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#!/usr/bin/env python3
import unittest
from unittest import mock
import math
import threading
from contextlib import contextmanager
import gc
import os.path
import time
import mpv
TESTVID = os.path.join(os.path.dirname(__file__), 'test.webm')
MPV_ERRORS = [ l(ec) for ec, l in mpv.ErrorCode.EXCEPTION_DICT.items() if l ]
class MpvTestCase(unittest.TestCase):
def setUp(self):
self.m = mpv.MPV()
def tearDown(self):
self.m.terminate()
class TestProperties(MpvTestCase):
@contextmanager
def swallow_mpv_errors(self, exception_exceptions=[]):
try:
yield
except Exception as e:
if any(e.args[:2] == ex.args for ex in MPV_ERRORS):
if e.args[1] not in exception_exceptions:
raise
else:
raise
def test_read(self):
self.m.loop = 'inf'
self.m.play(TESTVID)
while self.m.core_idle:
time.sleep(0.05)
for name in sorted(self.m.property_list):
name = name.replace('-', '_')
with self.subTest(property_name=name), self.swallow_mpv_errors([
mpv.ErrorCode.PROPERTY_UNAVAILABLE,
mpv.ErrorCode.PROPERTY_ERROR,
mpv.ErrorCode.PROPERTY_NOT_FOUND]):
getattr(self.m, name)
def test_write(self):
self.m.loop = 'inf'
self.m.play(TESTVID)
while self.m.core_idle:
time.sleep(0.05)
for name in sorted(self.m.property_list):
name = name.replace('-', '_')
with self.subTest(property_name=name), self.swallow_mpv_errors([
mpv.ErrorCode.PROPERTY_UNAVAILABLE,
mpv.ErrorCode.PROPERTY_ERROR,
mpv.ErrorCode.PROPERTY_FORMAT,
mpv.ErrorCode.PROPERTY_NOT_FOUND]): # This is due to a bug with option-mapped properties in mpv 0.18.1
setattr(self.m, name, 100)
setattr(self.m, name, 1)
setattr(self.m, name, 0)
setattr(self.m, name, -1)
setattr(self.m, name, 1)
setattr(self.m, name, 1.0)
setattr(self.m, name, 0.0)
setattr(self.m, name, -1.0)
setattr(self.m, name, float('nan'))
setattr(self.m, name, 'foo')
setattr(self.m, name, '')
setattr(self.m, name, 'bazbazbaz'*1000)
setattr(self.m, name, b'foo')
setattr(self.m, name, b'')
setattr(self.m, name, b'bazbazbaz'*1000)
setattr(self.m, name, True)
setattr(self.m, name, False)
def test_option_read(self):
self.m.loop = 'inf'
self.m.play(TESTVID)
while self.m.core_idle:
time.sleep(0.05)
for name in sorted(self.m):
with self.subTest(option_name=name), self.swallow_mpv_errors([
mpv.ErrorCode.PROPERTY_UNAVAILABLE, mpv.ErrorCode.PROPERTY_NOT_FOUND, mpv.ErrorCode.PROPERTY_ERROR]):
self.m[name]
def test_multivalued_option(self):
self.m['external-files'] = ['test.webm', b'test.webm']
self.assertEqual(self.m['external-files'], ['test.webm', 'test.webm'])
class ObservePropertyTest(MpvTestCase):
def test_observe_property(self):
handler = mock.Mock()
m = self.m
m.observe_property('vid', handler)
time.sleep(0.1)
m.play(TESTVID)
time.sleep(0.1) #couple frames
m.unobserve_property('vid', handler)
time.sleep(0.1) #couple frames
m.terminate() # needed for synchronization of event thread
handler.assert_has_calls([mock.call('vid', 'auto'), mock.call('vid', 1)])
def test_property_observer_decorator(self):
handler = mock.Mock()
m = self.m
m.play(TESTVID)
m.loop = 'inf'
m.mute = True
@m.property_observer('mute')
@m.property_observer('loop')
def foo(*args, **kwargs):
handler(*args, **kwargs)
m.mute = False
m.loop = False
self.assertEqual(m.mute, False)
self.assertEqual(m.loop, False)
# Wait for tick. AFAICT property events are only generated at regular
# intervals, and if we change a property too fast we don't get any
# events. This is a limitation of the upstream API.
time.sleep(0.1)
# Another API limitation is that the order of property change events on
# different properties does not necessarily exactly match the order in
# which these properties were previously accessed. Thus, any_order.
handler.assert_has_calls([
mock.call('mute', False),
mock.call('loop', False)],
any_order=True)
handler.reset_mock()
# FIXME the upstream observer API is extremely unreliable ATM.
#m.mute = True
#m.loop = 'inf'
#self.assertEqual(m.mute, True)
#self.assertEqual(m.loop, 'inf')
#time.sleep(0.5)
#foo.unobserve_mpv_properties()
#m.mute = False
#m.loop = False
#m.mute = True
#m.loop = 'inf'
#m.terminate() # needed for synchronization of event thread
#handler.assert_has_calls([
# mock.call('mute', True),
# mock.call('loop', 'inf')],
# any_order=True)
class TestLifecycle(unittest.TestCase):
def test_create_destroy(self):
thread_names = lambda: [ t.name for t in threading.enumerate() ]
self.assertNotIn('MPVEventHandlerThread', thread_names())
m = mpv.MPV()
self.assertIn('MPVEventHandlerThread', thread_names())
m.terminate()
self.assertNotIn('MPVEventHandlerThread', thread_names())
def test_flags(self):
with self.assertRaises(AttributeError):
mpv.MPV('this-option-does-not-exist')
m = mpv.MPV('cursor-autohide-fs-only', 'fs', video=False)
self.assertTrue(m.fullscreen)
self.assertEqual(m.cursor_autohide, 1000)
m.terminate()
def test_options(self):
with self.assertRaises(AttributeError):
mpv.MPV(this_option_does_not_exists=23)
m = mpv.MPV(osd_level=0, loop='inf', deinterlace=False)
self.assertEqual(m.osd_level, 0)
self.assertEqual(m.loop, 'inf')
self.assertEqual(m.deinterlace, False)
m.terminate()
def test_event_callback(self):
handler = mock.Mock()
m = mpv.MPV(video=False)
m.register_event_callback(handler)
m.play(TESTVID)
m.wait_for_playback()
m.unregister_event_callback(handler)
handler.assert_has_calls([
mock.call({'reply_userdata': 0, 'error': 0, 'event_id': 6, 'event': None}),
mock.call({'reply_userdata': 0, 'error': 0, 'event_id': 9, 'event': None}),
mock.call({'reply_userdata': 0, 'error': 0, 'event_id': 7, 'event': {'reason': 4}}),
], any_order=True)
handler.reset_mock()
m.terminate()
handler.assert_not_called()
def test_log_handler(self):
handler = mock.Mock()
m = mpv.MPV(video=False, log_handler=handler)
m.play(TESTVID)
m.wait_for_playback()
m.terminate()
handler.assert_any_call('info', 'cplayer', 'Playing: test.webm')
class RegressionTests(MpvTestCase):
def test_unobserve_property_runtime_error(self):
"""
Ensure a `RuntimeError` is not thrown within
`unobserve_property`.
"""
handler = mock.Mock()
self.m.observe_property('loop', handler)
try:
self.m.unobserve_property('loop', handler)
except RuntimeError:
self.fail(
"""
"RuntimeError" exception thrown within
`unobserve_property`
""",
)
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 = self.m
class T(object):
def t(self, *args, **kw):
handler(*args, **kw)
t = T()
m.loop = 'inf'
m.observe_property('loop', t.t)
m.loop = False
self.assertEqual(m.loop, False)
# Wait for tick. AFAICT property events are only generated at regular
# intervals, and if we change a property too fast we don't get any
# events. This is a limitation of the upstream API.
time.sleep(0.01)
m.loop = 'inf'
self.assertEqual(m.loop, 'inf')
time.sleep(0.02)
m.unobserve_property('loop', t.t)
m.loop = False
m.loop = 'inf'
m.terminate() # needed for synchronization of event thread
# FIXME the upstream observer API is extremely unreliable ATM.
#handler.assert_has_calls([mock.call('loop', False), mock.call('loop', 'inf')])
if __name__ == '__main__':
unittest.main()
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