for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
from copy import copy, deepcopy
from pickle import loads, dumps
from unittest import TestCase
from weakref import ref
from zipline.utils.sentinel import sentinel
class SentinelTestCase(TestCase):
def tearDown(self):
sentinel._cache.clear() # don't pollute cache.
def test_name(self):
self.assertEqual(sentinel('a').__name__, 'a')
def test_doc(self):
self.assertEqual(sentinel('a', 'b').__doc__, 'b')
def test_doc_differentiates(self):
a = sentinel('sentinel-name', 'original-doc')
with self.assertRaises(ValueError) as e:
sentinel(a.__name__, 'new-doc')
msg = str(e.exception)
self.assertIn(a.__name__, msg)
self.assertIn(a.__doc__, msg)
def test_memo(self):
self.assertIs(sentinel('a'), sentinel('a'))
def test_copy(self):
a = sentinel('a')
self.assertIs(copy(a), a)
def test_deepcopy(self):
self.assertIs(deepcopy(a), a)
def test_repr(self):
self.assertEqual(
repr(sentinel('a')),
"sentinel('a')",
)
def test_new(self):
with self.assertRaises(TypeError):
type(sentinel('a'))()
def test_pickle_roundtrip(self):
self.assertIs(loads(dumps(a)), a)
def test_weakreferencable(self):
ref(sentinel('a'))
quantopian /
zipline
