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) |