Automated Testing of Firefox OS

Given that Firefox OS is still under development, and support for new hardware is going to be forthcoming for the foreseeable future, it's important to know how to test it. This page offers articles that provide information about various aspects of testing Firefox OS, including running different tests, automation, and result reporting and tracking.

Getting started

Running tests on Firefox OS: A guide for developers
A quick, developer-focused guide to getting started with running the tests. This is where you should start if you are not experienced in running Mozilla's tests and automation systems. If you are, then you will probably have an idea of what tests you want to run and how, and you can skip on to the more specific detailed guides below.

Gaia tests

These articles cover the primary test suites designed to put Gaia through its paces.

Gaia UI tests
Python tests for Gaia UI interactions and features.
Gaia integration tests
JavaScript integration tests for Gaia, based on Marionette.
Gaia unit tests
Gaia unit tests with no UI interaction; written in JavaScript, not Marionette-based.
Gaia performance tests
Measures Gaia app performance based on internal instrumentation. The testing harness is in-tree.
B2GPerf
Measures Gaia app performance based on internal instrumentation.
Eideticker
Provides performance measurements for Firefox OS based on video captures.
MTBF test
Mean Time Between Failure. This is a test suite that runs on device for long duration, attempting to find problems with Gaia uptime and stability. (Currently, it is owned by Taiwan QA team and still a developing test framework)

B2G tests

The guides below cover a number of different test harnesses that test various aspects of B2G functionality.

Mochitests
Gecko functional and API tests; HTML & JS based.  No Gaia interaction.
Reftests
Gecko rendering correctness tests.
WebAPI tests
Gecko JS-based WebAPI tests; most of these require an emulator.
xpcshell tests
Headless tests of Gecko XPCOM APIs.

Supporting documentation

This section provides links to some of the supporting technologies that underpin Mozilla's tests, which you may want to find more information about.

Marionette
A remote test driver based on Selenium WebDriver.
Marionette JavaScript tools
A node.js-based runner for Marionette.
Marionette Python client
A Python runner for Marionette.

Note: If you want to run Marionette against a production build (to run gaia integration tests, gaia-ui-tests, etc.), you can install Marionette as an extension (this currently only works for 1.3 builds, but more support will be added soon.)

Continuous integration and result reporting

The following articles cover the continuous integration and result reporting mechanisms Mozilla uses to store and intepret test data.

Treeherder
Understand the tests and builds that run on Treeherder.
Datazilla
Understand which performance tests are reporting to the Datazilla dashboard, and what those tests measure.
Test execution chart
A chart showing which tests are being run — on what devices and where — and which platforms are supported for each test.

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