diff options
Diffstat (limited to 'plugins/power/test.py')
| -rwxr-xr-x | plugins/power/test.py | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/plugins/power/test.py b/plugins/power/test.py index 8ef46433..c789940c 100755 --- a/plugins/power/test.py +++ b/plugins/power/test.py @@ -54,8 +54,8 @@ class PowerPluginTest(gsdtestcase.GSDTestCase): os.environ['UMOCKDEV_DIR'] = self.testbed.get_root_dir() # Create a mock backlight device - # Note that this function creates a different backlight device based on - # the name of the test. + # Note that this function creates a different or even no backlight + # device based on the name of the test. self.add_backlight() # start mock upowerd @@ -214,7 +214,9 @@ class PowerPluginTest(gsdtestcase.GSDTestCase): def backlight_defaults(self): # Hack to modify the brightness defaults before starting gsd-power. # The alternative would be to create two separate test files. - if 'legacy_brightness' in self.id(): + if 'no_backlight' in self.id(): + return None, None + elif 'legacy_brightness' in self.id(): return 15, 15 else: return 100, 50 @@ -222,6 +224,10 @@ class PowerPluginTest(gsdtestcase.GSDTestCase): def add_backlight(self, _type="raw"): max_brightness, brightness = self.backlight_defaults() + if max_brightness is None: + self.backlight = None + return + # Undo mangling done in GSD if max_brightness >= 99: max_brightness += 1 @@ -1186,5 +1192,33 @@ class PowerPluginTest(gsdtestcase.GSDTestCase): time.sleep(0.2) self.assertEqual(self.get_brightness(), 15) + def test_no_backlight(self): + '''Check that backlight brightness DBus api without a backlight''' + + obj_gsd_power = self.session_bus_con.get_object( + 'org.gnome.SettingsDaemon.Power', '/org/gnome/SettingsDaemon/Power') + obj_gsd_power_props = dbus.Interface(obj_gsd_power, dbus.PROPERTIES_IFACE) + obj_gsd_power_screen = dbus.Interface(obj_gsd_power, 'org.gnome.SettingsDaemon.Power.Screen') + + # We expect -1 to be returned + brightness = obj_gsd_power_props.Get('org.gnome.SettingsDaemon.Power.Screen', 'Brightness') + self.assertEqual(brightness, -1) + + # Trying to set the brightness + with self.assertRaises(dbus.DBusException) as exc: + obj_gsd_power_props.Set('org.gnome.SettingsDaemon.Power.Screen', 'Brightness', 1) + + self.assertEqual(exc.exception.get_dbus_message(), 'No usable backlight could be found!') + + with self.assertRaises(dbus.DBusException) as exc: + obj_gsd_power_screen.StepUp() + + self.assertEqual(exc.exception.get_dbus_message(), 'No usable backlight could be found!') + + with self.assertRaises(dbus.DBusException) as exc: + obj_gsd_power_screen.StepDown() + + self.assertEqual(exc.exception.get_dbus_message(), 'No usable backlight could be found!') + # avoid writing to stderr unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2)) |