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856 lines
27 KiB
Python
856 lines
27 KiB
Python
#!/usr/bin/env python
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import unittest, operator, copy, pickle, random
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from sets import Set, ImmutableSet
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from test import test_support
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empty_set = Set()
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#==============================================================================
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class TestBasicOps(unittest.TestCase):
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def test_repr(self):
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if self.repr is not None:
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self.assertEqual(repr(self.set), self.repr)
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def test_length(self):
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self.assertEqual(len(self.set), self.length)
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def test_self_equality(self):
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self.assertEqual(self.set, self.set)
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def test_equivalent_equality(self):
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self.assertEqual(self.set, self.dup)
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def test_copy(self):
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self.assertEqual(self.set.copy(), self.dup)
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def test_self_union(self):
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result = self.set | self.set
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self.assertEqual(result, self.dup)
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def test_empty_union(self):
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result = self.set | empty_set
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self.assertEqual(result, self.dup)
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def test_union_empty(self):
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result = empty_set | self.set
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self.assertEqual(result, self.dup)
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def test_self_intersection(self):
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result = self.set & self.set
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self.assertEqual(result, self.dup)
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def test_empty_intersection(self):
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result = self.set & empty_set
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self.assertEqual(result, empty_set)
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def test_intersection_empty(self):
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result = empty_set & self.set
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self.assertEqual(result, empty_set)
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def test_self_symmetric_difference(self):
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result = self.set ^ self.set
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self.assertEqual(result, empty_set)
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def checkempty_symmetric_difference(self):
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result = self.set ^ empty_set
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self.assertEqual(result, self.set)
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def test_self_difference(self):
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result = self.set - self.set
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self.assertEqual(result, empty_set)
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def test_empty_difference(self):
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result = self.set - empty_set
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self.assertEqual(result, self.dup)
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def test_empty_difference_rev(self):
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result = empty_set - self.set
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self.assertEqual(result, empty_set)
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def test_iteration(self):
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for v in self.set:
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self.assert_(v in self.values)
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def test_pickling(self):
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p = pickle.dumps(self.set)
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copy = pickle.loads(p)
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self.assertEqual(self.set, copy,
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"%s != %s" % (self.set, copy))
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#------------------------------------------------------------------------------
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class TestBasicOpsEmpty(TestBasicOps):
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def setUp(self):
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self.case = "empty set"
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self.values = []
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self.set = Set(self.values)
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self.dup = Set(self.values)
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self.length = 0
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self.repr = "Set([])"
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#------------------------------------------------------------------------------
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class TestBasicOpsSingleton(TestBasicOps):
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def setUp(self):
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self.case = "unit set (number)"
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self.values = [3]
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self.set = Set(self.values)
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self.dup = Set(self.values)
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self.length = 1
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self.repr = "Set([3])"
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def test_in(self):
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self.failUnless(3 in self.set)
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def test_not_in(self):
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self.failUnless(2 not in self.set)
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#------------------------------------------------------------------------------
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class TestBasicOpsTuple(TestBasicOps):
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def setUp(self):
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self.case = "unit set (tuple)"
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self.values = [(0, "zero")]
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self.set = Set(self.values)
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self.dup = Set(self.values)
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self.length = 1
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self.repr = "Set([(0, 'zero')])"
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def test_in(self):
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self.failUnless((0, "zero") in self.set)
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def test_not_in(self):
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self.failUnless(9 not in self.set)
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#------------------------------------------------------------------------------
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class TestBasicOpsTriple(TestBasicOps):
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def setUp(self):
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self.case = "triple set"
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self.values = [0, "zero", operator.add]
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self.set = Set(self.values)
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self.dup = Set(self.values)
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self.length = 3
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self.repr = None
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#==============================================================================
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def baditer():
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raise TypeError
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yield True
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def gooditer():
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yield True
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class TestExceptionPropagation(unittest.TestCase):
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"""SF 628246: Set constructor should not trap iterator TypeErrors"""
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def test_instanceWithException(self):
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self.assertRaises(TypeError, Set, baditer())
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def test_instancesWithoutException(self):
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# All of these iterables should load without exception.
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Set([1,2,3])
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Set((1,2,3))
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Set({'one':1, 'two':2, 'three':3})
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Set(xrange(3))
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Set('abc')
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Set(gooditer())
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#==============================================================================
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class TestSetOfSets(unittest.TestCase):
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def test_constructor(self):
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inner = Set([1])
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outer = Set([inner])
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element = outer.pop()
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self.assertEqual(type(element), ImmutableSet)
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outer.add(inner) # Rebuild set of sets with .add method
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outer.remove(inner)
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self.assertEqual(outer, Set()) # Verify that remove worked
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outer.discard(inner) # Absence of KeyError indicates working fine
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#==============================================================================
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class TestBinaryOps(unittest.TestCase):
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def setUp(self):
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self.set = Set((2, 4, 6))
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def test_eq(self): # SF bug 643115
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self.assertEqual(self.set, Set({2:1,4:3,6:5}))
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def test_union_subset(self):
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result = self.set | Set([2])
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self.assertEqual(result, Set((2, 4, 6)))
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def test_union_superset(self):
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result = self.set | Set([2, 4, 6, 8])
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self.assertEqual(result, Set([2, 4, 6, 8]))
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def test_union_overlap(self):
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result = self.set | Set([3, 4, 5])
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self.assertEqual(result, Set([2, 3, 4, 5, 6]))
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def test_union_non_overlap(self):
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result = self.set | Set([8])
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self.assertEqual(result, Set([2, 4, 6, 8]))
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def test_intersection_subset(self):
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result = self.set & Set((2, 4))
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self.assertEqual(result, Set((2, 4)))
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def test_intersection_superset(self):
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result = self.set & Set([2, 4, 6, 8])
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self.assertEqual(result, Set([2, 4, 6]))
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def test_intersection_overlap(self):
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result = self.set & Set([3, 4, 5])
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self.assertEqual(result, Set([4]))
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def test_intersection_non_overlap(self):
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result = self.set & Set([8])
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self.assertEqual(result, empty_set)
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def test_sym_difference_subset(self):
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result = self.set ^ Set((2, 4))
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self.assertEqual(result, Set([6]))
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def test_sym_difference_superset(self):
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result = self.set ^ Set((2, 4, 6, 8))
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self.assertEqual(result, Set([8]))
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def test_sym_difference_overlap(self):
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result = self.set ^ Set((3, 4, 5))
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self.assertEqual(result, Set([2, 3, 5, 6]))
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def test_sym_difference_non_overlap(self):
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result = self.set ^ Set([8])
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self.assertEqual(result, Set([2, 4, 6, 8]))
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def test_cmp(self):
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a, b = Set('a'), Set('b')
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self.assertRaises(TypeError, cmp, a, b)
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# You can view this as a buglet: cmp(a, a) does not raise TypeError,
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# because __eq__ is tried before __cmp__, and a.__eq__(a) returns True,
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# which Python thinks is good enough to synthesize a cmp() result
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# without calling __cmp__.
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self.assertEqual(cmp(a, a), 0)
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self.assertRaises(TypeError, cmp, a, 12)
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self.assertRaises(TypeError, cmp, "abc", a)
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def test_inplace_on_self(self):
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t = self.set.copy()
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t |= t
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self.assertEqual(t, self.set)
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t &= t
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self.assertEqual(t, self.set)
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t -= t
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self.assertEqual(len(t), 0)
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t = self.set.copy()
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t ^= t
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self.assertEqual(len(t), 0)
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#==============================================================================
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class TestUpdateOps(unittest.TestCase):
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def setUp(self):
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self.set = Set((2, 4, 6))
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def test_union_subset(self):
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self.set |= Set([2])
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self.assertEqual(self.set, Set((2, 4, 6)))
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def test_union_superset(self):
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self.set |= Set([2, 4, 6, 8])
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self.assertEqual(self.set, Set([2, 4, 6, 8]))
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def test_union_overlap(self):
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self.set |= Set([3, 4, 5])
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self.assertEqual(self.set, Set([2, 3, 4, 5, 6]))
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def test_union_non_overlap(self):
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self.set |= Set([8])
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self.assertEqual(self.set, Set([2, 4, 6, 8]))
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def test_union_method_call(self):
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self.set.union_update(Set([3, 4, 5]))
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self.assertEqual(self.set, Set([2, 3, 4, 5, 6]))
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def test_intersection_subset(self):
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self.set &= Set((2, 4))
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self.assertEqual(self.set, Set((2, 4)))
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def test_intersection_superset(self):
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self.set &= Set([2, 4, 6, 8])
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self.assertEqual(self.set, Set([2, 4, 6]))
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def test_intersection_overlap(self):
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self.set &= Set([3, 4, 5])
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self.assertEqual(self.set, Set([4]))
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def test_intersection_non_overlap(self):
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self.set &= Set([8])
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self.assertEqual(self.set, empty_set)
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def test_intersection_method_call(self):
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self.set.intersection_update(Set([3, 4, 5]))
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self.assertEqual(self.set, Set([4]))
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def test_sym_difference_subset(self):
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self.set ^= Set((2, 4))
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self.assertEqual(self.set, Set([6]))
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def test_sym_difference_superset(self):
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self.set ^= Set((2, 4, 6, 8))
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self.assertEqual(self.set, Set([8]))
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def test_sym_difference_overlap(self):
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self.set ^= Set((3, 4, 5))
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self.assertEqual(self.set, Set([2, 3, 5, 6]))
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def test_sym_difference_non_overlap(self):
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self.set ^= Set([8])
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self.assertEqual(self.set, Set([2, 4, 6, 8]))
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def test_sym_difference_method_call(self):
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self.set.symmetric_difference_update(Set([3, 4, 5]))
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self.assertEqual(self.set, Set([2, 3, 5, 6]))
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def test_difference_subset(self):
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self.set -= Set((2, 4))
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self.assertEqual(self.set, Set([6]))
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def test_difference_superset(self):
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self.set -= Set((2, 4, 6, 8))
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self.assertEqual(self.set, Set([]))
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def test_difference_overlap(self):
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self.set -= Set((3, 4, 5))
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self.assertEqual(self.set, Set([2, 6]))
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def test_difference_non_overlap(self):
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self.set -= Set([8])
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self.assertEqual(self.set, Set([2, 4, 6]))
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def test_difference_method_call(self):
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self.set.difference_update(Set([3, 4, 5]))
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self.assertEqual(self.set, Set([2, 6]))
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#==============================================================================
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class TestMutate(unittest.TestCase):
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def setUp(self):
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self.values = ["a", "b", "c"]
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self.set = Set(self.values)
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def test_add_present(self):
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self.set.add("c")
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self.assertEqual(self.set, Set("abc"))
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def test_add_absent(self):
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self.set.add("d")
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self.assertEqual(self.set, Set("abcd"))
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def test_add_until_full(self):
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tmp = Set()
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expected_len = 0
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for v in self.values:
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tmp.add(v)
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expected_len += 1
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self.assertEqual(len(tmp), expected_len)
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self.assertEqual(tmp, self.set)
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def test_remove_present(self):
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self.set.remove("b")
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self.assertEqual(self.set, Set("ac"))
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def test_remove_absent(self):
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try:
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self.set.remove("d")
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self.fail("Removing missing element should have raised LookupError")
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except LookupError:
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pass
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def test_remove_until_empty(self):
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expected_len = len(self.set)
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for v in self.values:
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self.set.remove(v)
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expected_len -= 1
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self.assertEqual(len(self.set), expected_len)
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def test_discard_present(self):
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self.set.discard("c")
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self.assertEqual(self.set, Set("ab"))
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def test_discard_absent(self):
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self.set.discard("d")
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self.assertEqual(self.set, Set("abc"))
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def test_clear(self):
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self.set.clear()
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self.assertEqual(len(self.set), 0)
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def test_pop(self):
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popped = {}
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while self.set:
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popped[self.set.pop()] = None
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self.assertEqual(len(popped), len(self.values))
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for v in self.values:
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self.failUnless(v in popped)
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def test_update_empty_tuple(self):
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self.set.union_update(())
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self.assertEqual(self.set, Set(self.values))
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def test_update_unit_tuple_overlap(self):
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self.set.union_update(("a",))
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self.assertEqual(self.set, Set(self.values))
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def test_update_unit_tuple_non_overlap(self):
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self.set.union_update(("a", "z"))
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self.assertEqual(self.set, Set(self.values + ["z"]))
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#==============================================================================
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class TestSubsets(unittest.TestCase):
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case2method = {"<=": "issubset",
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">=": "issuperset",
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}
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reverse = {"==": "==",
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"!=": "!=",
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"<": ">",
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">": "<",
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"<=": ">=",
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">=": "<=",
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}
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def test_issubset(self):
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x = self.left
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y = self.right
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for case in "!=", "==", "<", "<=", ">", ">=":
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expected = case in self.cases
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# Test the binary infix spelling.
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result = eval("x" + case + "y", locals())
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self.assertEqual(result, expected)
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# Test the "friendly" method-name spelling, if one exists.
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if case in TestSubsets.case2method:
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method = getattr(x, TestSubsets.case2method[case])
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result = method(y)
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self.assertEqual(result, expected)
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# Now do the same for the operands reversed.
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rcase = TestSubsets.reverse[case]
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result = eval("y" + rcase + "x", locals())
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self.assertEqual(result, expected)
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if rcase in TestSubsets.case2method:
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method = getattr(y, TestSubsets.case2method[rcase])
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result = method(x)
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self.assertEqual(result, expected)
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#------------------------------------------------------------------------------
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class TestSubsetEqualEmpty(TestSubsets):
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left = Set()
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right = Set()
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name = "both empty"
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cases = "==", "<=", ">="
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#------------------------------------------------------------------------------
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class TestSubsetEqualNonEmpty(TestSubsets):
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left = Set([1, 2])
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right = Set([1, 2])
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name = "equal pair"
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cases = "==", "<=", ">="
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#------------------------------------------------------------------------------
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class TestSubsetEmptyNonEmpty(TestSubsets):
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left = Set()
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right = Set([1, 2])
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name = "one empty, one non-empty"
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cases = "!=", "<", "<="
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#------------------------------------------------------------------------------
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class TestSubsetPartial(TestSubsets):
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left = Set([1])
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right = Set([1, 2])
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name = "one a non-empty proper subset of other"
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cases = "!=", "<", "<="
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#------------------------------------------------------------------------------
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class TestSubsetNonOverlap(TestSubsets):
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left = Set([1])
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right = Set([2])
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name = "neither empty, neither contains"
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cases = "!="
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#==============================================================================
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class TestOnlySetsInBinaryOps(unittest.TestCase):
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def test_eq_ne(self):
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# Unlike the others, this is testing that == and != *are* allowed.
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self.assertEqual(self.other == self.set, False)
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self.assertEqual(self.set == self.other, False)
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self.assertEqual(self.other != self.set, True)
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self.assertEqual(self.set != self.other, True)
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def test_ge_gt_le_lt(self):
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self.assertRaises(TypeError, lambda: self.set < self.other)
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self.assertRaises(TypeError, lambda: self.set <= self.other)
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self.assertRaises(TypeError, lambda: self.set > self.other)
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self.assertRaises(TypeError, lambda: self.set >= self.other)
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self.assertRaises(TypeError, lambda: self.other < self.set)
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self.assertRaises(TypeError, lambda: self.other <= self.set)
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self.assertRaises(TypeError, lambda: self.other > self.set)
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self.assertRaises(TypeError, lambda: self.other >= self.set)
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def test_union_update_operator(self):
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try:
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self.set |= self.other
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except TypeError:
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pass
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else:
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self.fail("expected TypeError")
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def test_union_update(self):
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if self.otherIsIterable:
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self.set.union_update(self.other)
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|
else:
|
|
self.assertRaises(TypeError, self.set.union_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 TestOnlySetsofSets(TestOnlySetsInBinaryOps):
|
|
def setUp(self):
|
|
self.set = Set((1, 2, 3))
|
|
self.other = [Set('ab'), ImmutableSet('cd')]
|
|
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([random.randrange(100) for i in xrange(50)])
|
|
self.b = Set([random.randrange(100) for i in xrange(50)])
|
|
|
|
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_reflexsive_relations(self):
|
|
a, zero = self.a, Set()
|
|
self.assertEqual(a ^ a, zero)
|
|
self.assertEqual(a - a, zero)
|
|
self.assertEqual(a | a, a)
|
|
self.assertEqual(a & a, a)
|
|
self.assert_(a <= a)
|
|
self.assert_(a >= a)
|
|
self.assert_(a == 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 do not 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)
|
|
|
|
def test_cardinality_relations(self):
|
|
a, b = self.a, self.b
|
|
self.assertEqual(len(a), len(a-b) + len(a&b))
|
|
self.assertEqual(len(b), len(b-a) + len(a&b))
|
|
self.assertEqual(len(a^b), len(a-b) + len(b-a))
|
|
self.assertEqual(len(a|b), len(a-b) + len(a&b) + len(b-a))
|
|
self.assertEqual(len(a^b) + len(a&b), len(a|b))
|
|
|
|
#==============================================================================
|
|
|
|
libreftest = """
|
|
Example from the Library Reference: Doc/lib/libsets.tex
|
|
|
|
>>> from sets import Set as Base # override _repr to get sorted output
|
|
>>> class Set(Base):
|
|
... def _repr(self):
|
|
... return Base._repr(self, sorted=True)
|
|
>>> engineers = Set(['John', 'Jane', 'Jack', 'Janice'])
|
|
>>> programmers = Set(['Jack', 'Sam', 'Susan', 'Janice'])
|
|
>>> managers = Set(['Jane', 'Jack', 'Susan', 'Zack'])
|
|
>>> employees = engineers | programmers | managers # union
|
|
>>> engineering_management = engineers & managers # intersection
|
|
>>> fulltime_management = managers - engineers - programmers # difference
|
|
>>> engineers.add('Marvin')
|
|
>>> print engineers
|
|
Set(['Jack', 'Jane', 'Janice', 'John', 'Marvin'])
|
|
>>> employees.issuperset(engineers) # superset test
|
|
False
|
|
>>> employees.union_update(engineers) # update from another set
|
|
>>> employees.issuperset(engineers)
|
|
True
|
|
>>> for group in [engineers, programmers, managers, employees]:
|
|
... group.discard('Susan') # unconditionally remove element
|
|
... print group
|
|
...
|
|
Set(['Jack', 'Jane', 'Janice', 'John', 'Marvin'])
|
|
Set(['Jack', 'Janice', 'Sam'])
|
|
Set(['Jack', 'Jane', 'Zack'])
|
|
Set(['Jack', 'Jane', 'Janice', 'John', 'Marvin', 'Sam', 'Zack'])
|
|
"""
|
|
|
|
#==============================================================================
|
|
|
|
__test__ = {'libreftest' : libreftest}
|
|
|
|
def test_main(verbose=None):
|
|
import doctest
|
|
from test import test_sets
|
|
test_support.run_unittest(
|
|
TestSetOfSets,
|
|
TestExceptionPropagation,
|
|
TestBasicOpsEmpty,
|
|
TestBasicOpsSingleton,
|
|
TestBasicOpsTuple,
|
|
TestBasicOpsTriple,
|
|
TestBinaryOps,
|
|
TestUpdateOps,
|
|
TestMutate,
|
|
TestSubsetEqualEmpty,
|
|
TestSubsetEqualNonEmpty,
|
|
TestSubsetEmptyNonEmpty,
|
|
TestSubsetPartial,
|
|
TestSubsetNonOverlap,
|
|
TestOnlySetsNumeric,
|
|
TestOnlySetsDict,
|
|
TestOnlySetsOperator,
|
|
TestOnlySetsTuple,
|
|
TestOnlySetsString,
|
|
TestOnlySetsGenerator,
|
|
TestOnlySetsofSets,
|
|
TestCopyingEmpty,
|
|
TestCopyingSingleton,
|
|
TestCopyingTriple,
|
|
TestCopyingTuple,
|
|
TestCopyingNested,
|
|
TestIdentities,
|
|
doctest.DocTestSuite(test_sets),
|
|
)
|
|
|
|
if __name__ == "__main__":
|
|
test_main(verbose=True)
|