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-rwxr-xr-xmpv-test.py30
1 files changed, 29 insertions, 1 deletions
diff --git a/mpv-test.py b/mpv-test.py
index 62eb8fd..eb3c13f 100755
--- a/mpv-test.py
+++ b/mpv-test.py
@@ -253,7 +253,6 @@ class RegressionTests(unittest.TestCase):
`unobserve_property`.
"""
handler = mock.Mock()
- handler.observed_mpv_properties = []
m = mpv.MPV()
m.observe_property('loop', handler)
@@ -270,6 +269,35 @@ class RegressionTests(unittest.TestCase):
finally:
m.terminate()
+ def test_instance_method_property_observer(self):
+ """
+ Ensure that bound method objects can be used as property observers.
+ See issue #26
+ """
+ handler = mock.Mock()
+ m = mpv.MPV()
+
+ class T(object):
+ def t(self, *args, **kw):
+ handler(*args, **kw)
+ t = T()
+
+ m.loop = 'inf'
+
+ m.observe_property('loop', t.t)
+
+ m.loop = 'no'
+ self.assertEqual(m.loop, 'no')
+ m.loop = 'inf'
+ self.assertEqual(m.loop, 'inf')
+
+ time.sleep(0.02)
+ m.unobserve_property('loop', t.t)
+
+ m.loop = 'no'
+ m.loop = 'inf'
+ m.terminate() # needed for synchronization of event thread
+ handler.assert_has_calls([mock.call('loop', 'no'), mock.call('loop', 'inf')])
if __name__ == '__main__':