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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 time
import mpv
MPV_ERRORS = [ l(ec) for ec, l in mpv.ErrorCode.EXCEPTION_DICT.items() if l ]
class TestProperties(unittest.TestCase):
@contextmanager
def swallow_mpv_errors(self):
try:
yield
except Exception as e:
for ex in MPV_ERRORS:
if e.args[:2] == ex.args:
break
else:
raise
def setUp(self):
self.m = mpv.MPV()
def test_sanity(self):
for name, (ptype, access) in mpv.ALL_PROPERTIES.items():
self.assertTrue('r' in access or 'w' in access)
self.assertRegex(name, '^[-0-9a-z]+$')
self.assertIn(ptype, (int, float, str, mpv.ynbool))
def test_read(self):
for name, (ptype, access) in mpv.ALL_PROPERTIES.items():
if 'r' in access:
name = name.replace('-', '_')
with self.subTest(property_name=name):
with self.swallow_mpv_errors():
rv = getattr(self.m, name)
if rv is not None: # Technically, any property can return None (even if of type e.g. int)
self.assertEqual(type(rv), ptype, msg=name)
def test_write(self):
for name, (ptype, access) in mpv.ALL_PROPERTIES.items():
if 'w' in access:
name = name.replace('-', '_')
with self.swallow_mpv_errors():
if ptype == int:
setattr(self.m, name, 0)
setattr(self.m, name, 1)
setattr(self.m, name, -1)
elif ptype == float:
setattr(self.m, name, 0.0)
setattr(self.m, name, 1)
setattr(self.m, name, 1.0)
setattr(self.m, name, -1.0)
setattr(self.m, name, math.nan)
elif ptype == str:
setattr(self.m, name, 'foo')
setattr(self.m, name, '')
setattr(self.m, name, 'bazbazbaz'*1000)
elif ptype == mpv.ynbool:
if 'r' in access:
setattr(self.m, name, 'yes')
self.assertTrue(getattr(self.m, name))
self.assertEqual(getattr(self.m, name), True)
setattr(self.m, name, b'yes')
self.assertTrue(getattr(self.m, name))
setattr(self.m, name, True)
self.assertTrue(getattr(self.m, name))
setattr(self.m, name, 'no')
self.assertFalse(getattr(self.m, name))
self.assertEqual(getattr(self.m, name), False)
setattr(self.m, name, b'no')
self.assertFalse(getattr(self.m, name))
setattr(self.m, name, False)
self.assertFalse(getattr(self.m, name))
else:
setattr(self.m, name, 'yes')
setattr(self.m, name, b'yes')
setattr(self.m, name, True)
def tearDown(self):
del self.m
class ObservePropertyTest(unittest.TestCase):
def test_observe_property(self):
handler = mock.Mock()
m = mpv.MPV()
m.loop = 'inf'
m.observe_property('loop', handler)
m.loop = 'no'
self.assertEqual(m.loop, 'no')
m.loop = 'inf'
self.assertEqual(m.loop, 'inf')
time.sleep(0.02)
m.unobserve_property(handler)
m.loop = 'no'
m.loop = 'inf'
m.terminate() # needed for synchronization of event thread
handler.has_calls([mock.call('loop', 'no'), mock.call('loop', 'inf')])
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())
del m
gc.collect()
self.assertNotIn('MPVEventHandlerThread', thread_names())
if __name__ == '__main__':
unittest.main()
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