Ruby Test Unit Tutorial

I m going to use test unit as most people are still using ruby 1 8.

Ruby test unit tutorial. Test unit 1 2 3 is the same version as bundled in ruby 1 8. Read bruce s previous article on testing in ruby behavior driven testing with rspec the developerworks series real world rails covers caching as well as testing in ror. Different types of tests what kinds of things to test. The testing ruby applications with rspec screencast introduces the core rspec libraries through the development of a small cli card game.

1 tests 4 assertions 0 failures 0 errors let s analyze what happened here. Rspec is different than traditional xunit frameworks like junit because rspec is a behavior driven development tool. If you re new to minitest then you can take a look at our tutorial on getting started with minitest. Testapp ruby test unit book test rb here s the output of running the successful test case testapp ruby test unit book test crud rb loaded suite test unit book test started.

12 2 1 revenge of the fixtures. Rspec now has built in support for mocking but the api is not yet stable. Testunit writing test code in ruby 1 3 minitest writing test code in ruby 2 3 rspec writing test code in ruby 3 3 prelude to learning i m training my juniors on how to write test code since we need to improve our code coverage in exampro. Rspec is a unit test framework for the ruby programming language.

Finished in 0 0625 seconds. Unit testing is a great way to catch errors early in the development process if you dedicate time to writing appropriate and useful tests. In order to test that your mailer is working as expected you can use unit tests to compare the actual results of the mailer with pre written examples of what should be produced. Minitest is a complete testing suite for ruby supporting test driven development tdd behavior driven development bdd mocking and benchmarking.

As in other languages ruby provides a framework in its standard library for setting up organizing and running tests called test unit. To illustrate some of the concepts we should first have something to test. I had quickly put together three guides last sunday on testunit minitest and rspec. Rspec is the testing library that is built for test driven development from the ground up.

For the purposes of unit testing a mailer fixtures are used to provide an example of how the output should look. What this means is that tests written in rspec focus on the behavior of an application being tested. The primary differences are that minitest drops the gui tools that test unit contained and minitest unit has replaced test unit s assert not functions with corresponding refute functions.