def testDequeue(tmpdir):
datalist = [
dict(id=5, p='L', expected=3),
dict(id=1, p='', expected=0),
dict(id=6, p='X', expected=3),
dict(id=3, p='E', expected=2),
dict(id=2, p='R', expected=1),
dict(id=4, p='I', expected=2)
]
q = PriorityEnqueue(str(tmpdir), gzip=0)
for data in datalist:
q.queue(data)
q.close()
qr = PriorityDequeue(str(tmpdir))
rdata = []
while 1:
d = qr.get(timeout=0.01)
if d is None: break
rdata.append(d)
assert len(rdata) == len(datalist), "only %d of %d are read out" % (
len(rdata), len(datalist))
pp = -1
for d in rdata:
assert pp <= d['expected'], '%r: priority < expected %d' % (
d, pp)
pp = d['expected']
def testMaxDispense(tmpdir):
q = PriorityEnqueue(str(tmpdir))
q.queue([dict(id=i, p='L', expected=3) for i in xrange(200)])
q.close()
ls_datadir(tmpdir)
data = []
qr = PriorityDequeue(str(tmpdir))
# set lower MAX_DISPENSE for testing
qr.MAX_DISPENSE = 10
# start reading; this should set current queue to priority=3
u = qr.get(timeout=0.01)
assert u, "qr.get->%r" % u
assert u['expected'] == 3
data.append(u)
# then add data with higher priority
q.queue([dict(id=i, p='', expected=0) for i in xrange(200, 220)])
q.close()
# continue reading
for i in xrange(qr.MAX_DISPENSE * 2):
u = qr.get(timeout=0.01)
assert u
data.append(u)
assert len(data) == 1 + qr.MAX_DISPENSE * 2
# check the result
d1 = data[qr.MAX_DISPENSE - 1]
d2 = data[qr.MAX_DISPENSE]
assert d1['expected'] == 3
assert d2['expected'] == 0, "data[%d]=%r" % (
qr.MAX_DISPENSE, d2)
def testBulkreader(tmpdir):
q = PriorityEnqueue(str(tmpdir))
q.queue([dict(id=i, p='L', expected=3) for i in xrange(2000)])
q.close()
# count how many files it created
fns = tmpdir.join('3').listdir()
nfiles = len(fns)
dq = PriorityDequeue(str(tmpdir))
count = 0
while nfiles > 0:
reader = dq.bulkreader()
assert reader is not None
for curi in reader:
count += 1
nfiles -= 1
assert count == 2000
reader = dq.bulkreader()
assert reader is None
