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From "Antonenko Alexander (JIRA)" <>
Subject [jira] [Created] (AMBARI-5411) Karma integration.
Date Wed, 09 Apr 2014 17:00:18 GMT
Antonenko Alexander created AMBARI-5411:

             Summary: Karma integration.
                 Key: AMBARI-5411
             Project: Ambari
          Issue Type: Task
          Components: client
    Affects Versions: 1.6.0
            Reporter: Antonenko Alexander
            Assignee: Antonenko Alexander
             Fix For: 1.6.0
         Attachments: karma-snapshot-1.png, karma-snapshot-2.jpeg

Add [Karma|] as additional tool for running FE
tests. Karma provides great functionality and powered with a lot of useful plugins. It can
improve testing experience and prevent bugs appearing before pushing your changes to git repository.

h2. Setup

First of all there are no changes to testing with *mocha-phantomjs* and additional packages
doesn't break any compatibility with dev and build tools.  
You need *node.js* >= 0.10. I recommend to install node.js by [nvm|](Unix
Install required packages. Run after patch applying:
{noformat}$ npm install {noformat}
Now you have installed Karma in *node_modules/* folder. If you want to install Karma globally
{noformat}$ npm i -g karma@0.11.14{noformat}
Run karma from *project_root/ambari-web/* folder:
# for locally installed Karma
$ node_modules/karma/bin/karma start

# for globally installed Karma
$ karma start

This command will run karma server on http://localhost:9876 and repeat tests while files changing.
PhantomJS is default browser for running, but you can open http://localhost:9876 in any browser
which will run tests also. 

To generate coverage summary edit *project_root/ambari-web/karma.conf.js*:
preprocessors: {
     '!(vendor|node_modules|test)/**/!(karma_setup|tests).js': 'coverage', // uncomment this
      'app/templates/**/*.hbs': ['ember-precompiler-brunch', 'common-require'],
      'app!(assets)/**/!(karma_setup|tests).js': ['common-require'],
      'test/**/*.js': ['common-require']
reporters: ['progress','coverage']
Look to *project_root/ambari-web/public/coverage/*. You can setup custom path in #coverageReporter
config property.

If you have problems with PhantomJS disconnecting, install it from [download page|]
and set shell variable *PHANTOMJS_BIN* with path to executable file (by default is */usr/bin/phantomjs*).
You can add this variable to your shell profile file, or make it session only by: {noformat}$
export PHANTOMJS_BIN=/usr/bin/phantomjs{noformat}

h3. Windows Setup

Tested with node.js v 0.10.20
You need to install, if not installed:
- [Visual C++|]
- [Python 2.6|]
- [Node.js|]

h2. Karma plugin for Intellij Platform IDE

Install plugin from ??File -> Settings -> IDE Settings -> Plugins??.
After IDE restart go to ??Run -> Edit Configuration??. 
Add configuration: press *plus* button, select *Karma*. Now fill inputs with path to: *Node.js
interpreter*, *Karma node package* and *Configuration file* it should be *project_root/ambari-web/karma.conf.js*.
After setup you can run karma from *Debug panel* [picture-1|]
and you will see progress in *4: Run* tab [picture-2|].
You can set *Auto-test* by pressing ??Toggle auto-test?? button.

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