| import unittest |
| from test import test_support |
| from weakref import proxy |
| import operator |
| import copy |
| import pickle |
| import os |
| |
| class PassThru(Exception): |
| pass |
| |
| def check_pass_thru(): |
| raise PassThru |
| yield 1 |
| |
| class TestJointOps(unittest.TestCase): |
| # Tests common to both set and frozenset |
| |
| def setUp(self): |
| self.word = word = 'simsalabim' |
| self.otherword = 'madagascar' |
| self.letters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' |
| self.s = self.thetype(word) |
| self.d = dict.fromkeys(word) |
| |
| def test_uniquification(self): |
| actual = sorted(self.s) |
| expected = sorted(self.d) |
| self.assertEqual(actual, expected) |
| self.assertRaises(PassThru, self.thetype, check_pass_thru()) |
| self.assertRaises(TypeError, self.thetype, [[]]) |
| |
| def test_len(self): |
| self.assertEqual(len(self.s), len(self.d)) |
| |
| def test_contains(self): |
| for c in self.letters: |
| self.assertEqual(c in self.s, c in self.d) |
| self.assertRaises(TypeError, self.s.__contains__, [[]]) |
| s = self.thetype([frozenset(self.letters)]) |
| self.assert_(self.thetype(self.letters) in s) |
| |
| def test_union(self): |
| u = self.s.union(self.otherword) |
| for c in self.letters: |
| self.assertEqual(c in u, c in self.d or c in self.otherword) |
| self.assertEqual(self.s, self.thetype(self.word)) |
| self.assertEqual(type(u), self.thetype) |
| self.assertRaises(PassThru, self.s.union, check_pass_thru()) |
| self.assertRaises(TypeError, self.s.union, [[]]) |
| for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple: |
| self.assertEqual(self.thetype('abcba').union(C('cdc')), set('abcd')) |
| self.assertEqual(self.thetype('abcba').union(C('efgfe')), set('abcefg')) |
| self.assertEqual(self.thetype('abcba').union(C('ccb')), set('abc')) |
| self.assertEqual(self.thetype('abcba').union(C('ef')), set('abcef')) |
| |
| def test_or(self): |
| i = self.s.union(self.otherword) |
| self.assertEqual(self.s | set(self.otherword), i) |
| self.assertEqual(self.s | frozenset(self.otherword), i) |
| try: |
| self.s | self.otherword |
| except TypeError: |
| pass |
| else: |
| self.fail("s|t did not screen-out general iterables") |
| |
| def test_intersection(self): |
| i = self.s.intersection(self.otherword) |
| for c in self.letters: |
| self.assertEqual(c in i, c in self.d and c in self.otherword) |
| self.assertEqual(self.s, self.thetype(self.word)) |
| self.assertEqual(type(i), self.thetype) |
| self.assertRaises(PassThru, self.s.intersection, check_pass_thru()) |
| for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple: |
| self.assertEqual(self.thetype('abcba').intersection(C('cdc')), set('cc')) |
| self.assertEqual(self.thetype('abcba').intersection(C('efgfe')), set('')) |
| self.assertEqual(self.thetype('abcba').intersection(C('ccb')), set('bc')) |
| self.assertEqual(self.thetype('abcba').intersection(C('ef')), set('')) |
| |
| def test_and(self): |
| i = self.s.intersection(self.otherword) |
| self.assertEqual(self.s & set(self.otherword), i) |
| self.assertEqual(self.s & frozenset(self.otherword), i) |
| try: |
| self.s & self.otherword |
| except TypeError: |
| pass |
| else: |
| self.fail("s&t did not screen-out general iterables") |
| |
| def test_difference(self): |
| i = self.s.difference(self.otherword) |
| for c in self.letters: |
| self.assertEqual(c in i, c in self.d and c not in self.otherword) |
| self.assertEqual(self.s, self.thetype(self.word)) |
| self.assertEqual(type(i), self.thetype) |
| self.assertRaises(PassThru, self.s.difference, check_pass_thru()) |
| self.assertRaises(TypeError, self.s.difference, [[]]) |
| for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple: |
| self.assertEqual(self.thetype('abcba').difference(C('cdc')), set('ab')) |
| self.assertEqual(self.thetype('abcba').difference(C('efgfe')), set('abc')) |
| self.assertEqual(self.thetype('abcba').difference(C('ccb')), set('a')) |
| self.assertEqual(self.thetype('abcba').difference(C('ef')), set('abc')) |
| |
| def test_sub(self): |
| i = self.s.difference(self.otherword) |
| self.assertEqual(self.s - set(self.otherword), i) |
| self.assertEqual(self.s - frozenset(self.otherword), i) |
| try: |
| self.s - self.otherword |
| except TypeError: |
| pass |
| else: |
| self.fail("s-t did not screen-out general iterables") |
| |
| def test_symmetric_difference(self): |
| i = self.s.symmetric_difference(self.otherword) |
| for c in self.letters: |
| self.assertEqual(c in i, (c in self.d) ^ (c in self.otherword)) |
| self.assertEqual(self.s, self.thetype(self.word)) |
| self.assertEqual(type(i), self.thetype) |
| self.assertRaises(PassThru, self.s.symmetric_difference, check_pass_thru()) |
| self.assertRaises(TypeError, self.s.symmetric_difference, [[]]) |
| for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple: |
| self.assertEqual(self.thetype('abcba').symmetric_difference(C('cdc')), set('abd')) |
| self.assertEqual(self.thetype('abcba').symmetric_difference(C('efgfe')), set('abcefg')) |
| self.assertEqual(self.thetype('abcba').symmetric_difference(C('ccb')), set('a')) |
| self.assertEqual(self.thetype('abcba').symmetric_difference(C('ef')), set('abcef')) |
| |
| def test_xor(self): |
| i = self.s.symmetric_difference(self.otherword) |
| self.assertEqual(self.s ^ set(self.otherword), i) |
| self.assertEqual(self.s ^ frozenset(self.otherword), i) |
| try: |
| self.s ^ self.otherword |
| except TypeError: |
| pass |
| else: |
| self.fail("s^t did not screen-out general iterables") |
| |
| def test_equality(self): |
| self.assertEqual(self.s, set(self.word)) |
| self.assertEqual(self.s, frozenset(self.word)) |
| self.assertEqual(self.s == self.word, False) |
| self.assertNotEqual(self.s, set(self.otherword)) |
| self.assertNotEqual(self.s, frozenset(self.otherword)) |
| self.assertEqual(self.s != self.word, True) |
| |
| def test_setOfFrozensets(self): |
| t = map(frozenset, ['abcdef', 'bcd', 'bdcb', 'fed', 'fedccba']) |
| s = self.thetype(t) |
| self.assertEqual(len(s), 3) |
| |
| def test_compare(self): |
| self.assertRaises(TypeError, self.s.__cmp__, self.s) |
| |
| def test_sub_and_super(self): |
| p, q, r = map(self.thetype, ['ab', 'abcde', 'def']) |
| self.assert_(p < q) |
| self.assert_(p <= q) |
| self.assert_(q <= q) |
| self.assert_(q > p) |
| self.assert_(q >= p) |
| self.failIf(q < r) |
| self.failIf(q <= r) |
| self.failIf(q > r) |
| self.failIf(q >= r) |
| self.assert_(set('a').issubset('abc')) |
| self.assert_(set('abc').issuperset('a')) |
| self.failIf(set('a').issubset('cbs')) |
| self.failIf(set('cbs').issuperset('a')) |
| |
| def test_pickling(self): |
| p = pickle.dumps(self.s) |
| dup = pickle.loads(p) |
| self.assertEqual(self.s, dup, "%s != %s" % (self.s, dup)) |
| |
| def test_deepcopy(self): |
| class Tracer: |
| def __init__(self, value): |
| self.value = value |
| def __hash__(self): |
| return self.value |
| def __deepcopy__(self, memo=None): |
| return Tracer(self.value + 1) |
| t = Tracer(10) |
| s = self.thetype([t]) |
| dup = copy.deepcopy(s) |
| self.assertNotEqual(id(s), id(dup)) |
| for elem in dup: |
| newt = elem |
| self.assertNotEqual(id(t), id(newt)) |
| self.assertEqual(t.value + 1, newt.value) |
| |
| class TestSet(TestJointOps): |
| thetype = set |
| |
| def test_init(self): |
| s = self.thetype() |
| s.__init__(self.word) |
| self.assertEqual(s, set(self.word)) |
| s.__init__(self.otherword) |
| self.assertEqual(s, set(self.otherword)) |
| self.assertRaises(TypeError, s.__init__, s, 2); |
| self.assertRaises(TypeError, s.__init__, 1); |
| |
| def test_constructor_identity(self): |
| s = self.thetype(range(3)) |
| t = self.thetype(s) |
| self.assertNotEqual(id(s), id(t)) |
| |
| def test_hash(self): |
| self.assertRaises(TypeError, hash, self.s) |
| |
| def test_clear(self): |
| self.s.clear() |
| self.assertEqual(self.s, set()) |
| self.assertEqual(len(self.s), 0) |
| |
| def test_copy(self): |
| dup = self.s.copy() |
| self.assertEqual(self.s, dup) |
| self.assertNotEqual(id(self.s), id(dup)) |
| |
| def test_add(self): |
| self.s.add('Q') |
| self.assert_('Q' in self.s) |
| dup = self.s.copy() |
| self.s.add('Q') |
| self.assertEqual(self.s, dup) |
| self.assertRaises(TypeError, self.s.add, []) |
| |
| def test_remove(self): |
| self.s.remove('a') |
| self.assert_('a' not in self.s) |
| self.assertRaises(KeyError, self.s.remove, 'Q') |
| self.assertRaises(TypeError, self.s.remove, []) |
| s = self.thetype([frozenset(self.word)]) |
| self.assert_(self.thetype(self.word) in s) |
| s.remove(self.thetype(self.word)) |
| self.assert_(self.thetype(self.word) not in s) |
| self.assertRaises(KeyError, self.s.remove, self.thetype(self.word)) |
| |
| def test_discard(self): |
| self.s.discard('a') |
| self.assert_('a' not in self.s) |
| self.s.discard('Q') |
| self.assertRaises(TypeError, self.s.discard, []) |
| s = self.thetype([frozenset(self.word)]) |
| self.assert_(self.thetype(self.word) in s) |
| s.discard(self.thetype(self.word)) |
| self.assert_(self.thetype(self.word) not in s) |
| s.discard(self.thetype(self.word)) |
| |
| def test_pop(self): |
| for i in xrange(len(self.s)): |
| elem = self.s.pop() |
| self.assert_(elem not in self.s) |
| self.assertRaises(KeyError, self.s.pop) |
| |
| def test_update(self): |
| retval = self.s.update(self.otherword) |
| self.assertEqual(retval, None) |
| for c in (self.word + self.otherword): |
| self.assert_(c in self.s) |
| self.assertRaises(PassThru, self.s.update, check_pass_thru()) |
| self.assertRaises(TypeError, self.s.update, [[]]) |
| for p, q in (('cdc', 'abcd'), ('efgfe', 'abcefg'), ('ccb', 'abc'), ('ef', 'abcef')): |
| for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple: |
| s = self.thetype('abcba') |
| self.assertEqual(s.update(C(p)), None) |
| self.assertEqual(s, set(q)) |
| |
| def test_ior(self): |
| self.s |= set(self.otherword) |
| for c in (self.word + self.otherword): |
| self.assert_(c in self.s) |
| |
| def test_intersection_update(self): |
| retval = self.s.intersection_update(self.otherword) |
| self.assertEqual(retval, None) |
| for c in (self.word + self.otherword): |
| if c in self.otherword and c in self.word: |
| self.assert_(c in self.s) |
| else: |
| self.assert_(c not in self.s) |
| self.assertRaises(PassThru, self.s.intersection_update, check_pass_thru()) |
| self.assertRaises(TypeError, self.s.intersection_update, [[]]) |
| for p, q in (('cdc', 'c'), ('efgfe', ''), ('ccb', 'bc'), ('ef', '')): |
| for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple: |
| s = self.thetype('abcba') |
| self.assertEqual(s.intersection_update(C(p)), None) |
| self.assertEqual(s, set(q)) |
| |
| def test_iand(self): |
| self.s &= set(self.otherword) |
| for c in (self.word + self.otherword): |
| if c in self.otherword and c in self.word: |
| self.assert_(c in self.s) |
| else: |
| self.assert_(c not in self.s) |
| |
| def test_difference_update(self): |
| retval = self.s.difference_update(self.otherword) |
| self.assertEqual(retval, None) |
| for c in (self.word + self.otherword): |
| if c in self.word and c not in self.otherword: |
| self.assert_(c in self.s) |
| else: |
| self.assert_(c not in self.s) |
| self.assertRaises(PassThru, self.s.difference_update, check_pass_thru()) |
| self.assertRaises(TypeError, self.s.difference_update, [[]]) |
| self.assertRaises(TypeError, self.s.symmetric_difference_update, [[]]) |
| for p, q in (('cdc', 'ab'), ('efgfe', 'abc'), ('ccb', 'a'), ('ef', 'abc')): |
| for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple: |
| s = self.thetype('abcba') |
| self.assertEqual(s.difference_update(C(p)), None) |
| self.assertEqual(s, set(q)) |
| |
| def test_isub(self): |
| self.s -= set(self.otherword) |
| for c in (self.word + self.otherword): |
| if c in self.word and c not in self.otherword: |
| self.assert_(c in self.s) |
| else: |
| self.assert_(c not in self.s) |
| |
| def test_symmetric_difference_update(self): |
| retval = self.s.symmetric_difference_update(self.otherword) |
| self.assertEqual(retval, None) |
| for c in (self.word + self.otherword): |
| if (c in self.word) ^ (c in self.otherword): |
| self.assert_(c in self.s) |
| else: |
| self.assert_(c not in self.s) |
| self.assertRaises(PassThru, self.s.symmetric_difference_update, check_pass_thru()) |
| self.assertRaises(TypeError, self.s.symmetric_difference_update, [[]]) |
| for p, q in (('cdc', 'abd'), ('efgfe', 'abcefg'), ('ccb', 'a'), ('ef', 'abcef')): |
| for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple: |
| s = self.thetype('abcba') |
| self.assertEqual(s.symmetric_difference_update(C(p)), None) |
| self.assertEqual(s, set(q)) |
| |
| def test_ixor(self): |
| self.s ^= set(self.otherword) |
| for c in (self.word + self.otherword): |
| if (c in self.word) ^ (c in self.otherword): |
| self.assert_(c in self.s) |
| else: |
| self.assert_(c not in self.s) |
| |
| def test_weakref(self): |
| s = self.thetype('gallahad') |
| p = proxy(s) |
| self.assertEqual(str(p), str(s)) |
| s = None |
| self.assertRaises(ReferenceError, str, p) |
| |
| class SetSubclass(set): |
| pass |
| |
| class TestSetSubclass(TestSet): |
| thetype = SetSubclass |
| |
| class TestFrozenSet(TestJointOps): |
| thetype = frozenset |
| |
| def test_init(self): |
| s = self.thetype(self.word) |
| s.__init__(self.otherword) |
| self.assertEqual(s, set(self.word)) |
| |
| def test_constructor_identity(self): |
| s = self.thetype(range(3)) |
| t = self.thetype(s) |
| self.assertEqual(id(s), id(t)) |
| |
| def test_hash(self): |
| self.assertEqual(hash(self.thetype('abcdeb')), |
| hash(self.thetype('ebecda'))) |
| |
| def test_copy(self): |
| dup = self.s.copy() |
| self.assertEqual(id(self.s), id(dup)) |
| |
| def test_frozen_as_dictkey(self): |
| seq = range(10) + list('abcdefg') + ['apple'] |
| key1 = self.thetype(seq) |
| key2 = self.thetype(reversed(seq)) |
| self.assertEqual(key1, key2) |
| self.assertNotEqual(id(key1), id(key2)) |
| d = {} |
| d[key1] = 42 |
| self.assertEqual(d[key2], 42) |
| |
| def test_hash_caching(self): |
| f = self.thetype('abcdcda') |
| self.assertEqual(hash(f), hash(f)) |
| |
| def test_hash_effectiveness(self): |
| n = 13 |
| hashvalues = set() |
| addhashvalue = hashvalues.add |
| elemmasks = [(i+1, 1<<i) for i in range(n)] |
| for i in xrange(2**n): |
| addhashvalue(hash(frozenset([e for e, m in elemmasks if m&i]))) |
| self.assertEqual(len(hashvalues), 2**n) |
| |
| class FrozenSetSubclass(frozenset): |
| pass |
| |
| class TestFrozenSetSubclass(TestFrozenSet): |
| thetype = FrozenSetSubclass |
| |
| def test_constructor_identity(self): |
| s = self.thetype(range(3)) |
| t = self.thetype(s) |
| self.assertNotEqual(id(s), id(t)) |
| |
| def test_copy(self): |
| dup = self.s.copy() |
| self.assertNotEqual(id(self.s), id(dup)) |
| |
| def test_nested_empty_constructor(self): |
| s = self.thetype() |
| t = self.thetype(s) |
| self.assertEqual(s, t) |
| |
| # Tests taken from test_sets.py ============================================= |
| |
| empty_set = set() |
| |
| #============================================================================== |
| |
| 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) |