def test_non_overflow(slabutil):
"Test that slabs do not overflow upto the slab LRU size."
slabs = []
def _mkslab(i):
v = [i * _SLABSZ]
return slabutil_make_slab(_NS, zip(map(str, v), v))
def _cb(self, key, slabdesc, seq=[0]):
assert False
lc = LRUCache(_LRUSZ, _cb)
for i in xrange(_LRUSZ):
sl = _mkslab(i)
slabs.append(sl)
lc.insert_slab(sl)
def test_non_overflow(slabutil):
"Test that slabs do not overflow upto the slab LRU size."
slabs = []
def _mkslab(i):
v = [i * _SLABSZ]
return slabutil_make_slab(_NS, zip(map(str, v), v))
def _cb(self, key, slabdesc, seq=[0]):
assert False
lc = LRUCache(_LRUSZ, _cb)
for i in xrange(_LRUSZ):
sl = _mkslab(i)
slabs.append(sl)
lc.insert_slab(sl)
def test_overflow(slabutil):
"Test that slabs overflow in LRU sequence."
slabs = []
def _mkslab(i):
v = [i * _SLABSZ]
return slabutil_make_slab(_NS, zip(map(str, v), v))
def _cb(slabkey, slabdesc, seq=[0]):
n = seq[0]
assert slabdesc is slabs[n]
seq[0] = n + 1
lc = LRUCache(_LRUSZ, _cb)
for i in xrange(2*_LRUSZ):
sl = _mkslab(i)
slabs.append(sl)
lc.insert_slab(sl)
def test_overflow(slabutil):
"Test that slabs overflow in LRU sequence."
slabs = []
def _mkslab(i):
v = [i * _SLABSZ]
return slabutil_make_slab(_NS, zip(map(str, v), v))
def _cb(slabkey, slabdesc, seq=[0]):
n = seq[0]
assert slabdesc is slabs[n]
seq[0] = n + 1
lc = LRUCache(_LRUSZ, _cb)
for i in xrange(2 * _LRUSZ):
sl = _mkslab(i)
slabs.append(sl)
lc.insert_slab(sl)
def test_flush(slabutil):
"Test that flush presents slabs in sequence."
slabs = []
def _mkslab(i):
v = [i * _SLABSZ]
return slabutil_make_slab(_NS, zip(map(str, v), v))
seen = [False]
def _cb(slabkey, slabdesc, seq=[0], seen=seen):
seen[0] = True
n = seq[0]
assert slabdesc is slabs[n]
seq[0] = n + 1
lc = LRUCache(_LRUSZ, _cb)
for i in xrange(_LRUSZ):
sl = _mkslab(i)
slabs.append(sl)
lc.insert_slab(sl)
lc.flush()
assert seen[0] is True
def test_flush(slabutil):
"Test that flush presents slabs in sequence."
slabs = []
def _mkslab(i):
v = [i * _SLABSZ]
return slabutil_make_slab(_NS, zip(map(str, v), v))
seen = [False]
def _cb(slabkey, slabdesc, seq=[0], seen=seen):
seen[0] = True
n = seq[0]
assert slabdesc is slabs[n]
seq[0] = n + 1
lc = LRUCache(_LRUSZ, _cb)
for i in xrange(_LRUSZ):
sl = _mkslab(i)
slabs.append(sl)
lc.insert_slab(sl)
lc.flush()
assert seen[0] is True
def test_empty(slabutil):
"Test the properties of an empty cache object."
lc = LRUCache(_LRUSZ)
assert len(lc) == 0
assert lc.get(_NS, _KEY) is None
def pytest_funcarg__lrucache(request):
"Prepare a pre-initialized cache object."
return LRUCache(_LRUSZ)
def test_empty(slabutil):
"Test the properties of an empty cache object."
lc = LRUCache(_LRUSZ)
assert len(lc) == 0
assert lc.get(_NS, _KEY) is None