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from pathlib import Path
import pytest
from queuelib.pqueue import PriorityQueue
from queuelib.queue import (
FifoDiskQueue,
FifoMemoryQueue,
FifoSQLiteQueue,
LifoDiskQueue,
LifoMemoryQueue,
LifoSQLiteQueue,
)
from queuelib.tests import QueuelibTestCase, track_closed
class PQueueTestMixin:
def setUp(self):
QueuelibTestCase.setUp(self)
self.q = PriorityQueue(self.qfactory)
def qfactory(self, prio):
raise NotImplementedError
def test_len_nonzero(self):
assert not self.q
assert len(self.q) == 0
self.q.push(b"a", 3)
assert self.q
self.q.push(b"b", 1)
self.q.push(b"c", 2)
self.q.push(b"d", 1)
assert len(self.q) == 4
self.q.pop()
self.q.pop()
self.q.pop()
self.q.pop()
assert not self.q
assert len(self.q) == 0
def test_close(self):
self.q.push(b"a", 3)
self.q.push(b"b", 1)
self.q.push(b"c", 2)
self.q.push(b"d", 1)
iqueues = self.q.queues.values()
assert sorted(self.q.close()) == [1, 2, 3]
assert all(q.closed for q in iqueues)
def test_close_return_active(self):
self.q.push(b"b", 1)
self.q.push(b"c", 2)
self.q.push(b"a", 3)
self.q.pop()
assert sorted(self.q.close()) == [2, 3]
def test_popped_internal_queues_closed(self):
self.q.push(b"a", 3)
self.q.push(b"b", 1)
self.q.push(b"c", 2)
p1queue = self.q.queues[1]
assert self.q.pop() == b"b"
self.q.close()
assert p1queue.closed
class FifoTestMixin:
def test_push_pop_peek_noprio(self):
assert self.q.peek() is None
self.q.push(b"a")
self.q.push(b"b")
self.q.push(b"c")
assert self.q.peek() == b"a"
assert self.q.pop() == b"a"
assert self.q.peek() == b"b"
assert self.q.pop() == b"b"
assert self.q.peek() == b"c"
assert self.q.pop() == b"c"
assert self.q.peek() is None
assert self.q.pop() is None
def test_push_pop_peek_prio(self):
assert self.q.peek() is None
self.q.push(b"a", 3)
self.q.push(b"b", 1)
self.q.push(b"c", 2)
self.q.push(b"d", 1)
assert self.q.peek() == b"b"
assert self.q.pop() == b"b"
assert self.q.peek() == b"d"
assert self.q.pop() == b"d"
assert self.q.peek() == b"c"
assert self.q.pop() == b"c"
assert self.q.peek() == b"a"
assert self.q.pop() == b"a"
assert self.q.peek() is None
assert self.q.pop() is None
class LifoTestMixin:
def test_push_pop_peek_noprio(self):
assert self.q.peek() is None
self.q.push(b"a")
self.q.push(b"b")
self.q.push(b"c")
assert self.q.peek() == b"c"
assert self.q.pop() == b"c"
assert self.q.peek() == b"b"
assert self.q.pop() == b"b"
assert self.q.peek() == b"a"
assert self.q.pop() == b"a"
assert self.q.peek() is None
assert self.q.pop() is None
def test_push_pop_peek_prio(self):
assert self.q.peek() is None
self.q.push(b"a", 3)
self.q.push(b"b", 1)
self.q.push(b"c", 2)
self.q.push(b"d", 1)
assert self.q.peek() == b"d"
assert self.q.pop() == b"d"
assert self.q.peek() == b"b"
assert self.q.pop() == b"b"
assert self.q.peek() == b"c"
assert self.q.pop() == b"c"
assert self.q.peek() == b"a"
assert self.q.pop() == b"a"
assert self.q.peek() is None
assert self.q.pop() is None
class FifoMemoryPriorityQueueTest(PQueueTestMixin, FifoTestMixin, QueuelibTestCase):
def qfactory(self, prio):
return track_closed(FifoMemoryQueue)()
class LifoMemoryPriorityQueueTest(PQueueTestMixin, LifoTestMixin, QueuelibTestCase):
def qfactory(self, prio):
return track_closed(LifoMemoryQueue)()
class DiskTestMixin:
def test_nonserializable_object_one(self):
with pytest.raises(TypeError):
self.q.push(lambda x: x, 0)
assert self.q.close() == []
def test_nonserializable_object_many_close(self):
self.q.push(b"a", 3)
self.q.push(b"b", 1)
with pytest.raises(TypeError):
self.q.push(lambda x: x, 0)
self.q.push(b"c", 2)
assert self.q.pop() == b"b"
assert sorted(self.q.close()) == [2, 3]
def test_nonserializable_object_many_pop(self):
self.q.push(b"a", 3)
self.q.push(b"b", 1)
with pytest.raises(TypeError):
self.q.push(lambda x: x, 0)
self.q.push(b"c", 2)
assert self.q.pop() == b"b"
assert self.q.pop() == b"c"
assert self.q.pop() == b"a"
assert self.q.pop() is None
assert self.q.close() == []
def test_reopen_with_prio(self):
q1 = PriorityQueue(self.qfactory)
q1.push(b"a", 3)
q1.push(b"b", 1)
q1.push(b"c", 2)
active = q1.close()
q2 = PriorityQueue(self.qfactory, startprios=active)
assert q2.pop() == b"b"
assert q2.pop() == b"c"
assert q2.pop() == b"a"
assert not q2.close()
class FifoDiskPriorityQueueTest(
PQueueTestMixin, FifoTestMixin, DiskTestMixin, QueuelibTestCase
):
def qfactory(self, prio):
path = Path(self.qdir, str(prio))
return track_closed(FifoDiskQueue)(path)
class LifoDiskPriorityQueueTest(
PQueueTestMixin, LifoTestMixin, DiskTestMixin, QueuelibTestCase
):
def qfactory(self, prio):
path = Path(self.qdir, str(prio))
return track_closed(LifoDiskQueue)(path)
class FifoSQLitePriorityQueueTest(
PQueueTestMixin, FifoTestMixin, DiskTestMixin, QueuelibTestCase
):
def qfactory(self, prio):
path = Path(self.qdir, str(prio))
return track_closed(FifoSQLiteQueue)(path)
class LifoSQLitePriorityQueueTest(
PQueueTestMixin, LifoTestMixin, DiskTestMixin, QueuelibTestCase
):
def qfactory(self, prio):
path = Path(self.qdir, str(prio))
return track_closed(LifoSQLiteQueue)(path)
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