import operator
import unittest
from test import test_support
class Seq1:
def __init__(self, lst):
self.lst = lst
def __len__(self):
return len(self.lst)
def __getitem__(self, i):
return self.lst[i]
def __add__(self, other):
return self.lst + other.lst
def __mul__(self, other):
return self.lst * other
def __rmul__(self, other):
return other * self.lst
class Seq2(object):
def __init__(self, lst):
self.lst = lst
def __len__(self):
return len(self.lst)
def __getitem__(self, i):
return self.lst[i]
def __add__(self, other):
return self.lst + other.lst
def __mul__(self, other):
return self.lst * other
def __rmul__(self, other):
return other * self.lst
class OperatorTestCase(unittest.TestCase):
def test_lt(self):
self.assertRaises(TypeError, operator.lt)
self.assertRaises(TypeError, operator.lt, 1j, 2j)
self.assertFalse(operator.lt(1, 0))
self.assertFalse(operator.lt(1, 0.0))
self.assertFalse(operator.lt(1, 1))
self.assertFalse(operator.lt(1, 1.0))
self.assertTrue(operator.lt(1, 2))
self.assertTrue(operator.lt(1, 2.0))
def test_le(self):
self.assertRaises(TypeError, operator.le)
self.assertRaises(TypeError, operator.le, 1j, 2j)
self.assertFalse(operator.le(1, 0))
self.assertFalse(operator.le(1, 0.0))
self.assertTrue(operator.le(1, 1))
self.assertTrue(operator.le(1, 1.0))
self.assertTrue(operator.le(1, 2))
self.assertTrue(operator.le(1, 2.0))
def test_eq(self):
class C(object):
def __eq__(self, other):
raise SyntaxError
__hash__ = None # Silence Py3k warning
self.assertRaises(TypeError, operator.eq)
self.assertRaises(SyntaxError, operator.eq, C(), C())
self.assertFalse(operator.eq(1, 0))
self.assertFalse(operator.eq(1, 0.0))
self.assertTrue(operator.eq(1, 1))
self.assertTrue(operator.eq(1, 1.0))
self.assertFalse(operator.eq(1, 2))
self.assertFalse(operator.eq(1, 2.0))
def test_ne(self):
class C(object):
def __ne__(self, other):
raise SyntaxError
self.assertRaises(TypeError, operator.ne)
self.assertRaises(SyntaxError, operator.ne, C(), C())
self.assertTrue(operator.ne(1, 0))
self.assertTrue(operator.ne(1, 0.0))
self.assertFalse(operator.ne(1, 1))
self.assertFalse(operator.ne(1, 1.0))
self.assertTrue(operator.ne(1, 2))
self.assertTrue(operator.ne(1, 2.0))
def test_ge(self):
self.assertRaises(TypeError, operator.ge)
self.assertRaises(TypeError, operator.ge, 1j, 2j)
self.assertTrue(operator.ge(1, 0))
self.assertTrue(operator.ge(1, 0.0))
self.assertTrue(operator.ge(1, 1))
self.assertTrue(operator.ge(1, 1.0))
self.assertFalse(operator.ge(1, 2))
self.assertFalse(operator.ge(1, 2.0))
def test_gt(self):
self.assertRaises(TypeError, operator.gt)
self.assertRaises(TypeError, operator.gt, 1j, 2j)
self.assertTrue(operator.gt(1, 0))
self.assertTrue(operator.gt(1, 0.0))
self.assertFalse(operator.gt(1, 1))
self.assertFalse(operator.gt(1, 1.0))
self.assertFalse(operator.gt(1, 2))
self.assertFalse(operator.gt(1, 2.0))
def test_abs(self):
self.assertRaises(TypeError, operator.abs)
self.assertRaises(TypeError, operator.abs, None)
self.assertTrue(operator.abs(-1) == 1)
self.assertTrue(operator.abs(1) == 1)
def test_add(self):
self.assertRaises(TypeError, operator.add)
self.assertRaises(TypeError, operator.add, None, None)
self.assertTrue(operator.add(3, 4) == 7)
def test_bitwise_and(self):
self.assertRaises(TypeError, operator.and_)
self.assertRaises(TypeError, operator.and_, None, None)
self.assertTrue(operator.and_(0xf, 0xa) == 0xa)
def test_concat(self):
self.assertRaises(TypeError, operator.concat)
self.assertRaises(TypeError, operator.concat, None, None)
self.assertTrue(operator.concat('py', 'thon') == 'python')
self.assertTrue(operator.concat([1, 2], [3, 4]) == [1, 2, 3, 4])
self.assertTrue(operator.concat(Seq1([5, 6]), Seq1([7])) == [5, 6, 7])
self.assertTrue(operator.concat(Seq2([5, 6]), Seq2([7])) == [5, 6, 7])
self.assertRaises(TypeError, operator.concat, 13, 29)
def test_countOf(self):
self.assertRaises(TypeError, operator.countOf)
self.assertRaises(TypeError, operator.countOf, None, None)
self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 3) == 1)
self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 5) == 0)
def test_delitem(self):
a = [4, 3, 2, 1]
self.assertRaises(TypeError, operator.delitem, a)
self.assertRaises(TypeError, operator.delitem, a, None)
self.assertTrue(operator.delitem(a, 1) is None)
self.assertTrue(a == [4, 2, 1])
def test_delslice(self):
a = range(10)
self.assertRaises(TypeError, operator.delslice, a)
self.assertRaises(TypeError, operator.delslice, a, None, None)
self.assertTrue(operator.delslice(a, 2, 8) is None)
self.assertTrue(a == [0, 1, 8, 9])
operator.delslice(a, 0, test_support.MAX_Py_ssize_t)
self.assertTrue(a == [])
def test_div(self):
self.assertRaises(TypeError, operator.div, 5)
self.assertRaises(TypeError, operator.div, None, None)
self.assertTrue(operator.floordiv(5, 2) == 2)
def test_floordiv(self):
self.assertRaises(TypeError, operator.floordiv, 5)
self.assertRaises(TypeError, operator.floordiv, None, None)
self.assertTrue(operator.floordiv(5, 2) == 2)
def test_truediv(self):
self.assertRaises(TypeError, operator.truediv, 5)
self.assertRaises(TypeError, operator.truediv, None, None)
self.assertTrue(operator.truediv(5, 2) == 2.5)
def test_getitem(self):
a = range(10)
self.assertRaises(TypeError, operator.getitem)
self.assertRaises(TypeError, operator.getitem, a, None)
self.assertTrue(operator.getitem(a, 2) == 2)
def test_getslice(self):
a = range(10)
self.assertRaises(TypeError, operator.getslice)
self.assertRaises(TypeError, operator.getslice, a, None, None)
self.assertTrue(operator.getslice(a, 4, 6) == [4, 5])
b = operator.getslice(a, 0, test_support.MAX_Py_ssize_t)
self.assertTrue(b == a)
def test_indexOf(self):
self.assertRaises(TypeError, operator.indexOf)
self.assertRaises(TypeError, operator.indexOf, None, None)
self.assertTrue(operator.indexOf([4, 3, 2, 1], 3) == 1)
self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0)
def test_invert(self):
self.assertRaises(TypeError, operator.invert)
self.assertRaises(TypeError, operator.invert, None)
self.assertTrue(operator.inv(4) == -5)
def test_isCallable(self):
self.assertRaises(TypeError, operator.isCallable)
class C:
pass
def check(self, o, v):
with test_support.check_py3k_warnings():
self.assertEqual(operator.isCallable(o), v)
self.assertEqual(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.assertRaises(TypeError, operator.isMappingType)
self.assertFalse(operator.isMappingType(1))
self.assertFalse(operator.isMappingType(operator.isMappingType))
self.assertTrue(operator.isMappingType(operator.__dict__))
self.assertTrue(operator.isMappingType({}))
def test_isNumberType(self):
self.assertRaises(TypeError, operator.isNumberType)
self.assertTrue(operator.isNumberType(8))
self.assertTrue(operator.isNumberType(8j))
self.assertTrue(operator.isNumberType(8L))
self.assertTrue(operator.isNumberType(8.3))
self.assertFalse(operator.isNumberType(dir()))
def test_isSequenceType(self):
self.assertRaises(TypeError, operator.isSequenceType)
self.assertTrue(operator.isSequenceType(dir()))
self.assertTrue(operator.isSequenceType(()))
self.assertTrue(operator.isSequenceType(xrange(10)))
self.assertTrue(operator.isSequenceType('yeahbuddy'))
self.assertFalse(operator.isSequenceType(3))
class Dict(dict): pass
self.assertFalse(operator.isSequenceType(Dict()))
def test_lshift(self):
self.assertRaises(TypeError, operator.lshift)
self.assertRaises(TypeError, operator.lshift, None, 42)
self.assertTrue(operator.lshift(5, 1) == 10)
self.assertTrue(operator.lshift(5, 0) == 5)
self.assertRaises(ValueError, operator.lshift, 2, -1)
def test_mod(self):
self.assertRaises(TypeError, operator.mod)
self.assertRaises(TypeError, operator.mod, None, 42)
self.assertTrue(operator.mod(5, 2) == 1)
def test_mul(self):
self.assertRaises(TypeError, operator.mul)
self.assertRaises(TypeError, operator.mul, None, None)
self.assertTrue(operator.mul(5, 2) == 10)
def test_neg(self):
self.assertRaises(TypeError, operator.neg)
self.assertRaises(TypeError, operator.neg, None)
self.assertTrue(operator.neg(5) == -5)
self.assertTrue(operator.neg(-5) == 5)
self.assertTrue(operator.neg(0) == 0)
self.assertTrue(operator.neg(-0) == 0)
def test_bitwise_or(self):
self.assertRaises(TypeError, operator.or_)
self.assertRaises(TypeError, operator.or_, None, None)
self.assertTrue(operator.or_(0xa, 0x5) == 0xf)
def test_pos(self):
self.assertRaises(TypeError, operator.pos)
self.assertRaises(TypeError, operator.pos, None)
self.assertTrue(operator.pos(5) == 5)
self.assertTrue(operator.pos(-5) == -5)
self.assertTrue(operator.pos(0) == 0)
self.assertTrue(operator.pos(-0) == 0)
def test_pow(self):
self.assertRaises(TypeError, operator.pow)
self.assertRaises(TypeError, operator.pow, None, None)
self.assertTrue(operator.pow(3,5) == 3**5)
self.assertTrue(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.assertRaises(TypeError, operator.repeat)
self.assertRaises(TypeError, operator.repeat, a, None)
self.assertTrue(operator.repeat(a, 2) == a+a)
self.assertTrue(operator.repeat(a, 1) == a)
self.assertTrue(operator.repeat(a, 0) == [])
a = (1, 2, 3)
self.assertTrue(operator.repeat(a, 2) == a+a)
self.assertTrue(operator.repeat(a, 1) == a)
self.assertTrue(operator.repeat(a, 0) == ())
a = '123'
self.assertTrue(operator.repeat(a, 2) == a+a)
self.assertTrue(operator.repeat(a, 1) == a)
self.assertTrue(operator.repeat(a, 0) == '')
a = Seq1([4, 5, 6])
self.assertTrue(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6])
self.assertTrue(operator.repeat(a, 1) == [4, 5, 6])
self.assertTrue(operator.repeat(a, 0) == [])
a = Seq2([4, 5, 6])
self.assertTrue(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6])
self.assertTrue(operator.repeat(a, 1) == [4, 5, 6])
self.assertTrue(operator.repeat(a, 0) == [])
self.assertRaises(TypeError, operator.repeat, 6, 7)
def test_rshift(self):
self.assertRaises(TypeError, operator.rshift)
self.assertRaises(TypeError, operator.rshift, None, 42)
self.assertTrue(operator.rshift(5, 1) == 2)
self.assertTrue(operator.rshift(5, 0) == 5)
self.assertRaises(ValueError, operator.rshift, 2, -1)
def test_contains(self):
self.assertRaises(TypeError, operator.contains)
self.assertRaises(TypeError, operator.contains, None, None)
self.assertTrue(operator.contains(range(4), 2))
self.assertFalse(operator.contains(range(4), 5))
with test_support.check_py3k_warnings():
self.assertTrue(operator.sequenceIncludes(range(4), 2))
self.assertFalse(operator.sequenceIncludes(range(4), 5))
def test_setitem(self):
a = range(3)
self.assertRaises(TypeError, operator.setitem, a)
self.assertRaises(TypeError, operator.setitem, a, None, None)
self.assertTrue(operator.setitem(a, 0, 2) is None)
self.assertTrue(a == [2, 1, 2])
self.assertRaises(IndexError, operator.setitem, a, 4, 2)
def test_setslice(self):
a = range(4)
self.assertRaises(TypeError, operator.setslice, a)
self.assertRaises(TypeError, operator.setslice, a, None, None, None)
self.assertTrue(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assertTrue(a == [0, 2, 1, 3])
operator.setslice(a, 0, test_support.MAX_Py_ssize_t, [])
self.assertTrue(a == [])
def test_sub(self):
self.assertRaises(TypeError, operator.sub)
self.assertRaises(TypeError, operator.sub, None, None)
self.assertTrue(operator.sub(5, 2) == 3)
def test_truth(self):
class C(object):
def __nonzero__(self):
raise SyntaxError
self.assertRaises(TypeError, operator.truth)
self.assertRaises(SyntaxError, operator.truth, C())
self.assertTrue(operator.truth(5))
self.assertTrue(operator.truth([0]))
self.assertFalse(operator.truth(0))
self.assertFalse(operator.truth([]))
def test_bitwise_xor(self):
self.assertRaises(TypeError, operator.xor)
self.assertRaises(TypeError, operator.xor, None, None)
self.assertTrue(operator.xor(0xb, 0xc) == 0x7)
def test_is(self):
a = b = 'xyzpdq'
c = a[:3] + b[3:]
self.assertRaises(TypeError, operator.is_)
self.assertTrue(operator.is_(a, b))
self.assertFalse(operator.is_(a,c))
def test_is_not(self):
a = b = 'xyzpdq'
c = a[:3] + b[3:]
self.assertRaises(TypeError, operator.is_not)
self.assertFalse(operator.is_not(a, b))
self.assertTrue(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)
# multiple gets
record = A()
record.x = 'X'
record.y = 'Y'
record.z = 'Z'
self.assertEqual(operator.attrgetter('x','z','y')(record), ('X', 'Z', 'Y'))
self.assertRaises(TypeError, operator.attrgetter('x', (), 'y'), record)
class C(object):
def __getattr__(self, name):
raise SyntaxError
self.assertRaises(SyntaxError, operator.attrgetter('foo'), C())
# recursive gets
a = A()
a.name = 'arthur'
a.child = A()
a.child.name = 'thomas'
f = operator.attrgetter('child.name')
self.assertEqual(f(a), 'thomas')
self.assertRaises(AttributeError, f, a.child)
f = operator.attrgetter('name', 'child.name')
self.assertEqual(f(a), ('arthur', 'thomas'))
f = operator.attrgetter('name', 'child.name', 'child.child.name')
self.assertRaises(AttributeError, f, a)
a.child.child = A()
a.child.child.name = 'johnson'
f = operator.attrgetter('child.child.name')
self.assertEqual(f(a), 'johnson')
f = operator.attrgetter('name', 'child.name', 'child.child.name')
self.assertEqual(f(a), ('arthur', 'thomas', 'johnson'))
def test_itemgetter(self):
a = 'ABCDE'
f = operator.itemgetter(2)
self.assertEqual(f(a), 'C')
f = operator.itemgetter(10)
self.assertRaises(IndexError, f, a)
class C(object):
def __getitem__(self, name):
raise SyntaxError
self.assertRaises(SyntaxError, operator.itemgetter(42), C())
f = operator.itemgetter('name')
self.assertRaises(TypeError, f, a)
self.assertRaises(TypeError, operator.itemgetter)
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(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)