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import operator
import unittest
from test import test_support
class OperatorTestCase(unittest.TestCase):
def test_lt(self):
self.failIf(operator.lt(1, 0))
self.failIf(operator.lt(1, 0.0))
self.failIf(operator.lt(1, 1))
self.failIf(operator.lt(1, 1.0))
self.failUnless(operator.lt(1, 2))
self.failUnless(operator.lt(1, 2.0))
def test_le(self):
self.failIf(operator.le(1, 0))
self.failIf(operator.le(1, 0.0))
self.failUnless(operator.le(1, 1))
self.failUnless(operator.le(1, 1.0))
self.failUnless(operator.le(1, 2))
self.failUnless(operator.le(1, 2.0))
def test_eq(self):
self.failIf(operator.eq(1, 0))
self.failIf(operator.eq(1, 0.0))
self.failUnless(operator.eq(1, 1))
self.failUnless(operator.eq(1, 1.0))
self.failIf(operator.eq(1, 2))
self.failIf(operator.eq(1, 2.0))
def test_ne(self):
self.failUnless(operator.ne(1, 0))
self.failUnless(operator.ne(1, 0.0))
self.failIf(operator.ne(1, 1))
self.failIf(operator.ne(1, 1.0))
self.failUnless(operator.ne(1, 2))
self.failUnless(operator.ne(1, 2.0))
def test_ge(self):
self.failUnless(operator.ge(1, 0))
self.failUnless(operator.ge(1, 0.0))
self.failUnless(operator.ge(1, 1))
self.failUnless(operator.ge(1, 1.0))
self.failIf(operator.ge(1, 2))
self.failIf(operator.ge(1, 2.0))
def test_gt(self):
self.failUnless(operator.gt(1, 0))
self.failUnless(operator.gt(1, 0.0))
self.failIf(operator.gt(1, 1))
self.failIf(operator.gt(1, 1.0))
self.failIf(operator.gt(1, 2))
self.failIf(operator.gt(1, 2.0))
def test_abs(self):
self.failUnless(operator.abs(-1) == 1)
self.failUnless(operator.abs(1) == 1)
def test_add(self):
self.failUnless(operator.add(3, 4) == 7)
def test_bitwise_and(self):
self.failUnless(operator.and_(0xf, 0xa) == 0xa)
def test_concat(self):
self.failUnless(operator.concat('py', 'thon') == 'python')
self.failUnless(operator.concat([1, 2], [3, 4]) == [1, 2, 3, 4])
def test_countOf(self):
self.failUnless(operator.countOf([1, 2, 1, 3, 1, 4], 3) == 1)
self.failUnless(operator.countOf([1, 2, 1, 3, 1, 4], 5) == 0)
def test_delitem(self):
a = [4, 3, 2, 1]
self.failUnless(operator.delitem(a, 1) is None)
self.assert_(a == [4, 2, 1])
def test_delslice(self):
a = range(10)
self.failUnless(operator.delslice(a, 2, 8) is None)
self.assert_(a == [0, 1, 8, 9])
def test_div(self):
self.failUnless(operator.floordiv(5, 2) == 2)
def test_floordiv(self):
self.failUnless(operator.floordiv(5, 2) == 2)
def test_truediv(self):
self.failUnless(operator.truediv(5, 2) == 2.5)
def test_getitem(self):
a = range(10)
self.failUnless(operator.getitem(a, 2) == 2)
def test_getslice(self):
a = range(10)
self.failUnless(operator.getslice(a, 4, 6) == [4, 5])
def test_indexOf(self):
self.failUnless(operator.indexOf([4, 3, 2, 1], 3) == 1)
self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0)
def test_invert(self):
self.failUnless(operator.inv(4) == -5)
def test_isCallable(self):
class C:
pass
def check(self, o, v):
self.assert_(operator.isCallable(o) == callable(o) == v)
check(self, 4, 0)
check(self, operator.isCallable, 1)
check(self, C, 1)
check(self, C(), 0)
def test_isMappingType(self):
self.failIf(operator.isMappingType(1))
self.failIf(operator.isMappingType(operator.isMappingType))
self.failUnless(operator.isMappingType(operator.__dict__))
self.failUnless(operator.isMappingType({}))
def test_isNumberType(self):
self.failUnless(operator.isNumberType(8))
self.failUnless(operator.isNumberType(8j))
self.failUnless(operator.isNumberType(8L))
self.failUnless(operator.isNumberType(8.3))
self.failIf(operator.isNumberType(dir()))
def test_isSequenceType(self):
self.failUnless(operator.isSequenceType(dir()))
self.failUnless(operator.isSequenceType(()))
self.failUnless(operator.isSequenceType(xrange(10)))
self.failUnless(operator.isSequenceType('yeahbuddy'))
self.failIf(operator.isSequenceType(3))
def test_lshift(self):
self.failUnless(operator.lshift(5, 1) == 10)
self.failUnless(operator.lshift(5, 0) == 5)
self.assertRaises(ValueError, operator.lshift, 2, -1)
def test_mod(self):
self.failUnless(operator.mod(5, 2) == 1)
def test_mul(self):
self.failUnless(operator.mul(5, 2) == 10)
def test_neg(self):
self.failUnless(operator.neg(5) == -5)
self.failUnless(operator.neg(-5) == 5)
self.failUnless(operator.neg(0) == 0)
self.failUnless(operator.neg(-0) == 0)
def test_bitwise_or(self):
self.failUnless(operator.or_(0xa, 0x5) == 0xf)
def test_pos(self):
self.failUnless(operator.pos(5) == 5)
self.failUnless(operator.pos(-5) == -5)
self.failUnless(operator.pos(0) == 0)
self.failUnless(operator.pos(-0) == 0)
def test_pow(self):
self.failUnless(operator.pow(3,5) == 3**5)
self.failUnless(operator.__pow__(3,5) == 3**5)
self.assertRaises(TypeError, operator.pow, 1)
self.assertRaises(TypeError, operator.pow, 1, 2, 3)
def test_repeat(self):
a = range(3)
self.failUnless(operator.repeat(a, 2) == a+a)
self.failUnless(operator.repeat(a, 1) == a)
self.failUnless(operator.repeat(a, 0) == [])
a = (1, 2, 3)
self.failUnless(operator.repeat(a, 2) == a+a)
self.failUnless(operator.repeat(a, 1) == a)
self.failUnless(operator.repeat(a, 0) == ())
a = '123'
self.failUnless(operator.repeat(a, 2) == a+a)
self.failUnless(operator.repeat(a, 1) == a)
self.failUnless(operator.repeat(a, 0) == '')
def test_rshift(self):
self.failUnless(operator.rshift(5, 1) == 2)
self.failUnless(operator.rshift(5, 0) == 5)
self.assertRaises(ValueError, operator.rshift, 2, -1)
def test_contains(self):
self.failUnless(operator.contains(range(4), 2))
self.failIf(operator.contains(range(4), 5))
self.failUnless(operator.sequenceIncludes(range(4), 2))
self.failIf(operator.sequenceIncludes(range(4), 5))
def test_setitem(self):
a = range(3)
self.failUnless(operator.setitem(a, 0, 2) is None)
self.assert_(a == [2, 1, 2])
self.assertRaises(IndexError, operator.setitem, a, 4, 2)
def test_setslice(self):
a = range(4)
self.failUnless(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assert_(a == [0, 2, 1, 3])
def test_sub(self):
self.failUnless(operator.sub(5, 2) == 3)
def test_truth(self):
self.failUnless(operator.truth(5))
self.failUnless(operator.truth([0]))
self.failIf(operator.truth(0))
self.failIf(operator.truth([]))
def test_bitwise_xor(self):
self.failUnless(operator.xor(0xb, 0xc) == 0x7)
def test_is(self):
a = b = 'xyzpdq'
c = a[:3] + b[3:]
self.failUnless(operator.is_(a, b))
self.failIf(operator.is_(a,c))
def test_is_not(self):
a = b = 'xyzpdq'
c = a[:3] + b[3:]
self.failIf(operator.is_not(a, b))
self.failUnless(operator.is_not(a,c))
def test_attrgetter(self):
class A:
pass
a = A()
a.name = 'arthur'
f = operator.attrgetter('name')
self.assertEqual(f(a), 'arthur')
f = operator.attrgetter('rank')
self.assertRaises(AttributeError, f, a)
f = operator.attrgetter(2)
self.assertRaises(TypeError, f, a)
self.assertRaises(TypeError, operator.attrgetter)
self.assertRaises(TypeError, operator.attrgetter, 1, 2)
def test_itemgetter(self):
a = 'ABCDE'
f = operator.itemgetter(2)
self.assertEqual(f(a), 'C')
f = operator.itemgetter(10)
self.assertRaises(IndexError, f, a)
f = operator.itemgetter('name')
self.assertRaises(TypeError, f, a)
self.assertRaises(TypeError, operator.itemgetter)
self.assertRaises(TypeError, operator.itemgetter, 1, 2)
d = dict(key='val')
f = operator.itemgetter('key')
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(list.sorted(inventory, key=getcount),
[('orange', 1), ('banana', 2), ('apple', 3), ('pear', 5)])
def test_main():
test_support.run_unittest(OperatorTestCase)
if __name__ == "__main__":
test_main()
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