Unity 8

Merge lp:~nick-dedekind/unity8/autopilot_test_failures into lp:unity8

  1. autopilot_test_failures
  2. Merge into trunk
Proposed by Nick Dedekind on 2015-03-25
Status: Merged
Approved by: Albert Astals Cid on 2015-04-08
Approved revision: 1710
Merged at revision: 1725
Proposed branch: lp:~nick-dedekind/unity8/autopilot_test_failures
Merge into: lp:unity8
Diff against target: 101 lines (+51/-20)
2 files modified
tests/autopilot/unity8/application_lifecycle/tests/test_application_lifecycle.py (+4/-6)
tests/autopilot/unity8/process_helpers.py (+47/-14)
To merge this branch: bzr merge lp:~nick-dedekind/unity8/autopilot_test_failures
Reviewer Review Type Date Requested Status
Albert Astals Cid (community) 2015-03-25 Approve on 2015-04-08
PS Jenkins bot continuous-integration Needs Fixing on 2015-04-08
Review via email: mp+254118@code.launchpad.net

Commit Message

Fixed autopilot test failures related to udev input failure for power button.

Description of the Change

Fixed autopilot test failures related to udev input failure for power button.

mir is not catching uinput keypresses when used immediately after being created. This causes the power button not to be triggered (or worse, only triggered once resulting in the screen turning off).
Fixed by using the greeter dbus interface rather than engaging the power switch to lock unity8.

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PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1699
http://jenkins.qa.ubuntu.com/job/unity8-ci/5485/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/1970
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/649
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/650
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/650
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1736
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1968
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1968/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19153

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1700
http://jenkins.qa.ubuntu.com/job/unity8-ci/5486/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/1980
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/650
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/651
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/651
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1747
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1978
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1978/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19181

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1701
http://jenkins.qa.ubuntu.com/job/unity8-ci/5487/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/1985
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/651
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/652
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/652
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1751
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1983
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1983/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19190

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1701
http://jenkins.qa.ubuntu.com/job/unity8-ci/5488/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/1990
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/652
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/653
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/653
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1753
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1988
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1988/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19197

Click here to trigger a rebuild:
http://s-jenkins.ubuntu-ci:8080/job/unity8-ci/5488/rebuild

review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1702
http://jenkins.qa.ubuntu.com/job/unity8-ci/5491/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/1994
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/655
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/656
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/656
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1756
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1992
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/1992/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19201

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1704
http://jenkins.qa.ubuntu.com/job/unity8-ci/5497/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2033
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/661
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/662
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/662
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1791
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2031
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2031/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19275

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1704
http://jenkins.qa.ubuntu.com/job/unity8-ci/5500/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2046
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/664
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/665
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/665
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1800
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2044
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2044/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19293

Click here to trigger a rebuild:
http://s-jenkins.ubuntu-ci:8080/job/unity8-ci/5500/rebuild

review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1704
http://jenkins.qa.ubuntu.com/job/unity8-ci/5501/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2049
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/665
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/666
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/666
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1803
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2047
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2047/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19297

Click here to trigger a rebuild:
http://s-jenkins.ubuntu-ci:8080/job/unity8-ci/5501/rebuild

review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1705
http://jenkins.qa.ubuntu.com/job/unity8-ci/5502/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2050
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/666
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/667
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/667
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1804
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2048
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2048/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19299

Click here to trigger a rebuild:
http://s-jenkins.ubuntu-ci:8080/job/unity8-ci/5502/rebuild

review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1706
http://jenkins.qa.ubuntu.com/job/unity8-ci/5503/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2054
    FAILURE: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/667/console
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/668
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/668
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1807
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2052
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2052/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19304

Click here to trigger a rebuild:
http://s-jenkins.ubuntu-ci:8080/job/unity8-ci/5503/rebuild

review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :
review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1706
http://jenkins.qa.ubuntu.com/job/unity8-ci/5505/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2058
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/669
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/670
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/670
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1810
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2056
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2056/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19307

Click here to trigger a rebuild:
http://s-jenkins.ubuntu-ci:8080/job/unity8-ci/5505/rebuild

review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1707
http://jenkins.qa.ubuntu.com/job/unity8-ci/5506/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2078
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/670
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/671
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/671
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1829
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2076
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2076/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19344

Click here to trigger a rebuild:
http://s-jenkins.ubuntu-ci:8080/job/unity8-ci/5506/rebuild

review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :
review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :
review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :
review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1709
http://jenkins.qa.ubuntu.com/job/unity8-ci/5509/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2084
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/672
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/674
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/674
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1834
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2082
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2082/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19350

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1710
http://jenkins.qa.ubuntu.com/job/unity8-ci/5514/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2097
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/677
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/679
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/679
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1847
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2095
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2095/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19379

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)
PS Jenkins bot (ps-jenkins) wrote :

FAILED: Continuous integration, rev:1710
http://jenkins.qa.ubuntu.com/job/unity8-ci/5523/
Executed test runs:
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-vivid-touch/2138
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity-phablet-qmluitests-vivid/686
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-amd64-ci/688
    SUCCESS: http://jenkins.qa.ubuntu.com/job/unity8-vivid-i386-ci/688
    UNSTABLE: http://jenkins.qa.ubuntu.com/job/generic-deb-autopilot-runner-vivid-mako/1884
    SUCCESS: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2136
        deb: http://jenkins.qa.ubuntu.com/job/generic-mediumtests-builder-vivid-armhf/2136/artifact/work/output/*zip*/output.zip
    SUCCESS: http://s-jenkins.ubuntu-ci:8080/job/touch-flash-device/19470

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)
Albert Astals Cid (aacid) wrote :

This does indeed seem to improve the general autopilot stability, there's still a few failures that need fixing, some of them are fixed by https://code.launchpad.net/~aacid/autopilot/dbus_search_no_seen_connections/+merge/254109 and https://code.launchpad.net/~aacid/autopilot/precreate_keyboard/+merge/254095

Other failures may also be related to https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1421009

But this defenitely seems a step forward :)

review: Approve

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1=== modified file 'tests/autopilot/unity8/application_lifecycle/tests/test_application_lifecycle.py'
2--- tests/autopilot/unity8/application_lifecycle/tests/test_application_lifecycle.py 2015-02-23 17:29:04 +0000
3+++ tests/autopilot/unity8/application_lifecycle/tests/test_application_lifecycle.py 2015-04-02 08:16:46 +0000
4@@ -91,10 +91,9 @@
5 def test_greeter_hides_on_app_open(self):
6 """Greeter should hide when an app is opened"""
7 process_helpers.lock_unity()
8+
9+ application_name = self.launch_fake_app()
10 greeter = self.main_window.get_greeter()
11- self.assertThat(greeter.created, Eventually(Equals(True)))
12-
13- application_name = self.launch_fake_app()
14 greeter.wait_swiped_away()
15 process_helpers.unlock_unity()
16 self.assert_current_focused_application(application_name)
17@@ -108,10 +107,9 @@
18 self.assert_current_focused_application('unity8-dash')
19
20 process_helpers.lock_unity()
21+
22+ self.launch_upstart_application(application_name)
23 greeter = self.main_window.get_greeter()
24- self.assertThat(greeter.created, Eventually(Equals(True)))
25-
26- self.launch_upstart_application(application_name)
27 greeter.wait_swiped_away()
28 process_helpers.unlock_unity()
29 self.assert_current_focused_application(application_name)
30
31=== modified file 'tests/autopilot/unity8/process_helpers.py'
32--- tests/autopilot/unity8/process_helpers.py 2015-02-23 17:29:04 +0000
33+++ tests/autopilot/unity8/process_helpers.py 2015-04-02 08:16:46 +0000
34@@ -89,20 +89,53 @@
35
36
37 def lock_unity(unity_proxy_obj=None):
38- """Helper function that attempts to lock the unity greeter."""
39- import evdev
40- import time
41- uinput = evdev.UInput(name='unity8-autopilot-power-button',
42- devnode='/dev/autopilot-uinput')
43- # One press and release to turn screen off (locking unity)
44- uinput.write(evdev.ecodes.EV_KEY, evdev.ecodes.KEY_POWER, 1)
45- uinput.write(evdev.ecodes.EV_KEY, evdev.ecodes.KEY_POWER, 0)
46- uinput.syn()
47- time.sleep(1)
48- # And another press and release to turn screen back on
49- uinput.write(evdev.ecodes.EV_KEY, evdev.ecodes.KEY_POWER, 1)
50- uinput.write(evdev.ecodes.EV_KEY, evdev.ecodes.KEY_POWER, 0)
51- uinput.syn()
52+ """Helper function that attempts to lock unity greeter.
53+
54+ If unity_proxy_object is None create a proxy object by querying for the
55+ running unity process.
56+ Otherwise re-use the passed proxy object.
57+
58+ :raises RuntimeError: if the greeter attempts and fails to be locked.
59+
60+ :raises RuntimeWarning: when the greeter is found because it is
61+ already locked.
62+ :raises CannotAccessUnity: if unity is not introspectable or cannot be
63+ found on dbus.
64+ :raises CannotAccessUnity: if unity's upstart status is not "start" or the
65+ upstart job cannot be found at all.
66+
67+ """
68+ if unity_proxy_obj is None:
69+ try:
70+ pid = _get_unity_pid()
71+ unity = _get_unity_proxy_object(pid)
72+ main_window = unity.select_single(main_window_emulator.QQuickView)
73+ except ProcessSearchError as e:
74+ raise CannotAccessUnity(
75+ "Cannot introspect unity, make sure that it has been started "
76+ "with testability. Perhaps use the function "
77+ "'restart_unity_with_testability' this module provides."
78+ "(%s)"
79+ % str(e)
80+ )
81+ else:
82+ main_window = unity_proxy_obj.select_single(
83+ main_window_emulator.QQuickView)
84+
85+ greeter = main_window.get_greeter()
86+ if greeter.created is True:
87+ raise RuntimeWarning("Greeter appears to be already locked.")
88+
89+ bus = dbus.SessionBus()
90+ dbus_proxy = bus.get_object("com.canonical.UnityGreeter", "/")
91+ try:
92+ dbus_proxy.ShowGreeter()
93+ except dbus.DBusException:
94+ logger.info("Failed to lock greeter")
95+ raise
96+ else:
97+ greeter.created.wait_for(True)
98+ logger.info("Greeter locked, continuing.")
99
100
101 def restart_unity_with_testability(*args):

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