533 lines
21 KiB
Python
533 lines
21 KiB
Python
import operator
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import unittest
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from test import test_support
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class Seq1:
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def __init__(self, lst):
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self.lst = lst
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def __len__(self):
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return len(self.lst)
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def __getitem__(self, i):
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return self.lst[i]
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def __add__(self, other):
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return self.lst + other.lst
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def __mul__(self, other):
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return self.lst * other
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def __rmul__(self, other):
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return other * self.lst
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class Seq2(object):
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def __init__(self, lst):
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self.lst = lst
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def __len__(self):
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return len(self.lst)
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def __getitem__(self, i):
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return self.lst[i]
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def __add__(self, other):
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return self.lst + other.lst
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def __mul__(self, other):
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return self.lst * other
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def __rmul__(self, other):
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return other * self.lst
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class OperatorTestCase(unittest.TestCase):
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def test_lt(self):
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self.assertRaises(TypeError, operator.lt)
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self.assertRaises(TypeError, operator.lt, 1j, 2j)
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self.assertFalse(operator.lt(1, 0))
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self.assertFalse(operator.lt(1, 0.0))
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self.assertFalse(operator.lt(1, 1))
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self.assertFalse(operator.lt(1, 1.0))
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self.assertTrue(operator.lt(1, 2))
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self.assertTrue(operator.lt(1, 2.0))
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def test_le(self):
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self.assertRaises(TypeError, operator.le)
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self.assertRaises(TypeError, operator.le, 1j, 2j)
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self.assertFalse(operator.le(1, 0))
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self.assertFalse(operator.le(1, 0.0))
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self.assertTrue(operator.le(1, 1))
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self.assertTrue(operator.le(1, 1.0))
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self.assertTrue(operator.le(1, 2))
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self.assertTrue(operator.le(1, 2.0))
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def test_eq(self):
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class C(object):
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def __eq__(self, other):
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raise SyntaxError
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__hash__ = None # Silence Py3k warning
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self.assertRaises(TypeError, operator.eq)
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self.assertRaises(SyntaxError, operator.eq, C(), C())
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self.assertFalse(operator.eq(1, 0))
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self.assertFalse(operator.eq(1, 0.0))
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self.assertTrue(operator.eq(1, 1))
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self.assertTrue(operator.eq(1, 1.0))
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self.assertFalse(operator.eq(1, 2))
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self.assertFalse(operator.eq(1, 2.0))
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def test_ne(self):
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class C(object):
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def __ne__(self, other):
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raise SyntaxError
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self.assertRaises(TypeError, operator.ne)
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self.assertRaises(SyntaxError, operator.ne, C(), C())
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self.assertTrue(operator.ne(1, 0))
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self.assertTrue(operator.ne(1, 0.0))
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self.assertFalse(operator.ne(1, 1))
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self.assertFalse(operator.ne(1, 1.0))
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self.assertTrue(operator.ne(1, 2))
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self.assertTrue(operator.ne(1, 2.0))
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def test_ge(self):
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self.assertRaises(TypeError, operator.ge)
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self.assertRaises(TypeError, operator.ge, 1j, 2j)
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self.assertTrue(operator.ge(1, 0))
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self.assertTrue(operator.ge(1, 0.0))
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self.assertTrue(operator.ge(1, 1))
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self.assertTrue(operator.ge(1, 1.0))
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self.assertFalse(operator.ge(1, 2))
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self.assertFalse(operator.ge(1, 2.0))
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def test_gt(self):
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self.assertRaises(TypeError, operator.gt)
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self.assertRaises(TypeError, operator.gt, 1j, 2j)
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self.assertTrue(operator.gt(1, 0))
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self.assertTrue(operator.gt(1, 0.0))
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self.assertFalse(operator.gt(1, 1))
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self.assertFalse(operator.gt(1, 1.0))
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self.assertFalse(operator.gt(1, 2))
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self.assertFalse(operator.gt(1, 2.0))
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def test_abs(self):
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self.assertRaises(TypeError, operator.abs)
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self.assertRaises(TypeError, operator.abs, None)
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self.assertTrue(operator.abs(-1) == 1)
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self.assertTrue(operator.abs(1) == 1)
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def test_add(self):
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self.assertRaises(TypeError, operator.add)
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self.assertRaises(TypeError, operator.add, None, None)
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self.assertTrue(operator.add(3, 4) == 7)
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def test_bitwise_and(self):
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self.assertRaises(TypeError, operator.and_)
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self.assertRaises(TypeError, operator.and_, None, None)
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self.assertTrue(operator.and_(0xf, 0xa) == 0xa)
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def test_concat(self):
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self.assertRaises(TypeError, operator.concat)
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self.assertRaises(TypeError, operator.concat, None, None)
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self.assertTrue(operator.concat('py', 'thon') == 'python')
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self.assertTrue(operator.concat([1, 2], [3, 4]) == [1, 2, 3, 4])
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self.assertTrue(operator.concat(Seq1([5, 6]), Seq1([7])) == [5, 6, 7])
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self.assertTrue(operator.concat(Seq2([5, 6]), Seq2([7])) == [5, 6, 7])
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self.assertRaises(TypeError, operator.concat, 13, 29)
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def test_countOf(self):
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self.assertRaises(TypeError, operator.countOf)
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self.assertRaises(TypeError, operator.countOf, None, None)
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self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 3) == 1)
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self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 5) == 0)
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def test_delitem(self):
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a = [4, 3, 2, 1]
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self.assertRaises(TypeError, operator.delitem, a)
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self.assertRaises(TypeError, operator.delitem, a, None)
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self.assertTrue(operator.delitem(a, 1) is None)
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self.assertTrue(a == [4, 2, 1])
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def test_delslice(self):
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a = range(10)
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self.assertRaises(TypeError, operator.delslice, a)
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self.assertRaises(TypeError, operator.delslice, a, None, None)
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self.assertTrue(operator.delslice(a, 2, 8) is None)
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self.assertTrue(a == [0, 1, 8, 9])
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operator.delslice(a, 0, test_support.MAX_Py_ssize_t)
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self.assertTrue(a == [])
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def test_div(self):
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self.assertRaises(TypeError, operator.div, 5)
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self.assertRaises(TypeError, operator.div, None, None)
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self.assertTrue(operator.floordiv(5, 2) == 2)
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def test_floordiv(self):
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self.assertRaises(TypeError, operator.floordiv, 5)
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self.assertRaises(TypeError, operator.floordiv, None, None)
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self.assertTrue(operator.floordiv(5, 2) == 2)
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def test_truediv(self):
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self.assertRaises(TypeError, operator.truediv, 5)
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self.assertRaises(TypeError, operator.truediv, None, None)
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self.assertTrue(operator.truediv(5, 2) == 2.5)
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def test_getitem(self):
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a = range(10)
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self.assertRaises(TypeError, operator.getitem)
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self.assertRaises(TypeError, operator.getitem, a, None)
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self.assertTrue(operator.getitem(a, 2) == 2)
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def test_getslice(self):
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a = range(10)
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self.assertRaises(TypeError, operator.getslice)
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self.assertRaises(TypeError, operator.getslice, a, None, None)
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self.assertTrue(operator.getslice(a, 4, 6) == [4, 5])
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b = operator.getslice(a, 0, test_support.MAX_Py_ssize_t)
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self.assertTrue(b == a)
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def test_indexOf(self):
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self.assertRaises(TypeError, operator.indexOf)
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self.assertRaises(TypeError, operator.indexOf, None, None)
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self.assertTrue(operator.indexOf([4, 3, 2, 1], 3) == 1)
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self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0)
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def test_invert(self):
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self.assertRaises(TypeError, operator.invert)
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self.assertRaises(TypeError, operator.invert, None)
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self.assertTrue(operator.inv(4) == -5)
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def test_isCallable(self):
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self.assertRaises(TypeError, operator.isCallable)
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class C:
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pass
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def check(self, o, v):
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with test_support.check_py3k_warnings():
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self.assertEqual(operator.isCallable(o), v)
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self.assertEqual(callable(o), v)
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check(self, 4, 0)
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check(self, operator.isCallable, 1)
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check(self, C, 1)
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check(self, C(), 0)
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def test_isMappingType(self):
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self.assertRaises(TypeError, operator.isMappingType)
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self.assertFalse(operator.isMappingType(1))
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self.assertFalse(operator.isMappingType(operator.isMappingType))
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self.assertTrue(operator.isMappingType(operator.__dict__))
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self.assertTrue(operator.isMappingType({}))
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def test_isNumberType(self):
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self.assertRaises(TypeError, operator.isNumberType)
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self.assertTrue(operator.isNumberType(8))
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self.assertTrue(operator.isNumberType(8j))
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self.assertTrue(operator.isNumberType(8L))
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self.assertTrue(operator.isNumberType(8.3))
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self.assertFalse(operator.isNumberType(dir()))
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def test_isSequenceType(self):
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self.assertRaises(TypeError, operator.isSequenceType)
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self.assertTrue(operator.isSequenceType(dir()))
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self.assertTrue(operator.isSequenceType(()))
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self.assertTrue(operator.isSequenceType(xrange(10)))
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self.assertTrue(operator.isSequenceType('yeahbuddy'))
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self.assertFalse(operator.isSequenceType(3))
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class Dict(dict): pass
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self.assertFalse(operator.isSequenceType(Dict()))
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def test_lshift(self):
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self.assertRaises(TypeError, operator.lshift)
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self.assertRaises(TypeError, operator.lshift, None, 42)
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self.assertTrue(operator.lshift(5, 1) == 10)
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self.assertTrue(operator.lshift(5, 0) == 5)
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self.assertRaises(ValueError, operator.lshift, 2, -1)
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def test_mod(self):
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self.assertRaises(TypeError, operator.mod)
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self.assertRaises(TypeError, operator.mod, None, 42)
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self.assertTrue(operator.mod(5, 2) == 1)
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def test_mul(self):
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self.assertRaises(TypeError, operator.mul)
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self.assertRaises(TypeError, operator.mul, None, None)
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self.assertTrue(operator.mul(5, 2) == 10)
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def test_neg(self):
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self.assertRaises(TypeError, operator.neg)
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self.assertRaises(TypeError, operator.neg, None)
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self.assertTrue(operator.neg(5) == -5)
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self.assertTrue(operator.neg(-5) == 5)
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self.assertTrue(operator.neg(0) == 0)
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self.assertTrue(operator.neg(-0) == 0)
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def test_bitwise_or(self):
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self.assertRaises(TypeError, operator.or_)
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self.assertRaises(TypeError, operator.or_, None, None)
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self.assertTrue(operator.or_(0xa, 0x5) == 0xf)
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def test_pos(self):
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self.assertRaises(TypeError, operator.pos)
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self.assertRaises(TypeError, operator.pos, None)
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self.assertTrue(operator.pos(5) == 5)
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self.assertTrue(operator.pos(-5) == -5)
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self.assertTrue(operator.pos(0) == 0)
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self.assertTrue(operator.pos(-0) == 0)
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def test_pow(self):
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self.assertRaises(TypeError, operator.pow)
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self.assertRaises(TypeError, operator.pow, None, None)
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self.assertTrue(operator.pow(3,5) == 3**5)
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self.assertTrue(operator.__pow__(3,5) == 3**5)
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self.assertRaises(TypeError, operator.pow, 1)
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self.assertRaises(TypeError, operator.pow, 1, 2, 3)
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def test_repeat(self):
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a = range(3)
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self.assertRaises(TypeError, operator.repeat)
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self.assertRaises(TypeError, operator.repeat, a, None)
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self.assertTrue(operator.repeat(a, 2) == a+a)
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self.assertTrue(operator.repeat(a, 1) == a)
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self.assertTrue(operator.repeat(a, 0) == [])
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a = (1, 2, 3)
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self.assertTrue(operator.repeat(a, 2) == a+a)
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self.assertTrue(operator.repeat(a, 1) == a)
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self.assertTrue(operator.repeat(a, 0) == ())
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a = '123'
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self.assertTrue(operator.repeat(a, 2) == a+a)
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self.assertTrue(operator.repeat(a, 1) == a)
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self.assertTrue(operator.repeat(a, 0) == '')
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a = Seq1([4, 5, 6])
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self.assertTrue(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6])
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self.assertTrue(operator.repeat(a, 1) == [4, 5, 6])
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self.assertTrue(operator.repeat(a, 0) == [])
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a = Seq2([4, 5, 6])
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self.assertTrue(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6])
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self.assertTrue(operator.repeat(a, 1) == [4, 5, 6])
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self.assertTrue(operator.repeat(a, 0) == [])
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self.assertRaises(TypeError, operator.repeat, 6, 7)
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def test_rshift(self):
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self.assertRaises(TypeError, operator.rshift)
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self.assertRaises(TypeError, operator.rshift, None, 42)
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self.assertTrue(operator.rshift(5, 1) == 2)
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self.assertTrue(operator.rshift(5, 0) == 5)
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self.assertRaises(ValueError, operator.rshift, 2, -1)
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def test_contains(self):
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self.assertRaises(TypeError, operator.contains)
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self.assertRaises(TypeError, operator.contains, None, None)
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self.assertTrue(operator.contains(range(4), 2))
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self.assertFalse(operator.contains(range(4), 5))
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with test_support.check_py3k_warnings():
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self.assertTrue(operator.sequenceIncludes(range(4), 2))
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self.assertFalse(operator.sequenceIncludes(range(4), 5))
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def test_setitem(self):
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a = range(3)
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self.assertRaises(TypeError, operator.setitem, a)
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self.assertRaises(TypeError, operator.setitem, a, None, None)
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self.assertTrue(operator.setitem(a, 0, 2) is None)
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self.assertTrue(a == [2, 1, 2])
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self.assertRaises(IndexError, operator.setitem, a, 4, 2)
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def test_setslice(self):
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a = range(4)
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self.assertRaises(TypeError, operator.setslice, a)
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self.assertRaises(TypeError, operator.setslice, a, None, None, None)
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self.assertTrue(operator.setslice(a, 1, 3, [2, 1]) is None)
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self.assertTrue(a == [0, 2, 1, 3])
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operator.setslice(a, 0, test_support.MAX_Py_ssize_t, [])
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self.assertTrue(a == [])
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def test_sub(self):
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self.assertRaises(TypeError, operator.sub)
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self.assertRaises(TypeError, operator.sub, None, None)
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self.assertTrue(operator.sub(5, 2) == 3)
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def test_truth(self):
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class C(object):
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def __nonzero__(self):
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raise SyntaxError
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self.assertRaises(TypeError, operator.truth)
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self.assertRaises(SyntaxError, operator.truth, C())
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self.assertTrue(operator.truth(5))
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self.assertTrue(operator.truth([0]))
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self.assertFalse(operator.truth(0))
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self.assertFalse(operator.truth([]))
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def test_bitwise_xor(self):
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self.assertRaises(TypeError, operator.xor)
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self.assertRaises(TypeError, operator.xor, None, None)
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self.assertTrue(operator.xor(0xb, 0xc) == 0x7)
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def test_is(self):
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a = b = 'xyzpdq'
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c = a[:3] + b[3:]
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self.assertRaises(TypeError, operator.is_)
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self.assertTrue(operator.is_(a, b))
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self.assertFalse(operator.is_(a,c))
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def test_is_not(self):
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a = b = 'xyzpdq'
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c = a[:3] + b[3:]
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self.assertRaises(TypeError, operator.is_not)
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self.assertFalse(operator.is_not(a, b))
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self.assertTrue(operator.is_not(a,c))
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def test_attrgetter(self):
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class A:
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pass
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a = A()
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a.name = 'arthur'
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f = operator.attrgetter('name')
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self.assertEqual(f(a), 'arthur')
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f = operator.attrgetter('rank')
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self.assertRaises(AttributeError, f, a)
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f = operator.attrgetter(2)
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self.assertRaises(TypeError, f, a)
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self.assertRaises(TypeError, operator.attrgetter)
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# multiple gets
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record = A()
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record.x = 'X'
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record.y = 'Y'
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record.z = 'Z'
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self.assertEqual(operator.attrgetter('x','z','y')(record), ('X', 'Z', 'Y'))
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self.assertRaises(TypeError, operator.attrgetter('x', (), 'y'), record)
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class C(object):
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def __getattr__(self, name):
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raise SyntaxError
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self.assertRaises(SyntaxError, operator.attrgetter('foo'), C())
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# recursive gets
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a = A()
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a.name = 'arthur'
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a.child = A()
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a.child.name = 'thomas'
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f = operator.attrgetter('child.name')
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self.assertEqual(f(a), 'thomas')
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self.assertRaises(AttributeError, f, a.child)
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f = operator.attrgetter('name', 'child.name')
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self.assertEqual(f(a), ('arthur', 'thomas'))
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f = operator.attrgetter('name', 'child.name', 'child.child.name')
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self.assertRaises(AttributeError, f, a)
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a.child.child = A()
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a.child.child.name = 'johnson'
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f = operator.attrgetter('child.child.name')
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self.assertEqual(f(a), 'johnson')
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f = operator.attrgetter('name', 'child.name', 'child.child.name')
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self.assertEqual(f(a), ('arthur', 'thomas', 'johnson'))
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def test_itemgetter(self):
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a = 'ABCDE'
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f = operator.itemgetter(2)
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self.assertEqual(f(a), 'C')
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f = operator.itemgetter(10)
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self.assertRaises(IndexError, f, a)
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class C(object):
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def __getitem__(self, name):
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raise SyntaxError
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self.assertRaises(SyntaxError, operator.itemgetter(42), C())
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f = operator.itemgetter('name')
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self.assertRaises(TypeError, f, a)
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self.assertRaises(TypeError, operator.itemgetter)
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d = dict(key='val')
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f = operator.itemgetter('key')
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self.assertEqual(f(d), 'val')
|
|
f = operator.itemgetter('nonkey')
|
|
self.assertRaises(KeyError, f, d)
|
|
|
|
# example used in the docs
|
|
inventory = [('apple', 3), ('banana', 2), ('pear', 5), ('orange', 1)]
|
|
getcount = operator.itemgetter(1)
|
|
self.assertEqual(map(getcount, inventory), [3, 2, 5, 1])
|
|
self.assertEqual(sorted(inventory, key=getcount),
|
|
[('orange', 1), ('banana', 2), ('apple', 3), ('pear', 5)])
|
|
|
|
# multiple gets
|
|
data = map(str, range(20))
|
|
self.assertEqual(operator.itemgetter(2,10,5)(data), ('2', '10', '5'))
|
|
self.assertRaises(TypeError, operator.itemgetter(2, 'x', 5), data)
|
|
|
|
def test_methodcaller(self):
|
|
self.assertRaises(TypeError, operator.methodcaller)
|
|
class A:
|
|
def foo(self, *args, **kwds):
|
|
return args[0] + args[1]
|
|
def bar(self, f=42):
|
|
return f
|
|
a = A()
|
|
f = operator.methodcaller('foo')
|
|
self.assertRaises(IndexError, f, a)
|
|
f = operator.methodcaller('foo', 1, 2)
|
|
self.assertEqual(f(a), 3)
|
|
f = operator.methodcaller('bar')
|
|
self.assertEqual(f(a), 42)
|
|
self.assertRaises(TypeError, f, a, a)
|
|
f = operator.methodcaller('bar', f=5)
|
|
self.assertEqual(f(a), 5)
|
|
|
|
def test_inplace(self):
|
|
class C(object):
|
|
def __iadd__ (self, other): return "iadd"
|
|
def __iand__ (self, other): return "iand"
|
|
def __idiv__ (self, other): return "idiv"
|
|
def __ifloordiv__(self, other): return "ifloordiv"
|
|
def __ilshift__ (self, other): return "ilshift"
|
|
def __imod__ (self, other): return "imod"
|
|
def __imul__ (self, other): return "imul"
|
|
def __ior__ (self, other): return "ior"
|
|
def __ipow__ (self, other): return "ipow"
|
|
def __irshift__ (self, other): return "irshift"
|
|
def __isub__ (self, other): return "isub"
|
|
def __itruediv__ (self, other): return "itruediv"
|
|
def __ixor__ (self, other): return "ixor"
|
|
def __getitem__(self, other): return 5 # so that C is a sequence
|
|
c = C()
|
|
self.assertEqual(operator.iadd (c, 5), "iadd")
|
|
self.assertEqual(operator.iand (c, 5), "iand")
|
|
self.assertEqual(operator.idiv (c, 5), "idiv")
|
|
self.assertEqual(operator.ifloordiv(c, 5), "ifloordiv")
|
|
self.assertEqual(operator.ilshift (c, 5), "ilshift")
|
|
self.assertEqual(operator.imod (c, 5), "imod")
|
|
self.assertEqual(operator.imul (c, 5), "imul")
|
|
self.assertEqual(operator.ior (c, 5), "ior")
|
|
self.assertEqual(operator.ipow (c, 5), "ipow")
|
|
self.assertEqual(operator.irshift (c, 5), "irshift")
|
|
self.assertEqual(operator.isub (c, 5), "isub")
|
|
self.assertEqual(operator.itruediv (c, 5), "itruediv")
|
|
self.assertEqual(operator.ixor (c, 5), "ixor")
|
|
self.assertEqual(operator.iconcat (c, c), "iadd")
|
|
self.assertEqual(operator.irepeat (c, 5), "imul")
|
|
self.assertEqual(operator.__iadd__ (c, 5), "iadd")
|
|
self.assertEqual(operator.__iand__ (c, 5), "iand")
|
|
self.assertEqual(operator.__idiv__ (c, 5), "idiv")
|
|
self.assertEqual(operator.__ifloordiv__(c, 5), "ifloordiv")
|
|
self.assertEqual(operator.__ilshift__ (c, 5), "ilshift")
|
|
self.assertEqual(operator.__imod__ (c, 5), "imod")
|
|
self.assertEqual(operator.__imul__ (c, 5), "imul")
|
|
self.assertEqual(operator.__ior__ (c, 5), "ior")
|
|
self.assertEqual(operator.__ipow__ (c, 5), "ipow")
|
|
self.assertEqual(operator.__irshift__ (c, 5), "irshift")
|
|
self.assertEqual(operator.__isub__ (c, 5), "isub")
|
|
self.assertEqual(operator.__itruediv__ (c, 5), "itruediv")
|
|
self.assertEqual(operator.__ixor__ (c, 5), "ixor")
|
|
self.assertEqual(operator.__iconcat__ (c, c), "iadd")
|
|
self.assertEqual(operator.__irepeat__ (c, 5), "imul")
|
|
|
|
def test_main(verbose=None):
|
|
import sys
|
|
test_classes = (
|
|
OperatorTestCase,
|
|
)
|
|
|
|
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)
|