--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_collections.py Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,358 @@
+import unittest, doctest
+from test import test_support
+from collections import namedtuple
+import pickle, cPickle, copy
+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
+
+TestNT = namedtuple('TestNT', 'x y z') # type used for pickle tests
+
+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
+
+ nt = namedtuple('nt', u'the quick brown fox') # check unicode input
+ self.assert_("u'" not in repr(nt._fields))
+ nt = namedtuple('nt', (u'the', u'quick')) # check unicode input
+ self.assert_("u'" not in repr(nt._fields))
+
+ 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 = 5000
+ import string, random
+ names = list(set(''.join([random.choice(string.ascii_letters)
+ for j in range(10)]) for i in range(n)))
+ n = len(names)
+ 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 = range(n)
+ b2_expected[1] = 999
+ b2_expected[-5] = 42
+ self.assertEqual(b2, tuple(b2_expected))
+ self.assertEqual(b._fields, tuple(names))
+
+ def test_pickle(self):
+ p = TestNT(x=10, y=20, z=30)
+ for module in pickle, cPickle:
+ loads = getattr(module, 'loads')
+ dumps = getattr(module, 'dumps')
+ for protocol in -1, 0, 1, 2:
+ q = loads(dumps(p, protocol))
+ self.assertEqual(p, q)
+ self.assertEqual(p._fields, q._fields)
+
+ def test_copy(self):
+ p = TestNT(x=10, y=20, z=30)
+ for copier in copy.copy, copy.deepcopy:
+ q = copier(p)
+ self.assertEqual(p, q)
+ self.assertEqual(p._fields, q._fields)
+
+class TestOneTrickPonyABCs(unittest.TestCase):
+
+ def test_Hashable(self):
+ # Check some non-hashables
+ non_samples = [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,
+ ]
+ 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(H, self).__hash__()
+ __eq__ = Hashable.__eq__ # Silence Py3k warning
+ 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 = [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(I, self).__iter__()
+ self.assertEqual(list(I()), [])
+ self.failIf(issubclass(str, I))
+
+ def test_Iterator(self):
+ non_samples = [None, 42, 3.14, 1j, "".encode('ascii'), "", (), [],
+ {}, set()]
+ for x in non_samples:
+ self.failIf(isinstance(x, Iterator), repr(x))
+ self.failIf(issubclass(type(x), Iterator), repr(type(x)))
+ samples = [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 = [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 = [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,
+ "", "".encode('ascii'), (), [], {}, 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:
+ __metaclass__ = type
+ __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_hash_Set(self):
+ class OneTwoThreeSet(Set):
+ def __init__(self):
+ self.contents = [1, 2, 3]
+ def __contains__(self, x):
+ return x in self.contents
+ def __len__(self):
+ return len(self.contents)
+ def __iter__(self):
+ return iter(self.contents)
+ def __hash__(self):
+ return self._hash()
+ a, b = OneTwoThreeSet(), OneTwoThreeSet()
+ self.failUnless(hash(a) == hash(b))
+
+ 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, str]:
+ self.failUnless(isinstance(sample(), Sequence))
+ self.failUnless(issubclass(sample, Sequence))
+ self.failUnless(issubclass(basestring, Sequence))
+
+ def test_MutableSequence(self):
+ for sample in [tuple, str]:
+ self.failIf(isinstance(sample(), MutableSequence))
+ self.failIf(issubclass(sample, MutableSequence))
+ for sample in [list]:
+ self.failUnless(isinstance(sample(), MutableSequence))
+ self.failUnless(issubclass(sample, MutableSequence))
+ self.failIf(issubclass(basestring, 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)