Testing JavaScript with Jasmine
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Jasmine is an open source JavaScript testing framework that allows for writing tests in a behavior-driven style. It is framework agnostic and can be used for any JavaScript project. Tests are written to match the desired features and behavior from a business perspective. Jasmine provides matchers and spies to make writing tests powerful yet easy to use without needing to write custom matchers.
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Testing JavaScript with Jasmine
- 1. Testing JavaScript with
- 2. Why should I bother testing JS? It must be treated like any other language Its usage is evolving and is at the forefront of HTML 5 amongst other technologies like Google's V8 and node.js 3 S's Sound Sustainable Speed
- 3. Brief Overview Jasmine is an open source project by the folks at Pivotal Labs Framework agnostic Works standalone with any type of project Behavior Driven Approach inspired by RSpec
- 4. BDD Write tests that match the feature desired by the business. The code is then a reflection of exactly what the business wants. Business perspective: "When a user lands on the home page and selects this option then they should see this" Developers perspective: "When the page renders, then this method is called with these arguments"
- 5. Getting Started Downloads section: http://pivotal.github.com/jasmine/ Walk through set up standalone mode Ruby gem Maven plugin Compatible with node.js
- 6. Matchers These are what makes Jasmine so powerful and easy to use The framework is extensible to write your own, but the ones that come out of the box are actually awesome
- 7. Spies A spy is simply a way to write an expectation and assertion that a method is called called with certain arguments returns a "stubbed" value
- 8. jquery-jasmine Simple 1 file "plugin" Comes with a bunch of addn'l matchers Ability to load DOM "fixtures"