mirror of
https://github.com/python/cpython.git
synced 2025-11-03 19:34:08 +00:00
ad9d48d865
svn+ssh://pythondev@svn.python.org/python/trunk ........ r62090 | brett.cannon | 2008-04-01 07:37:43 -0500 (Tue, 01 Apr 2008) | 3 lines Generalize test.test_support.test_stdout() with a base context manager so that it is easy to capture stderr if desired. ........ r62091 | brett.cannon | 2008-04-01 07:46:02 -0500 (Tue, 01 Apr 2008) | 3 lines Add ``if __name__ == '__main__'`` to some test files where it didn't take a lot of effort to do so. ........ r62096 | amaury.forgeotdarc | 2008-04-01 17:52:48 -0500 (Tue, 01 Apr 2008) | 4 lines Newly enabled test appears to leak: it registers the same codec on each iteration. Do it only once at load time. ........ r62100 | amaury.forgeotdarc | 2008-04-01 19:55:04 -0500 (Tue, 01 Apr 2008) | 4 lines A DocTestSuite cannot run multiple times: it clears its globals dictionary after the first run. Rebuild the DocTestSuite on each iteration. ........ r62102 | jeffrey.yasskin | 2008-04-01 23:07:44 -0500 (Tue, 01 Apr 2008) | 3 lines Try to make test_signal less flaky. I still see some flakiness in test_itimer_prof. ........ r62110 | vinay.sajip | 2008-04-02 16:09:27 -0500 (Wed, 02 Apr 2008) | 1 line Fix: #2315, #2316, #2317: TimedRotatingFileHandler - changed logic to better handle daylight savings time, deletion of old log files, and fixed a bug in calculating rollover when no logging occurs for a longer interval than the rollover period. ........ r62111 | vinay.sajip | 2008-04-02 16:10:23 -0500 (Wed, 02 Apr 2008) | 1 line Added updates with respect to recent changes to TimedRotatingFileHandler. ........ r62112 | vinay.sajip | 2008-04-02 16:17:25 -0500 (Wed, 02 Apr 2008) | 1 line Added updates with respect to recent changes to TimedRotatingFileHandler. ........ r62113 | amaury.forgeotdarc | 2008-04-02 16:18:46 -0500 (Wed, 02 Apr 2008) | 2 lines Remove debug prints; the buildbot now passes the tests ........ r62114 | benjamin.peterson | 2008-04-02 16:20:35 -0500 (Wed, 02 Apr 2008) | 2 lines Suggested proposed changes to Python be considered on some mailing lists first ........
329 lines
14 KiB
Python
329 lines
14 KiB
Python
"""Unit tests for collections.py."""
|
|
|
|
import unittest, doctest
|
|
from test import test_support
|
|
from collections import namedtuple
|
|
from collections import Hashable, Iterable, Iterator
|
|
from collections import Sized, Container, Callable
|
|
from collections import Set, MutableSet
|
|
from collections import Mapping, MutableMapping
|
|
from collections import Sequence, MutableSequence
|
|
from collections import ByteString
|
|
|
|
|
|
class TestNamedTuple(unittest.TestCase):
|
|
|
|
def test_factory(self):
|
|
Point = namedtuple('Point', 'x y')
|
|
self.assertEqual(Point.__name__, 'Point')
|
|
self.assertEqual(Point.__doc__, 'Point(x, y)')
|
|
self.assertEqual(Point.__slots__, ())
|
|
self.assertEqual(Point.__module__, __name__)
|
|
self.assertEqual(Point.__getitem__, tuple.__getitem__)
|
|
self.assertEqual(Point._fields, ('x', 'y'))
|
|
|
|
self.assertRaises(ValueError, namedtuple, 'abc%', 'efg ghi') # type has non-alpha char
|
|
self.assertRaises(ValueError, namedtuple, 'class', 'efg ghi') # type has keyword
|
|
self.assertRaises(ValueError, namedtuple, '9abc', 'efg ghi') # type starts with digit
|
|
|
|
self.assertRaises(ValueError, namedtuple, 'abc', 'efg g%hi') # field with non-alpha char
|
|
self.assertRaises(ValueError, namedtuple, 'abc', 'abc class') # field has keyword
|
|
self.assertRaises(ValueError, namedtuple, 'abc', '8efg 9ghi') # field starts with digit
|
|
self.assertRaises(ValueError, namedtuple, 'abc', '_efg ghi') # field with leading underscore
|
|
self.assertRaises(ValueError, namedtuple, 'abc', 'efg efg ghi') # duplicate field
|
|
|
|
namedtuple('Point0', 'x1 y2') # Verify that numbers are allowed in names
|
|
namedtuple('_', 'a b c') # Test leading underscores in a typename
|
|
|
|
self.assertRaises(TypeError, Point._make, [11]) # catch too few args
|
|
self.assertRaises(TypeError, Point._make, [11, 22, 33]) # catch too many args
|
|
|
|
def test_instance(self):
|
|
Point = namedtuple('Point', 'x y')
|
|
p = Point(11, 22)
|
|
self.assertEqual(p, Point(x=11, y=22))
|
|
self.assertEqual(p, Point(11, y=22))
|
|
self.assertEqual(p, Point(y=22, x=11))
|
|
self.assertEqual(p, Point(*(11, 22)))
|
|
self.assertEqual(p, Point(**dict(x=11, y=22)))
|
|
self.assertRaises(TypeError, Point, 1) # too few args
|
|
self.assertRaises(TypeError, Point, 1, 2, 3) # too many args
|
|
self.assertRaises(TypeError, eval, 'Point(XXX=1, y=2)', locals()) # wrong keyword argument
|
|
self.assertRaises(TypeError, eval, 'Point(x=1)', locals()) # missing keyword argument
|
|
self.assertEqual(repr(p), 'Point(x=11, y=22)')
|
|
self.assert_('__dict__' not in dir(p)) # verify instance has no dict
|
|
self.assert_('__weakref__' not in dir(p))
|
|
self.assertEqual(p, Point._make([11, 22])) # test _make classmethod
|
|
self.assertEqual(p._fields, ('x', 'y')) # test _fields attribute
|
|
self.assertEqual(p._replace(x=1), (1, 22)) # test _replace method
|
|
self.assertEqual(p._asdict(), dict(x=11, y=22)) # test _asdict method
|
|
|
|
try:
|
|
p._replace(x=1, error=2)
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
self._fail('Did not detect an incorrect fieldname')
|
|
|
|
# verify that field string can have commas
|
|
Point = namedtuple('Point', 'x, y')
|
|
p = Point(x=11, y=22)
|
|
self.assertEqual(repr(p), 'Point(x=11, y=22)')
|
|
|
|
# verify that fieldspec can be a non-string sequence
|
|
Point = namedtuple('Point', ('x', 'y'))
|
|
p = Point(x=11, y=22)
|
|
self.assertEqual(repr(p), 'Point(x=11, y=22)')
|
|
|
|
def test_tupleness(self):
|
|
Point = namedtuple('Point', 'x y')
|
|
p = Point(11, 22)
|
|
|
|
self.assert_(isinstance(p, tuple))
|
|
self.assertEqual(p, (11, 22)) # matches a real tuple
|
|
self.assertEqual(tuple(p), (11, 22)) # coercable to a real tuple
|
|
self.assertEqual(list(p), [11, 22]) # coercable to a list
|
|
self.assertEqual(max(p), 22) # iterable
|
|
self.assertEqual(max(*p), 22) # star-able
|
|
x, y = p
|
|
self.assertEqual(p, (x, y)) # unpacks like a tuple
|
|
self.assertEqual((p[0], p[1]), (11, 22)) # indexable like a tuple
|
|
self.assertRaises(IndexError, p.__getitem__, 3)
|
|
|
|
self.assertEqual(p.x, x)
|
|
self.assertEqual(p.y, y)
|
|
self.assertRaises(AttributeError, eval, 'p.z', locals())
|
|
|
|
def test_odd_sizes(self):
|
|
Zero = namedtuple('Zero', '')
|
|
self.assertEqual(Zero(), ())
|
|
self.assertEqual(Zero._make([]), ())
|
|
self.assertEqual(repr(Zero()), 'Zero()')
|
|
self.assertEqual(Zero()._asdict(), {})
|
|
self.assertEqual(Zero()._fields, ())
|
|
|
|
Dot = namedtuple('Dot', 'd')
|
|
self.assertEqual(Dot(1), (1,))
|
|
self.assertEqual(Dot._make([1]), (1,))
|
|
self.assertEqual(Dot(1).d, 1)
|
|
self.assertEqual(repr(Dot(1)), 'Dot(d=1)')
|
|
self.assertEqual(Dot(1)._asdict(), {'d':1})
|
|
self.assertEqual(Dot(1)._replace(d=999), (999,))
|
|
self.assertEqual(Dot(1)._fields, ('d',))
|
|
|
|
# n = 10000
|
|
n = 254 # SyntaxError: more than 255 arguments:
|
|
import string, random
|
|
names = [''.join([random.choice(string.ascii_letters) for j in range(10)]) for i in range(n)]
|
|
Big = namedtuple('Big', names)
|
|
b = Big(*range(n))
|
|
self.assertEqual(b, tuple(range(n)))
|
|
self.assertEqual(Big._make(range(n)), tuple(range(n)))
|
|
for pos, name in enumerate(names):
|
|
self.assertEqual(getattr(b, name), pos)
|
|
repr(b) # make sure repr() doesn't blow-up
|
|
d = b._asdict()
|
|
d_expected = dict(zip(names, range(n)))
|
|
self.assertEqual(d, d_expected)
|
|
b2 = b._replace(**dict([(names[1], 999),(names[-5], 42)]))
|
|
b2_expected = list(range(n))
|
|
b2_expected[1] = 999
|
|
b2_expected[-5] = 42
|
|
self.assertEqual(b2, tuple(b2_expected))
|
|
self.assertEqual(b._fields, tuple(names))
|
|
|
|
class TestOneTrickPonyABCs(unittest.TestCase):
|
|
|
|
def test_Hashable(self):
|
|
# Check some non-hashables
|
|
non_samples = [bytearray(), list(), set(), dict()]
|
|
for x in non_samples:
|
|
self.failIf(isinstance(x, Hashable), repr(x))
|
|
self.failIf(issubclass(type(x), Hashable), repr(type(x)))
|
|
# Check some hashables
|
|
samples = [None,
|
|
int(), float(), complex(),
|
|
str(),
|
|
tuple(), frozenset(),
|
|
int, list, object, type, bytes()
|
|
]
|
|
for x in samples:
|
|
self.failUnless(isinstance(x, Hashable), repr(x))
|
|
self.failUnless(issubclass(type(x), Hashable), repr(type(x)))
|
|
self.assertRaises(TypeError, Hashable)
|
|
# Check direct subclassing
|
|
class H(Hashable):
|
|
def __hash__(self):
|
|
return super().__hash__()
|
|
self.assertEqual(hash(H()), 0)
|
|
self.failIf(issubclass(int, H))
|
|
|
|
def test_Iterable(self):
|
|
# Check some non-iterables
|
|
non_samples = [None, 42, 3.14, 1j]
|
|
for x in non_samples:
|
|
self.failIf(isinstance(x, Iterable), repr(x))
|
|
self.failIf(issubclass(type(x), Iterable), repr(type(x)))
|
|
# Check some iterables
|
|
samples = [bytes(), str(),
|
|
tuple(), list(), set(), frozenset(), dict(),
|
|
dict().keys(), dict().items(), dict().values(),
|
|
(lambda: (yield))(),
|
|
(x for x in []),
|
|
]
|
|
for x in samples:
|
|
self.failUnless(isinstance(x, Iterable), repr(x))
|
|
self.failUnless(issubclass(type(x), Iterable), repr(type(x)))
|
|
# Check direct subclassing
|
|
class I(Iterable):
|
|
def __iter__(self):
|
|
return super().__iter__()
|
|
self.assertEqual(list(I()), [])
|
|
self.failIf(issubclass(str, I))
|
|
|
|
def test_Iterator(self):
|
|
non_samples = [None, 42, 3.14, 1j, b"", "", (), [], {}, set()]
|
|
for x in non_samples:
|
|
self.failIf(isinstance(x, Iterator), repr(x))
|
|
self.failIf(issubclass(type(x), Iterator), repr(type(x)))
|
|
samples = [iter(bytes()), iter(str()),
|
|
iter(tuple()), iter(list()), iter(dict()),
|
|
iter(set()), iter(frozenset()),
|
|
iter(dict().keys()), iter(dict().items()),
|
|
iter(dict().values()),
|
|
(lambda: (yield))(),
|
|
(x for x in []),
|
|
]
|
|
for x in samples:
|
|
self.failUnless(isinstance(x, Iterator), repr(x))
|
|
self.failUnless(issubclass(type(x), Iterator), repr(type(x)))
|
|
|
|
def test_Sized(self):
|
|
non_samples = [None, 42, 3.14, 1j,
|
|
(lambda: (yield))(),
|
|
(x for x in []),
|
|
]
|
|
for x in non_samples:
|
|
self.failIf(isinstance(x, Sized), repr(x))
|
|
self.failIf(issubclass(type(x), Sized), repr(type(x)))
|
|
samples = [bytes(), str(),
|
|
tuple(), list(), set(), frozenset(), dict(),
|
|
dict().keys(), dict().items(), dict().values(),
|
|
]
|
|
for x in samples:
|
|
self.failUnless(isinstance(x, Sized), repr(x))
|
|
self.failUnless(issubclass(type(x), Sized), repr(type(x)))
|
|
|
|
def test_Container(self):
|
|
non_samples = [None, 42, 3.14, 1j,
|
|
(lambda: (yield))(),
|
|
(x for x in []),
|
|
]
|
|
for x in non_samples:
|
|
self.failIf(isinstance(x, Container), repr(x))
|
|
self.failIf(issubclass(type(x), Container), repr(type(x)))
|
|
samples = [bytes(), str(),
|
|
tuple(), list(), set(), frozenset(), dict(),
|
|
dict().keys(), dict().items(),
|
|
]
|
|
for x in samples:
|
|
self.failUnless(isinstance(x, Container), repr(x))
|
|
self.failUnless(issubclass(type(x), Container), repr(type(x)))
|
|
|
|
def test_Callable(self):
|
|
non_samples = [None, 42, 3.14, 1j,
|
|
"", b"", (), [], {}, set(),
|
|
(lambda: (yield))(),
|
|
(x for x in []),
|
|
]
|
|
for x in non_samples:
|
|
self.failIf(isinstance(x, Callable), repr(x))
|
|
self.failIf(issubclass(type(x), Callable), repr(type(x)))
|
|
samples = [lambda: None,
|
|
type, int, object,
|
|
len,
|
|
list.append, [].append,
|
|
]
|
|
for x in samples:
|
|
self.failUnless(isinstance(x, Callable), repr(x))
|
|
self.failUnless(issubclass(type(x), Callable), repr(type(x)))
|
|
|
|
def test_direct_subclassing(self):
|
|
for B in Hashable, Iterable, Iterator, Sized, Container, Callable:
|
|
class C(B):
|
|
pass
|
|
self.failUnless(issubclass(C, B))
|
|
self.failIf(issubclass(int, C))
|
|
|
|
def test_registration(self):
|
|
for B in Hashable, Iterable, Iterator, Sized, Container, Callable:
|
|
class C:
|
|
__hash__ = None # Make sure it isn't hashable by default
|
|
self.failIf(issubclass(C, B), B.__name__)
|
|
B.register(C)
|
|
self.failUnless(issubclass(C, B))
|
|
|
|
|
|
class TestCollectionABCs(unittest.TestCase):
|
|
|
|
# XXX For now, we only test some virtual inheritance properties.
|
|
# We should also test the proper behavior of the collection ABCs
|
|
# as real base classes or mix-in classes.
|
|
|
|
def test_Set(self):
|
|
for sample in [set, frozenset]:
|
|
self.failUnless(isinstance(sample(), Set))
|
|
self.failUnless(issubclass(sample, Set))
|
|
|
|
def test_MutableSet(self):
|
|
self.failUnless(isinstance(set(), MutableSet))
|
|
self.failUnless(issubclass(set, MutableSet))
|
|
self.failIf(isinstance(frozenset(), MutableSet))
|
|
self.failIf(issubclass(frozenset, MutableSet))
|
|
|
|
def test_Mapping(self):
|
|
for sample in [dict]:
|
|
self.failUnless(isinstance(sample(), Mapping))
|
|
self.failUnless(issubclass(sample, Mapping))
|
|
|
|
def test_MutableMapping(self):
|
|
for sample in [dict]:
|
|
self.failUnless(isinstance(sample(), MutableMapping))
|
|
self.failUnless(issubclass(sample, MutableMapping))
|
|
|
|
def test_Sequence(self):
|
|
for sample in [tuple, list, bytes, str]:
|
|
self.failUnless(isinstance(sample(), Sequence))
|
|
self.failUnless(issubclass(sample, Sequence))
|
|
self.failUnless(issubclass(str, Sequence))
|
|
|
|
def test_ByteString(self):
|
|
for sample in [bytes, bytearray]:
|
|
self.failUnless(isinstance(sample(), ByteString))
|
|
self.failUnless(issubclass(sample, ByteString))
|
|
for sample in [str, list, tuple]:
|
|
self.failIf(isinstance(sample(), ByteString))
|
|
self.failIf(issubclass(sample, ByteString))
|
|
self.failIf(isinstance(memoryview(b""), ByteString))
|
|
self.failIf(issubclass(memoryview, ByteString))
|
|
|
|
def test_MutableSequence(self):
|
|
for sample in [tuple, str, bytes]:
|
|
self.failIf(isinstance(sample(), MutableSequence))
|
|
self.failIf(issubclass(sample, MutableSequence))
|
|
for sample in [list, bytearray]:
|
|
self.failUnless(isinstance(sample(), MutableSequence))
|
|
self.failUnless(issubclass(sample, MutableSequence))
|
|
self.failIf(issubclass(str, MutableSequence))
|
|
|
|
import doctest, collections
|
|
|
|
def test_main(verbose=None):
|
|
NamedTupleDocs = doctest.DocTestSuite(module=collections)
|
|
test_classes = [TestNamedTuple, NamedTupleDocs, TestOneTrickPonyABCs, TestCollectionABCs]
|
|
test_support.run_unittest(*test_classes)
|
|
test_support.run_doctest(collections, verbose)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test_main(verbose=True)
|