than mine, so be sure to adjust for where you have WordPress installed.

#Mamp wordpress cannot establishing database connection how to#

WP-CLI includes a step-by-step guide of how to setup unit tests in your plugin, but I’m going to walk through it here as well.įirst, we need to open the command line and navigate to our WordPress install’s main directory. Anytime I do, just substitute in your own plugin’s name.

#Mamp wordpress cannot establishing database connection pro#

Since I’m doing this along with you for my Restrict Content Pro plugin, I will continually refer to Restrict Content Pro (or RCP). Before we do that, however, we need to utilize WP-CLI to create our initial unit tests configuration. Now we are almost ready to really get into the fun part of unit tests: actually seeing our unit tests run. 3. Use WP-CLI to setup our plugin’s unit tests If you run into any issues installing WP-CLI, leave a comment below and I will do my best to help you.

#Mamp wordpress cannot establishing database connection install#

WP-CLI is also exceptionally simple to install, and you can find the install instructions here. If you run into any issues installing PHPUnit, leave a comment below and I will do my best to help you. Simply follow the installation instructions on the Github page and then proceed to the next step below. The readme file in the Github repository for PHPUnit has the instructions on how to do this. The first thing we need to do is install PHPUnit. Once we are done with the steps below, we should be able to run the phpunit command from our plugin’s directory and have our unit tests run.įor this tutorial series, we are going to write unit tests for my Restrict Content Pro plugin. Watch the video below for a quick example of what running our unit tests looks like: When we say that we are going to setup the testing suite, we mean that we are going to install PHPUnit (or similar), we are going to create our configuration file, and we are going to write our initial unit tests. The phrase “testing suite” simply refers to our collection of unit tests and our configuration for those unit tests.

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Note: WP-CLI requires a unix-based operating system like Mac OS X or Linux. Once our testing suite is setup, everything will be almost identical for all users, but only Linux and Mac OS X users can utilize the WP-CLI tool.

If you are not familiar with or comfortable with the command line, you might be tempted to walk away from unit tests now and maybe come back another day. I am going to try and keep this as simple as possible, so I’d encourage you to stick with me as you will quickly find that the command line is not nearly as scary or difficult as some make it out to be. Due to its simplicity, we will use WP-CLI to setup our unit tests in this tutorial.

There are quite a few different ways to setup unit tests in your WordPress plugins, but by far the easiest is through WP-CLI, a command line interface for WordPress. Now it is time to actually setup our testing suite and run our first unit test. In part one of this tutorial series we briefly looked at what unit tests are and we walked through a couple of simple examples to illustrate how we can use them to help ensure our code is working properly.

Unit Tests for WordPress Plugins – The Factory.

Unit Tests for WordPress Plugins – Writing Tests.

Unit Tests for WordPress Plugins – Setting Up Our Testing Suite.

Unit Tests for WordPress Plugins – An Introduction.

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