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MozMill jest narzędziem i frameworkiem do pisania testów automatycznych dla aplikacji opartych na Gecko (Firefox, Thunderbird, Songbird, itp). Jest on zbudowany jako klienta wiersza poleceń, aby umożliwić testowanie i debugowanie. MozMill posiada bogate API, które pomogą Ci napisać testy funkcjonalne, które symulują interakcje użytkownika, jak również API do testów jednostowkych.

The Mozmill test automation project has been started in January 2009 and covers the automation work for Firefox. Checkout the project page or have a look at the Mozmill Tests documentation to get an impression how to contribute in writing and running Mozmill tests. Existing tests get run in the release testing cycle for new major or security releases of Firefox.

Also the Mozilla Messaging team has an active project which handles Thunderbird Testing with Mozmill.

If you have questions or issues with Mozmill you might want to send us an email to the mozmill-dev mailing list. For bugs please submit a ticket on under the Testing/Mozmill component.


Mozmill is a Python package hosted on PyPI. It can be installed by using pip or setuptools (easy_install).


The simpliest way to have Mozmill running on Windows is by getting this mozmill-env archive. Just extract it and run every time you need to use Mozmill. It will open a Unix-like console that will already have Mozmill installed.

Mac OS X

If you are running Mac OS X 10.4 you have to download and install at least Python 2.5 from first. Afterward, install Mozmill with the setuptools.

$ curl -O
$ sudo python
$ sudo easy_install pip
$ sudo pip install mozmill

Debian-like GNU-Linux distributions (Debian, Ubuntu, etc.)

To install Mozmill on Ubuntu you only have to run two commands in the terminal:

$ sudo apt-get install python-pip
$ sudo pip install mozmill

Mozmill versions

You can find out your Mozmill version by running:

$ mozmill --v

The current stable version of Mozmill is 2.0. Most likely you have installed this version with the above steps. If the bug you're working on does not require 2.0, then please run the following command, to get the last version of the 1.5 branch:

$ sudo pip install --upgrade mozmill==1.5.24

For development of Mozmill 2.0, we advise you to use a virtual environment and to follow these steps.

See also

We have a few other pages to help you get the most out of Mozmill.  You might want to bookmark these for reference later.



Mozmill is still in development, like most test systems in the Mozilla project. If you think you've found a bug, please check the list of existing bugs. If your found bug is not listed there, please file a new bug under the "Testing" Product and "Mozmill" Component. Please provide as much as possible details and attach the Mozmill test if available, which shows the problem. Thanks for filing!