def test_pruning(self):
d = RecentlyUsedContainer(5)
for i in xrange(5):
d[i] = str(i)
# Contend 2 entries for the most-used slot to balloon the heap
for i in xrange(100):
d.get(i % 2)
self.assertTrue(len(d.access_log) <= d.CLEANUP_FACTOR * d._maxsize)
def test_same_key(self):
d = RecentlyUsedContainer(5)
for i in xrange(10):
d['foo'] = i
self.assertEqual(d.keys(), ['foo'])
d._prune_invalidated_entries()
self.assertEqual(len(d.access_log), 1)
def test_same_key(self):
d = RecentlyUsedContainer(5)
for i in xrange(10):
d['foo'] = i
self.assertEqual(d.keys(), ['foo'])
d._prune_invalidated_entries()
self.assertEqual(len(d.access_log), 1)
def test_pruning(self):
d = RecentlyUsedContainer(5)
for i in xrange(5):
d[i] = str(i)
# Contend 2 entries for the most-used slot to balloon the heap
for i in xrange(100):
d.get(i % 2)
self.assertTrue(len(d.access_log) <= d.CLEANUP_FACTOR * d._maxsize)
def test_access_ordering(self):
d = RecentlyUsedContainer(5)
for i in xrange(10):
d[i] = True
self.assertEqual(d._get_ordered_access_keys(), [9, 8, 7, 6, 5])
new_order = [7, 8, 6, 9, 5]
for k in reversed(new_order):
d[k]
self.assertEqual(d._get_ordered_access_keys(), new_order)
def test_access_ordering(self):
d = RecentlyUsedContainer(5)
for i in xrange(10):
d[i] = True
self.assertEqual(d._get_ordered_access_keys(), [9,8,7,6,5])
new_order = [7,8,6,9,5]
for k in reversed(new_order):
d[k]
self.assertEqual(d._get_ordered_access_keys(), new_order)
def test_expire(self):
d = RecentlyUsedContainer(5)
for i in xrange(5):
d[i] = str(i)
for i in xrange(5):
d.get(0)
# Add one more entry
d[5] = '5'
# Check state
self.assertEqual(d.keys(), [0, 2, 3, 4, 5])
def test_expire(self):
d = RecentlyUsedContainer(5)
for i in xrange(5):
d[i] = str(i)
for i in xrange(5):
d.get(0)
# Add one more entry
d[5] = '5'
# Check state
self.assertEqual(d.keys(), [0, 2, 3, 4, 5])
def test_maxsize(self):
d = RecentlyUsedContainer(5)
for i in xrange(5):
d[i] = str(i)
self.assertEqual(len(d), 5)
for i in xrange(5):
self.assertEqual(d[i], str(i))
d[i + 1] = str(i + 1)
self.assertEqual(len(d), 5)
self.assertFalse(0 in d)
self.assertTrue(i + 1 in d)
