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Firefox OS Loop Client

Firefox OS client for the Loop service

Want to contribute?

Grunt

We rely on Grunt for performing repetetive task such as unit testing, linting, building and pushing the app onto the device. If this is the first time you clone the app you must install all the Grunt stuff. Grunt and Grunt plugins are installed and managed via npm, the Node.js package manager (so we would need to install Node.js as well).

If you already have Node.js and Grunt you just need to install the Grunt plugins we use. Please proceed as follow:

  $ npm install

At the moment we have a few Grunt tasks. Let's see them.

build

  $ grunt build

This the one a regular dev, user, tester o QA guy should use. It builds the app and push it onto the device (no WebIDE usage is involved).

release

  $ grunt release

This is the task that builds the app for releasing it.

test

  $ grunt test

This is the task we have for unit testing. It launches tests in shell with PhantomJS.

To add a new test, you only have to write the test (and add it somewhere under the test/ directory, preferably on test/unit) and then add a new .html file to test/test_scripts. That file should have the <script> tags to load your unit test and any other script file you need (like the one you're actually testing).

More notes about testing. We're using SlimerJS and grunt-mocha-slimerjs for testing. The Spec reporter (as set by default) do not log errors or stack traces on failures. So if you want to see the errors (and believe me, you will) then you need to specify the JSON reporter. The easiest way to do this is with:

  grunt test --testReporter=JSON

If you want to run only the test contained on test_name.js, execute:

  grunt test --testFile=name

e.g. to run only the test in test_join_room.js:

  grunt test --testFile=join_room

Grunt options

There are many flags that allow you to configure different parameters of the generated Loop Applications.

loopVersion

Replaces the loop version in both manifest.webapp and config.js with the string passed as parameter, e.g.

$ grunt build --loopVersion=2.2

configures loop version to 2.2. Please do not use this parameter unless you really need as otherwise it might interfere with Loop Production metrics.

loopServer

Configures the Loop server to be used.

You can use one of the pre-defined servers, where possible values are production|stage|development. Alternatively you can pass a full URL (including the protocol e.g. https://myloopserver.com).

This changes the server in the config.js and the origin in the manifest.webapp file.

E.g. for a predefined server.

$ grunt build --loopServer=production

E.g. for a custom server.

$ grunt build --loopServer=https://myloopserver.com

Please note that although the use of encryption is encouraged, the tool allows using servers using plain http. If an http server is used, the allowUnsecure parameter will be set to true in the application config.js.

enforceDevices

When setting this to true, only compatible/tested devices (Fire E) are allowed to use the app. When setting this to false, any device is allowed. E.g.

$ grunt build --enforceDevices=true

Using this option modifies the compatiblity.json file as required.

debug

When setting this to true, debug mode is enabled so logs are shown in the logcat. This modifies the parameter in config.js. E.g.

$ grunt build --debug=true

metrics

Configures if metrics are reported and to which server. Possible values are production|stage|disabled.

• production: metrics are enabled and production server for input.mozilla is used.
• stage: metrics are enabled and stage server for input.mozilla is used.
• disabled: metrics are disabled

Configures if performance metrics for set-up time are taken. Possible values are persistent|enabled|disabled.

• persistent: performance is measured and logs saved in SDCard.
• enabled: performance is measured and logs shown in logcat.
• disabled: performance is not measured.

Additionally, a couple of extra tasks have been added to make easier the generation of builds for development or publication purposes:

releaseProduction and buildProduction

$ grunt releaseProduction

$ grunt buildProduction

Releases a build or creates it and pushes it to a device with the following options:

• --deviceCompatibility=true
• --debug=false
• --loopServer=production
• --performanceLog=disabled
• --metrics=production

$ grunt releaseDevelopment

$ grunt buildDevelopment

Releases a build or creates it and pushes it to a device with the following options:

• --deviceCompatibility=false
• --debug=true
• --loopServer=development
• --performanceLog=persistent
• --metrics=stage