mirror of https://github.com/python/cpython
418 lines
12 KiB
Python
418 lines
12 KiB
Python
import unittest
|
|
from test import test_support
|
|
|
|
import sys, UserDict, cStringIO
|
|
|
|
|
|
class DictTest(unittest.TestCase):
|
|
def test_constructor(self):
|
|
# calling built-in types without argument must return empty
|
|
self.assertEqual(dict(), {})
|
|
self.assert_(dict() is not {})
|
|
|
|
def test_bool(self):
|
|
self.assert_(not {})
|
|
self.assert_({1: 2})
|
|
self.assert_(bool({}) is False)
|
|
self.assert_(bool({1: 2}) is True)
|
|
|
|
def test_keys(self):
|
|
d = {}
|
|
self.assertEqual(d.keys(), [])
|
|
d = {'a': 1, 'b': 2}
|
|
k = d.keys()
|
|
self.assert_(d.has_key('a'))
|
|
self.assert_(d.has_key('b'))
|
|
|
|
self.assertRaises(TypeError, d.keys, None)
|
|
|
|
def test_values(self):
|
|
d = {}
|
|
self.assertEqual(d.values(), [])
|
|
d = {1:2}
|
|
self.assertEqual(d.values(), [2])
|
|
|
|
self.assertRaises(TypeError, d.values, None)
|
|
|
|
def test_items(self):
|
|
d = {}
|
|
self.assertEqual(d.items(), [])
|
|
|
|
d = {1:2}
|
|
self.assertEqual(d.items(), [(1, 2)])
|
|
|
|
self.assertRaises(TypeError, d.items, None)
|
|
|
|
def test_has_key(self):
|
|
d = {}
|
|
self.assert_(not d.has_key('a'))
|
|
d = {'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.assert_(not ('a' in d))
|
|
self.assert_('a' not in d)
|
|
d = {'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):
|
|
d = {}
|
|
self.assertEqual(len(d), 0)
|
|
d = {'a': 1, 'b': 2}
|
|
self.assertEqual(len(d), 2)
|
|
|
|
def test_getitem(self):
|
|
d = {'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__)
|
|
|
|
class BadEq(object):
|
|
def __eq__(self, other):
|
|
raise Exc()
|
|
|
|
d = {}
|
|
d[BadEq()] = 42
|
|
self.assertRaises(KeyError, d.__getitem__, 23)
|
|
|
|
class Exc(Exception): pass
|
|
|
|
class BadHash(object):
|
|
fail = False
|
|
def __hash__(self):
|
|
if self.fail:
|
|
raise Exc()
|
|
else:
|
|
return 42
|
|
|
|
x = BadHash()
|
|
d[x] = 42
|
|
x.fail = True
|
|
self.assertRaises(Exc, d.__getitem__, x)
|
|
|
|
def test_clear(self):
|
|
d = {1:1, 2:2, 3:3}
|
|
d.clear()
|
|
self.assertEqual(d, {})
|
|
|
|
self.assertRaises(TypeError, d.clear, None)
|
|
|
|
def test_update(self):
|
|
d = {}
|
|
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})
|
|
|
|
d.update()
|
|
self.assertEqual(d, {1:1, 2:2, 3:3})
|
|
|
|
self.assertRaises((TypeError, AttributeError), d.update, None)
|
|
|
|
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})
|
|
|
|
class Exc(Exception): pass
|
|
|
|
d.clear()
|
|
class FailingUserDict:
|
|
def keys(self):
|
|
raise Exc
|
|
self.assertRaises(Exc, d.update, FailingUserDict())
|
|
|
|
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())
|
|
|
|
class badseq(object):
|
|
def __iter__(self):
|
|
return self
|
|
def next(self):
|
|
raise Exc()
|
|
|
|
self.assertRaises(Exc, {}.update, badseq())
|
|
|
|
self.assertRaises(ValueError, {}.update, [(1, 2, 3)])
|
|
|
|
def test_fromkeys(self):
|
|
self.assertEqual(dict.fromkeys('abc'), {'a':None, 'b':None, 'c':None})
|
|
d = {}
|
|
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(dict): pass
|
|
self.assertEqual(dictlike.fromkeys('a'), {'a':None})
|
|
self.assertEqual(dictlike().fromkeys('a'), {'a':None})
|
|
self.assert_(type(dictlike.fromkeys('a')) is dictlike)
|
|
self.assert_(type(dictlike().fromkeys('a')) is dictlike)
|
|
class mydict(dict):
|
|
def __new__(cls):
|
|
return UserDict.UserDict()
|
|
ud = mydict.fromkeys('ab')
|
|
self.assertEqual(ud, {'a':None, 'b':None})
|
|
self.assert_(isinstance(ud, UserDict.UserDict))
|
|
self.assertRaises(TypeError, dict.fromkeys)
|
|
|
|
class Exc(Exception): pass
|
|
|
|
class baddict1(dict):
|
|
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, dict.fromkeys, BadSeq())
|
|
|
|
class baddict2(dict):
|
|
def __setitem__(self, key, value):
|
|
raise Exc()
|
|
|
|
self.assertRaises(Exc, baddict2.fromkeys, [1])
|
|
|
|
def test_copy(self):
|
|
d = {1:1, 2:2, 3:3}
|
|
self.assertEqual(d.copy(), {1:1, 2:2, 3:3})
|
|
self.assertEqual({}.copy(), {})
|
|
self.assertRaises(TypeError, d.copy, None)
|
|
|
|
def test_get(self):
|
|
d = {}
|
|
self.assert_(d.get('c') is None)
|
|
self.assertEqual(d.get('c', 3), 3)
|
|
d = {'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)
|
|
self.assertRaises(TypeError, d.get)
|
|
self.assertRaises(TypeError, d.get, None, None, None)
|
|
|
|
def test_setdefault(self):
|
|
# dict.setdefault()
|
|
d = {}
|
|
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)
|
|
self.assertRaises(TypeError, d.setdefault)
|
|
|
|
class Exc(Exception): pass
|
|
|
|
class BadHash(object):
|
|
fail = False
|
|
def __hash__(self):
|
|
if self.fail:
|
|
raise Exc()
|
|
else:
|
|
return 42
|
|
|
|
x = BadHash()
|
|
d[x] = 42
|
|
x.fail = True
|
|
self.assertRaises(Exc, d.setdefault, x, [])
|
|
|
|
def test_popitem(self):
|
|
# 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()
|
|
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)
|
|
|
|
d = {}
|
|
self.assertRaises(KeyError, d.popitem)
|
|
|
|
def test_pop(self):
|
|
# Tests for pop with specified key
|
|
d = {}
|
|
k, v = 'abc', 'def'
|
|
d[k] = v
|
|
self.assertRaises(KeyError, d.pop, 'ghi')
|
|
|
|
self.assertEqual(d.pop(k), v)
|
|
self.assertEqual(len(d), 0)
|
|
|
|
self.assertRaises(KeyError, d.pop, k)
|
|
|
|
# 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'}
|
|
self.assertEqual(h[x], h[y])
|
|
|
|
self.assertEqual(d.pop(k, v), v)
|
|
d[k] = v
|
|
self.assertEqual(d.pop(k, 1), v)
|
|
|
|
self.assertRaises(TypeError, d.pop)
|
|
|
|
class Exc(Exception): pass
|
|
|
|
class BadHash(object):
|
|
fail = False
|
|
def __hash__(self):
|
|
if self.fail:
|
|
raise Exc()
|
|
else:
|
|
return 42
|
|
|
|
x = BadHash()
|
|
d[x] = 42
|
|
x.fail = True
|
|
self.assertRaises(Exc, d.pop, x)
|
|
|
|
def test_mutatingiteration(self):
|
|
d = {}
|
|
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.assertEqual(repr(d), '{}')
|
|
d[1] = 2
|
|
self.assertEqual(repr(d), '{1: 2}')
|
|
d = {}
|
|
d[1] = d
|
|
self.assertEqual(repr(d), '{1: {...}}')
|
|
|
|
class Exc(Exception): pass
|
|
|
|
class BadRepr(object):
|
|
def __repr__(self):
|
|
raise Exc()
|
|
|
|
d = {1: BadRepr()}
|
|
self.assertRaises(Exc, repr, d)
|
|
|
|
def test_le(self):
|
|
self.assert_(not ({} < {}))
|
|
self.assert_(not ({1: 2} < {1L: 2L}))
|
|
|
|
class Exc(Exception): pass
|
|
|
|
class BadCmp(object):
|
|
def __eq__(self, other):
|
|
raise Exc()
|
|
|
|
d1 = {BadCmp(): 1}
|
|
d2 = {1: 1}
|
|
try:
|
|
d1 < d2
|
|
except Exc:
|
|
pass
|
|
else:
|
|
self.fail("< didn't raise Exc")
|
|
|
|
import mapping_tests
|
|
|
|
class GeneralMappingTests(mapping_tests.BasicTestMappingProtocol):
|
|
type2test = dict
|
|
|
|
class Dict(dict):
|
|
pass
|
|
|
|
class SubclassMappingTests(mapping_tests.BasicTestMappingProtocol):
|
|
type2test = Dict
|
|
|
|
def test_main():
|
|
test_support.run_unittest(
|
|
DictTest,
|
|
GeneralMappingTests,
|
|
SubclassMappingTests,
|
|
)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|