Ruby Test Unit Tutorial

Rspec is different than traditional xunit frameworks like junit because rspec is a behavior driven development tool.

Ruby test unit tutorial.

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. Rspec is the testing library that is built for test driven development from the ground up. I m going to use test unit as most people are still using ruby 1 8. The testing ruby applications with rspec screencast introduces the core rspec libraries through the development of a small cli card game.

Different types of tests what kinds of things to test. Finished in 0 0625 seconds. As in other languages ruby provides a framework in its standard library for setting up organizing and running tests called test unit. Rspec is a unit test framework for the ruby programming language.

For the purposes of unit testing a mailer fixtures are used to provide an example of how the output should look. Test unit 1 2 3 is the same version as bundled in ruby 1 8. 1 tests 4 assertions 0 failures 0 errors let s analyze what happened here. If you re new to minitest then you can take a look at our tutorial on getting started with minitest.

To illustrate some of the concepts we should first have something to test. 12 2 1 revenge of the fixtures. What this means is that tests written in rspec focus on the behavior of an application being tested. 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.

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. It s small fast and it aims to make tests clean and readable. Test unit is a xunit family unit testing framework for ruby. Minitest is a complete testing suite for ruby supporting test driven development tdd behavior driven development bdd mocking and benchmarking.

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. Unit testing is a great way to catch errors early in the development process if you dedicate time to writing appropriate and useful tests. Rspec now has built in support for mocking but the api is not yet stable.