class TestNumberLog(TestCase):
def setUp(self): # noqa
self.max_size = 64
self.log = NumberLog(max_size=self.max_size)
random.seed(7)
def test_validation(self):
self.log += 48.8
self.log += 14.24
# given current implementation, should always be sorted,
# regardless of insertion order
assert_equal(sorted(self.log._cache), self.log._cache)
assert not self.log._valid_statistics
self.log._prepare_data()
assert self.log._valid_statistics
assert_equal(sorted(self.log._cache), self.log._cache)
def test_invalidation(self):
self.log += 48.8
self.log += 14.24
self.log._prepare_data()
# make sure validness actually changes
assert self.log._valid_statistics
self.log += 56.4
assert not self.log._valid_statistics
def test_len_n(self):
n = 2000
for _ in xrange(n):
self.log += 2
assert_equal(self.log._n, n)
assert_equal(len(self.log), self.max_size)
def test_max_size(self):
for x in xrange(2000):
self.log += 2
assert len(self.log._cache) == self.max_size
