testing.rst

Testing

Testing is very important. If it's not tested, it's broken.

General concepts

• <https://blog.nelhage.com/2016/12/how-i-test/>
• <https://blog.nelhage.com/2016/03/design-for-testability/>

Unit testing

Unit tests should be fast (less than a few seconds to run a full test suite).

They should use py.test because it's our testing framework of choice.

• <http://devork.be/talks/advanced-fixtures/advfix.html>

Integration testing

TODO.

Front-end testing

When developing SPA (single page applications), use your framework of choice prefered testing tools to implement unit and integration tests.

• https://www.sitepoint.com/javascript-testing-unit-functional-integration/>

Full stack testing

To run full stack (back end + front end) integration testing, use Selenium or a variant of it (or phantomjs / casperjs / ...).

Use the "page object pattern": <https://nulogy.com/who-we-are/company-blog/articles/using-the-page-object-pattern-in-your-automated-tests/> to make your test cleaner an maintainable.

Example for Python: <https://github.com/alisaifee/holmium.core/>

Best practices can be explored at SeleniumConf (for instance: <http://2016.seleniumconf.co.uk/>).

Links

• <http://www.obeythetestinggoat.com/pages/book.html> "Test-Driven Web Development with Python": (focusses on Django)