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1360 lines
45 KiB
Python
1360 lines
45 KiB
Python
import unittest
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from test import test_support
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from weakref import proxy
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import operator
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import copy
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import pickle
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import os
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class PassThru(Exception):
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pass
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def check_pass_thru():
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raise PassThru
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yield 1
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class TestJointOps(unittest.TestCase):
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# Tests common to both set and frozenset
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def setUp(self):
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self.word = word = 'simsalabim'
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self.otherword = 'madagascar'
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self.letters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
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self.s = self.thetype(word)
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self.d = dict.fromkeys(word)
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def test_new_or_init(self):
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self.assertRaises(TypeError, self.thetype, [], 2)
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def test_uniquification(self):
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actual = sorted(self.s)
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expected = sorted(self.d)
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self.assertEqual(actual, expected)
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self.assertRaises(PassThru, self.thetype, check_pass_thru())
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self.assertRaises(TypeError, self.thetype, [[]])
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def test_len(self):
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self.assertEqual(len(self.s), len(self.d))
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def test_contains(self):
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for c in self.letters:
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self.assertEqual(c in self.s, c in self.d)
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self.assertRaises(TypeError, self.s.__contains__, [[]])
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s = self.thetype([frozenset(self.letters)])
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self.assert_(self.thetype(self.letters) in s)
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def test_union(self):
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u = self.s.union(self.otherword)
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for c in self.letters:
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self.assertEqual(c in u, c in self.d or c in self.otherword)
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self.assertEqual(self.s, self.thetype(self.word))
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self.assertEqual(type(u), self.thetype)
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self.assertRaises(PassThru, self.s.union, check_pass_thru())
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self.assertRaises(TypeError, self.s.union, [[]])
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for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
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self.assertEqual(self.thetype('abcba').union(C('cdc')), set('abcd'))
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self.assertEqual(self.thetype('abcba').union(C('efgfe')), set('abcefg'))
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self.assertEqual(self.thetype('abcba').union(C('ccb')), set('abc'))
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self.assertEqual(self.thetype('abcba').union(C('ef')), set('abcef'))
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def test_or(self):
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i = self.s.union(self.otherword)
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self.assertEqual(self.s | set(self.otherword), i)
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self.assertEqual(self.s | frozenset(self.otherword), i)
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try:
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self.s | self.otherword
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except TypeError:
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pass
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else:
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self.fail("s|t did not screen-out general iterables")
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def test_intersection(self):
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i = self.s.intersection(self.otherword)
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for c in self.letters:
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self.assertEqual(c in i, c in self.d and c in self.otherword)
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self.assertEqual(self.s, self.thetype(self.word))
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self.assertEqual(type(i), self.thetype)
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self.assertRaises(PassThru, self.s.intersection, check_pass_thru())
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for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
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self.assertEqual(self.thetype('abcba').intersection(C('cdc')), set('cc'))
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self.assertEqual(self.thetype('abcba').intersection(C('efgfe')), set(''))
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self.assertEqual(self.thetype('abcba').intersection(C('ccb')), set('bc'))
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self.assertEqual(self.thetype('abcba').intersection(C('ef')), set(''))
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def test_and(self):
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i = self.s.intersection(self.otherword)
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self.assertEqual(self.s & set(self.otherword), i)
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self.assertEqual(self.s & frozenset(self.otherword), i)
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try:
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self.s & self.otherword
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except TypeError:
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pass
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else:
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self.fail("s&t did not screen-out general iterables")
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def test_difference(self):
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i = self.s.difference(self.otherword)
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for c in self.letters:
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self.assertEqual(c in i, c in self.d and c not in self.otherword)
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self.assertEqual(self.s, self.thetype(self.word))
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self.assertEqual(type(i), self.thetype)
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self.assertRaises(PassThru, self.s.difference, check_pass_thru())
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self.assertRaises(TypeError, self.s.difference, [[]])
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for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
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self.assertEqual(self.thetype('abcba').difference(C('cdc')), set('ab'))
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self.assertEqual(self.thetype('abcba').difference(C('efgfe')), set('abc'))
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self.assertEqual(self.thetype('abcba').difference(C('ccb')), set('a'))
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self.assertEqual(self.thetype('abcba').difference(C('ef')), set('abc'))
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def test_sub(self):
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i = self.s.difference(self.otherword)
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self.assertEqual(self.s - set(self.otherword), i)
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self.assertEqual(self.s - frozenset(self.otherword), i)
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try:
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self.s - self.otherword
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except TypeError:
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pass
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else:
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self.fail("s-t did not screen-out general iterables")
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def test_symmetric_difference(self):
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i = self.s.symmetric_difference(self.otherword)
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for c in self.letters:
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self.assertEqual(c in i, (c in self.d) ^ (c in self.otherword))
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self.assertEqual(self.s, self.thetype(self.word))
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self.assertEqual(type(i), self.thetype)
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self.assertRaises(PassThru, self.s.symmetric_difference, check_pass_thru())
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self.assertRaises(TypeError, self.s.symmetric_difference, [[]])
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for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
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self.assertEqual(self.thetype('abcba').symmetric_difference(C('cdc')), set('abd'))
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self.assertEqual(self.thetype('abcba').symmetric_difference(C('efgfe')), set('abcefg'))
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self.assertEqual(self.thetype('abcba').symmetric_difference(C('ccb')), set('a'))
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self.assertEqual(self.thetype('abcba').symmetric_difference(C('ef')), set('abcef'))
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def test_xor(self):
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i = self.s.symmetric_difference(self.otherword)
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self.assertEqual(self.s ^ set(self.otherword), i)
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self.assertEqual(self.s ^ frozenset(self.otherword), i)
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try:
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self.s ^ self.otherword
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except TypeError:
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pass
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else:
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self.fail("s^t did not screen-out general iterables")
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def test_equality(self):
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self.assertEqual(self.s, set(self.word))
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self.assertEqual(self.s, frozenset(self.word))
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self.assertEqual(self.s == self.word, False)
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self.assertNotEqual(self.s, set(self.otherword))
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self.assertNotEqual(self.s, frozenset(self.otherword))
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self.assertEqual(self.s != self.word, True)
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def test_setOfFrozensets(self):
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t = map(frozenset, ['abcdef', 'bcd', 'bdcb', 'fed', 'fedccba'])
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s = self.thetype(t)
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self.assertEqual(len(s), 3)
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def test_compare(self):
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self.assertRaises(TypeError, self.s.__cmp__, self.s)
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def test_sub_and_super(self):
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p, q, r = map(self.thetype, ['ab', 'abcde', 'def'])
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self.assert_(p < q)
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self.assert_(p <= q)
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self.assert_(q <= q)
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self.assert_(q > p)
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self.assert_(q >= p)
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self.failIf(q < r)
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self.failIf(q <= r)
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self.failIf(q > r)
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self.failIf(q >= r)
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self.assert_(set('a').issubset('abc'))
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self.assert_(set('abc').issuperset('a'))
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self.failIf(set('a').issubset('cbs'))
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self.failIf(set('cbs').issuperset('a'))
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def test_pickling(self):
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for i in (0, 1, 2):
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p = pickle.dumps(self.s, i)
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dup = pickle.loads(p)
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self.assertEqual(self.s, dup, "%s != %s" % (self.s, dup))
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if type(self.s) not in (set, frozenset):
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self.s.x = 10
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p = pickle.dumps(self.s)
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dup = pickle.loads(p)
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self.assertEqual(self.s.x, dup.x)
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def test_deepcopy(self):
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class Tracer:
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def __init__(self, value):
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self.value = value
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def __hash__(self):
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return self.value
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def __deepcopy__(self, memo=None):
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return Tracer(self.value + 1)
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t = Tracer(10)
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s = self.thetype([t])
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dup = copy.deepcopy(s)
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self.assertNotEqual(id(s), id(dup))
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for elem in dup:
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newt = elem
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self.assertNotEqual(id(t), id(newt))
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self.assertEqual(t.value + 1, newt.value)
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class TestSet(TestJointOps):
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thetype = set
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def test_init(self):
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s = self.thetype()
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s.__init__(self.word)
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self.assertEqual(s, set(self.word))
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s.__init__(self.otherword)
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self.assertEqual(s, set(self.otherword))
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self.assertRaises(TypeError, s.__init__, s, 2);
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self.assertRaises(TypeError, s.__init__, 1);
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def test_constructor_identity(self):
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s = self.thetype(range(3))
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t = self.thetype(s)
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self.assertNotEqual(id(s), id(t))
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def test_hash(self):
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self.assertRaises(TypeError, hash, self.s)
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def test_clear(self):
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self.s.clear()
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self.assertEqual(self.s, set())
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self.assertEqual(len(self.s), 0)
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def test_copy(self):
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dup = self.s.copy()
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self.assertEqual(self.s, dup)
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self.assertNotEqual(id(self.s), id(dup))
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def test_add(self):
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self.s.add('Q')
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self.assert_('Q' in self.s)
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dup = self.s.copy()
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self.s.add('Q')
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self.assertEqual(self.s, dup)
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self.assertRaises(TypeError, self.s.add, [])
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def test_remove(self):
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self.s.remove('a')
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self.assert_('a' not in self.s)
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self.assertRaises(KeyError, self.s.remove, 'Q')
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self.assertRaises(TypeError, self.s.remove, [])
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s = self.thetype([frozenset(self.word)])
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self.assert_(self.thetype(self.word) in s)
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s.remove(self.thetype(self.word))
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self.assert_(self.thetype(self.word) not in s)
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self.assertRaises(KeyError, self.s.remove, self.thetype(self.word))
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def test_discard(self):
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self.s.discard('a')
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self.assert_('a' not in self.s)
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self.s.discard('Q')
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self.assertRaises(TypeError, self.s.discard, [])
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s = self.thetype([frozenset(self.word)])
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self.assert_(self.thetype(self.word) in s)
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s.discard(self.thetype(self.word))
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self.assert_(self.thetype(self.word) not in s)
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s.discard(self.thetype(self.word))
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def test_pop(self):
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for i in xrange(len(self.s)):
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elem = self.s.pop()
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self.assert_(elem not in self.s)
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self.assertRaises(KeyError, self.s.pop)
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def test_update(self):
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retval = self.s.update(self.otherword)
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self.assertEqual(retval, None)
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for c in (self.word + self.otherword):
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self.assert_(c in self.s)
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self.assertRaises(PassThru, self.s.update, check_pass_thru())
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self.assertRaises(TypeError, self.s.update, [[]])
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for p, q in (('cdc', 'abcd'), ('efgfe', 'abcefg'), ('ccb', 'abc'), ('ef', 'abcef')):
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for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
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s = self.thetype('abcba')
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self.assertEqual(s.update(C(p)), None)
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self.assertEqual(s, set(q))
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def test_ior(self):
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self.s |= set(self.otherword)
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for c in (self.word + self.otherword):
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self.assert_(c in self.s)
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def test_intersection_update(self):
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retval = self.s.intersection_update(self.otherword)
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self.assertEqual(retval, None)
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for c in (self.word + self.otherword):
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if c in self.otherword and c in self.word:
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self.assert_(c in self.s)
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else:
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self.assert_(c not in self.s)
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self.assertRaises(PassThru, self.s.intersection_update, check_pass_thru())
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self.assertRaises(TypeError, self.s.intersection_update, [[]])
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for p, q in (('cdc', 'c'), ('efgfe', ''), ('ccb', 'bc'), ('ef', '')):
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for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
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s = self.thetype('abcba')
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self.assertEqual(s.intersection_update(C(p)), None)
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self.assertEqual(s, set(q))
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def test_iand(self):
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self.s &= set(self.otherword)
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for c in (self.word + self.otherword):
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if c in self.otherword and c in self.word:
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self.assert_(c in self.s)
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else:
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self.assert_(c not in self.s)
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def test_difference_update(self):
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retval = self.s.difference_update(self.otherword)
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self.assertEqual(retval, None)
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for c in (self.word + self.otherword):
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if c in self.word and c not in self.otherword:
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self.assert_(c in self.s)
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else:
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self.assert_(c not in self.s)
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self.assertRaises(PassThru, self.s.difference_update, check_pass_thru())
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self.assertRaises(TypeError, self.s.difference_update, [[]])
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self.assertRaises(TypeError, self.s.symmetric_difference_update, [[]])
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for p, q in (('cdc', 'ab'), ('efgfe', 'abc'), ('ccb', 'a'), ('ef', 'abc')):
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for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
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s = self.thetype('abcba')
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self.assertEqual(s.difference_update(C(p)), None)
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self.assertEqual(s, set(q))
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def test_isub(self):
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self.s -= set(self.otherword)
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for c in (self.word + self.otherword):
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if c in self.word and c not in self.otherword:
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self.assert_(c in self.s)
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else:
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self.assert_(c not in self.s)
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def test_symmetric_difference_update(self):
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retval = self.s.symmetric_difference_update(self.otherword)
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self.assertEqual(retval, None)
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for c in (self.word + self.otherword):
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if (c in self.word) ^ (c in self.otherword):
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self.assert_(c in self.s)
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else:
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self.assert_(c not in self.s)
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self.assertRaises(PassThru, self.s.symmetric_difference_update, check_pass_thru())
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self.assertRaises(TypeError, self.s.symmetric_difference_update, [[]])
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for p, q in (('cdc', 'abd'), ('efgfe', 'abcefg'), ('ccb', 'a'), ('ef', 'abcef')):
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for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
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s = self.thetype('abcba')
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self.assertEqual(s.symmetric_difference_update(C(p)), None)
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self.assertEqual(s, set(q))
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def test_ixor(self):
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self.s ^= set(self.otherword)
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for c in (self.word + self.otherword):
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if (c in self.word) ^ (c in self.otherword):
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self.assert_(c in self.s)
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else:
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self.assert_(c not in self.s)
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def test_weakref(self):
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s = self.thetype('gallahad')
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p = proxy(s)
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self.assertEqual(str(p), str(s))
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s = None
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self.assertRaises(ReferenceError, str, p)
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class SetSubclass(set):
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pass
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class TestSetSubclass(TestSet):
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thetype = SetSubclass
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class TestFrozenSet(TestJointOps):
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thetype = frozenset
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def test_init(self):
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s = self.thetype(self.word)
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s.__init__(self.otherword)
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self.assertEqual(s, set(self.word))
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def test_constructor_identity(self):
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s = self.thetype(range(3))
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t = self.thetype(s)
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self.assertEqual(id(s), id(t))
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def test_hash(self):
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self.assertEqual(hash(self.thetype('abcdeb')),
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hash(self.thetype('ebecda')))
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def test_copy(self):
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dup = self.s.copy()
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self.assertEqual(id(self.s), id(dup))
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def test_frozen_as_dictkey(self):
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seq = range(10) + list('abcdefg') + ['apple']
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key1 = self.thetype(seq)
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key2 = self.thetype(reversed(seq))
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self.assertEqual(key1, key2)
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self.assertNotEqual(id(key1), id(key2))
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d = {}
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d[key1] = 42
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self.assertEqual(d[key2], 42)
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def test_hash_caching(self):
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f = self.thetype('abcdcda')
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self.assertEqual(hash(f), hash(f))
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def test_hash_effectiveness(self):
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n = 13
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hashvalues = set()
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addhashvalue = hashvalues.add
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elemmasks = [(i+1, 1<<i) for i in range(n)]
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for i in xrange(2**n):
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addhashvalue(hash(frozenset([e for e, m in elemmasks if m&i])))
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self.assertEqual(len(hashvalues), 2**n)
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class FrozenSetSubclass(frozenset):
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pass
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class TestFrozenSetSubclass(TestFrozenSet):
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thetype = FrozenSetSubclass
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def test_constructor_identity(self):
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s = self.thetype(range(3))
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t = self.thetype(s)
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self.assertNotEqual(id(s), id(t))
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def test_copy(self):
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dup = self.s.copy()
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self.assertNotEqual(id(self.s), id(dup))
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def test_nested_empty_constructor(self):
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s = self.thetype()
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t = self.thetype(s)
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self.assertEqual(s, t)
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# Tests taken from test_sets.py =============================================
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empty_set = set()
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|
|
|
#==============================================================================
|
|
|
|
class TestBasicOps(unittest.TestCase):
|
|
|
|
def test_repr(self):
|
|
if self.repr is not None:
|
|
self.assertEqual(repr(self.set), self.repr)
|
|
|
|
def test_print(self):
|
|
try:
|
|
fo = open(test_support.TESTFN, "wb")
|
|
print >> fo, self.set,
|
|
fo.close()
|
|
fo = open(test_support.TESTFN, "rb")
|
|
self.assertEqual(fo.read(), repr(self.set))
|
|
finally:
|
|
fo.close()
|
|
os.remove(test_support.TESTFN)
|
|
|
|
def test_length(self):
|
|
self.assertEqual(len(self.set), self.length)
|
|
|
|
def test_self_equality(self):
|
|
self.assertEqual(self.set, self.set)
|
|
|
|
def test_equivalent_equality(self):
|
|
self.assertEqual(self.set, self.dup)
|
|
|
|
def test_copy(self):
|
|
self.assertEqual(self.set.copy(), self.dup)
|
|
|
|
def test_self_union(self):
|
|
result = self.set | self.set
|
|
self.assertEqual(result, self.dup)
|
|
|
|
def test_empty_union(self):
|
|
result = self.set | empty_set
|
|
self.assertEqual(result, self.dup)
|
|
|
|
def test_union_empty(self):
|
|
result = empty_set | self.set
|
|
self.assertEqual(result, self.dup)
|
|
|
|
def test_self_intersection(self):
|
|
result = self.set & self.set
|
|
self.assertEqual(result, self.dup)
|
|
|
|
def test_empty_intersection(self):
|
|
result = self.set & empty_set
|
|
self.assertEqual(result, empty_set)
|
|
|
|
def test_intersection_empty(self):
|
|
result = empty_set & self.set
|
|
self.assertEqual(result, empty_set)
|
|
|
|
def test_self_symmetric_difference(self):
|
|
result = self.set ^ self.set
|
|
self.assertEqual(result, empty_set)
|
|
|
|
def checkempty_symmetric_difference(self):
|
|
result = self.set ^ empty_set
|
|
self.assertEqual(result, self.set)
|
|
|
|
def test_self_difference(self):
|
|
result = self.set - self.set
|
|
self.assertEqual(result, empty_set)
|
|
|
|
def test_empty_difference(self):
|
|
result = self.set - empty_set
|
|
self.assertEqual(result, self.dup)
|
|
|
|
def test_empty_difference_rev(self):
|
|
result = empty_set - self.set
|
|
self.assertEqual(result, empty_set)
|
|
|
|
def test_iteration(self):
|
|
for v in self.set:
|
|
self.assert_(v in self.values)
|
|
|
|
def test_pickling(self):
|
|
p = pickle.dumps(self.set)
|
|
copy = pickle.loads(p)
|
|
self.assertEqual(self.set, copy,
|
|
"%s != %s" % (self.set, copy))
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestBasicOpsEmpty(TestBasicOps):
|
|
def setUp(self):
|
|
self.case = "empty set"
|
|
self.values = []
|
|
self.set = set(self.values)
|
|
self.dup = set(self.values)
|
|
self.length = 0
|
|
self.repr = "set([])"
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestBasicOpsSingleton(TestBasicOps):
|
|
def setUp(self):
|
|
self.case = "unit set (number)"
|
|
self.values = [3]
|
|
self.set = set(self.values)
|
|
self.dup = set(self.values)
|
|
self.length = 1
|
|
self.repr = "set([3])"
|
|
|
|
def test_in(self):
|
|
self.failUnless(3 in self.set)
|
|
|
|
def test_not_in(self):
|
|
self.failUnless(2 not in self.set)
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestBasicOpsTuple(TestBasicOps):
|
|
def setUp(self):
|
|
self.case = "unit set (tuple)"
|
|
self.values = [(0, "zero")]
|
|
self.set = set(self.values)
|
|
self.dup = set(self.values)
|
|
self.length = 1
|
|
self.repr = "set([(0, 'zero')])"
|
|
|
|
def test_in(self):
|
|
self.failUnless((0, "zero") in self.set)
|
|
|
|
def test_not_in(self):
|
|
self.failUnless(9 not in self.set)
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestBasicOpsTriple(TestBasicOps):
|
|
def setUp(self):
|
|
self.case = "triple set"
|
|
self.values = [0, "zero", operator.add]
|
|
self.set = set(self.values)
|
|
self.dup = set(self.values)
|
|
self.length = 3
|
|
self.repr = None
|
|
|
|
#==============================================================================
|
|
|
|
def baditer():
|
|
raise TypeError
|
|
yield True
|
|
|
|
def gooditer():
|
|
yield True
|
|
|
|
class TestExceptionPropagation(unittest.TestCase):
|
|
"""SF 628246: Set constructor should not trap iterator TypeErrors"""
|
|
|
|
def test_instanceWithException(self):
|
|
self.assertRaises(TypeError, set, baditer())
|
|
|
|
def test_instancesWithoutException(self):
|
|
# All of these iterables should load without exception.
|
|
set([1,2,3])
|
|
set((1,2,3))
|
|
set({'one':1, 'two':2, 'three':3})
|
|
set(xrange(3))
|
|
set('abc')
|
|
set(gooditer())
|
|
|
|
#==============================================================================
|
|
|
|
class TestSetOfSets(unittest.TestCase):
|
|
def test_constructor(self):
|
|
inner = frozenset([1])
|
|
outer = set([inner])
|
|
element = outer.pop()
|
|
self.assertEqual(type(element), frozenset)
|
|
outer.add(inner) # Rebuild set of sets with .add method
|
|
outer.remove(inner)
|
|
self.assertEqual(outer, set()) # Verify that remove worked
|
|
outer.discard(inner) # Absence of KeyError indicates working fine
|
|
|
|
#==============================================================================
|
|
|
|
class TestBinaryOps(unittest.TestCase):
|
|
def setUp(self):
|
|
self.set = set((2, 4, 6))
|
|
|
|
def test_eq(self): # SF bug 643115
|
|
self.assertEqual(self.set, set({2:1,4:3,6:5}))
|
|
|
|
def test_union_subset(self):
|
|
result = self.set | set([2])
|
|
self.assertEqual(result, set((2, 4, 6)))
|
|
|
|
def test_union_superset(self):
|
|
result = self.set | set([2, 4, 6, 8])
|
|
self.assertEqual(result, set([2, 4, 6, 8]))
|
|
|
|
def test_union_overlap(self):
|
|
result = self.set | set([3, 4, 5])
|
|
self.assertEqual(result, set([2, 3, 4, 5, 6]))
|
|
|
|
def test_union_non_overlap(self):
|
|
result = self.set | set([8])
|
|
self.assertEqual(result, set([2, 4, 6, 8]))
|
|
|
|
def test_intersection_subset(self):
|
|
result = self.set & set((2, 4))
|
|
self.assertEqual(result, set((2, 4)))
|
|
|
|
def test_intersection_superset(self):
|
|
result = self.set & set([2, 4, 6, 8])
|
|
self.assertEqual(result, set([2, 4, 6]))
|
|
|
|
def test_intersection_overlap(self):
|
|
result = self.set & set([3, 4, 5])
|
|
self.assertEqual(result, set([4]))
|
|
|
|
def test_intersection_non_overlap(self):
|
|
result = self.set & set([8])
|
|
self.assertEqual(result, empty_set)
|
|
|
|
def test_sym_difference_subset(self):
|
|
result = self.set ^ set((2, 4))
|
|
self.assertEqual(result, set([6]))
|
|
|
|
def test_sym_difference_superset(self):
|
|
result = self.set ^ set((2, 4, 6, 8))
|
|
self.assertEqual(result, set([8]))
|
|
|
|
def test_sym_difference_overlap(self):
|
|
result = self.set ^ set((3, 4, 5))
|
|
self.assertEqual(result, set([2, 3, 5, 6]))
|
|
|
|
def test_sym_difference_non_overlap(self):
|
|
result = self.set ^ set([8])
|
|
self.assertEqual(result, set([2, 4, 6, 8]))
|
|
|
|
def test_cmp(self):
|
|
a, b = set('a'), set('b')
|
|
self.assertRaises(TypeError, cmp, a, b)
|
|
|
|
# You can view this as a buglet: cmp(a, a) does not raise TypeError,
|
|
# because __eq__ is tried before __cmp__, and a.__eq__(a) returns True,
|
|
# which Python thinks is good enough to synthesize a cmp() result
|
|
# without calling __cmp__.
|
|
self.assertEqual(cmp(a, a), 0)
|
|
|
|
self.assertRaises(TypeError, cmp, a, 12)
|
|
self.assertRaises(TypeError, cmp, "abc", a)
|
|
|
|
#==============================================================================
|
|
|
|
class TestUpdateOps(unittest.TestCase):
|
|
def setUp(self):
|
|
self.set = set((2, 4, 6))
|
|
|
|
def test_union_subset(self):
|
|
self.set |= set([2])
|
|
self.assertEqual(self.set, set((2, 4, 6)))
|
|
|
|
def test_union_superset(self):
|
|
self.set |= set([2, 4, 6, 8])
|
|
self.assertEqual(self.set, set([2, 4, 6, 8]))
|
|
|
|
def test_union_overlap(self):
|
|
self.set |= set([3, 4, 5])
|
|
self.assertEqual(self.set, set([2, 3, 4, 5, 6]))
|
|
|
|
def test_union_non_overlap(self):
|
|
self.set |= set([8])
|
|
self.assertEqual(self.set, set([2, 4, 6, 8]))
|
|
|
|
def test_union_method_call(self):
|
|
self.set.update(set([3, 4, 5]))
|
|
self.assertEqual(self.set, set([2, 3, 4, 5, 6]))
|
|
|
|
def test_intersection_subset(self):
|
|
self.set &= set((2, 4))
|
|
self.assertEqual(self.set, set((2, 4)))
|
|
|
|
def test_intersection_superset(self):
|
|
self.set &= set([2, 4, 6, 8])
|
|
self.assertEqual(self.set, set([2, 4, 6]))
|
|
|
|
def test_intersection_overlap(self):
|
|
self.set &= set([3, 4, 5])
|
|
self.assertEqual(self.set, set([4]))
|
|
|
|
def test_intersection_non_overlap(self):
|
|
self.set &= set([8])
|
|
self.assertEqual(self.set, empty_set)
|
|
|
|
def test_intersection_method_call(self):
|
|
self.set.intersection_update(set([3, 4, 5]))
|
|
self.assertEqual(self.set, set([4]))
|
|
|
|
def test_sym_difference_subset(self):
|
|
self.set ^= set((2, 4))
|
|
self.assertEqual(self.set, set([6]))
|
|
|
|
def test_sym_difference_superset(self):
|
|
self.set ^= set((2, 4, 6, 8))
|
|
self.assertEqual(self.set, set([8]))
|
|
|
|
def test_sym_difference_overlap(self):
|
|
self.set ^= set((3, 4, 5))
|
|
self.assertEqual(self.set, set([2, 3, 5, 6]))
|
|
|
|
def test_sym_difference_non_overlap(self):
|
|
self.set ^= set([8])
|
|
self.assertEqual(self.set, set([2, 4, 6, 8]))
|
|
|
|
def test_sym_difference_method_call(self):
|
|
self.set.symmetric_difference_update(set([3, 4, 5]))
|
|
self.assertEqual(self.set, set([2, 3, 5, 6]))
|
|
|
|
def test_difference_subset(self):
|
|
self.set -= set((2, 4))
|
|
self.assertEqual(self.set, set([6]))
|
|
|
|
def test_difference_superset(self):
|
|
self.set -= set((2, 4, 6, 8))
|
|
self.assertEqual(self.set, set([]))
|
|
|
|
def test_difference_overlap(self):
|
|
self.set -= set((3, 4, 5))
|
|
self.assertEqual(self.set, set([2, 6]))
|
|
|
|
def test_difference_non_overlap(self):
|
|
self.set -= set([8])
|
|
self.assertEqual(self.set, set([2, 4, 6]))
|
|
|
|
def test_difference_method_call(self):
|
|
self.set.difference_update(set([3, 4, 5]))
|
|
self.assertEqual(self.set, set([2, 6]))
|
|
|
|
#==============================================================================
|
|
|
|
class TestMutate(unittest.TestCase):
|
|
def setUp(self):
|
|
self.values = ["a", "b", "c"]
|
|
self.set = set(self.values)
|
|
|
|
def test_add_present(self):
|
|
self.set.add("c")
|
|
self.assertEqual(self.set, set("abc"))
|
|
|
|
def test_add_absent(self):
|
|
self.set.add("d")
|
|
self.assertEqual(self.set, set("abcd"))
|
|
|
|
def test_add_until_full(self):
|
|
tmp = set()
|
|
expected_len = 0
|
|
for v in self.values:
|
|
tmp.add(v)
|
|
expected_len += 1
|
|
self.assertEqual(len(tmp), expected_len)
|
|
self.assertEqual(tmp, self.set)
|
|
|
|
def test_remove_present(self):
|
|
self.set.remove("b")
|
|
self.assertEqual(self.set, set("ac"))
|
|
|
|
def test_remove_absent(self):
|
|
try:
|
|
self.set.remove("d")
|
|
self.fail("Removing missing element should have raised LookupError")
|
|
except LookupError:
|
|
pass
|
|
|
|
def test_remove_until_empty(self):
|
|
expected_len = len(self.set)
|
|
for v in self.values:
|
|
self.set.remove(v)
|
|
expected_len -= 1
|
|
self.assertEqual(len(self.set), expected_len)
|
|
|
|
def test_discard_present(self):
|
|
self.set.discard("c")
|
|
self.assertEqual(self.set, set("ab"))
|
|
|
|
def test_discard_absent(self):
|
|
self.set.discard("d")
|
|
self.assertEqual(self.set, set("abc"))
|
|
|
|
def test_clear(self):
|
|
self.set.clear()
|
|
self.assertEqual(len(self.set), 0)
|
|
|
|
def test_pop(self):
|
|
popped = {}
|
|
while self.set:
|
|
popped[self.set.pop()] = None
|
|
self.assertEqual(len(popped), len(self.values))
|
|
for v in self.values:
|
|
self.failUnless(v in popped)
|
|
|
|
def test_update_empty_tuple(self):
|
|
self.set.update(())
|
|
self.assertEqual(self.set, set(self.values))
|
|
|
|
def test_update_unit_tuple_overlap(self):
|
|
self.set.update(("a",))
|
|
self.assertEqual(self.set, set(self.values))
|
|
|
|
def test_update_unit_tuple_non_overlap(self):
|
|
self.set.update(("a", "z"))
|
|
self.assertEqual(self.set, set(self.values + ["z"]))
|
|
|
|
#==============================================================================
|
|
|
|
class TestSubsets(unittest.TestCase):
|
|
|
|
case2method = {"<=": "issubset",
|
|
">=": "issuperset",
|
|
}
|
|
|
|
reverse = {"==": "==",
|
|
"!=": "!=",
|
|
"<": ">",
|
|
">": "<",
|
|
"<=": ">=",
|
|
">=": "<=",
|
|
}
|
|
|
|
def test_issubset(self):
|
|
x = self.left
|
|
y = self.right
|
|
for case in "!=", "==", "<", "<=", ">", ">=":
|
|
expected = case in self.cases
|
|
# Test the binary infix spelling.
|
|
result = eval("x" + case + "y", locals())
|
|
self.assertEqual(result, expected)
|
|
# Test the "friendly" method-name spelling, if one exists.
|
|
if case in TestSubsets.case2method:
|
|
method = getattr(x, TestSubsets.case2method[case])
|
|
result = method(y)
|
|
self.assertEqual(result, expected)
|
|
|
|
# Now do the same for the operands reversed.
|
|
rcase = TestSubsets.reverse[case]
|
|
result = eval("y" + rcase + "x", locals())
|
|
self.assertEqual(result, expected)
|
|
if rcase in TestSubsets.case2method:
|
|
method = getattr(y, TestSubsets.case2method[rcase])
|
|
result = method(x)
|
|
self.assertEqual(result, expected)
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestSubsetEqualEmpty(TestSubsets):
|
|
left = set()
|
|
right = set()
|
|
name = "both empty"
|
|
cases = "==", "<=", ">="
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestSubsetEqualNonEmpty(TestSubsets):
|
|
left = set([1, 2])
|
|
right = set([1, 2])
|
|
name = "equal pair"
|
|
cases = "==", "<=", ">="
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestSubsetEmptyNonEmpty(TestSubsets):
|
|
left = set()
|
|
right = set([1, 2])
|
|
name = "one empty, one non-empty"
|
|
cases = "!=", "<", "<="
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestSubsetPartial(TestSubsets):
|
|
left = set([1])
|
|
right = set([1, 2])
|
|
name = "one a non-empty proper subset of other"
|
|
cases = "!=", "<", "<="
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestSubsetNonOverlap(TestSubsets):
|
|
left = set([1])
|
|
right = set([2])
|
|
name = "neither empty, neither contains"
|
|
cases = "!="
|
|
|
|
#==============================================================================
|
|
|
|
class TestOnlySetsInBinaryOps(unittest.TestCase):
|
|
|
|
def test_eq_ne(self):
|
|
# Unlike the others, this is testing that == and != *are* allowed.
|
|
self.assertEqual(self.other == self.set, False)
|
|
self.assertEqual(self.set == self.other, False)
|
|
self.assertEqual(self.other != self.set, True)
|
|
self.assertEqual(self.set != self.other, True)
|
|
|
|
def test_ge_gt_le_lt(self):
|
|
self.assertRaises(TypeError, lambda: self.set < self.other)
|
|
self.assertRaises(TypeError, lambda: self.set <= self.other)
|
|
self.assertRaises(TypeError, lambda: self.set > self.other)
|
|
self.assertRaises(TypeError, lambda: self.set >= self.other)
|
|
|
|
self.assertRaises(TypeError, lambda: self.other < self.set)
|
|
self.assertRaises(TypeError, lambda: self.other <= self.set)
|
|
self.assertRaises(TypeError, lambda: self.other > self.set)
|
|
self.assertRaises(TypeError, lambda: self.other >= self.set)
|
|
|
|
def test_update_operator(self):
|
|
try:
|
|
self.set |= self.other
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
self.fail("expected TypeError")
|
|
|
|
def test_update(self):
|
|
if self.otherIsIterable:
|
|
self.set.update(self.other)
|
|
else:
|
|
self.assertRaises(TypeError, self.set.update, self.other)
|
|
|
|
def test_union(self):
|
|
self.assertRaises(TypeError, lambda: self.set | self.other)
|
|
self.assertRaises(TypeError, lambda: self.other | self.set)
|
|
if self.otherIsIterable:
|
|
self.set.union(self.other)
|
|
else:
|
|
self.assertRaises(TypeError, self.set.union, self.other)
|
|
|
|
def test_intersection_update_operator(self):
|
|
try:
|
|
self.set &= self.other
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
self.fail("expected TypeError")
|
|
|
|
def test_intersection_update(self):
|
|
if self.otherIsIterable:
|
|
self.set.intersection_update(self.other)
|
|
else:
|
|
self.assertRaises(TypeError,
|
|
self.set.intersection_update,
|
|
self.other)
|
|
|
|
def test_intersection(self):
|
|
self.assertRaises(TypeError, lambda: self.set & self.other)
|
|
self.assertRaises(TypeError, lambda: self.other & self.set)
|
|
if self.otherIsIterable:
|
|
self.set.intersection(self.other)
|
|
else:
|
|
self.assertRaises(TypeError, self.set.intersection, self.other)
|
|
|
|
def test_sym_difference_update_operator(self):
|
|
try:
|
|
self.set ^= self.other
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
self.fail("expected TypeError")
|
|
|
|
def test_sym_difference_update(self):
|
|
if self.otherIsIterable:
|
|
self.set.symmetric_difference_update(self.other)
|
|
else:
|
|
self.assertRaises(TypeError,
|
|
self.set.symmetric_difference_update,
|
|
self.other)
|
|
|
|
def test_sym_difference(self):
|
|
self.assertRaises(TypeError, lambda: self.set ^ self.other)
|
|
self.assertRaises(TypeError, lambda: self.other ^ self.set)
|
|
if self.otherIsIterable:
|
|
self.set.symmetric_difference(self.other)
|
|
else:
|
|
self.assertRaises(TypeError, self.set.symmetric_difference, self.other)
|
|
|
|
def test_difference_update_operator(self):
|
|
try:
|
|
self.set -= self.other
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
self.fail("expected TypeError")
|
|
|
|
def test_difference_update(self):
|
|
if self.otherIsIterable:
|
|
self.set.difference_update(self.other)
|
|
else:
|
|
self.assertRaises(TypeError,
|
|
self.set.difference_update,
|
|
self.other)
|
|
|
|
def test_difference(self):
|
|
self.assertRaises(TypeError, lambda: self.set - self.other)
|
|
self.assertRaises(TypeError, lambda: self.other - self.set)
|
|
if self.otherIsIterable:
|
|
self.set.difference(self.other)
|
|
else:
|
|
self.assertRaises(TypeError, self.set.difference, self.other)
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestOnlySetsNumeric(TestOnlySetsInBinaryOps):
|
|
def setUp(self):
|
|
self.set = set((1, 2, 3))
|
|
self.other = 19
|
|
self.otherIsIterable = False
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestOnlySetsDict(TestOnlySetsInBinaryOps):
|
|
def setUp(self):
|
|
self.set = set((1, 2, 3))
|
|
self.other = {1:2, 3:4}
|
|
self.otherIsIterable = True
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestOnlySetsOperator(TestOnlySetsInBinaryOps):
|
|
def setUp(self):
|
|
self.set = set((1, 2, 3))
|
|
self.other = operator.add
|
|
self.otherIsIterable = False
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestOnlySetsTuple(TestOnlySetsInBinaryOps):
|
|
def setUp(self):
|
|
self.set = set((1, 2, 3))
|
|
self.other = (2, 4, 6)
|
|
self.otherIsIterable = True
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestOnlySetsString(TestOnlySetsInBinaryOps):
|
|
def setUp(self):
|
|
self.set = set((1, 2, 3))
|
|
self.other = 'abc'
|
|
self.otherIsIterable = True
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestOnlySetsGenerator(TestOnlySetsInBinaryOps):
|
|
def setUp(self):
|
|
def gen():
|
|
for i in xrange(0, 10, 2):
|
|
yield i
|
|
self.set = set((1, 2, 3))
|
|
self.other = gen()
|
|
self.otherIsIterable = True
|
|
|
|
#==============================================================================
|
|
|
|
class TestCopying(unittest.TestCase):
|
|
|
|
def test_copy(self):
|
|
dup = self.set.copy()
|
|
dup_list = list(dup); dup_list.sort()
|
|
set_list = list(self.set); set_list.sort()
|
|
self.assertEqual(len(dup_list), len(set_list))
|
|
for i in range(len(dup_list)):
|
|
self.failUnless(dup_list[i] is set_list[i])
|
|
|
|
def test_deep_copy(self):
|
|
dup = copy.deepcopy(self.set)
|
|
##print type(dup), repr(dup)
|
|
dup_list = list(dup); dup_list.sort()
|
|
set_list = list(self.set); set_list.sort()
|
|
self.assertEqual(len(dup_list), len(set_list))
|
|
for i in range(len(dup_list)):
|
|
self.assertEqual(dup_list[i], set_list[i])
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestCopyingEmpty(TestCopying):
|
|
def setUp(self):
|
|
self.set = set()
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestCopyingSingleton(TestCopying):
|
|
def setUp(self):
|
|
self.set = set(["hello"])
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestCopyingTriple(TestCopying):
|
|
def setUp(self):
|
|
self.set = set(["zero", 0, None])
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestCopyingTuple(TestCopying):
|
|
def setUp(self):
|
|
self.set = set([(1, 2)])
|
|
|
|
#------------------------------------------------------------------------------
|
|
|
|
class TestCopyingNested(TestCopying):
|
|
def setUp(self):
|
|
self.set = set([((1, 2), (3, 4))])
|
|
|
|
#==============================================================================
|
|
|
|
class TestIdentities(unittest.TestCase):
|
|
def setUp(self):
|
|
self.a = set('abracadabra')
|
|
self.b = set('alacazam')
|
|
|
|
def test_binopsVsSubsets(self):
|
|
a, b = self.a, self.b
|
|
self.assert_(a - b < a)
|
|
self.assert_(b - a < b)
|
|
self.assert_(a & b < a)
|
|
self.assert_(a & b < b)
|
|
self.assert_(a | b > a)
|
|
self.assert_(a | b > b)
|
|
self.assert_(a ^ b < a | b)
|
|
|
|
def test_commutativity(self):
|
|
a, b = self.a, self.b
|
|
self.assertEqual(a&b, b&a)
|
|
self.assertEqual(a|b, b|a)
|
|
self.assertEqual(a^b, b^a)
|
|
if a != b:
|
|
self.assertNotEqual(a-b, b-a)
|
|
|
|
def test_summations(self):
|
|
# check that sums of parts equal the whole
|
|
a, b = self.a, self.b
|
|
self.assertEqual((a-b)|(a&b)|(b-a), a|b)
|
|
self.assertEqual((a&b)|(a^b), a|b)
|
|
self.assertEqual(a|(b-a), a|b)
|
|
self.assertEqual((a-b)|b, a|b)
|
|
self.assertEqual((a-b)|(a&b), a)
|
|
self.assertEqual((b-a)|(a&b), b)
|
|
self.assertEqual((a-b)|(b-a), a^b)
|
|
|
|
def test_exclusion(self):
|
|
# check that inverse operations show non-overlap
|
|
a, b, zero = self.a, self.b, set()
|
|
self.assertEqual((a-b)&b, zero)
|
|
self.assertEqual((b-a)&a, zero)
|
|
self.assertEqual((a&b)&(a^b), zero)
|
|
|
|
# Tests derived from test_itertools.py =======================================
|
|
|
|
def R(seqn):
|
|
'Regular generator'
|
|
for i in seqn:
|
|
yield i
|
|
|
|
class G:
|
|
'Sequence using __getitem__'
|
|
def __init__(self, seqn):
|
|
self.seqn = seqn
|
|
def __getitem__(self, i):
|
|
return self.seqn[i]
|
|
|
|
class I:
|
|
'Sequence using iterator protocol'
|
|
def __init__(self, seqn):
|
|
self.seqn = seqn
|
|
self.i = 0
|
|
def __iter__(self):
|
|
return self
|
|
def next(self):
|
|
if self.i >= len(self.seqn): raise StopIteration
|
|
v = self.seqn[self.i]
|
|
self.i += 1
|
|
return v
|
|
|
|
class Ig:
|
|
'Sequence using iterator protocol defined with a generator'
|
|
def __init__(self, seqn):
|
|
self.seqn = seqn
|
|
self.i = 0
|
|
def __iter__(self):
|
|
for val in self.seqn:
|
|
yield val
|
|
|
|
class X:
|
|
'Missing __getitem__ and __iter__'
|
|
def __init__(self, seqn):
|
|
self.seqn = seqn
|
|
self.i = 0
|
|
def next(self):
|
|
if self.i >= len(self.seqn): raise StopIteration
|
|
v = self.seqn[self.i]
|
|
self.i += 1
|
|
return v
|
|
|
|
class N:
|
|
'Iterator missing next()'
|
|
def __init__(self, seqn):
|
|
self.seqn = seqn
|
|
self.i = 0
|
|
def __iter__(self):
|
|
return self
|
|
|
|
class E:
|
|
'Test propagation of exceptions'
|
|
def __init__(self, seqn):
|
|
self.seqn = seqn
|
|
self.i = 0
|
|
def __iter__(self):
|
|
return self
|
|
def next(self):
|
|
3 // 0
|
|
|
|
class S:
|
|
'Test immediate stop'
|
|
def __init__(self, seqn):
|
|
pass
|
|
def __iter__(self):
|
|
return self
|
|
def next(self):
|
|
raise StopIteration
|
|
|
|
from itertools import chain, imap
|
|
def L(seqn):
|
|
'Test multiple tiers of iterators'
|
|
return chain(imap(lambda x:x, R(Ig(G(seqn)))))
|
|
|
|
class TestVariousIteratorArgs(unittest.TestCase):
|
|
|
|
def test_constructor(self):
|
|
for cons in (set, frozenset):
|
|
for s in ("123", "", range(1000), ('do', 1.2), xrange(2000,2200,5)):
|
|
for g in (G, I, Ig, S, L, R):
|
|
self.assertEqual(sorted(cons(g(s))), sorted(g(s)))
|
|
self.assertRaises(TypeError, cons , X(s))
|
|
self.assertRaises(TypeError, cons , N(s))
|
|
self.assertRaises(ZeroDivisionError, cons , E(s))
|
|
|
|
def test_inline_methods(self):
|
|
s = set('november')
|
|
for data in ("123", "", range(1000), ('do', 1.2), xrange(2000,2200,5), 'december'):
|
|
for meth in (s.union, s.intersection, s.difference, s.symmetric_difference):
|
|
for g in (G, I, Ig, L, R):
|
|
expected = meth(data)
|
|
actual = meth(G(data))
|
|
self.assertEqual(sorted(actual), sorted(expected))
|
|
self.assertRaises(TypeError, meth, X(s))
|
|
self.assertRaises(TypeError, meth, N(s))
|
|
self.assertRaises(ZeroDivisionError, meth, E(s))
|
|
|
|
def test_inplace_methods(self):
|
|
for data in ("123", "", range(1000), ('do', 1.2), xrange(2000,2200,5), 'december'):
|
|
for methname in ('update', 'intersection_update',
|
|
'difference_update', 'symmetric_difference_update'):
|
|
for g in (G, I, Ig, S, L, R):
|
|
s = set('january')
|
|
t = s.copy()
|
|
getattr(s, methname)(list(g(data)))
|
|
getattr(t, methname)(g(data))
|
|
self.assertEqual(sorted(s), sorted(t))
|
|
|
|
self.assertRaises(TypeError, getattr(set('january'), methname), X(data))
|
|
self.assertRaises(TypeError, getattr(set('january'), methname), N(data))
|
|
self.assertRaises(ZeroDivisionError, getattr(set('january'), methname), E(data))
|
|
|
|
#==============================================================================
|
|
|
|
def test_main(verbose=None):
|
|
import sys
|
|
from test import test_sets
|
|
test_classes = (
|
|
TestSet,
|
|
TestSetSubclass,
|
|
TestFrozenSet,
|
|
TestFrozenSetSubclass,
|
|
TestSetOfSets,
|
|
TestExceptionPropagation,
|
|
TestBasicOpsEmpty,
|
|
TestBasicOpsSingleton,
|
|
TestBasicOpsTuple,
|
|
TestBasicOpsTriple,
|
|
TestBinaryOps,
|
|
TestUpdateOps,
|
|
TestMutate,
|
|
TestSubsetEqualEmpty,
|
|
TestSubsetEqualNonEmpty,
|
|
TestSubsetEmptyNonEmpty,
|
|
TestSubsetPartial,
|
|
TestSubsetNonOverlap,
|
|
TestOnlySetsNumeric,
|
|
TestOnlySetsDict,
|
|
TestOnlySetsOperator,
|
|
TestOnlySetsTuple,
|
|
TestOnlySetsString,
|
|
TestOnlySetsGenerator,
|
|
TestCopyingEmpty,
|
|
TestCopyingSingleton,
|
|
TestCopyingTriple,
|
|
TestCopyingTuple,
|
|
TestCopyingNested,
|
|
TestIdentities,
|
|
TestVariousIteratorArgs,
|
|
)
|
|
|
|
test_support.run_unittest(*test_classes)
|
|
|
|
# verify reference counting
|
|
if verbose and hasattr(sys, "gettotalrefcount"):
|
|
import gc
|
|
counts = [None] * 5
|
|
for i in xrange(len(counts)):
|
|
test_support.run_unittest(*test_classes)
|
|
gc.collect()
|
|
counts[i] = sys.gettotalrefcount()
|
|
print counts
|
|
|
|
if __name__ == "__main__":
|
|
test_main(verbose=True)
|