freeipa/ipatests/test_ipapython/test_dn.py
Stanislav Levin 5a00882eab pylint: Fix useless-suppression
Cleanup up no longer used Pylint's disables where possible.

Fixes: https://pagure.io/freeipa/issue/9117
Signed-off-by: Stanislav Levin <slev@altlinux.org>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
2022-03-11 13:37:08 -05:00

1444 lines
47 KiB
Python

import contextlib
import pytest
from cryptography import x509
import six
from ipapython.dn import DN, RDN, AVA, str2dn, dn2str, DECODING_ERROR
from ipapython import dn_ctypes
if six.PY3:
unicode = str
def cmp(a, b):
if a == b:
assert not a < b
assert not a > b
assert not a != b
assert a <= b
assert a >= b
return 0
elif a < b:
assert not a > b
assert a != b
assert a <= b
assert not a >= b
return -1
else:
assert a > b
assert a != b
assert not a <= b
assert a >= b
return 1
pytestmark = pytest.mark.tier0
def expected_class(klass, component):
if klass is AVA:
if component == 'self':
return AVA
elif klass is RDN:
if component == 'self':
return RDN
elif component == 'AVA':
return AVA
elif klass is DN:
if component == 'self':
return DN
elif component == 'AVA':
return AVA
elif component == 'RDN':
return RDN
raise ValueError("class %s with component '%s' unknown" % (klass.__name__, component))
class TestAVA:
@pytest.fixture(autouse=True)
def ava_setup(self):
self.attr1 = 'cn'
self.value1 = 'Bob'
self.str_ava1 = '%s=%s' % (self.attr1, self.value1)
self.ava1 = AVA(self.attr1, self.value1)
self.attr2 = 'ou'
self.value2 = 'People'
self.str_ava2 = '%s=%s' % (self.attr2, self.value2)
self.ava2 = AVA(self.attr2, self.value2)
self.attr3 = 'c'
self.value3 = 'US'
self.str_ava3 = '%s=%s' % (self.attr3, self.value3)
self.ava3 = AVA(self.attr3, self.value3)
def assertExpectedClass(self, klass, obj, component):
assert obj.__class__ is expected_class(klass, component)
def test_create(self):
# Create with attr,value pair
ava1 = AVA(self.attr1, self.value1)
self.assertExpectedClass(AVA, ava1, 'self')
assert ava1 == self.ava1
# Create with "attr=value" string
ava1 = AVA(self.str_ava1)
self.assertExpectedClass(AVA, ava1, 'self')
assert ava1 == self.ava1
# Create with tuple (attr, value)
ava1 = AVA((self.attr1, self.value1))
self.assertExpectedClass(AVA, ava1, 'self')
assert ava1 == self.ava1
# Create with list [attr, value]
ava1 = AVA([self.attr1, self.value1])
self.assertExpectedClass(AVA, ava1, 'self')
assert ava1 == self.ava1
# Create with no args should fail
with pytest.raises(TypeError):
AVA()
# Create with more than 3 args should fail
with pytest.raises(TypeError):
AVA(self.attr1, self.value1, self.attr1, self.attr1)
# Create with 1 arg which is not string should fail
with pytest.raises(TypeError):
AVA(1)
# Create with malformed AVA string should fail
with pytest.raises(ValueError):
AVA("cn")
# Create with non-string parameters, should convert
ava1 = AVA(1, self.value1)
self.assertExpectedClass(AVA, ava1, 'self')
assert ava1.attr == u'1'
ava1 = AVA((1, self.value1))
self.assertExpectedClass(AVA, ava1, 'self')
assert ava1.attr == u'1'
ava1 = AVA(self.attr1, 1)
self.assertExpectedClass(AVA, ava1, 'self')
assert ava1.value == u'1'
ava1 = AVA((self.attr1, 1))
self.assertExpectedClass(AVA, ava1, 'self')
assert ava1.value == u'1'
def test_indexing(self):
ava1 = AVA(self.ava1)
assert ava1[self.attr1] == self.value1
assert ava1[0] == self.attr1
assert ava1[1] == self.value1
with pytest.raises(KeyError):
ava1['foo'] # pylint: disable=pointless-statement
with pytest.raises(KeyError):
ava1[3] # pylint: disable=pointless-statement
def test_properties(self):
ava1 = AVA(self.ava1)
assert ava1.attr == self.attr1
assert isinstance(ava1.attr, unicode)
assert ava1.value == self.value1
assert isinstance(ava1.value, unicode)
def test_str(self):
ava1 = AVA(self.ava1)
assert str(ava1) == self.str_ava1
assert isinstance(str(ava1), str)
def test_cmp(self):
# Equality
ava1 = AVA(self.attr1, self.value1)
assert ava1 == self.ava1
assert ava1 == self.ava1
assert ava1 == self.str_ava1
assert ava1 == self.str_ava1
result = cmp(ava1, self.ava1)
assert result == 0
# Upper case attr should still be equal
ava1 = AVA(self.attr1.upper(), self.value1)
assert ava1.attr != self.attr1
assert ava1.value == self.value1
assert ava1 == self.ava1
assert ava1 == self.ava1
result = cmp(ava1, self.ava1)
assert result == 0
# Upper case value should still be equal
ava1 = AVA(self.attr1, self.value1.upper())
assert ava1.attr == self.attr1
assert ava1.value != self.value1
assert ava1 == self.ava1
assert ava1 == self.ava1
result = cmp(ava1, self.ava1)
assert result == 0
# Make ava1's attr greater
with pytest.raises(AttributeError):
ava1.attr = self.attr1 + "1"
ava1 = AVA(self.attr1 + "1", self.value1.upper())
assert ava1 != self.ava1
assert ava1 != self.ava1
result = cmp(ava1, self.ava1)
assert result == 1
result = cmp(self.ava1, ava1)
assert result == -1
# Reset ava1's attr, should be equal again
with pytest.raises(AttributeError):
ava1.attr = self.attr1
ava1 = AVA(self.attr1, self.value1.upper())
result = cmp(ava1, self.ava1)
assert result == 0
# Make ava1's value greater
# attr will be equal, this tests secondary comparision component
with pytest.raises(AttributeError):
ava1.value = self.value1 + "1"
ava1 = AVA(self.attr1, self.value1 + "1")
result = cmp(ava1, self.ava1)
assert result == 1
result = cmp(self.ava1, ava1)
assert result == -1
def test_hashing(self):
# create AVA's that are equal but differ in case
ava1 = AVA((self.attr1.lower(), self.value1.upper()))
ava2 = AVA((self.attr1.upper(), self.value1.lower()))
# AVAs that are equal should hash to the same value.
assert ava1 == ava2
assert hash(ava1) == hash(ava2)
# Different AVA objects with the same value should
# map to 1 common key and 1 member in a set. The key and
# member are based on the object's value.
ava1_a = AVA(self.ava1)
ava1_b = AVA(self.ava1)
ava2_a = AVA(self.ava2)
ava2_b = AVA(self.ava2)
ava3_a = AVA(self.ava3)
ava3_b = AVA(self.ava3)
assert ava1_a == ava1_b
assert ava2_a == ava2_b
assert ava3_a == ava3_b
d = dict()
s = set()
d[ava1_a] = str(ava1_a)
d[ava1_b] = str(ava1_b)
d[ava2_a] = str(ava2_a)
d[ava2_b] = str(ava2_b)
s.add(ava1_a)
s.add(ava1_b)
s.add(ava2_a)
s.add(ava2_b)
assert len(d) == 2
assert len(s) == 2
assert sorted(d) == sorted([ava1_a, ava2_a])
assert sorted(s) == sorted([ava1_a, ava2_a])
assert ava1_a in d
assert ava1_b in d
assert ava2_a in d
assert ava2_b in d
assert ava3_a not in d
assert ava3_b not in d
assert ava1_a in s
assert ava1_b in s
assert ava2_a in s
assert ava2_b in s
assert ava3_a not in s
assert ava3_b not in s
class TestRDN:
@pytest.fixture(autouse=True)
def rdn_setup(self):
# ava1 must sort before ava2
self.attr1 = 'cn'
self.value1 = 'Bob'
self.str_ava1 = '%s=%s' % (self.attr1, self.value1)
self.ava1 = AVA(self.attr1, self.value1)
self.str_rdn1 = '%s=%s' % (self.attr1, self.value1)
self.rdn1 = RDN((self.attr1, self.value1))
self.attr2 = 'ou'
self.value2 = 'people'
self.str_ava2 = '%s=%s' % (self.attr2, self.value2)
self.ava2 = AVA(self.attr2, self.value2)
self.str_rdn2 = '%s=%s' % (self.attr2, self.value2)
self.rdn2 = RDN((self.attr2, self.value2))
self.str_ava3 = '%s=%s+%s=%s' % (self.attr1, self.value1, self.attr2, self.value2)
self.str_rdn3 = '%s=%s+%s=%s' % (self.attr1, self.value1, self.attr2, self.value2)
self.rdn3 = RDN(self.ava1, self.ava2)
def assertExpectedClass(self, klass, obj, component):
assert obj.__class__ is expected_class(klass, component)
def test_create(self):
# Create with single attr,value pair
rdn1 = RDN((self.attr1, self.value1))
assert len(rdn1) == 1
assert rdn1 == self.rdn1
self.assertExpectedClass(RDN, rdn1, 'self')
for i in range(0, len(rdn1)):
self.assertExpectedClass(RDN, rdn1[i], 'AVA')
assert rdn1[0] == self.ava1
# Create with multiple attr,value pairs
rdn3 = RDN((self.attr1, self.value1), (self.attr2, self.value2))
assert len(rdn3) == 2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
assert rdn3[0] == self.ava1
assert rdn3[1] == self.ava2
# Create with multiple attr,value pairs passed as lists
rdn3 = RDN([self.attr1, self.value1], [self.attr2, self.value2])
assert len(rdn3) == 2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
assert rdn3[0] == self.ava1
assert rdn3[1] == self.ava2
# Create with multiple attr,value pairs but reverse
# constructor parameter ordering. RDN canonical ordering
# should remain the same
rdn3 = RDN((self.attr2, self.value2), (self.attr1, self.value1))
assert len(rdn3) == 2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
assert rdn3[0] == self.ava1
assert rdn3[1] == self.ava2
# Create with single AVA object
rdn1 = RDN(self.ava1)
assert len(rdn1) == 1
assert rdn1 == self.rdn1
self.assertExpectedClass(RDN, rdn1, 'self')
for i in range(0, len(rdn1)):
self.assertExpectedClass(RDN, rdn1[i], 'AVA')
assert rdn1[0] == self.ava1
# Create with multiple AVA objects
rdn3 = RDN(self.ava1, self.ava2)
assert len(rdn3) == 2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
assert rdn3[0] == self.ava1
assert rdn3[1] == self.ava2
# Create with multiple AVA objects but reverse constructor
# parameter ordering. RDN canonical ordering should remain
# the same
rdn3 = RDN(self.ava2, self.ava1)
assert len(rdn3) == 2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
assert rdn3[0] == self.ava1
assert rdn3[1] == self.ava2
# Create with single string with 1 AVA
rdn1 = RDN(self.str_rdn1)
assert len(rdn1) == 1
assert rdn1 == self.rdn1
self.assertExpectedClass(RDN, rdn1, 'self')
for i in range(0, len(rdn1)):
self.assertExpectedClass(RDN, rdn1[i], 'AVA')
assert rdn1[0] == self.ava1
# Create with single string with 2 AVA's
rdn3 = RDN(self.str_rdn3)
assert len(rdn3) == 2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
assert rdn3[0] == self.ava1
assert rdn3[1] == self.ava2
def test_properties(self):
rdn1 = RDN(self.rdn1)
rdn2 = RDN(self.rdn2)
rdn3 = RDN(self.rdn3)
assert rdn1.attr == self.attr1
assert isinstance(rdn1.attr, unicode)
assert rdn1.value == self.value1
assert isinstance(rdn1.value, unicode)
assert rdn2.attr == self.attr2
assert isinstance(rdn2.attr, unicode)
assert rdn2.value == self.value2
assert isinstance(rdn2.value, unicode)
assert rdn3.attr == self.attr1
assert isinstance(rdn3.attr, unicode)
assert rdn3.value == self.value1
assert isinstance(rdn3.value, unicode)
def test_str(self):
rdn1 = RDN(self.rdn1)
rdn2 = RDN(self.rdn2)
rdn3 = RDN(self.rdn3)
assert str(rdn1) == self.str_rdn1
assert isinstance(str(rdn1), str)
assert str(rdn2) == self.str_rdn2
assert isinstance(str(rdn2), str)
assert str(rdn3) == self.str_rdn3
assert isinstance(str(rdn3), str)
def test_cmp(self):
# Equality
rdn1 = RDN((self.attr1, self.value1))
assert rdn1 == self.rdn1
assert rdn1 == self.rdn1
assert rdn1 == self.str_rdn1
assert rdn1 == self.str_rdn1
result = cmp(rdn1, self.rdn1)
assert result == 0
# Make rdn1's attr greater
rdn1 = RDN((self.attr1 + "1", self.value1))
assert rdn1 != self.rdn1
assert rdn1 != self.rdn1
result = cmp(rdn1, self.rdn1)
assert result == 1
result = cmp(self.rdn1, rdn1)
assert result == -1
# Reset rdn1's attr, should be equal again
rdn1 = RDN((self.attr1, self.value1))
result = cmp(rdn1, self.rdn1)
assert result == 0
# Make rdn1's value greater
# attr will be equal, this tests secondary comparision component
rdn1 = RDN((self.attr1, self.value1 + "1"))
result = cmp(rdn1, self.rdn1)
assert result == 1
result = cmp(self.rdn1, rdn1)
assert result == -1
# Make sure rdn's with more ava's are greater
result = cmp(self.rdn1, self.rdn3)
assert result == -1
result = cmp(self.rdn3, self.rdn1)
assert result == 1
def test_indexing(self):
rdn1 = RDN(self.rdn1)
rdn2 = RDN(self.rdn2)
rdn3 = RDN(self.rdn3)
assert rdn1[0] == self.ava1
assert rdn1[self.ava1.attr] == self.ava1.value
with pytest.raises(KeyError):
rdn1['foo'] # pylint: disable=pointless-statement
assert rdn2[0] == self.ava2
assert rdn2[self.ava2.attr] == self.ava2.value
with pytest.raises(KeyError):
rdn2['foo'] # pylint: disable=pointless-statement
assert rdn3[0] == self.ava1
assert rdn3[self.ava1.attr] == self.ava1.value
assert rdn3[1] == self.ava2
assert rdn3[self.ava2.attr] == self.ava2.value
with pytest.raises(KeyError):
rdn3['foo'] # pylint: disable=pointless-statement
assert rdn1.attr == self.attr1
assert rdn1.value == self.value1
with pytest.raises(TypeError):
rdn3[1.0] # pylint: disable=pointless-statement
# Slices
assert rdn3[0:1] == [self.ava1]
assert rdn3[:] == [self.ava1, self.ava2]
def test_assignments(self):
rdn = RDN((self.attr1, self.value1))
with pytest.raises(TypeError):
rdn[0] = self.ava2
def test_iter(self):
rdn1 = RDN(self.rdn1)
rdn2 = RDN(self.rdn2)
rdn3 = RDN(self.rdn3)
assert len(rdn1) == 1
assert rdn1[:] == [self.ava1]
for i, ava in enumerate(rdn1):
if i == 0:
assert ava == self.ava1
else:
pytest.fail(
"got iteration index %d, but len=%d" % (i, len(rdn1)))
assert len(rdn2) == 1
assert rdn2[:] == [self.ava2]
for i, ava in enumerate(rdn2):
if i == 0:
assert ava == self.ava2
else:
pytest.fail(
"got iteration index %d, but len=%d" % (i, len(rdn2)))
assert len(rdn3) == 2
assert rdn3[:] == [self.ava1, self.ava2]
for i, ava in enumerate(rdn3):
if i == 0:
assert ava == self.ava1
elif i == 1:
assert ava == self.ava2
else:
pytest.fail(
"got iteration index %d, but len=%d" % (i, len(rdn3)))
def test_concat(self):
rdn1 = RDN((self.attr1, self.value1))
rdn2 = RDN((self.attr2, self.value2))
# in-place addtion
rdn1 += rdn2
assert rdn1 == self.rdn3
self.assertExpectedClass(RDN, rdn1, 'self')
for i in range(0, len(rdn1)):
self.assertExpectedClass(RDN, rdn1[i], 'AVA')
rdn1 = RDN((self.attr1, self.value1))
rdn1 += self.ava2
assert rdn1 == self.rdn3
self.assertExpectedClass(RDN, rdn1, 'self')
for i in range(0, len(rdn1)):
self.assertExpectedClass(RDN, rdn1[i], 'AVA')
rdn1 = RDN((self.attr1, self.value1))
rdn1 += self.str_ava2
assert rdn1 == self.rdn3
self.assertExpectedClass(RDN, rdn1, 'self')
for i in range(0, len(rdn1)):
self.assertExpectedClass(RDN, rdn1[i], 'AVA')
# concatenation
rdn1 = RDN((self.attr1, self.value1))
rdn3 = rdn1 + rdn2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
rdn3 = rdn1 + self.ava2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
rdn3 = rdn1 + self.str_ava2
assert rdn3 == self.rdn3
self.assertExpectedClass(RDN, rdn3, 'self')
for i in range(0, len(rdn3)):
self.assertExpectedClass(RDN, rdn3[i], 'AVA')
def test_hashing(self):
# create RDN's that are equal but differ in case
rdn1 = RDN((self.attr1.lower(), self.value1.upper()))
rdn2 = RDN((self.attr1.upper(), self.value1.lower()))
# RDNs that are equal should hash to the same value.
assert rdn1 == rdn2
assert hash(rdn1) == hash(rdn2)
class TestDN:
@pytest.fixture(autouse=True)
def dn_setup(self):
# ava1 must sort before ava2
self.attr1 = 'cn'
self.value1 = u'Bob'
self.str_ava1 = '%s=%s' % (self.attr1, self.value1)
self.ava1 = AVA(self.attr1, self.value1)
self.str_rdn1 = '%s=%s' % (self.attr1, self.value1)
self.rdn1 = RDN((self.attr1, self.value1))
self.attr2 = 'ou'
self.value2 = u'people'
self.str_ava2 = '%s=%s' % (self.attr2, self.value2)
self.ava2 = AVA(self.attr2, self.value2)
self.str_rdn2 = '%s=%s' % (self.attr2, self.value2)
self.rdn2 = RDN((self.attr2, self.value2))
self.str_dn1 = self.str_rdn1
self.dn1 = DN(self.rdn1)
self.str_dn2 = self.str_rdn2
self.dn2 = DN(self.rdn2)
self.str_dn3 = '%s,%s' % (self.str_rdn1, self.str_rdn2)
self.dn3 = DN(self.rdn1, self.rdn2)
self.base_rdn1 = RDN(('dc', 'redhat'))
self.base_rdn2 = RDN(('dc', 'com'))
self.base_dn = DN(self.base_rdn1, self.base_rdn2)
self.container_rdn1 = RDN(('cn', 'sudorules'))
self.container_rdn2 = RDN(('cn', 'sudo'))
self.container_dn = DN(self.container_rdn1, self.container_rdn2)
self.base_container_dn = DN((self.attr1, self.value1),
self.container_dn, self.base_dn)
ou = x509.NameAttribute(
x509.NameOID.ORGANIZATIONAL_UNIT_NAME, self.value2)
cn = x509.NameAttribute(x509.NameOID.COMMON_NAME, self.value1)
c = x509.NameAttribute(x509.NameOID.COUNTRY_NAME, 'AU')
st = x509.NameAttribute(
x509.NameOID.STATE_OR_PROVINCE_NAME, 'Queensland')
self.x500name = x509.Name([ou, cn])
self.x500nameMultiRDN = x509.Name([
x509.RelativeDistinguishedName([c, st]),
x509.RelativeDistinguishedName([cn]),
])
self.x500nameMultiRDN2 = x509.Name([
x509.RelativeDistinguishedName([st, c]),
x509.RelativeDistinguishedName([cn]),
])
def assertExpectedClass(self, klass, obj, component):
assert obj.__class__ is expected_class(klass, component)
def test_create(self):
# Create with single attr,value pair
dn1 = DN((self.attr1, self.value1))
assert len(dn1) == 1
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[0].attr, unicode)
assert isinstance(dn1[0].value, unicode)
assert dn1[0] == self.rdn1
# Create with single attr,value pair passed as a tuple
dn1 = DN((self.attr1, self.value1))
assert len(dn1) == 1
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn1
# Creation with multiple attr,value string pairs should fail
with pytest.raises(ValueError):
dn1 = DN(self.attr1, self.value1, self.attr2, self.value2)
# Create with multiple attr,value pairs passed as tuples & lists
dn1 = DN((self.attr1, self.value1), [self.attr2, self.value2])
assert len(dn1) == 2
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn1
assert dn1[1] == self.rdn2
# Create with multiple attr,value pairs passed as tuple and RDN
dn1 = DN((self.attr1, self.value1), RDN((self.attr2, self.value2)))
assert len(dn1) == 2
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn1
assert dn1[1] == self.rdn2
# Create with multiple attr,value pairs but reverse
# constructor parameter ordering. RDN ordering should also be
# reversed because DN's are a ordered sequence of RDN's
dn1 = DN((self.attr2, self.value2), (self.attr1, self.value1))
assert len(dn1) == 2
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn2
assert dn1[1] == self.rdn1
# Create with single RDN object
dn1 = DN(self.rdn1)
assert len(dn1) == 1
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn1
# Create with multiple RDN objects, assure ordering is preserved.
dn1 = DN(self.rdn1, self.rdn2)
assert len(dn1) == 2
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn1
assert dn1[1] == self.rdn2
# Create with multiple RDN objects in different order, assure
# ordering is preserved.
dn1 = DN(self.rdn2, self.rdn1)
assert len(dn1) == 2
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn2
assert dn1[1] == self.rdn1
# Create with single string with 1 RDN
dn1 = DN(self.str_rdn1)
assert len(dn1) == 1
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn1
# Create with single string with 2 RDN's
dn1 = DN(self.str_dn3)
assert len(dn1) == 2
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn1
assert dn1[1] == self.rdn2
# Create with a python-cryptography 'Name'
dn1 = DN(self.x500name)
assert len(dn1) == 2
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
assert isinstance(dn1[i].attr, unicode)
assert isinstance(dn1[i].value, unicode)
assert dn1[0] == self.rdn1
assert dn1[1] == self.rdn2
# Create from 'Name' with multi-valued RDN
dn1 = DN(self.x500nameMultiRDN)
assert len(dn1) == 2
assert len(dn1[1]) == 2
assert AVA('c', 'au') in dn1[1]
assert AVA('st', 'queensland') in dn1[1]
assert len(dn1[0]) == 1
assert self.ava1 in dn1[0]
# Create with RDN, and 2 DN's (e.g. attr + container + base)
dn1 = DN((self.attr1, self.value1), self.container_dn, self.base_dn)
assert len(dn1) == 5
dn_str = ','.join([str(self.rdn1),
str(self.container_rdn1), str(self.container_rdn2),
str(self.base_rdn1), str(self.base_rdn2)])
assert str(dn1) == dn_str
def test_str(self):
dn1 = DN(self.dn1)
dn2 = DN(self.dn2)
dn3 = DN(self.dn3)
assert str(dn1) == self.str_dn1
assert isinstance(str(dn1), str)
assert str(dn2) == self.str_dn2
assert isinstance(str(dn2), str)
assert str(dn3) == self.str_dn3
assert isinstance(str(dn3), str)
def test_cmp(self):
# Equality
dn1 = DN((self.attr1, self.value1))
assert dn1 == self.dn1
assert dn1 == self.dn1
assert dn1 == self.str_dn1
assert dn1 == self.str_dn1
result = cmp(dn1, self.dn1)
assert result == 0
# Make dn1's attr greater
with pytest.raises(AttributeError):
dn1[0].attr = self.attr1 + "1"
dn1 = DN((self.attr1 + "1", self.value1))
assert dn1 != self.dn1
assert dn1 != self.dn1
result = cmp(dn1, self.dn1)
assert result == 1
result = cmp(self.dn1, dn1)
assert result == -1
# Reset dn1's attr, should be equal again
with pytest.raises(AttributeError):
dn1[0].attr = self.attr1
dn1 = DN((self.attr1, self.value1))
result = cmp(dn1, self.dn1)
assert result == 0
# Make dn1's value greater
# attr will be equal, this tests secondary comparision component
with pytest.raises(AttributeError):
dn1[0].value = self.value1 + "1"
dn1 = DN((self.attr1, self.value1 + "1"))
result = cmp(dn1, self.dn1)
assert result == 1
result = cmp(self.dn1, dn1)
assert result == -1
# Make sure dn's with more rdn's are greater
result = cmp(self.dn1, self.dn3)
assert result == -1
result = cmp(self.dn3, self.dn1)
assert result == 1
# Test startswith, endswith
container_dn = DN(self.container_dn)
base_container_dn = DN(self.base_container_dn)
assert base_container_dn.startswith(self.rdn1)
assert base_container_dn.startswith(self.dn1)
assert base_container_dn.startswith(self.dn1 + container_dn)
assert not base_container_dn.startswith(self.dn2)
assert not base_container_dn.startswith(self.rdn2)
assert base_container_dn.startswith((self.dn1))
assert base_container_dn.startswith((self.rdn1))
assert not base_container_dn.startswith((self.rdn2))
assert base_container_dn.startswith((self.rdn2, self.rdn1))
assert base_container_dn.startswith((self.dn1, self.dn2))
assert base_container_dn.endswith(self.base_dn)
assert base_container_dn.endswith(container_dn + self.base_dn)
assert not base_container_dn.endswith(DN(self.base_rdn1))
assert base_container_dn.endswith(DN(self.base_rdn2))
assert base_container_dn.endswith(
(DN(self.base_rdn1), DN(self.base_rdn2)))
# Test "in" membership
assert self.container_rdn1 in container_dn
# pylint: disable=comparison-with-itself
assert container_dn in container_dn
assert self.base_rdn1 not in container_dn
assert self.container_rdn1 in base_container_dn
assert container_dn in base_container_dn
assert container_dn + self.base_dn in base_container_dn
assert self.dn1 + container_dn + self.base_dn in base_container_dn
assert self.dn1 + container_dn + self.base_dn == base_container_dn
assert self.container_rdn1 not in self.base_dn
def test_eq_multi_rdn(self):
dn1 = DN(self.ava1, 'ST=Queensland+C=AU')
dn2 = DN(self.ava1, 'C=AU+ST=Queensland')
assert dn1 == dn2
# ensure AVAs get sorted when constructing from x509.Name
dn3 = DN(self.x500nameMultiRDN)
dn4 = DN(self.x500nameMultiRDN2)
assert dn3 == dn4
# ensure AVAs get sorted in the same way regardless of what
# the DN was constructed from
assert dn1 == dn3
assert dn1 == dn4
assert dn2 == dn3
assert dn2 == dn4
def test_indexing(self):
dn1 = DN(self.dn1)
dn2 = DN(self.dn2)
dn3 = DN(self.dn3)
assert dn1[0] == self.rdn1
assert dn1[self.rdn1.attr] == self.rdn1.value
with pytest.raises(KeyError):
dn1['foo'] # pylint: disable=pointless-statement
assert dn2[0] == self.rdn2
assert dn2[self.rdn2.attr] == self.rdn2.value
with pytest.raises(KeyError):
dn2['foo'] # pylint: disable=pointless-statement
assert dn3[0] == self.rdn1
assert dn3[self.rdn1.attr] == self.rdn1.value
assert dn3[1] == self.rdn2
assert dn3[self.rdn2.attr] == self.rdn2.value
with pytest.raises(KeyError):
dn3['foo'] # pylint: disable=pointless-statement
with pytest.raises(TypeError):
dn3[1.0] # pylint: disable=pointless-statement
def test_assignments(self):
dn = DN('t=0,t=1,t=2,t=3,t=4,t=5,t=6,t=7,t=8,t=9')
with pytest.raises(TypeError):
dn[0] = RDN('t=a')
with pytest.raises(TypeError):
dn[0:1] = [RDN('t=a'), RDN('t=b')]
def test_iter(self):
dn1 = DN(self.dn1)
dn2 = DN(self.dn2)
dn3 = DN(self.dn3)
assert len(dn1) == 1
assert dn1[:] == self.rdn1
for i, ava in enumerate(dn1):
if i == 0:
assert ava == self.rdn1
else:
pytest.fail(
"got iteration index %d, but len=%d" % (i, len(self.rdn1)))
assert len(dn2) == 1
assert dn2[:] == self.rdn2
for i, ava in enumerate(dn2):
if i == 0:
assert ava == self.rdn2
else:
pytest.fail(
"got iteration index %d, but len=%d" % (i, len(self.rdn2)))
assert len(dn3) == 2
assert dn3[:] == DN(self.rdn1, self.rdn2)
for i, ava in enumerate(dn3):
if i == 0:
assert ava == self.rdn1
elif i == 1:
assert ava == self.rdn2
else:
pytest.fail(
"got iteration index %d, but len=%d" % (i, len(dn3)))
def test_concat(self):
dn1 = DN((self.attr1, self.value1))
dn2 = DN([self.attr2, self.value2])
# in-place addtion
dn1 += dn2
assert dn1 == self.dn3
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
dn1 = DN((self.attr1, self.value1))
dn1 += self.rdn2
assert dn1 == self.dn3
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
dn1 = DN((self.attr1, self.value1))
dn1 += self.dn2
assert dn1 == self.dn3
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
dn1 = DN((self.attr1, self.value1))
dn1 += self.str_dn2
assert dn1 == self.dn3
self.assertExpectedClass(DN, dn1, 'self')
for i in range(0, len(dn1)):
self.assertExpectedClass(DN, dn1[i], 'RDN')
for j in range(0, len(dn1[i])):
self.assertExpectedClass(DN, dn1[i][j], 'AVA')
# concatenation
dn1 = DN((self.attr1, self.value1))
dn3 = dn1 + dn2
assert dn3 == self.dn3
self.assertExpectedClass(DN, dn3, 'self')
for i in range(0, len(dn3)):
self.assertExpectedClass(DN, dn3[i], 'RDN')
for j in range(0, len(dn3[i])):
self.assertExpectedClass(DN, dn3[i][j], 'AVA')
dn1 = DN((self.attr1, self.value1))
dn3 = dn1 + self.rdn2
assert dn3 == self.dn3
self.assertExpectedClass(DN, dn3, 'self')
for i in range(0, len(dn3)):
self.assertExpectedClass(DN, dn3[i], 'RDN')
for j in range(0, len(dn3[i])):
self.assertExpectedClass(DN, dn3[i][j], 'AVA')
dn3 = dn1 + self.str_rdn2
assert dn3 == self.dn3
self.assertExpectedClass(DN, dn3, 'self')
for i in range(0, len(dn3)):
self.assertExpectedClass(DN, dn3[i], 'RDN')
self.assertExpectedClass(DN, dn3[i][0], 'AVA')
dn3 = dn1 + self.str_dn2
assert dn3 == self.dn3
self.assertExpectedClass(DN, dn3, 'self')
self.assertExpectedClass(DN, dn3, 'self')
for i in range(0, len(dn3)):
self.assertExpectedClass(DN, dn3[i], 'RDN')
for j in range(0, len(dn3[i])):
self.assertExpectedClass(DN, dn3[i][j], 'AVA')
dn3 = dn1 + self.dn2
assert dn3 == self.dn3
self.assertExpectedClass(DN, dn3, 'self')
self.assertExpectedClass(DN, dn3, 'self')
for i in range(0, len(dn3)):
self.assertExpectedClass(DN, dn3[i], 'RDN')
for j in range(0, len(dn3[i])):
self.assertExpectedClass(DN, dn3[i][j], 'AVA')
def test_find(self):
# -10 -9 -8 -7 -6 -5 -4 -3 -2 -1
dn = DN('t=0,t=1,cn=bob,t=3,t=4,t=5,cn=bob,t=7,t=8,t=9')
pat = DN('cn=bob')
# forward
assert dn.find(pat) == 2
assert dn.find(pat, 1) == 2
assert dn.find(pat, 1, 3) == 2
assert dn.find(pat, 2, 3) == 2
assert dn.find(pat, 6) == 6
assert dn.find(pat, 7) == -1
assert dn.find(pat, 1, 2) == -1
with pytest.raises(ValueError):
assert dn.index(pat, 7) == -1
with pytest.raises(ValueError):
assert dn.index(pat, 1, 2) == -1
# reverse
assert dn.rfind(pat) == 6
assert dn.rfind(pat, -4) == 6
assert dn.rfind(pat, 6) == 6
assert dn.rfind(pat, 6, 8) == 6
assert dn.rfind(pat, 6, 8) == 6
assert dn.rfind(pat, -8) == 6
assert dn.rfind(pat, -8, -4) == 6
assert dn.rfind(pat, -8, -5) == 2
assert dn.rfind(pat, 7) == -1
assert dn.rfind(pat, -3) == -1
with pytest.raises(ValueError):
assert dn.rindex(pat, 7) == -1
with pytest.raises(ValueError):
assert dn.rindex(pat, -3) == -1
def test_replace(self):
# pylint: disable=no-member
dn = DN('t=0,t=1,t=2,t=3,t=4,t=5,t=6,t=7,t=8,t=9')
with pytest.raises(AttributeError):
dn.replace # pylint: disable=pointless-statement
def test_hashing(self):
# create DN's that are equal but differ in case
dn1 = DN((self.attr1.lower(), self.value1.upper()))
dn2 = DN((self.attr1.upper(), self.value1.lower()))
# DNs that are equal should hash to the same value.
assert dn1 == dn2
# Good, everyone's equal, now verify their hash values
assert hash(dn1) == hash(dn2)
# Different DN objects with the same value should
# map to 1 common key and 1 member in a set. The key and
# member are based on the object's value.
dn1_a = DN(self.dn1)
dn1_b = DN(self.dn1)
dn2_a = DN(self.dn2)
dn2_b = DN(self.dn2)
dn3_a = DN(self.dn3)
dn3_b = DN(self.dn3)
assert dn1_a == dn1_b
assert dn2_a == dn2_b
assert dn3_a == dn3_b
d = dict()
s = set()
d[dn1_a] = str(dn1_a)
d[dn1_b] = str(dn1_b)
d[dn2_a] = str(dn2_a)
d[dn2_b] = str(dn2_b)
s.add(dn1_a)
s.add(dn1_b)
s.add(dn2_a)
s.add(dn2_b)
assert len(d) == 2
assert len(s) == 2
assert sorted(d) == sorted([dn1_a, dn2_a])
assert sorted(s) == sorted([dn1_a, dn2_a])
assert dn1_a in d
assert dn1_b in d
assert dn2_a in d
assert dn2_b in d
assert dn3_a not in d
assert dn3_b not in d
assert dn1_a in s
assert dn1_b in s
assert dn2_a in s
assert dn2_b in s
assert dn3_a not in s
assert dn3_b not in s
def test_x500_text(self):
# null DN x500 ordering and LDAP ordering are the same
nulldn = DN()
assert nulldn.ldap_text() == nulldn.x500_text()
# reverse a DN with a single RDN
assert self.dn1.ldap_text() == self.dn1.x500_text()
# reverse a DN with 2 RDNs
dn3_x500 = self.dn3.x500_text()
dn3_rev = DN(self.rdn2, self.rdn1)
assert dn3_rev.ldap_text() == dn3_x500
# reverse a longer DN
longdn_x500 = self.base_container_dn.x500_text()
longdn_rev = DN(longdn_x500)
l = len(self.base_container_dn)
for i in range(l):
assert longdn_rev[i] == self.base_container_dn[l - 1 - i]
class TestEscapes:
@pytest.fixture(autouse=True)
def escapes_setup(self):
self.privilege = 'R,W privilege'
self.dn_str_hex_escape = 'cn=R\\2cW privilege,cn=privileges,cn=pbac,dc=idm,dc=lab,dc=bos,dc=redhat,dc=com'
self.dn_str_backslash_escape = 'cn=R\\,W privilege,cn=privileges,cn=pbac,dc=idm,dc=lab,dc=bos,dc=redhat,dc=com'
def test_escape(self):
dn = DN(self.dn_str_hex_escape)
assert dn['cn'] == self.privilege
assert dn[0].value == self.privilege
dn = DN(self.dn_str_backslash_escape)
assert dn['cn'] == self.privilege
assert dn[0].value == self.privilege
class TestInternationalization:
@pytest.fixture(autouse=True)
def i18n_setup(self):
# Hello in Arabic
self.arabic_hello_utf8 = (b'\xd9\x85\xd9\x83\xd9\x8a\xd9\x84' +
b'\xd8\xb9\x20\xd9\x85\xd8\xa7\xd9' +
b'\x84\xd9\x91\xd8\xb3\xd9\x84\xd8\xa7')
self.arabic_hello_unicode = self.arabic_hello_utf8.decode('utf-8')
def assert_equal_utf8(self, obj, b):
if six.PY2:
assert str(obj) == b
else:
assert str(obj) == b.decode('utf-8')
@contextlib.contextmanager
def fail_py3(self, exception_type):
try:
yield
except exception_type:
if six.PY2:
raise
def test_i18n(self):
actual = self.arabic_hello_unicode.encode('utf-8')
expected = self.arabic_hello_utf8
assert actual == expected
# AVA's
# test attr i18n
ava1 = AVA(self.arabic_hello_unicode, 'foo')
assert isinstance(ava1.attr, unicode)
assert isinstance(ava1.value, unicode)
assert ava1.attr == self.arabic_hello_unicode
self.assert_equal_utf8(ava1, self.arabic_hello_utf8 + b'=foo')
with self.fail_py3(TypeError):
ava1 = AVA(self.arabic_hello_utf8, 'foo')
if six.PY2:
assert isinstance(ava1.attr, unicode)
assert isinstance(ava1.value, unicode)
assert ava1.attr == self.arabic_hello_unicode
self.assert_equal_utf8(ava1, self.arabic_hello_utf8 + b'=foo')
# test value i18n
ava1 = AVA('cn', self.arabic_hello_unicode)
assert isinstance(ava1.attr, unicode)
assert isinstance(ava1.value, unicode)
assert ava1.value == self.arabic_hello_unicode
self.assert_equal_utf8(ava1, b'cn=' + self.arabic_hello_utf8)
with self.fail_py3(TypeError):
ava1 = AVA('cn', self.arabic_hello_utf8)
if six.PY2:
assert isinstance(ava1.attr, unicode)
assert isinstance(ava1.value, unicode)
assert ava1.value == self.arabic_hello_unicode
self.assert_equal_utf8(ava1, b'cn=' + self.arabic_hello_utf8)
# RDN's
# test attr i18n
rdn1 = RDN((self.arabic_hello_unicode, 'foo'))
assert isinstance(rdn1.attr, unicode)
assert isinstance(rdn1.value, unicode)
assert rdn1.attr == self.arabic_hello_unicode
self.assert_equal_utf8(rdn1, self.arabic_hello_utf8 + b'=foo')
with self.fail_py3(TypeError):
rdn1 = RDN((self.arabic_hello_utf8, 'foo'))
if six.PY2:
assert isinstance(rdn1.attr, unicode)
assert isinstance(rdn1.value, unicode)
assert rdn1.attr == self.arabic_hello_unicode
assert str(rdn1) == self.arabic_hello_utf8 + b'=foo'
# test value i18n
rdn1 = RDN(('cn', self.arabic_hello_unicode))
assert isinstance(rdn1.attr, unicode)
assert isinstance(rdn1.value, unicode)
assert rdn1.value == self.arabic_hello_unicode
self.assert_equal_utf8(rdn1, b'cn=' + self.arabic_hello_utf8)
with self.fail_py3(TypeError):
rdn1 = RDN(('cn', self.arabic_hello_utf8))
if six.PY2:
assert isinstance(rdn1.attr, unicode)
assert isinstance(rdn1.value, unicode)
assert rdn1.value == self.arabic_hello_unicode
assert str(rdn1) == b'cn=' + self.arabic_hello_utf8
# DN's
# test attr i18n
dn1 = DN((self.arabic_hello_unicode, 'foo'))
assert isinstance(dn1[0].attr, unicode)
assert isinstance(dn1[0].value, unicode)
assert dn1[0].attr == self.arabic_hello_unicode
self.assert_equal_utf8(dn1, self.arabic_hello_utf8 + b'=foo')
with self.fail_py3(TypeError):
dn1 = DN((self.arabic_hello_utf8, 'foo'))
if six.PY2:
assert isinstance(dn1[0].attr, unicode)
assert isinstance(dn1[0].value, unicode)
assert dn1[0].attr == self.arabic_hello_unicode
assert str(dn1) == self.arabic_hello_utf8 + b'=foo'
# test value i18n
dn1 = DN(('cn', self.arabic_hello_unicode))
assert isinstance(dn1[0].attr, unicode)
assert isinstance(dn1[0].value, unicode)
assert dn1[0].value == self.arabic_hello_unicode
self.assert_equal_utf8(dn1, b'cn=' + self.arabic_hello_utf8)
with self.fail_py3(TypeError):
dn1 = DN(('cn', self.arabic_hello_utf8))
if six.PY2:
assert isinstance(dn1[0].attr, unicode)
assert isinstance(dn1[0].value, unicode)
assert dn1[0].value == self.arabic_hello_unicode
assert str(dn1) == b'cn=' + self.arabic_hello_utf8
# 1: LDAP_AVA_STRING
# 4: LDAP_AVA_NONPRINTABLE
@pytest.mark.parametrize(
'dnstring,expected',
[
('', []),
('cn=bob', [[('cn', 'bob', 1)]]),
('cn=Bob', [[('cn', 'Bob', 1)]]),
(u'cn=b\xf6b', [[('cn', u'b\xf6b', 4)]]),
('cn=bob,sn=builder', [[('cn', 'bob', 1)], [('sn', 'builder', 1)]]),
(u'cn=b\xf6b,sn=builder', [
[('cn', u'b\xf6b', 4)], [('sn', 'builder', 1)]
]),
('cn=bob+sn=builder', [[('cn', 'bob', 1), ('sn', 'builder', 1)]]),
('dc=ipa,dc=example', [[('dc', 'ipa', 1)], [('dc', 'example', 1)]]),
('cn=R\\,W privilege', [[('cn', 'R,W privilege', 1)]]),
]
)
def test_str2dn2str(dnstring, expected):
dn = str2dn(dnstring)
assert dn == expected
assert dn2str(dn) == dnstring
assert dn_ctypes.str2dn(dnstring) == dn
assert dn_ctypes.dn2str(dn) == dnstring
@pytest.mark.parametrize(
'dnstring',
[
'cn',
'cn=foo,',
'cn=foo+bar',
]
)
def test_str2dn_errors(dnstring):
with pytest.raises(DECODING_ERROR):
str2dn(dnstring)
with pytest.raises(dn_ctypes.DECODING_ERROR):
dn_ctypes.str2dn(dnstring)
def test_dn2str_special():
dnstring = 'cn=R\\2cW privilege'
dnstring2 = 'cn=R\\,W privilege'
expected = [[('cn', 'R,W privilege', 1)]]
dn = str2dn(dnstring)
assert dn == expected
assert dn2str(dn) == dnstring2
assert dn_ctypes.str2dn(dnstring) == dn
assert dn_ctypes.dn2str(dn) == dnstring2