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gaiatest 0.21.7

Marionette test automation client for Gaia

Latest Version: 0.22

Introduction
============

Gaiatest is a Python package based on
[Marionette](https://developer.mozilla.org/en-US/docs/Marionette), which is
designed specifically for writing tests against
[Gaia](https://github.com/mozilla-b2g/gaia).

Prerequisites
=============

You will need a
[Marionette enabled Firefox build](https://developer.mozilla.org/en-US/docs/Marionette/Builds)
that you can
[successfully connect to](https://developer.mozilla.org/en-US/docs/Marionette/Connecting_to_B2G).

Installation
============

If you only want to run the tests without developing gaia-ui-tests further:

    pip install gaiatest

or

    easy_install gaiatest

You can now skip down to the "Risks" section.  On the other hand, if you want to
modify gaia-ui-tests, do this instead:

    git clone https://github.com/mozilla-b2g/gaia.git

The next command will install several python packages on your system such as
marionette, gaiatest, and other Mozilla packages.  Before you run
`python setup.py develop`, consider setting-up a virtual environment.  This is
entirely optional.

    virtualenv env_name
    source env_name/bin/activate

With the virtual environment activated, the python packages will be installed
under the `env_name` folder instead of disturbing your main system.

Finally, do:

    cd gaia/tests/python/gaia-ui-tests
    python setup.py develop

Risks
=====

Please visit
[this page](https://developer.mozilla.org/en-US/docs/Gaia_Test_Runner)
to understand and acknowledge the risks involved when running these tests.
You have to modify your testvars.json file (see the **Test Variables** section
below,) showing your acknowledgement of the risks, to run the tests.

Command line interface
======================

A helpful command line tool is provided for interacting with Gaia. For full
usage details run `gcli --help` and for help on a specific command use `gcli
<command> --help`.

For example, to unlock the device, set brightness to 100%, connect to an
unsecured network, and launch the Settings app:

```bash
$ gcli unlock
$ gcli setsetting screen.brightness 1
$ gcli connectwifi MozillaGuest
$ gcli launchapp Settings
```

Running Tests
=============

To run tests using gaia test, your command-line will vary a little bit
depending on what device you're using.  The general format is:

    gaiatest [options] /path/to/test_foo.py

Options:

    --emulator arm --homedir /path/to/emulator:  use these options to
        let Marionette launch an emulator for you in which to run a test
    --address <host>:<port>  use this option to run a test on an emulator
        which you've manually launched yourself, a real device, or a b2g
        desktop build.  If you've used port forwarding as described below,
        you'd specify --address localhost:2828
    --testvars= (see the Test Variables section below)
    --restart restart target instance between tests. This option will remove
        the /data/local/indexedDB and /data/b2g/mozilla folders and restore the
        device back to a common state
    --yocto gather power draw data while running tests
        (see https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS/Platform/Automated_testing/gaia-ui-tests/Gaia_UI_Tests_Run_Tests#Gathering_Power_Draw_Data)
    --timeout < time in milliseconds >  to set default timeout values (30s for page load timeout,
        10s for search timeout and 10s for script timeout) to a common specified value

Testing on a Device
===================

You must run a build of B2G on the device that has Marionette enabled.
The easiest way to do that is to grab a nightly `eng` build, like
[this one for Unagi](https://pvtbuilds.mozilla.org/pub/mozilla.org/b2g/nightly/mozilla-b2g18-unagi-eng/latest/)
(currently it requires a Mozilla LDAP login). Flash that to your device.

You should not enable Remote Debugging manually on the device because
there will be competing debuggers. See
[bug 764913](https://bugzilla.mozilla.org/show_bug.cgi?id=764913).

If you are running the tests on a device connected via ADB (Android Debug
Bridge), you must additionally set up port forwarding from the device to your
local machine. You can do this by running the command:

    adb forward tcp:2828 tcp:2828

ADB is available in emulator packages under out/host/linux\_x86/bin.
Alternatively, it may be downloaded as part of the
[Android SDK](http://developer.android.com/sdk/index.html).

Testing on Desktop build
========================

You can download the latest build of the desktop client from
[this location](http://ftp.mozilla.org/pub/mozilla.org/b2g/nightly/latest-mozilla-central),
but make sure you download the appropriate file for your operating system.

* **Linux (32bit)**: b2g-[VERSION].multi.linux-i686.tar.bz2
* **Linux (64bit)**: b2g-[VERSION].multi.linux-x86\_64.tar.bz2
* **Mac**: b2g-[VERSION].multi.mac64.dmg
* **Windows**: b2g-[VERSION].multi.win32.zip

Once downloaded, you will need to extract the contents to a local folder.
$B2G\_HOME refers to the location of the local folder for the remainder of the
documentation.

If a profile is specified when running the tests (recommended), a clone of the
profile will be used. This helps to ensure that all tests run in a clean state.
However, if you also intend to launch and interact with the desktop build
manually, we recommend making a copy of the default profile and using the copy
for your tests.  The location of the default profile is $B2G\_HOME/gaia/profile.

To run the tests, use the following command:

    gaiatest --restart --type=b2g --app=b2gdesktop \
        --binary=$B2G_HOME/b2g-bin \
        --profile=$B2G_HOME/gaia/profile \
        --testvars=path/to/filename.json \
        gaia/tests/python/gaia-ui-tests/gaiatest/tests/manifest.ini \

You should then start to see the tests running.  The next two sections provide
details on the test types used in the `--type` option and the test variables for
the `--testvars` option respectively.

Test Types
==========
Tests can be filtered by type, and the types are defined in the manifest files.
Tests can belong to multiple types, some types imply others, and some are
mutually exclusive - for example a test cannot be both 'online' and 'offline'
but a test that is 'lan' is by definition 'online'. Be warned that despite these
rules, there is no error checking on types, so you must take care when assigning
them. Default types are set in the [DEFAULT] section of a manifest file, and are
inherited by manifest files referenced by an include.

Here is a list of the types used, and when to use them:

* antenna - these tests require an antenna (headphones) to be connected.
* b2g - this means the test is a B2G (Firefox OS) test. All tests must include
  this type.
* bluetooth - requires bluetooth to be available.
* camera - these tests require use of a camera.
* carrier - an active SIM card with carrier connection is required.
* flash - these tests require use of a flash.
* lan - a local area connection (not cell data) is required by these tests (see
  note below).
* offline - specifically requires no online connection.
* online - some sort of online connection (lan or carrier) is required.
* qemu - these tests require the Firefox OS emulator to run.
* sdcard - a storage device must be present.
* wifi - this means a WiFi connection is required.

You may be thinking that there is only WiFi or cell data, and why the need for
the 'lan' test type. Well, these tests aren't only run on mobile devices... We
also run then on single-board computers known as
[pandaboards](https://en.wikipedia.org/wiki/Panda_Board), which have an ethernet
port, and on desktop builds, which share the host computer's connection. It is
for this reason that we need 'lan' to indicate a connection that is not cell
data. For an example of where online/lan/carrier are used take a look at the
browser tests.

Test Variables
==============
We use the --testvars option to pass in local variables, particularly those that
cannot be checked into the repository. For example in gaia-ui-tests these
variables can be your private login credentials, phone number or details of your
WiFi connection.

To use it, copy
`gaia/tests/python/gaia-ui-tests/gaiatest/testvars_template.json` to a different
filename but add it into .gitignore so you don't check it into your repository.

When running your tests add the argument:
    --testvars=(filename).json

Variables:

`"carrier": {} (dict)` The carrier information of the test phone. This contains
the phone number, country and network of the SIM card.

```json
"carrier":{
  "phone_number": "",
  "country": "",
  "network": ""
}
```
`"imei": "" (string)` The 12 digit IMEI code of the test phone.
`"remote_phone_number": "" (string)` A phone number that your device can call
during the tests (try not to be a nuisance!). Prefix the number with '+' and
your international dialing code.
`"wifi":{}{ (dict)` This are the settings of your WiFi connection. Currently
this supports WPA/WEP/etc. You can add WiFi networks by doing the following
(remember to replace "KeyManagement" and "wep" with the value your network
supports) :

```json
"wifi": {
  "ssid": "MyNetwork",
  "keyManagement": "WEP",
  "wep": "MyPassword"
}
```

WPA-PSK:
```json
"wifi": {
  "ssid": "MyNetwork",
  "keyManagement": "WPA-PSK",
  "psk": "MyPassword"
}
```
__Note__: Due to [Bug 775499](http://bugzil.la/775499), WiFi connections via
WPA-EAP are not capable at this time.

`"email": {} (dict)` The email login information used by the email tests. It can
contain different types of email accounts:

Gmail:
```json
"gmail": {
  "name": "",
  "email": "",
  "password": ""
    }
```

Or different email protocols:
```json
"IMAP": {
  "name": "",
  "email": "",
  "password": "",
  "imap_hostname": "",
  "imap_name": "",
  "imap_port": "",
  "smtp_hostname": "",
  "smtp_name": "",
  "smtp_port": ""
}
```
Or:
```json
"ActiveSync":{
  "name": "",
  "email": "",
  "password": "",
  "active_sync_hostname": "",
  "active_sync_username": ""
}
```
`"settings": {} (dict)` Custom settings to override the Gaia default settings.
These will be set before each test run but are not mandatory.
```json
"settings":{
  "<setting>":<value>
}"
```
__Note__: When running with no SIM card or offline the timezone may not be automatically updated to match the local timezone. In that case you may need to force the timezone to match the desired timezone using settings in testvars.json which will set it during the test setUp:

```json
"settings":{
  "time.timezone": <value>,
  "time.timezone.user-selected": <value>
}"
```


`"prefs": {} (dict)` Custom preferences  to override the Gecko default preferences.
These will be set before each test run but are not mandatory.
```json
"prefs":{
  "<name>":<value>
}"
```

Don't forget to acknowledged risks in your testvars file after you have visited
[the Risks page](https://developer.mozilla.org/en-US/docs/Gaia_Test_Runner) to
understand and acknowledge the risks involved when running these tests, or the
tests will not be run.

Test data Prerequisites
=======================

Occasionally a test will need data on the hardware that cannot be set during the
test setUp.  The following tests need data set up before they can be run
successfully:

`test_ftu` Requires a single record/contact saved onto the SIM card to test the
SIM contact import


Writing Tests
=============

Test writing for Marionette Python tests is described at
https://developer.mozilla.org/en-US/docs/Marionette/Marionette_Python_Tests.

Additionally, gaiatest exposes some API's for managing Gaia's lockscreen and
application manager.  See
https://github.com/mozilla-b2g/gaia/blob/master/tests/python/gaiatest/gaia_test.py.

At the moment we don't have a specific style guide. Please follow the
prevailing style of the existing tests. Use them as a template for writing
your tests.
We follow [PEP8](http://www.python.org/dev/peps/pep-0008/) for formatting,
although we're pretty lenient on the 80-character line length.
 
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