def test_default_value(self):
ch = Channel(1)
r = yield alts([ch], default=42)
self.assertEqual(r.value, 42)
self.assertEqual(r.channel, DEFAULT)
yield put(ch, 53)
r = yield alts([ch], default=42)
self.assertEqual(r.value, 53)
self.assertEqual(r.channel, ch)
def test_no_priority(self):
nums = range(50)
chs = [Channel(1) for _ in nums]
for i in nums:
yield put(chs[i], i)
values = []
for _ in nums:
values.append((yield alts(chs)).value)
self.assertNotEqual(values, nums)
def test_selecting_on_closed_channel(self):
i = 0
while i < self.limit:
i += 1
yield alts([self.ch, [self.ch, 1]])
def test_identity(self):
ch = identity_channel(42)
r = yield alts([ch])
self.assertEqual(r.value, 42)
self.assertEqual(r.channel, ch)