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-rw-r--r--lib/python2.7/test/test_userdict.py350
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diff --git a/lib/python2.7/test/test_userdict.py b/lib/python2.7/test/test_userdict.py
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+# Check every path through every method of UserDict
+
+from test import test_support, mapping_tests
+import UserDict
+
+d0 = {}
+d1 = {"one": 1}
+d2 = {"one": 1, "two": 2}
+d3 = {"one": 1, "two": 3, "three": 5}
+d4 = {"one": None, "two": None}
+d5 = {"one": 1, "two": 1}
+
+class UserDictTest(mapping_tests.TestHashMappingProtocol):
+ type2test = UserDict.IterableUserDict
+
+ def test_all(self):
+ # Test constructors
+ u = UserDict.UserDict()
+ u0 = UserDict.UserDict(d0)
+ u1 = UserDict.UserDict(d1)
+ u2 = UserDict.IterableUserDict(d2)
+
+ uu = UserDict.UserDict(u)
+ uu0 = UserDict.UserDict(u0)
+ uu1 = UserDict.UserDict(u1)
+ uu2 = UserDict.UserDict(u2)
+
+ # keyword arg constructor
+ self.assertEqual(UserDict.UserDict(one=1, two=2), d2)
+ # item sequence constructor
+ self.assertEqual(UserDict.UserDict([('one',1), ('two',2)]), d2)
+ self.assertEqual(UserDict.UserDict(dict=[('one',1), ('two',2)]), d2)
+ # both together
+ self.assertEqual(UserDict.UserDict([('one',1), ('two',2)], two=3, three=5), d3)
+
+ # alternate constructor
+ self.assertEqual(UserDict.UserDict.fromkeys('one two'.split()), d4)
+ self.assertEqual(UserDict.UserDict().fromkeys('one two'.split()), d4)
+ self.assertEqual(UserDict.UserDict.fromkeys('one two'.split(), 1), d5)
+ self.assertEqual(UserDict.UserDict().fromkeys('one two'.split(), 1), d5)
+ self.assertTrue(u1.fromkeys('one two'.split()) is not u1)
+ self.assertIsInstance(u1.fromkeys('one two'.split()), UserDict.UserDict)
+ self.assertIsInstance(u2.fromkeys('one two'.split()), UserDict.IterableUserDict)
+
+ # Test __repr__
+ self.assertEqual(str(u0), str(d0))
+ self.assertEqual(repr(u1), repr(d1))
+ self.assertEqual(repr(u2), repr(d2))
+
+ # Test __cmp__ and __len__
+ all = [d0, d1, d2, u, u0, u1, u2, uu, uu0, uu1, uu2]
+ for a in all:
+ for b in all:
+ self.assertEqual(cmp(a, b), cmp(len(a), len(b)))
+
+ # Test __getitem__
+ self.assertEqual(u2["one"], 1)
+ self.assertRaises(KeyError, u1.__getitem__, "two")
+
+ # Test __setitem__
+ u3 = UserDict.UserDict(u2)
+ u3["two"] = 2
+ u3["three"] = 3
+
+ # Test __delitem__
+ del u3["three"]
+ self.assertRaises(KeyError, u3.__delitem__, "three")
+
+ # Test clear
+ u3.clear()
+ self.assertEqual(u3, {})
+
+ # Test copy()
+ u2a = u2.copy()
+ self.assertEqual(u2a, u2)
+ u2b = UserDict.UserDict(x=42, y=23)
+ u2c = u2b.copy() # making a copy of a UserDict is special cased
+ self.assertEqual(u2b, u2c)
+
+ class MyUserDict(UserDict.UserDict):
+ def display(self): print self
+
+ m2 = MyUserDict(u2)
+ m2a = m2.copy()
+ self.assertEqual(m2a, m2)
+
+ # SF bug #476616 -- copy() of UserDict subclass shared data
+ m2['foo'] = 'bar'
+ self.assertNotEqual(m2a, m2)
+
+ # Test keys, items, values
+ self.assertEqual(u2.keys(), d2.keys())
+ self.assertEqual(u2.items(), d2.items())
+ self.assertEqual(u2.values(), d2.values())
+
+ # Test has_key and "in".
+ for i in u2.keys():
+ self.assertIn(i, u2)
+ self.assertEqual(i in u1, i in d1)
+ self.assertEqual(i in u0, i in d0)
+ with test_support.check_py3k_warnings():
+ self.assertTrue(u2.has_key(i))
+ self.assertEqual(u1.has_key(i), d1.has_key(i))
+ self.assertEqual(u0.has_key(i), d0.has_key(i))
+
+ # Test update
+ t = UserDict.UserDict()
+ t.update(u2)
+ self.assertEqual(t, u2)
+ class Items:
+ def items(self):
+ return (("x", 42), ("y", 23))
+ t = UserDict.UserDict()
+ t.update(Items())
+ self.assertEqual(t, {"x": 42, "y": 23})
+
+ # Test get
+ for i in u2.keys():
+ self.assertEqual(u2.get(i), u2[i])
+ self.assertEqual(u1.get(i), d1.get(i))
+ self.assertEqual(u0.get(i), d0.get(i))
+
+ # Test "in" iteration.
+ for i in xrange(20):
+ u2[i] = str(i)
+ ikeys = []
+ for k in u2:
+ ikeys.append(k)
+ keys = u2.keys()
+ self.assertEqual(set(ikeys), set(keys))
+
+ # Test setdefault
+ t = UserDict.UserDict()
+ self.assertEqual(t.setdefault("x", 42), 42)
+ self.assertTrue(t.has_key("x"))
+ self.assertEqual(t.setdefault("x", 23), 42)
+
+ # Test pop
+ t = UserDict.UserDict(x=42)
+ self.assertEqual(t.pop("x"), 42)
+ self.assertRaises(KeyError, t.pop, "x")
+ self.assertEqual(t.pop("x", 1), 1)
+ t["x"] = 42
+ self.assertEqual(t.pop("x", 1), 42)
+
+ # Test popitem
+ t = UserDict.UserDict(x=42)
+ self.assertEqual(t.popitem(), ("x", 42))
+ self.assertRaises(KeyError, t.popitem)
+
+ def test_missing(self):
+ # Make sure UserDict doesn't have a __missing__ method
+ self.assertEqual(hasattr(UserDict, "__missing__"), False)
+ # Test several cases:
+ # (D) subclass defines __missing__ method returning a value
+ # (E) subclass defines __missing__ method raising RuntimeError
+ # (F) subclass sets __missing__ instance variable (no effect)
+ # (G) subclass doesn't define __missing__ at a all
+ class D(UserDict.UserDict):
+ def __missing__(self, key):
+ return 42
+ d = D({1: 2, 3: 4})
+ self.assertEqual(d[1], 2)
+ self.assertEqual(d[3], 4)
+ self.assertNotIn(2, d)
+ self.assertNotIn(2, d.keys())
+ self.assertEqual(d[2], 42)
+ class E(UserDict.UserDict):
+ def __missing__(self, key):
+ raise RuntimeError(key)
+ e = E()
+ try:
+ e[42]
+ except RuntimeError, err:
+ self.assertEqual(err.args, (42,))
+ else:
+ self.fail("e[42] didn't raise RuntimeError")
+ class F(UserDict.UserDict):
+ def __init__(self):
+ # An instance variable __missing__ should have no effect
+ self.__missing__ = lambda key: None
+ UserDict.UserDict.__init__(self)
+ f = F()
+ try:
+ f[42]
+ except KeyError, err:
+ self.assertEqual(err.args, (42,))
+ else:
+ self.fail("f[42] didn't raise KeyError")
+ class G(UserDict.UserDict):
+ pass
+ g = G()
+ try:
+ g[42]
+ except KeyError, err:
+ self.assertEqual(err.args, (42,))
+ else:
+ self.fail("g[42] didn't raise KeyError")
+
+##########################
+# Test Dict Mixin
+
+class SeqDict(UserDict.DictMixin):
+ """Dictionary lookalike implemented with lists.
+
+ Used to test and demonstrate DictMixin
+ """
+ def __init__(self, other=None, **kwargs):
+ self.keylist = []
+ self.valuelist = []
+ if other is not None:
+ for (key, value) in other:
+ self[key] = value
+ for (key, value) in kwargs.iteritems():
+ self[key] = value
+ def __getitem__(self, key):
+ try:
+ i = self.keylist.index(key)
+ except ValueError:
+ raise KeyError
+ return self.valuelist[i]
+ def __setitem__(self, key, value):
+ try:
+ i = self.keylist.index(key)
+ self.valuelist[i] = value
+ except ValueError:
+ self.keylist.append(key)
+ self.valuelist.append(value)
+ def __delitem__(self, key):
+ try:
+ i = self.keylist.index(key)
+ except ValueError:
+ raise KeyError
+ self.keylist.pop(i)
+ self.valuelist.pop(i)
+ def keys(self):
+ return list(self.keylist)
+ def copy(self):
+ d = self.__class__()
+ for key, value in self.iteritems():
+ d[key] = value
+ return d
+ @classmethod
+ def fromkeys(cls, keys, value=None):
+ d = cls()
+ for key in keys:
+ d[key] = value
+ return d
+
+class UserDictMixinTest(mapping_tests.TestMappingProtocol):
+ type2test = SeqDict
+
+ def test_all(self):
+ ## Setup test and verify working of the test class
+
+ # check init
+ s = SeqDict()
+
+ # exercise setitem
+ s[10] = 'ten'
+ s[20] = 'twenty'
+ s[30] = 'thirty'
+
+ # exercise delitem
+ del s[20]
+ # check getitem and setitem
+ self.assertEqual(s[10], 'ten')
+ # check keys() and delitem
+ self.assertEqual(s.keys(), [10, 30])
+
+ ## Now, test the DictMixin methods one by one
+ # has_key
+ self.assertTrue(s.has_key(10))
+ self.assertTrue(not s.has_key(20))
+
+ # __contains__
+ self.assertIn(10, s)
+ self.assertNotIn(20, s)
+
+ # __iter__
+ self.assertEqual([k for k in s], [10, 30])
+
+ # __len__
+ self.assertEqual(len(s), 2)
+
+ # iteritems
+ self.assertEqual(list(s.iteritems()), [(10,'ten'), (30, 'thirty')])
+
+ # iterkeys
+ self.assertEqual(list(s.iterkeys()), [10, 30])
+
+ # itervalues
+ self.assertEqual(list(s.itervalues()), ['ten', 'thirty'])
+
+ # values
+ self.assertEqual(s.values(), ['ten', 'thirty'])
+
+ # items
+ self.assertEqual(s.items(), [(10,'ten'), (30, 'thirty')])
+
+ # get
+ self.assertEqual(s.get(10), 'ten')
+ self.assertEqual(s.get(15,'fifteen'), 'fifteen')
+ self.assertEqual(s.get(15), None)
+
+ # setdefault
+ self.assertEqual(s.setdefault(40, 'forty'), 'forty')
+ self.assertEqual(s.setdefault(10, 'null'), 'ten')
+ del s[40]
+
+ # pop
+ self.assertEqual(s.pop(10), 'ten')
+ self.assertNotIn(10, s)
+ s[10] = 'ten'
+ self.assertEqual(s.pop("x", 1), 1)
+ s["x"] = 42
+ self.assertEqual(s.pop("x", 1), 42)
+
+ # popitem
+ k, v = s.popitem()
+ self.assertNotIn(k, s)
+ s[k] = v
+
+ # clear
+ s.clear()
+ self.assertEqual(len(s), 0)
+
+ # empty popitem
+ self.assertRaises(KeyError, s.popitem)
+
+ # update
+ s.update({10: 'ten', 20:'twenty'})
+ self.assertEqual(s[10], 'ten')
+ self.assertEqual(s[20], 'twenty')
+
+ # cmp
+ self.assertEqual(s, {10: 'ten', 20:'twenty'})
+ t = SeqDict()
+ t[20] = 'twenty'
+ t[10] = 'ten'
+ self.assertEqual(s, t)
+
+def test_main():
+ test_support.run_unittest(
+ UserDictTest,
+ UserDictMixinTest
+ )
+
+if __name__ == "__main__":
+ test_main()
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 17:31:58 +0000