def test_expiration(self):
rc = RollingCounter(ttl_secs=0.5)
for _ in range(10):
rc.add('foo')
for _ in range(5):
rc.add('bar')
assert len(rc.keys()) == 2
assert rc.count('foo') == 10
time.sleep(1)
assert len(rc.keys()) == 0
assert rc.max() is None
assert rc.min() is None
assert not rc.ranked()
assert rc.count('foo') == 0
def test_rank(self):
rc = RollingCounter()
for _ in range(100):
rc.add('foo')
for _ in range(10):
rc.add('bar')
for _ in range(40):
rc.add('baz')
for _ in range(60):
rc.add('quux')
assert rc.max() == 'foo'
assert rc.min() == 'bar'
assert [x[0] for x in rc.ranked()] == ['bar', 'baz', 'quux', 'foo']