def testSimplePending(self):
"""
Putting 3 jobs onto a queue with zero width should result in a
number of pending jobs of 3.
"""
dq = ResizableDispatchQueue(None)
map(dq.put, range(3))
self.assertEqual((0, 3), dq.size())
def testClearQueueCancelPending(self):
"""
When the queue is cleared with cancelPending=True, the pending jobs
should fail and receive a job whose state is CANCELLED.
"""
def ok(result):
self.fail('Unexpected success!')
def checkCancel(failure):
self.assertEqual(failure.value.state, Job.CANCELLED)
dq = ResizableDispatchQueue(None, 2)
dq.put(0).addCallbacks(ok, checkCancel)
dq.put(1).addCallbacks(ok, checkCancel)
self.assertEqual((0, 2), dq.size())
dq.clearQueue(cancelPending=True)
self.assertEqual((0, 0), dq.size())
yield dq.stop()
def testSetWidthToZeroAfterInitiallyNonZero(self):
"""
Make sure that a queue whose width is initially non-zero and which
is then set to zero width does not then begin to process any added
jobs.
"""
dq = ResizableDispatchQueue(None, 3)
dq.width = 0
dq.put('aaa')
dq.put('bbb')
self.assertEqual((0, 2), dq.size())
return dq.stop()
def testUnstarted(self):
"""
Check basic facts about a fresh instance of a
ResizableDispatchQueue.
"""
dq = ResizableDispatchQueue(None)
self.assertEqual(dq.pending(), [])
self.assertEqual(dq.underway(), set())
self.assertFalse(dq.stopped)
self.assertFalse(dq.paused)
self.assertEqual((0, 0), dq.size())
return dq.stop()
def testClearQueue(self):
dq = ResizableDispatchQueue(None)
map(dq.put, range(3))
self.assertEqual((0, 3), dq.size())
dq.clearQueue(cancelPending=False)
self.assertEqual((0, 0), dq.size())