Delivery setup

README.md

@@ -8,6 +8,7 @@ Wiaas implementation based on wordpress [woocommerce](https://woocommerce.com/)
 - MySQL server (5.7)
 - [Composer](http://getcomposer.org)
 - [WP CLI](https://wp-cli.org/#installing)
+- [PHPUnit](https://phpunit.de/getting-started/phpunit-6.html) for Unit testing
 - NodeJS (for building & developing frontend)
 
 ## Local Docker setup
@@ -224,4 +225,21 @@ If your feature requires some database updates that can be easiliy executed from
 2) Add this function to  `wiaas/includes/class-wiaas-db-update.php` with its timestamp.
 
 This way after `composer update-db` is executed your database update will be applied.
-        
+
+#### Unit testing
+
+1) Install [PHPUnit](https://phpunit.de/getting-started/phpunit-6.html) 
+
+       wget -O phpunit https://phar.phpunit.de/phpunit-6.phar
+       cp phpunit /usr/local/bin/phpunit
+       sudo chmod +x /usr/local/bin/phpunit
+    
+2) Setup wiaas plugin unit testing
+
+       cd backend/app/plugins/wiaas
+       ./test/bin/setup.sh [db-root] [db-root-pass]
+
+Script will install test environment in `/tmp/wiaas-backend-test`
+
+3) Now you can run `phpunit` inside `wiaas` directory
+