tests_: Check the order of signals when a transition is created

Reviewed-by: Thibault Saunier <thibault.saunier@collabora.com>
Differential Revision: https://phabricator.freedesktop.org/D1391
This commit is contained in:
Alexandru Băluț 2016-10-19 15:36:49 +00:00 committed by Thibault Saunier
parent 872d15eb9d
commit 00d6c1e5ae

View file

@ -132,3 +132,31 @@ class TestSnapping(GESSimpleTimelineTest):
clip2.edit([], self.layer.get_priority(), GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE,
clip2.props.start - 1)
self.assertEqual(clip2.props.start, split_position)
class TestTransitions(GESSimpleTimelineTest):
def test_emission_order_for_transition_clip_added_signal(self):
self.timeline.props.auto_transition = True
unused_clip1 = self.add_clip(0, 0, 100)
clip2 = self.add_clip(100, 0, 100)
# Connect to signals to track in which order they are emitted.
signals = []
def clip_added_cb(layer, clip):
self.assertIsInstance(clip, GES.TransitionClip)
signals.append("clip-added")
self.layer.connect("clip-added", clip_added_cb)
def property_changed_cb(clip, pspec):
self.assertEqual(clip, clip2)
self.assertEqual(pspec.name, "start")
signals.append("notify::start")
clip2.connect("notify::start", property_changed_cb)
# Move clip2 to create a transition with clip1.
clip2.edit([], self.layer.get_priority(), GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, 50)
# The clip-added signal is emitted twice, once for the video
# transition and once for the audio transition.
self.assertEqual(signals, ["notify::start", "clip-added", "clip-added"])