EmulatorBattery

This class allows interaction with an emulator's battery.  Tests running on an emulator will have an instance of this class available as self.marionette.emulator.battery.

Implementation:  https://github.com/mozilla/marionett...tor_battery.py

Attributes

Example

This example sets the battery level to 25%. This example uses the execute_script call, which is used to execute arbitrary JavaScript in either the chrome or content process of a window. By default, as shown here, it gets executed in the content window.

from marionette_test import *
class TestBatteryLevel(MarionetteTestCase):
    def test_level(self):
        # make sure we're really running on an emulator
        assert(self.marionette.emulator.is_running)
        
        # set the current battery level to 25%
        self.marionette.emulator.battery.level = 0.25
        # read the battery level and make sure it's the same
        self.assertEqual(25, int(self.marionette.emulator.battery.level * 100), "unexpected battery level")
        # check it against the battery WebAPI by executing and returning the webAPI call in the window
        moz_level = self.marionette.execute_script("return navigator.mozBattery.level;")
        self.assertEqual(25, int(moz_level * 100), "unexpected mozBattery level")