def test_parked_put(self):
ch = Channel()
def putting():
yield sleep(0.005)
yield put(ch, 42)
go(putting)
self.assertEqual((yield take(ch)), 42)
def timeout(seconds):
chan = Channel()
def t():
yield sleep(seconds)
chan.close()
go(t)
return chan
def taken(value):
def checking():
# yield control so that the second put can proceed
yield None
self.assertEqual(var["count"], 2, "second (buffered) put succeeds")
d.callback(CLOSED)
go(checking)
def test_parked_taken(self):
ch = Channel()
def taking():
yield sleep(0.005)
yield take(ch)
go(taking)
self.assertEqual((yield put(ch, 42)), True)
def test_parked_closed(self):
ch = Channel()
def closing():
yield sleep(0.005)
ch.close()
go(closing)
self.assertEqual((yield put(ch, 42)), False)
def test_parked_closed(self):
ch = Channel()
def closing():
yield sleep(0.005)
ch.close()
go(closing)
self.assertEqual((yield take(ch)), CLOSED)
def fan_in(input1, input2):
c = Channel()
def collect():
while True:
value, _ = yield alts([input1, input2])
yield put(c, value)
go(collect)
return c
def main():
table = Channel()
go(player, "ping", table)
go(player, "pong", table)
yield put(table, Ball())
yield sleep(1)
def fan_in(input1, input2):
c = Channel()
def collect(i):
while True:
yield put(c, (yield take(i)))
go(collect, input1)
go(collect, input2)
return c
def boring(message):
c = Channel()
def _do():
i = 0
while True:
yield put(c, "%s %d" % (message, i))
yield sleep(random.random())
i += 1
go(_do)
return c
def main():
n = 100000
leftmost = Channel()
right = leftmost
left = leftmost
for i in range(n):
right = Channel()
go(f, left, right)
left = right
def start(c):
yield put(c, 1)
go(start, right)
print (yield take(leftmost))
def main():
chans = []
for i in range(20):
chan = Channel()
go(produce, chan, i)
chans.append(chan)
def timeout(seconds):
chan = Channel()
def t():
yield sleep(seconds)
chan.close()
go(t)
return chan
chans.append(timeout(0.3))
while True:
value, chan = yield alts(chans)
if value == CLOSED:
print "time out"
break
else:
print value
def test_immediate_put(self):
ch = Channel()
def putting():
yield put(ch, 42)
go(putting)
self.assertEqual((yield take(ch)), 42)
def test_immediate_taken(self):
ch = Channel()
def taking():
yield take(ch)
go(taking)
self.assertEqual((yield put(ch, 42)), True)
