JSpec - A Javascript Unit Testing Framework
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JSpec is a great framework for writing unit tests for your Javascript code. I show you why I chose it and how you install and use it.
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JSpec - A Javascript Unit Testing Framework
- 1. JSpec A JavaScript Testing Framework
- 2. About me
- 3. About me Lena Herrmann Ruby, Javascript, CouchDB
- 4. About me Lena Herrmann Ruby, Javascript, CouchDB http://lenaherrmann.net @kilaulena
- 5. Upstream Agile GmbH http://upstre.am/
- 7. Unit Testing
- 8. Crosscheck JSSpec RhinoUnit Test.More jsUnity jsUnitTest J3Unit QUnit JSUnit DOH Test.Simple Jasmine JSTest TestCase JSNUnit screw-unit YUI Test
- 9. Crosscheck JSSpec RhinoUnit Test.More jsUnity jsUnitTest J3Unit QUnit JSUnit JSpec DOH Test.Simple Jasmine JSTest TestCase JSNUnit screw-unit YUI Test
- 10. @tjholowaychuk
- 11. What does it look like?
- 14. Installation
- 17. Download tar from http://github.com/visionmedia/jspec/downloads or $ git clone git://github.com/visionmedia/jspec.git
- 19. $ sudo gem install jspec
- 20. $ sudo gem install jspec $ jspec init --rails
- 21. Run
- 26. $ jspec run --rhino
- 28. $ jspec run --browsers ff,safari --server
- 33. Grammar Functions -{ throw 'foo' }.should.throw_error 'foo'
- 35. Matchers be, eql, equal true.should.be true 2.should.eql 2 2.should.eql '2' ['foo', 'bar'].should.eql ['foo', 'bar'] ['foo', 'bar'].should.not.equal ['foo', 'bar']
- 37. Matchers be_a, be_an ['im', 'an', 'array'].should.be_an Array 'im a string'.should.be_a String
- 39. Matchers have_length ['cookies', 'ice cream'].length.should.eql 2 ['cookies', 'ice cream'].should.have_length 2
- 40. Matchers include
- 41. Matchers include ['cookies', 'apples'].should.include 'apples' ['cookies', 'apples'].should.not.include 'bread'
- 43. Matchers have_property { name: 'lena' }.should.have_property 'name' { name: 'lena' }.should.have_property 'name', 'lena'
- 44. Matchers jQuery
- 47. Matchers jQuery $('form#login .agree').should.not.be_clicked $('form').should.have_id 'login' have_tag, have_child, have_text, have_class, be_visible, be_selected, have_alt ...........
- 48. Fixtures
- 54. Thank you!
Hinweis der Redaktion
- We take TDD very seriously Working on my thesis there:
- My thesis: an outliner, a couchapp Have a project in mind where Javascript is the main language Application is served by CouchDB - no other server, other language involved
- Not about full stack integration test
- Tiny (15 kb compressed, 1600-ish LOC)
- project: 1 and a half years old, more than 30 forks on git in active development
- no parentheses, "function" expressions, curly brackets Cascading before/after hooks -- Nested describe blocks (DRY, organization) Textmate bundle, Syntax hightlighting
- grammar-less alternative
- Two ways to install jspec: 1st, when project should come without prerequisites
- Just drop the files into your project.
- 2nd: - when to be used with CI - when you DON'T want to test the DOM Rails command copies a jspec template folder into your project
- Two ways to run the tests
- Open the html file in any browser.
- Also show only failing tests
- Not so nice: instead of test groups, you have to put tests into different files
- Java implementation of Javascript (like Spidermonkey is in C)
- When you have the gem already installed: opens browsers in the background, report back to console
- equal = object identity ===
- there's many more
- there's many more
- there's many more
- sometimes you want to test DOM manipulation
- Mocking: - Possible to include Mocking frameworks - or as its JS, just override the methods