Unit Integration Testing

• core WP Testing framework vs. wpMock (http://greg.harmsboone.org/blog/2013/12/23/why-unit-testing-in-wordpress-matters/)
• writing tests with wpMock http://greg.harmsboone.org/blog/2014/01/01/writing-unit-tests-for-wordpress/
• quick guide to running the WP test suite https://gist.github.com/xentek/3482677
• https://jtreminio.com/2013/03/unit-testing-tutorial-introduction-to-phpunit/
• https://phpunit.de/manual/4.7/en/index.html
• https://phpunit.de/manual/4.7/en/index.html
• https://github.com/10up/wp_mock