symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_userdict.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_userdict.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,349 @@
+# 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.assert_(u1.fromkeys('one two'.split()) is not u1)
+        self.assert_(isinstance(u1.fromkeys('one two'.split()), UserDict.UserDict))
+        self.assert_(isinstance(u2.fromkeys('one two'.split()), UserDict.IterableUserDict))
+
+        # Test __repr__
+        self.assertEqual(str(u0), str(d0))
+        self.assertEqual(repr(u1), repr(d1))
+        self.assertEqual(`u2`, `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.assert_(u2.has_key(i))
+            self.assert_(i in u2)
+            self.assertEqual(u1.has_key(i), d1.has_key(i))
+            self.assertEqual(i in u1, i in d1)
+            self.assertEqual(u0.has_key(i), d0.has_key(i))
+            self.assertEqual(i in u0, i in d0)
+
+        # 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.assert_(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.assert_(2 not in d)
+        self.assert_(2 not in 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.assert_(s.has_key(10))
+        self.assert_(not s.has_key(20))
+
+        # __contains__
+        self.assert_(10 in s)
+        self.assert_(20 not in 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.assert_(10 not in 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.assert_(k not in 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()