def test_itemSizeChangedWhileInIncoming(self):
"""
If the size of an item changed while it was in Incoming,
Incoming does *not* go into an inconsistent state (for example,
thinking that _size is < 0)
"""
class LengthChangingString(str):
def __len__(self2):
return self2.sayLength
i = Incoming()
mutable = LengthChangingString("hi")
mutable.sayLength = 2
assert len(mutable) == 2, len(mutable)
i.give([[1, mutable]])
sizeBefore = i.getMaxConsumption()
self.assertTrue(sizeBefore > 0, sizeBefore)
mutable.sayLength = 3
assert len(mutable) == 3, len(mutable)
i.give([[0, "0"]])
sizeAfter = i.getMaxConsumption()
self.assertEqual(0, sizeAfter)
def test_simple(self):
i = Incoming()
_ = i.give([[1, 'string1'], [2, 'string2'], [3, 'string3']])
self.assertEqual(totalSizeOf('string1') * 3, i.getMaxConsumption())
_ = i.give([[4, 'string4'], [5, 'string5'], [6, 'string6']])
self.assertEqual(totalSizeOf('string1') * 6, i.getMaxConsumption())
def test_StringFragmentConvertToStr(self):
"""
L{StringFragment}s are converted to C{window._wasSF}s if they are
undeliverable inside L{Incoming}.
"""
i = Incoming()
s = _wasSF("helloworld" * 100)
sf = StringFragment(s, 0, len(s))
i.give([[1, sf]])
self.assertEqual(totalSizeOf(s), i.getMaxConsumption())
def test_itemLimit(self): i = Incoming() self.assertEqual(([], False), i.give([[1, 'string1']], itemLimit=3)) self.assertEqual(([], False), i.give([[2, 'string2']], itemLimit=3)) self.assertEqual(([], False), i.give([[3, 'string3']], itemLimit=3)) self.assertEqual(([], True), i.give([[4, 'string4']], itemLimit=3)) self.assertEqual(([], True), i.give([[5, 'string5']], itemLimit=3)) # The items we kept giving it past the limit are dropped to the floor deliverable, hitLimit = i.give([[0, 'string0']], itemLimit=3) self.assertEqual(False, hitLimit) self.assertEqual(['string0', 'string1', 'string2', 'string3'], deliverable) self.assertEqual(0, i.getUndeliverableCount()) self.assertEqual(0, i.getMaxConsumption())
def test_noStringsEverGiven(self): i = Incoming() self.assertEqual(0, i.getMaxConsumption())
