diff options
Diffstat (limited to 'Lib')
-rw-r--r-- | Lib/test/mapping_tests.py | 672 | ||||
-rw-r--r-- | Lib/test/output/test_types | 2 | ||||
-rw-r--r-- | Lib/test/test_os.py | 4 | ||||
-rw-r--r-- | Lib/test/test_shelve.py | 6 | ||||
-rw-r--r-- | Lib/test/test_types.py | 228 | ||||
-rw-r--r-- | Lib/test/test_userdict.py | 148 | ||||
-rw-r--r-- | Lib/test/test_weakref.py | 6 |
7 files changed, 705 insertions, 361 deletions
diff --git a/Lib/test/mapping_tests.py b/Lib/test/mapping_tests.py new file mode 100644 index 0000000..c0b70a7 --- /dev/null +++ b/Lib/test/mapping_tests.py @@ -0,0 +1,672 @@ +# tests common to dict and UserDict +import unittest +import UserDict + + +class BasicTestMappingProtocol(unittest.TestCase): + # This base class can be used to check that an object conforms to the + # mapping protocol + + # Functions that can be useful to override to adapt to dictionary + # semantics + _tested_class = None # which class is being tested (overwrite in subclasses) + + def _reference(self): + """Return a dictionary of values which are invariant by storage + in the object under test.""" + return {1:2, "key1":"value1", "key2":(1,2,3)} + def _empty_mapping(self): + """Return an empty mapping object""" + return self._tested_class() + def _full_mapping(self, data): + """Return a mapping object with the value contained in data + dictionary""" + x = self._empty_mapping() + for key, value in data.items(): + x[key] = value + return x + + def __init__(self, *args, **kw): + unittest.TestCase.__init__(self, *args, **kw) + self.reference = self._reference().copy() + + # A (key, value) pair not in the mapping + key, value = self.reference.popitem() + self.other = {key:value} + + # A (key, value) pair in the mapping + key, value = self.reference.popitem() + self.inmapping = {key:value} + self.reference[key] = value + + def test_read(self): + # Test for read only operations on mapping + p = self._empty_mapping() + p1 = dict(p) #workaround for singleton objects + d = self._full_mapping(self.reference) + if d is p: + p = p1 + #Indexing + for key, value in self.reference.items(): + self.assertEqual(d[key], value) + knownkey = self.other.keys()[0] + self.failUnlessRaises(KeyError, lambda:d[knownkey]) + #len + self.assertEqual(len(p), 0) + self.assertEqual(len(d), len(self.reference)) + #has_key + for k in self.reference: + self.assert_(d.has_key(k)) + self.assert_(k in d) + for k in self.other: + self.failIf(d.has_key(k)) + self.failIf(k in d) + #cmp + self.assertEqual(cmp(p,p), 0) + self.assertEqual(cmp(d,d), 0) + self.assertEqual(cmp(p,d), -1) + self.assertEqual(cmp(d,p), 1) + #__non__zero__ + if p: self.fail("Empty mapping must compare to False") + if not d: self.fail("Full mapping must compare to True") + # keys(), items(), iterkeys() ... + def check_iterandlist(iter, lst, ref): + self.assert_(hasattr(iter, 'next')) + self.assert_(hasattr(iter, '__iter__')) + x = list(iter) + self.assert_(set(x)==set(lst)==set(ref)) + check_iterandlist(d.iterkeys(), d.keys(), self.reference.keys()) + check_iterandlist(iter(d), d.keys(), self.reference.keys()) + check_iterandlist(d.itervalues(), d.values(), self.reference.values()) + check_iterandlist(d.iteritems(), d.items(), self.reference.items()) + #get + key, value = d.iteritems().next() + knownkey, knownvalue = self.other.iteritems().next() + self.assertEqual(d.get(key, knownvalue), value) + self.assertEqual(d.get(knownkey, knownvalue), knownvalue) + self.failIf(knownkey in d) + + def test_write(self): + # Test for write operations on mapping + p = self._empty_mapping() + #Indexing + for key, value in self.reference.items(): + p[key] = value + self.assertEqual(p[key], value) + for key in self.reference.keys(): + del p[key] + self.failUnlessRaises(KeyError, lambda:p[key]) + p = self._empty_mapping() + #update + p.update(self.reference) + self.assertEqual(dict(p), self.reference) + items = p.items() + p = self._empty_mapping() + p.update(items) + self.assertEqual(dict(p), self.reference) + d = self._full_mapping(self.reference) + #setdefault + key, value = d.iteritems().next() + knownkey, knownvalue = self.other.iteritems().next() + self.assertEqual(d.setdefault(key, knownvalue), value) + self.assertEqual(d[key], value) + self.assertEqual(d.setdefault(knownkey, knownvalue), knownvalue) + self.assertEqual(d[knownkey], knownvalue) + #pop + self.assertEqual(d.pop(knownkey), knownvalue) + self.failIf(knownkey in d) + self.assertRaises(KeyError, d.pop, knownkey) + default = 909 + d[knownkey] = knownvalue + self.assertEqual(d.pop(knownkey, default), knownvalue) + self.failIf(knownkey in d) + self.assertEqual(d.pop(knownkey, default), default) + #popitem + key, value = d.popitem() + self.failIf(key in d) + self.assertEqual(value, self.reference[key]) + p=self._empty_mapping() + self.assertRaises(KeyError, p.popitem) + + def test_constructor(self): + self.assertEqual(self._empty_mapping(), self._empty_mapping()) + + def test_bool(self): + self.assert_(not self._empty_mapping()) + self.assert_(self.reference) + self.assert_(bool(self._empty_mapping()) is False) + self.assert_(bool(self.reference) is True) + + def test_keys(self): + d = self._empty_mapping() + self.assertEqual(d.keys(), []) + d = self.reference + self.assert_(self.inmapping.keys()[0] in d.keys()) + self.assert_(self.other.keys()[0] not in d.keys()) + self.assertRaises(TypeError, d.keys, None) + + def test_values(self): + d = self._empty_mapping() + self.assertEqual(d.values(), []) + + self.assertRaises(TypeError, d.values, None) + + def test_items(self): + d = self._empty_mapping() + self.assertEqual(d.items(), []) + + self.assertRaises(TypeError, d.items, None) + + def test_len(self): + d = self._empty_mapping() + self.assertEqual(len(d), 0) + + def test_getitem(self): + d = self.reference + self.assertEqual(d[self.inmapping.keys()[0]], self.inmapping.values()[0]) + + self.assertRaises(TypeError, d.__getitem__) + + def test_update(self): + # mapping argument + d = self._empty_mapping() + d.update(self.other) + self.assertEqual(d.items(), self.other.items()) + + # No argument + d = self._empty_mapping() + d.update() + self.assertEqual(d, self._empty_mapping()) + + # item sequence + d = self._empty_mapping() + d.update(self.other.items()) + self.assertEqual(d.items(), self.other.items()) + + # Iterator + d = self._empty_mapping() + d.update(self.other.iteritems()) + self.assertEqual(d.items(), self.other.items()) + + # FIXME: Doesn't work with UserDict + # self.assertRaises((TypeError, AttributeError), d.update, None) + self.assertRaises((TypeError, AttributeError), d.update, 42) + + outerself = self + class SimpleUserDict: + def __init__(self): + self.d = outerself.reference + def keys(self): + return self.d.keys() + def __getitem__(self, i): + return self.d[i] + d.clear() + d.update(SimpleUserDict()) + i1 = d.items() + i2 = self.reference.items() + i1.sort() + i2.sort() + self.assertEqual(i1, i2) + + class Exc(Exception): pass + + d = self._empty_mapping() + class FailingUserDict: + def keys(self): + raise Exc + self.assertRaises(Exc, d.update, FailingUserDict()) + + d.clear() + + class FailingUserDict: + def keys(self): + class BogonIter: + def __init__(self): + self.i = 1 + def __iter__(self): + return self + def next(self): + if self.i: + self.i = 0 + return 'a' + raise Exc + return BogonIter() + def __getitem__(self, key): + return key + self.assertRaises(Exc, d.update, FailingUserDict()) + + class FailingUserDict: + def keys(self): + class BogonIter: + def __init__(self): + self.i = ord('a') + def __iter__(self): + return self + def next(self): + if self.i <= ord('z'): + rtn = chr(self.i) + self.i += 1 + return rtn + raise StopIteration + return BogonIter() + def __getitem__(self, key): + raise Exc + self.assertRaises(Exc, d.update, FailingUserDict()) + + d = self._empty_mapping() + class badseq(object): + def __iter__(self): + return self + def next(self): + raise Exc() + + self.assertRaises(Exc, d.update, badseq()) + + self.assertRaises(ValueError, d.update, [(1, 2, 3)]) + + # no test_fromkeys or test_copy as both os.environ and selves don't support it + + def test_get(self): + d = self._empty_mapping() + self.assert_(d.get(self.other.keys()[0]) is None) + self.assertEqual(d.get(self.other.keys()[0], 3), 3) + d = self.reference + self.assert_(d.get(self.other.keys()[0]) is None) + self.assertEqual(d.get(self.other.keys()[0], 3), 3) + self.assertEqual(d.get(self.inmapping.keys()[0]), self.inmapping.values()[0]) + self.assertEqual(d.get(self.inmapping.keys()[0], 3), self.inmapping.values()[0]) + self.assertRaises(TypeError, d.get) + self.assertRaises(TypeError, d.get, None, None, None) + + def test_setdefault(self): + d = self._empty_mapping() + self.assertRaises(TypeError, d.setdefault) + + def test_popitem(self): + d = self._empty_mapping() + self.assertRaises(KeyError, d.popitem) + self.assertRaises(TypeError, d.popitem, 42) + + def test_pop(self): + d = self._empty_mapping() + k, v = self.inmapping.items()[0] + d[k] = v + self.assertRaises(KeyError, d.pop, self.other.keys()[0]) + + self.assertEqual(d.pop(k), v) + self.assertEqual(len(d), 0) + + self.assertRaises(KeyError, d.pop, k) + + +class TestMappingProtocol(BasicTestMappingProtocol): + def test_constructor(self): + BasicTestMappingProtocol.test_constructor(self) + self.assert_(self._empty_mapping() is not self._empty_mapping()) + self.assertEqual(self._tested_class(x=1, y=2), {"x": 1, "y": 2}) + + def test_bool(self): + BasicTestMappingProtocol.test_bool(self) + self.assert_(not self._empty_mapping()) + self.assert_(self._full_mapping({"x": "y"})) + self.assert_(bool(self._empty_mapping()) is False) + self.assert_(bool(self._full_mapping({"x": "y"})) is True) + + def test_keys(self): + BasicTestMappingProtocol.test_keys(self) + d = self._empty_mapping() + self.assertEqual(d.keys(), []) + d = self._full_mapping({'a': 1, 'b': 2}) + k = d.keys() + self.assert_('a' in k) + self.assert_('b' in k) + self.assert_('c' not in k) + + def test_values(self): + BasicTestMappingProtocol.test_values(self) + d = self._full_mapping({1:2}) + self.assertEqual(d.values(), [2]) + + def test_items(self): + BasicTestMappingProtocol.test_items(self) + + d = self._full_mapping({1:2}) + self.assertEqual(d.items(), [(1, 2)]) + + def test_has_key(self): + d = self._empty_mapping() + self.assert_(not d.has_key('a')) + d = self._full_mapping({'a': 1, 'b': 2}) + k = d.keys() + k.sort() + self.assertEqual(k, ['a', 'b']) + + self.assertRaises(TypeError, d.has_key) + + def test_contains(self): + d = self._empty_mapping() + self.assert_(not ('a' in d)) + self.assert_('a' not in d) + d = self._full_mapping({'a': 1, 'b': 2}) + self.assert_('a' in d) + self.assert_('b' in d) + self.assert_('c' not in d) + + self.assertRaises(TypeError, d.__contains__) + + def test_len(self): + BasicTestMappingProtocol.test_len(self) + d = self._full_mapping({'a': 1, 'b': 2}) + self.assertEqual(len(d), 2) + + def test_getitem(self): + BasicTestMappingProtocol.test_getitem(self) + d = self._full_mapping({'a': 1, 'b': 2}) + self.assertEqual(d['a'], 1) + self.assertEqual(d['b'], 2) + d['c'] = 3 + d['a'] = 4 + self.assertEqual(d['c'], 3) + self.assertEqual(d['a'], 4) + del d['b'] + self.assertEqual(d, {'a': 4, 'c': 3}) + + self.assertRaises(TypeError, d.__getitem__) + + def test_clear(self): + d = self._full_mapping({1:1, 2:2, 3:3}) + d.clear() + self.assertEqual(d, {}) + + self.assertRaises(TypeError, d.clear, None) + + def test_update(self): + BasicTestMappingProtocol.test_update(self) + # mapping argument + d = self._empty_mapping() + d.update({1:100}) + d.update({2:20}) + d.update({1:1, 2:2, 3:3}) + self.assertEqual(d, {1:1, 2:2, 3:3}) + + # no argument + d.update() + self.assertEqual(d, {1:1, 2:2, 3:3}) + + # keyword arguments + d = self._empty_mapping() + d.update(x=100) + d.update(y=20) + d.update(x=1, y=2, z=3) + self.assertEqual(d, {"x":1, "y":2, "z":3}) + + # item sequence + d = self._empty_mapping() + d.update([("x", 100), ("y", 20)]) + self.assertEqual(d, {"x":100, "y":20}) + + # Both item sequence and keyword arguments + d = self._empty_mapping() + d.update([("x", 100), ("y", 20)], x=1, y=2) + self.assertEqual(d, {"x":1, "y":2}) + + # iterator + d = self._full_mapping({1:3, 2:4}) + d.update(self._full_mapping({1:2, 3:4, 5:6}).iteritems()) + self.assertEqual(d, {1:2, 2:4, 3:4, 5:6}) + + class SimpleUserDict: + def __init__(self): + self.d = {1:1, 2:2, 3:3} + def keys(self): + return self.d.keys() + def __getitem__(self, i): + return self.d[i] + d.clear() + d.update(SimpleUserDict()) + self.assertEqual(d, {1:1, 2:2, 3:3}) + + def test_fromkeys(self): + self.assertEqual(self._tested_class.fromkeys('abc'), {'a':None, 'b':None, 'c':None}) + d = self._empty_mapping() + self.assert_(not(d.fromkeys('abc') is d)) + self.assertEqual(d.fromkeys('abc'), {'a':None, 'b':None, 'c':None}) + self.assertEqual(d.fromkeys((4,5),0), {4:0, 5:0}) + self.assertEqual(d.fromkeys([]), {}) + def g(): + yield 1 + self.assertEqual(d.fromkeys(g()), {1:None}) + self.assertRaises(TypeError, {}.fromkeys, 3) + class dictlike(self._tested_class): pass + self.assertEqual(dictlike.fromkeys('a'), {'a':None}) + self.assertEqual(dictlike().fromkeys('a'), {'a':None}) + self.assert_(dictlike.fromkeys('a').__class__ is dictlike) + self.assert_(dictlike().fromkeys('a').__class__ is dictlike) + # FIXME: the following won't work with UserDict, because it's an old style class + # self.assert_(type(dictlike.fromkeys('a')) is dictlike) + class mydict(self._tested_class): + def __new__(cls): + return UserDict.UserDict() + ud = mydict.fromkeys('ab') + self.assertEqual(ud, {'a':None, 'b':None}) + # FIXME: the following won't work with UserDict, because it's an old style class + # self.assert_(isinstance(ud, UserDict.UserDict)) + self.assertRaises(TypeError, dict.fromkeys) + + class Exc(Exception): pass + + class baddict1(self._tested_class): + def __init__(self): + raise Exc() + + self.assertRaises(Exc, baddict1.fromkeys, [1]) + + class BadSeq(object): + def __iter__(self): + return self + def next(self): + raise Exc() + + self.assertRaises(Exc, self._tested_class.fromkeys, BadSeq()) + + class baddict2(self._tested_class): + def __setitem__(self, key, value): + raise Exc() + + self.assertRaises(Exc, baddict2.fromkeys, [1]) + + def test_copy(self): + d = self._full_mapping({1:1, 2:2, 3:3}) + self.assertEqual(d.copy(), {1:1, 2:2, 3:3}) + d = self._empty_mapping() + self.assertEqual(d.copy(), d) + self.assert_(isinstance(d.copy(), d.__class__)) + self.assertRaises(TypeError, d.copy, None) + + def test_get(self): + BasicTestMappingProtocol.test_get(self) + d = self._empty_mapping() + self.assert_(d.get('c') is None) + self.assertEqual(d.get('c', 3), 3) + d = self._full_mapping({'a' : 1, 'b' : 2}) + self.assert_(d.get('c') is None) + self.assertEqual(d.get('c', 3), 3) + self.assertEqual(d.get('a'), 1) + self.assertEqual(d.get('a', 3), 1) + + def test_setdefault(self): + BasicTestMappingProtocol.test_setdefault(self) + d = self._empty_mapping() + self.assert_(d.setdefault('key0') is None) + d.setdefault('key0', []) + self.assert_(d.setdefault('key0') is None) + d.setdefault('key', []).append(3) + self.assertEqual(d['key'][0], 3) + d.setdefault('key', []).append(4) + self.assertEqual(len(d['key']), 2) + + def test_popitem(self): + BasicTestMappingProtocol.test_popitem(self) + for copymode in -1, +1: + # -1: b has same structure as a + # +1: b is a.copy() + for log2size in range(12): + size = 2**log2size + a = self._empty_mapping() + b = self._empty_mapping() + for i in range(size): + a[repr(i)] = i + if copymode < 0: + b[repr(i)] = i + if copymode > 0: + b = a.copy() + for i in range(size): + ka, va = ta = a.popitem() + self.assertEqual(va, int(ka)) + kb, vb = tb = b.popitem() + self.assertEqual(vb, int(kb)) + self.assert_(not(copymode < 0 and ta != tb)) + self.assert_(not a) + self.assert_(not b) + + def test_pop(self): + BasicTestMappingProtocol.test_pop(self) + + # Tests for pop with specified key + d = self._empty_mapping() + k, v = 'abc', 'def' + + # verify longs/ints get same value when key > 32 bits (for 64-bit archs) + # see SF bug #689659 + x = 4503599627370496L + y = 4503599627370496 + h = self._full_mapping({x: 'anything', y: 'something else'}) + self.assertEqual(h[x], h[y]) + + self.assertEqual(d.pop(k, v), v) + d[k] = v + self.assertEqual(d.pop(k, 1), v) + + +class TestHashMappingProtocol(TestMappingProtocol): + + def test_getitem(self): + TestMappingProtocol.test_getitem(self) + class Exc(Exception): pass + + class BadEq(object): + def __eq__(self, other): + raise Exc() + + d = self._empty_mapping() + d[BadEq()] = 42 + self.assertRaises(KeyError, d.__getitem__, 23) + + class BadHash(object): + fail = False + def __hash__(self): + if self.fail: + raise Exc() + else: + return 42 + + d = self._empty_mapping() + x = BadHash() + d[x] = 42 + x.fail = True + self.assertRaises(Exc, d.__getitem__, x) + + def test_fromkeys(self): + TestMappingProtocol.test_fromkeys(self) + class mydict(self._tested_class): + def __new__(cls): + return UserDict.UserDict() + ud = mydict.fromkeys('ab') + self.assertEqual(ud, {'a':None, 'b':None}) + self.assert_(isinstance(ud, UserDict.UserDict)) + + def test_pop(self): + TestMappingProtocol.test_pop(self) + + class Exc(Exception): pass + + class BadHash(object): + fail = False + def __hash__(self): + if self.fail: + raise Exc() + else: + return 42 + + d = self._empty_mapping() + x = BadHash() + d[x] = 42 + x.fail = True + self.assertRaises(Exc, d.pop, x) + + def test_mutatingiteration(self): + d = self._empty_mapping() + d[1] = 1 + try: + for i in d: + d[i+1] = 1 + except RuntimeError: + pass + else: + self.fail("changing dict size during iteration doesn't raise Error") + + def test_repr(self): + d = self._empty_mapping() + self.assertEqual(repr(d), '{}') + d[1] = 2 + self.assertEqual(repr(d), '{1: 2}') + d = self._empty_mapping() + d[1] = d + self.assertEqual(repr(d), '{1: {...}}') + + class Exc(Exception): pass + + class BadRepr(object): + def __repr__(self): + raise Exc() + + d = self._full_mapping({1: BadRepr()}) + self.assertRaises(Exc, repr, d) + + def test_le(self): + self.assert_(not (self._empty_mapping() < self._empty_mapping())) + self.assert_(not (self._full_mapping({1: 2}) < self._full_mapping({1L: 2L}))) + + class Exc(Exception): pass + + class BadCmp(object): + def __eq__(self, other): + raise Exc() + + d1 = self._full_mapping({BadCmp(): 1}) + d2 = self._full_mapping({1: 1}) + try: + d1 < d2 + except Exc: + pass + else: + self.fail("< didn't raise Exc") + + def test_setdefault(self): + TestMappingProtocol.test_setdefault(self) + + class Exc(Exception): pass + + class BadHash(object): + fail = False + def __hash__(self): + if self.fail: + raise Exc() + else: + return 42 + + d = self._empty_mapping() + x = BadHash() + d[x] = 42 + x.fail = True + self.assertRaises(Exc, d.setdefault, x, []) diff --git a/Lib/test/output/test_types b/Lib/test/output/test_types index b2f9429..b49ce0d 100644 --- a/Lib/test/output/test_types +++ b/Lib/test/output/test_types @@ -11,5 +11,5 @@ test_types 6.5.1 Strings 6.5.2 Tuples [see test_tuple.py] 6.5.3 Lists [see test_list.py] -6.6 Mappings == Dictionaries +6.6 Mappings == Dictionaries [see test_dict.py] Buffers diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py index db8d99e..1e283cd 100644 --- a/Lib/test/test_os.py +++ b/Lib/test/test_os.py @@ -205,9 +205,9 @@ class StatAttributeTests(unittest.TestCase): except TypeError: pass -from test_userdict import TestMappingProtocol +from test import mapping_tests -class EnvironTests(TestMappingProtocol): +class EnvironTests(mapping_tests.BasicTestMappingProtocol): """check that os.environ object conform to mapping protocol""" _tested_class = None def _reference(self): diff --git a/Lib/test/test_shelve.py b/Lib/test/test_shelve.py index f852be5..fda02da 100644 --- a/Lib/test/test_shelve.py +++ b/Lib/test/test_shelve.py @@ -74,14 +74,14 @@ class TestCase(unittest.TestCase): self.assertEqual(len(d2), 1) -from test_userdict import TestMappingProtocol +from test import mapping_tests -class TestShelveBase(TestMappingProtocol): +class TestShelveBase(mapping_tests.BasicTestMappingProtocol): fn = "shelftemp.db" counter = 0 def __init__(self, *args, **kw): self._db = [] - TestMappingProtocol.__init__(self, *args, **kw) + mapping_tests.BasicTestMappingProtocol.__init__(self, *args, **kw) _tested_class = shelve.Shelf def _reference(self): return {"key1":"value1", "key2":2, "key3":(1,2,3)} diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py index 4b4e19c..31466b7 100644 --- a/Lib/test/test_types.py +++ b/Lib/test/test_types.py @@ -10,7 +10,6 @@ if 0: raise TestFailed, '0 is true instead of false' if 0L: raise TestFailed, '0L is true instead of false' if 0.0: raise TestFailed, '0.0 is true instead of false' if '': raise TestFailed, '\'\' is true instead of false' -if {}: raise TestFailed, '{} is true instead of false' if not 1: raise TestFailed, '1 is false instead of true' if not 1L: raise TestFailed, '1L is false instead of true' if not 1.0: raise TestFailed, '1.0 is false instead of true' @@ -215,233 +214,8 @@ print '6.5.2 Tuples [see test_tuple.py]' print '6.5.3 Lists [see test_list.py]' +print '6.6 Mappings == Dictionaries [see test_dict.py]' -print '6.6 Mappings == Dictionaries' -# calling built-in types without argument must return empty -if dict() != {}: raise TestFailed,'dict() does not return {}' -d = {} -if d.keys() != []: raise TestFailed, '{}.keys()' -if d.values() != []: raise TestFailed, '{}.values()' -if d.items() != []: raise TestFailed, '{}.items()' -if d.has_key('a') != 0: raise TestFailed, '{}.has_key(\'a\')' -if ('a' in d) != 0: raise TestFailed, "'a' in {}" -if ('a' not in d) != 1: raise TestFailed, "'a' not in {}" -if len(d) != 0: raise TestFailed, 'len({})' -d = {'a': 1, 'b': 2} -if len(d) != 2: raise TestFailed, 'len(dict)' -k = d.keys() -k.sort() -if k != ['a', 'b']: raise TestFailed, 'dict keys()' -if d.has_key('a') and d.has_key('b') and not d.has_key('c'): pass -else: raise TestFailed, 'dict keys()' -if 'a' in d and 'b' in d and 'c' not in d: pass -else: raise TestFailed, 'dict keys() # in/not in version' -if d['a'] != 1 or d['b'] != 2: raise TestFailed, 'dict item' -d['c'] = 3 -d['a'] = 4 -if d['c'] != 3 or d['a'] != 4: raise TestFailed, 'dict item assignment' -del d['b'] -if d != {'a': 4, 'c': 3}: raise TestFailed, 'dict item deletion' -# dict.clear() -d = {1:1, 2:2, 3:3} -d.clear() -if d != {}: raise TestFailed, 'dict clear' -# dict.update() -d.update({1:100}) -d.update({2:20}) -d.update({1:1, 2:2, 3:3}) -if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict update' -d.clear() -try: d.update(None) -except (TypeError, AttributeError): pass -else: raise TestFailed, 'dict.update(None), AttributeError expected' -class SimpleUserDict: - def __init__(self): - self.d = {1:1, 2:2, 3:3} - def keys(self): - return self.d.keys() - def __getitem__(self, i): - return self.d[i] -d.update(SimpleUserDict()) -if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict.update(instance)' -d.clear() -class FailingUserDict: - def keys(self): - raise ValueError -try: d.update(FailingUserDict()) -except ValueError: pass -else: raise TestFailed, 'dict.keys() expected ValueError' -class FailingUserDict: - def keys(self): - class BogonIter: - def __iter__(self): - raise ValueError - return BogonIter() -try: d.update(FailingUserDict()) -except ValueError: pass -else: raise TestFailed, 'iter(dict.keys()) expected ValueError' -class FailingUserDict: - def keys(self): - class BogonIter: - def __init__(self): - self.i = 1 - def __iter__(self): - return self - def next(self): - if self.i: - self.i = 0 - return 'a' - raise ValueError - return BogonIter() - def __getitem__(self, key): - return key -try: d.update(FailingUserDict()) -except ValueError: pass -else: raise TestFailed, 'iter(dict.keys()).next() expected ValueError' -class FailingUserDict: - def keys(self): - class BogonIter: - def __init__(self): - self.i = ord('a') - def __iter__(self): - return self - def next(self): - if self.i <= ord('z'): - rtn = chr(self.i) - self.i += 1 - return rtn - raise StopIteration - return BogonIter() - def __getitem__(self, key): - raise ValueError -try: d.update(FailingUserDict()) -except ValueError: pass -else: raise TestFailed, 'dict.update(), __getitem__ expected ValueError' -# dict.fromkeys() -if dict.fromkeys('abc') != {'a':None, 'b':None, 'c':None}: - raise TestFailed, 'dict.fromkeys did not work as a class method' -d = {} -if d.fromkeys('abc') is d: - raise TestFailed, 'dict.fromkeys did not return a new dict' -if d.fromkeys('abc') != {'a':None, 'b':None, 'c':None}: - raise TestFailed, 'dict.fromkeys failed with default value' -if d.fromkeys((4,5),0) != {4:0, 5:0}: - raise TestFailed, 'dict.fromkeys failed with specified value' -if d.fromkeys([]) != {}: - raise TestFailed, 'dict.fromkeys failed with null sequence' -def g(): - yield 1 -if d.fromkeys(g()) != {1:None}: - raise TestFailed, 'dict.fromkeys failed with a generator' -try: {}.fromkeys(3) -except TypeError: pass -else: raise TestFailed, 'dict.fromkeys failed to raise TypeError' -class dictlike(dict): pass -if dictlike.fromkeys('a') != {'a':None}: - raise TestFailed, 'dictsubclass.fromkeys did not inherit' -if dictlike().fromkeys('a') != {'a':None}: - raise TestFailed, 'dictsubclass.fromkeys did not inherit' -if type(dictlike.fromkeys('a')) is not dictlike: - raise TestFailed, 'dictsubclass.fromkeys created wrong type' -if type(dictlike().fromkeys('a')) is not dictlike: - raise TestFailed, 'dictsubclass.fromkeys created wrong type' -from UserDict import UserDict -class mydict(dict): - def __new__(cls): - return UserDict() -ud = mydict.fromkeys('ab') -if ud != {'a':None, 'b':None} or not isinstance(ud,UserDict): - raise TestFailed, 'fromkeys did not instantiate using __new__' -# dict.copy() -d = {1:1, 2:2, 3:3} -if d.copy() != {1:1, 2:2, 3:3}: raise TestFailed, 'dict copy' -if {}.copy() != {}: raise TestFailed, 'empty dict copy' -# dict.get() -d = {} -if d.get('c') is not None: raise TestFailed, 'missing {} get, no 2nd arg' -if d.get('c', 3) != 3: raise TestFailed, 'missing {} get, w/ 2nd arg' -d = {'a' : 1, 'b' : 2} -if d.get('c') is not None: raise TestFailed, 'missing dict get, no 2nd arg' -if d.get('c', 3) != 3: raise TestFailed, 'missing dict get, w/ 2nd arg' -if d.get('a') != 1: raise TestFailed, 'present dict get, no 2nd arg' -if d.get('a', 3) != 1: raise TestFailed, 'present dict get, w/ 2nd arg' -# dict.setdefault() -d = {} -if d.setdefault('key0') is not None: - raise TestFailed, 'missing {} setdefault, no 2nd arg' -if d.setdefault('key0') is not None: - raise TestFailed, 'present {} setdefault, no 2nd arg' -d.setdefault('key', []).append(3) -if d['key'][0] != 3: - raise TestFailed, 'missing {} setdefault, w/ 2nd arg' -d.setdefault('key', []).append(4) -if len(d['key']) != 2: - raise TestFailed, 'present {} setdefault, w/ 2nd arg' -# dict.popitem() -for copymode in -1, +1: - # -1: b has same structure as a - # +1: b is a.copy() - for log2size in range(12): - size = 2**log2size - a = {} - b = {} - for i in range(size): - a[repr(i)] = i - if copymode < 0: - b[repr(i)] = i - if copymode > 0: - b = a.copy() - for i in range(size): - ka, va = ta = a.popitem() - if va != int(ka): raise TestFailed, "a.popitem: %s" % str(ta) - kb, vb = tb = b.popitem() - if vb != int(kb): raise TestFailed, "b.popitem: %s" % str(tb) - if copymode < 0 and ta != tb: - raise TestFailed, "a.popitem != b.popitem: %s, %s" % ( - str(ta), str(tb)) - if a: raise TestFailed, 'a not empty after popitems: %s' % str(a) - if b: raise TestFailed, 'b not empty after popitems: %s' % str(b) - -d.clear() -try: d.popitem() -except KeyError: pass -else: raise TestFailed, "{}.popitem doesn't raise KeyError" - -# Tests for pop with specified key -d.clear() -k, v = 'abc', 'def' -d[k] = v -try: d.pop('ghi') -except KeyError: pass -else: raise TestFailed, "{}.pop(k) doesn't raise KeyError when k not in dictionary" - -if d.pop(k) != v: raise TestFailed, "{}.pop(k) doesn't find known key/value pair" -if len(d) > 0: raise TestFailed, "{}.pop(k) failed to remove the specified pair" - -try: d.pop(k) -except KeyError: pass -else: raise TestFailed, "{}.pop(k) doesn't raise KeyError when dictionary is empty" - -# verify longs/ints get same value when key > 32 bits (for 64-bit archs) -# see SF bug #689659 -x = 4503599627370496L -y = 4503599627370496 -h = {x: 'anything', y: 'something else'} -if h[x] != h[y]: - raise TestFailed, "long/int key should match" - -if d.pop(k, v) != v: raise TestFailed, "{}.pop(k, v) doesn't return default value" -d[k] = v -if d.pop(k, 1) != v: raise TestFailed, "{}.pop(k, v) doesn't find known key/value pair" - -d[1] = 1 -try: - for i in d: - d[i+1] = 1 -except RuntimeError: - pass -else: - raise TestFailed, "changing dict size during iteration doesn't raise Error" try: type(1, 2) except TypeError: pass diff --git a/Lib/test/test_userdict.py b/Lib/test/test_userdict.py index 0ed4369..f67e55b 100644 --- a/Lib/test/test_userdict.py +++ b/Lib/test/test_userdict.py @@ -1,126 +1,9 @@ # Check every path through every method of UserDict -import test.test_support, unittest +import unittest +from test import test_support, mapping_tests import UserDict -class TestMappingProtocol(unittest.TestCase): - # This base class can be used to check that an object conforms to the - # mapping protocol - - # Functions that can be useful to override to adapt to dictionary - # semantics - _tested_class = dict # which class is being tested - - def _reference(self): - """Return a dictionary of values which are invariant by storage - in the object under test.""" - return {1:2, "key1":"value1", "key2":(1,2,3)} - def _empty_mapping(self): - """Return an empty mapping object""" - return self._tested_class() - def _full_mapping(self, data): - """Return a mapping object with the value contained in data - dictionary""" - x = self._empty_mapping() - for key, value in data.items(): - x[key] = value - return x - - def __init__(self, *args, **kw): - unittest.TestCase.__init__(self, *args, **kw) - self.reference = self._reference().copy() - key, value = self.reference.popitem() - self.other = {key:value} - - def test_read(self): - # Test for read only operations on mapping - p = self._empty_mapping() - p1 = dict(p) #workaround for singleton objects - d = self._full_mapping(self.reference) - if d is p: - p = p1 - #Indexing - for key, value in self.reference.items(): - self.assertEqual(d[key], value) - knownkey = self.other.keys()[0] - self.failUnlessRaises(KeyError, lambda:d[knownkey]) - #len - self.assertEqual(len(p), 0) - self.assertEqual(len(d), len(self.reference)) - #has_key - for k in self.reference: - self.assert_(d.has_key(k)) - self.assert_(k in d) - for k in self.other: - self.failIf(d.has_key(k)) - self.failIf(k in d) - #cmp - self.assertEqual(cmp(p,p), 0) - self.assertEqual(cmp(d,d), 0) - self.assertEqual(cmp(p,d), -1) - self.assertEqual(cmp(d,p), 1) - #__non__zero__ - if p: self.fail("Empty mapping must compare to False") - if not d: self.fail("Full mapping must compare to True") - # keys(), items(), iterkeys() ... - def check_iterandlist(iter, lst, ref): - self.assert_(hasattr(iter, 'next')) - self.assert_(hasattr(iter, '__iter__')) - x = list(iter) - self.assert_(set(x)==set(lst)==set(ref)) - check_iterandlist(d.iterkeys(), d.keys(), self.reference.keys()) - check_iterandlist(iter(d), d.keys(), self.reference.keys()) - check_iterandlist(d.itervalues(), d.values(), self.reference.values()) - check_iterandlist(d.iteritems(), d.items(), self.reference.items()) - #get - key, value = d.iteritems().next() - knownkey, knownvalue = self.other.iteritems().next() - self.assertEqual(d.get(key, knownvalue), value) - self.assertEqual(d.get(knownkey, knownvalue), knownvalue) - self.failIf(knownkey in d) - - def test_write(self): - # Test for write operations on mapping - p = self._empty_mapping() - #Indexing - for key, value in self.reference.items(): - p[key] = value - self.assertEqual(p[key], value) - for key in self.reference.keys(): - del p[key] - self.failUnlessRaises(KeyError, lambda:p[key]) - p = self._empty_mapping() - #update - p.update(self.reference) - self.assertEqual(dict(p), self.reference) - items = p.items() - p = self._empty_mapping() - p.update(items) - self.assertEqual(dict(p), self.reference) - d = self._full_mapping(self.reference) - #setdefault - key, value = d.iteritems().next() - knownkey, knownvalue = self.other.iteritems().next() - self.assertEqual(d.setdefault(key, knownvalue), value) - self.assertEqual(d[key], value) - self.assertEqual(d.setdefault(knownkey, knownvalue), knownvalue) - self.assertEqual(d[knownkey], knownvalue) - #pop - self.assertEqual(d.pop(knownkey), knownvalue) - self.failIf(knownkey in d) - self.assertRaises(KeyError, d.pop, knownkey) - default = 909 - d[knownkey] = knownvalue - self.assertEqual(d.pop(knownkey, default), knownvalue) - self.failIf(knownkey in d) - self.assertEqual(d.pop(knownkey, default), default) - #popitem - key, value = d.popitem() - self.failIf(key in d) - self.assertEqual(value, self.reference[key]) - p=self._empty_mapping() - self.assertRaises(KeyError, p.popitem) - d0 = {} d1 = {"one": 1} d2 = {"one": 1, "two": 2} @@ -128,7 +11,7 @@ d3 = {"one": 1, "two": 3, "three": 5} d4 = {"one": None, "two": None} d5 = {"one": 1, "two": 1} -class UserDictTest(TestMappingProtocol): +class UserDictTest(mapping_tests.TestHashMappingProtocol): _tested_class = UserDict.IterableUserDict def test_all(self): @@ -273,9 +156,14 @@ class SeqDict(UserDict.DictMixin): Used to test and demonstrate DictMixin """ - def __init__(self): + 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) @@ -298,8 +186,19 @@ class SeqDict(UserDict.DictMixin): self.valuelist.pop(i) def keys(self): return list(self.keylist) - -class UserDictMixinTest(TestMappingProtocol): + def copy(self): + d = self.__class__() + for key, value in self.iteritems(): + d[key] = value + return d + def fromkeys(cls, keys, value=None): + d = cls() + for key in keys: + d[key] = value + return d + fromkeys = classmethod(fromkeys) + +class UserDictMixinTest(mapping_tests.TestMappingProtocol): _tested_class = SeqDict def test_all(self): @@ -393,8 +292,7 @@ class UserDictMixinTest(TestMappingProtocol): self.assertEqual(s, t) def test_main(): - test.test_support.run_unittest( - TestMappingProtocol, + test_support.run_unittest( UserDictTest, UserDictMixinTest ) diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py index 2924313..cf5d0a4 100644 --- a/Lib/test/test_weakref.py +++ b/Lib/test/test_weakref.py @@ -912,16 +912,16 @@ class MappingTestCase(TestBase): self.assertEqual(len(d), 0) self.assertEqual(count, 2) -from test_userdict import TestMappingProtocol +from test import mapping_tests -class WeakValueDictionaryTestCase(TestMappingProtocol): +class WeakValueDictionaryTestCase(mapping_tests.BasicTestMappingProtocol): """Check that WeakValueDictionary conforms to the mapping protocol""" __ref = {"key1":Object(1), "key2":Object(2), "key3":Object(3)} _tested_class = weakref.WeakValueDictionary def _reference(self): return self.__ref.copy() -class WeakKeyDictionaryTestCase(TestMappingProtocol): +class WeakKeyDictionaryTestCase(mapping_tests.BasicTestMappingProtocol): """Check that WeakKeyDictionary conforms to the mapping protocol""" __ref = {Object("key1"):1, Object("key2"):2, Object("key3"):3} _tested_class = weakref.WeakKeyDictionary |