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# -*- coding: utf-8 -*-
class AppTestOperator:
def test_getters_are_not_regular_functions(self):
import _operator as operator
class A(object):
getx = operator.attrgetter('x')
get3 = operator.itemgetter(3)
callx = operator.methodcaller("append", "x")
a = A()
a.x = 5
assert a.getx(a) == 5
assert a.get3("foobar") == "b"
assert a.getx(*(a,)) == 5
l = []
a.callx(l)
assert l == ["x"]
def test_getter_multiple_gest(self):
import _operator as operator
class A(object):
pass
a = A()
a.x = 'X'
a.y = 'Y'
a.z = 'Z'
assert operator.attrgetter('x','z','y')(a) == ('X', 'Z', 'Y')
e = raises(TypeError, operator.attrgetter, ('x', (), 'y'))
assert str(e.value).startswith("attribute name must be a string")
data = list(map(str, range(20)))
assert operator.itemgetter(2,10,5)(data) == ('2', '10', '5')
raises(TypeError, operator.itemgetter(2, 'x', 5), data)
def test_attrgetter(self):
import _operator as operator
raises(TypeError, operator.attrgetter, 2)
def test_dotted_attrgetter(self):
from _operator import attrgetter
class A:
pass
a = A()
a.name = "hello"
a.child = A()
a.child.name = "world"
a.child.foo = "bar"
assert attrgetter("child.name")(a) == "world"
assert attrgetter("child.name", "child.foo")(a) == ("world", "bar")
def test_attrgetter_type(self):
from _operator import attrgetter
assert type(attrgetter("child.name")) is attrgetter
def test_concat(self):
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
import _operator as operator
raises(TypeError, operator.concat)
raises(TypeError, operator.concat, None, None)
assert operator.concat('py', 'thon') == 'python'
assert operator.concat([1, 2], [3, 4]) == [1, 2, 3, 4]
assert operator.concat(Seq1([5, 6]), Seq1([7])) == [5, 6, 7]
assert operator.concat(Seq2([5, 6]), Seq2([7])) == [5, 6, 7]
raises(TypeError, operator.concat, 13, 29)
def test_mul(self):
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
import _operator as operator
a = list(range(3))
raises(TypeError, operator.mul)
raises(TypeError, operator.mul, a, None)
assert operator.mul(a, 2) == a+a
assert operator.mul(a, 1) == a
assert operator.mul(a, 0) == []
a = (1, 2, 3)
assert operator.mul(a, 2) == a+a
assert operator.mul(a, 1) == a
assert operator.mul(a, 0) == ()
a = '123'
assert operator.mul(a, 2) == a+a
assert operator.mul(a, 1) == a
assert operator.mul(a, 0) == ''
a = Seq1([4, 5, 6])
assert operator.mul(a, 2) == [4, 5, 6, 4, 5, 6]
assert operator.mul(a, 1) == [4, 5, 6]
assert operator.mul(a, 0) == []
a = Seq2([4, 5, 6])
assert operator.mul(a, 2) == [4, 5, 6, 4, 5, 6]
assert operator.mul(a, 1) == [4, 5, 6]
assert operator.mul(a, 0) == []
def test_iadd(self):
import _operator as operator
list = []
assert operator.iadd(list, [1, 2]) is list
assert list == [1, 2]
def test_imul(self):
import _operator as operator
class X(object):
def __index__(self):
return 5
a = list(range(3))
raises(TypeError, operator.imul)
raises(TypeError, operator.imul, a, None)
raises(TypeError, operator.imul, a, [])
assert operator.imul(a, 2) is a
assert a == [0, 1, 2, 0, 1, 2]
assert operator.imul(a, 1) is a
assert a == [0, 1, 2, 0, 1, 2]
def test_methodcaller(self):
from _operator import methodcaller
class X(object):
def method(self, arg1=2, arg2=3):
return arg1, arg2
x = X()
assert methodcaller("method")(x) == (2, 3)
assert methodcaller("method", 4)(x) == (4, 3)
assert methodcaller("method", 4, 5)(x) == (4, 5)
assert methodcaller("method", 4, arg2=42)(x) == (4, 42)
def test_methodcaller_self(self):
from operator import methodcaller
class X:
def method(myself, self):
return self * 6
assert methodcaller("method", self=7)(X()) == 42
def test_methodcaller_not_string(self):
import _operator as operator
e = raises(TypeError, operator.methodcaller, 42)
assert str(e.value) == "method name must be a string"
def test_index(self):
import _operator as operator
assert operator.index(42) == 42
raises(TypeError, operator.index, "abc")
exc = raises(TypeError, operator.index, "abc")
assert str(exc.value) == "'str' object cannot be interpreted as an integer"
def test_indexOf(self):
import _operator as operator
raises(TypeError, operator.indexOf)
raises(TypeError, operator.indexOf, None, None)
assert operator.indexOf([4, 3, 2, 1], 3) == 1
raises(ValueError, operator.indexOf, [4, 3, 2, 1], 0)
def test_index_int_subclass(self):
import operator
class myint(int):
def __index__(self):
return 13289
assert operator.index(myint(7)) == 7
def test_index_int_subclass(self):
import operator
class myint(int):
def __index__(self):
return 13289
assert operator.index(myint(7)) == 7
def test_compare_digest(self):
import _operator as operator
# Testing input type exception handling
a, b = 100, 200
raises(TypeError, operator._compare_digest, a, b)
a, b = 100, b"foobar"
raises(TypeError, operator._compare_digest, a, b)
a, b = b"foobar", 200
raises(TypeError, operator._compare_digest, a, b)
a, b = u"foobar", b"foobar"
raises(TypeError, operator._compare_digest, a, b)
a, b = b"foobar", u"foobar"
raises(TypeError, operator._compare_digest, a, b)
# Testing bytes of different lengths
a, b = b"foobar", b"foo"
assert not operator._compare_digest(a, b)
a, b = b"\xde\xad\xbe\xef", b"\xde\xad"
assert not operator._compare_digest(a, b)
# Testing bytes of same lengths, different values
a, b = b"foobar", b"foobaz"
assert not operator._compare_digest(a, b)
a, b = b"\xde\xad\xbe\xef", b"\xab\xad\x1d\xea"
assert not operator._compare_digest(a, b)
# Testing bytes of same lengths, same values
a, b = b"foobar", b"foobar"
assert operator._compare_digest(a, b)
a, b = b"\xde\xad\xbe\xef", b"\xde\xad\xbe\xef"
assert operator._compare_digest(a, b)
# Testing bytearrays of same lengths, same values
a, b = bytearray(b"foobar"), bytearray(b"foobar")
assert operator._compare_digest(a, b)
# Testing bytearrays of diffeent lengths
a, b = bytearray(b"foobar"), bytearray(b"foo")
assert not operator._compare_digest(a, b)
# Testing bytearrays of same lengths, different values
a, b = bytearray(b"foobar"), bytearray(b"foobaz")
assert not operator._compare_digest(a, b)
# Testing byte and bytearray of same lengths, same values
a, b = bytearray(b"foobar"), b"foobar"
assert operator._compare_digest(a, b)
assert operator._compare_digest(b, a)
# Testing byte bytearray of diffeent lengths
a, b = bytearray(b"foobar"), b"foo"
assert not operator._compare_digest(a, b)
assert not operator._compare_digest(b, a)
# Testing byte and bytearray of same lengths, different values
a, b = bytearray(b"foobar"), b"foobaz"
assert not operator._compare_digest(a, b)
assert not operator._compare_digest(b, a)
# Testing str of same lengths
a, b = "foobar", "foobar"
assert operator._compare_digest(a, b)
# Testing str of diffeent lengths
a, b = "foo", "foobar"
assert not operator._compare_digest(a, b)
# Testing bytes of same lengths, different values
a, b = "foobar", "foobaz"
assert not operator._compare_digest(a, b)
# Testing error cases
a, b = u"foobar", b"foobar"
raises(TypeError, operator._compare_digest, a, b)
a, b = b"foobar", u"foobar"
raises(TypeError, operator._compare_digest, a, b)
a, b = b"foobar", 1
raises(TypeError, operator._compare_digest, a, b)
a, b = 100, 200
raises(TypeError, operator._compare_digest, a, b)
a, b = "fooä", "fooä"
raises(TypeError, operator._compare_digest, a, b)
# subclasses are supported by ignore __eq__
class mystr(str):
def __eq__(self, other):
return False
a, b = mystr("foobar"), mystr("foobar")
assert operator._compare_digest(a, b)
a, b = mystr("foobar"), "foobar"
assert operator._compare_digest(a, b)
a, b = mystr("foobar"), mystr("foobaz")
assert not operator._compare_digest(a, b)
class mybytes(bytes):
def __eq__(self, other):
return False
a, b = mybytes(b"foobar"), mybytes(b"foobar")
assert operator._compare_digest(a, b)
a, b = mybytes(b"foobar"), b"foobar"
assert operator._compare_digest(a, b)
a, b = mybytes(b"foobar"), mybytes(b"foobaz")
assert not operator._compare_digest(a, b)
def test_compare_digest_unicode(self):
import _operator as operator
assert operator._compare_digest(u'asd', u'asd')
assert not operator._compare_digest(u'asd', u'qwe')
raises(TypeError, operator._compare_digest, u'asd', b'qwe')
def test_length_hint(self):
import _operator as operator
assert operator.length_hint([1, 2]) == 2
with raises(TypeError) as exc:
operator.length_hint("abc", "abc")
print(exc.value)
assert "cannot be interpreted as an integer" in str(exc.value)
def test_repr_attrgetter(self):
import _operator as operator
assert repr(operator.attrgetter("foo")) == "operator.attrgetter('foo')"
assert repr(operator.attrgetter("foo", 'bar')) == (
"operator.attrgetter('foo', 'bar')")
assert repr(operator.attrgetter("foo.bar")) == (
"operator.attrgetter('foo.bar')")
assert repr(operator.attrgetter("foo", 'bar.baz')) == (
"operator.attrgetter('foo', 'bar.baz')")
def test_repr_itemgetter(self):
import _operator as operator
assert repr(operator.itemgetter(2)) == "operator.itemgetter(2)"
assert repr(operator.itemgetter(2, 3)) == "operator.itemgetter(2, 3)"
def test_repr_methodcaller(self):
import _operator as operator
assert repr(operator.methodcaller("foo", "bar", baz=42)) == (
"operator.methodcaller('foo', 'bar', baz=42)")
def test_countOf(self):
from _operator import countOf
assert countOf([1, 2, 1, 1, 4], 1) == 3
nan = float('nan')
assert countOf([nan, nan, 4, nan], nan) == 3
def test_iconcat(self):
from _operator import iconcat
with raises(TypeError) as exc:
iconcat(1, 0.5)
print(exc.value)
assert str(exc.value) == "'int' object can't be concatenated"
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