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"""Tests for josepy.json_util."""
import itertools
import unittest
from unittest import mock
from josepy import errors, interfaces, test_util, util
CERT = test_util.load_comparable_cert('cert.pem')
CSR = test_util.load_comparable_csr('csr.pem')
class FieldTest(unittest.TestCase):
"""Tests for josepy.json_util.Field."""
def test_no_omit_boolean(self):
from josepy.json_util import Field
for default, omitempty, value in itertools.product(
[True, False], [True, False], [True, False]):
self.assertIs(
Field("foo", default=default, omitempty=omitempty).omit(value), False)
def test_descriptors(self):
mock_value = mock.MagicMock()
# pylint: disable=missing-docstring
def decoder(unused_value):
return 'd'
def encoder(unused_value):
return 'e'
from josepy.json_util import Field
field = Field('foo')
field = field.encoder(encoder)
self.assertEqual('e', field.encode(mock_value))
field = field.decoder(decoder)
self.assertEqual('e', field.encode(mock_value))
self.assertEqual('d', field.decode(mock_value))
def test_default_encoder_is_partial(self):
class MockField(interfaces.JSONDeSerializable):
# pylint: disable=missing-docstring
def to_partial_json(self):
return 'foo' # pragma: no cover
@classmethod
def from_json(cls, jobj):
pass # pragma: no cover
mock_field = MockField()
from josepy.json_util import Field
self.assertIs(Field.default_encoder(mock_field), mock_field)
# in particular...
self.assertNotEqual('foo', Field.default_encoder(mock_field))
def test_default_encoder_passthrough(self):
mock_value = mock.MagicMock()
from josepy.json_util import Field
self.assertIs(Field.default_encoder(mock_value), mock_value)
def test_default_decoder_list_to_tuple(self):
from josepy.json_util import Field
self.assertEqual((1, 2, 3), Field.default_decoder([1, 2, 3]))
def test_default_decoder_dict_to_frozendict(self):
from josepy.json_util import Field
obj = Field.default_decoder({'x': 2})
self.assertIsInstance(obj, util.frozendict)
self.assertEqual(obj, util.frozendict(x=2))
def test_default_decoder_passthrough(self):
mock_value = mock.MagicMock()
from josepy.json_util import Field
self.assertIs(Field.default_decoder(mock_value), mock_value)
class JSONObjectWithFieldsMetaTest(unittest.TestCase):
"""Tests for josepy.json_util.JSONObjectWithFieldsMeta."""
def setUp(self):
from josepy.json_util import Field
from josepy.json_util import JSONObjectWithFieldsMeta
self.field = Field('Baz')
self.field2 = Field('Baz2')
# pylint: disable=invalid-name,missing-docstring,too-few-public-methods
# pylint: disable=blacklisted-name
class A(object, metaclass=JSONObjectWithFieldsMeta):
__slots__ = ('bar',)
baz = self.field
class B(A):
pass
class C(A):
baz = self.field2
self.a_cls = A
self.b_cls = B
self.c_cls = C
def test_fields(self):
# pylint: disable=protected-access,no-member
self.assertEqual({'baz': self.field}, self.a_cls._fields)
self.assertEqual({'baz': self.field}, self.b_cls._fields)
def test_fields_inheritance(self):
# pylint: disable=protected-access,no-member
self.assertEqual({'baz': self.field2}, self.c_cls._fields)
def test_slots(self):
self.assertEqual(('bar', 'baz'), self.a_cls.__slots__)
self.assertEqual(('baz',), self.b_cls.__slots__)
def test_orig_slots(self):
# pylint: disable=protected-access,no-member
self.assertEqual(('bar',), self.a_cls._orig_slots)
self.assertEqual((), self.b_cls._orig_slots)
class JSONObjectWithFieldsTest(unittest.TestCase):
"""Tests for josepy.json_util.JSONObjectWithFields."""
# pylint: disable=protected-access
def setUp(self):
from josepy.json_util import JSONObjectWithFields
from josepy.json_util import Field
class MockJSONObjectWithFields(JSONObjectWithFields):
# pylint: disable=invalid-name,missing-docstring,no-self-argument
# pylint: disable=too-few-public-methods
x = Field('x', omitempty=True,
encoder=(lambda x: x * 2),
decoder=(lambda x: x / 2))
y = Field('y')
z = Field('Z') # on purpose uppercase
@y.encoder
def y(value):
if value == 500:
raise errors.SerializationError()
return value
@y.decoder
def y(value):
if value == 500:
raise errors.DeserializationError()
return value
# pylint: disable=invalid-name
self.MockJSONObjectWithFields = MockJSONObjectWithFields
self.mock = MockJSONObjectWithFields(x=None, y=2, z=3)
def test_init_defaults(self):
self.assertEqual(self.mock, self.MockJSONObjectWithFields(y=2, z=3))
def test_encode(self):
self.assertEqual(10, self.MockJSONObjectWithFields(
x=5, y=0, z=0).encode("x"))
def test_encode_wrong_field(self):
self.assertRaises(errors.Error, self.mock.encode, 'foo')
def test_encode_serialization_error_passthrough(self):
self.assertRaises(
errors.SerializationError,
self.MockJSONObjectWithFields(y=500, z=None).encode, "y")
def test_fields_to_partial_json_omits_empty(self):
self.assertEqual(self.mock.fields_to_partial_json(), {'y': 2, 'Z': 3})
def test_fields_from_json_fills_default_for_empty(self):
self.assertEqual(
{'x': None, 'y': 2, 'z': 3},
self.MockJSONObjectWithFields.fields_from_json({'y': 2, 'Z': 3}))
def test_fields_from_json_fails_on_missing(self):
self.assertRaises(
errors.DeserializationError,
self.MockJSONObjectWithFields.fields_from_json, {'y': 0})
self.assertRaises(
errors.DeserializationError,
self.MockJSONObjectWithFields.fields_from_json, {'Z': 0})
self.assertRaises(
errors.DeserializationError,
self.MockJSONObjectWithFields.fields_from_json, {'x': 0, 'y': 0})
self.assertRaises(
errors.DeserializationError,
self.MockJSONObjectWithFields.fields_from_json, {'x': 0, 'Z': 0})
def test_fields_to_partial_json_encoder(self):
self.assertEqual(
self.MockJSONObjectWithFields(x=1, y=2, z=3).to_partial_json(),
{'x': 2, 'y': 2, 'Z': 3})
def test_fields_from_json_decoder(self):
self.assertEqual(
{'x': 2, 'y': 2, 'z': 3},
self.MockJSONObjectWithFields.fields_from_json(
{'x': 4, 'y': 2, 'Z': 3}))
def test_fields_to_partial_json_error_passthrough(self):
self.assertRaises(
errors.SerializationError, self.MockJSONObjectWithFields(
x=1, y=500, z=3).to_partial_json)
def test_fields_from_json_error_passthrough(self):
self.assertRaises(
errors.DeserializationError,
self.MockJSONObjectWithFields.from_json,
{'x': 4, 'y': 500, 'Z': 3})
class DeEncodersTest(unittest.TestCase):
def setUp(self):
self.b64_cert = (
u'MIIB3jCCAYigAwIBAgICBTkwDQYJKoZIhvcNAQELBQAwdzELMAkGA1UEBhM'
u'CVVMxETAPBgNVBAgMCE1pY2hpZ2FuMRIwEAYDVQQHDAlBbm4gQXJib3IxKz'
u'ApBgNVBAoMIlVuaXZlcnNpdHkgb2YgTWljaGlnYW4gYW5kIHRoZSBFRkYxF'
u'DASBgNVBAMMC2V4YW1wbGUuY29tMB4XDTE0MTIxMTIyMzQ0NVoXDTE0MTIx'
u'ODIyMzQ0NVowdzELMAkGA1UEBhMCVVMxETAPBgNVBAgMCE1pY2hpZ2FuMRI'
u'wEAYDVQQHDAlBbm4gQXJib3IxKzApBgNVBAoMIlVuaXZlcnNpdHkgb2YgTW'
u'ljaGlnYW4gYW5kIHRoZSBFRkYxFDASBgNVBAMMC2V4YW1wbGUuY29tMFwwD'
u'QYJKoZIhvcNAQEBBQADSwAwSAJBAKx1c7RR7R_drnBSQ_zfx1vQLHUbFLh1'
u'AQQQ5R8DZUXd36efNK79vukFhN9HFoHZiUvOjm0c-pVE6K-EdE_twuUCAwE'
u'AATANBgkqhkiG9w0BAQsFAANBAC24z0IdwIVKSlntksllvr6zJepBH5fMnd'
u'fk3XJp10jT6VE-14KNtjh02a56GoraAvJAT5_H67E8GvJ_ocNnB_o'
)
self.b64_csr = (
u'MIIBXTCCAQcCAQAweTELMAkGA1UEBhMCVVMxETAPBgNVBAgMCE1pY2hpZ2F'
u'uMRIwEAYDVQQHDAlBbm4gQXJib3IxDDAKBgNVBAoMA0VGRjEfMB0GA1UECw'
u'wWVW5pdmVyc2l0eSBvZiBNaWNoaWdhbjEUMBIGA1UEAwwLZXhhbXBsZS5jb'
u'20wXDANBgkqhkiG9w0BAQEFAANLADBIAkEArHVztFHtH92ucFJD_N_HW9As'
u'dRsUuHUBBBDlHwNlRd3fp580rv2-6QWE30cWgdmJS86ObRz6lUTor4R0T-3'
u'C5QIDAQABoCkwJwYJKoZIhvcNAQkOMRowGDAWBgNVHREEDzANggtleGFtcG'
u'xlLmNvbTANBgkqhkiG9w0BAQsFAANBAHJH_O6BtC9aGzEVCMGOZ7z9iIRHW'
u'Szr9x_bOzn7hLwsbXPAgO1QxEwL-X-4g20Gn9XBE1N9W6HCIEut2d8wACg'
)
def test_encode_b64jose(self):
from josepy.json_util import encode_b64jose
encoded = encode_b64jose(b'x')
self.assertIsInstance(encoded, str)
self.assertEqual(u'eA', encoded)
def test_decode_b64jose(self):
from josepy.json_util import decode_b64jose
decoded = decode_b64jose(u'eA')
self.assertIsInstance(decoded, bytes)
self.assertEqual(b'x', decoded)
def test_decode_b64jose_padding_error(self):
from josepy.json_util import decode_b64jose
self.assertRaises(errors.DeserializationError, decode_b64jose, u'x')
def test_decode_b64jose_size(self):
from josepy.json_util import decode_b64jose
self.assertEqual(b'foo', decode_b64jose(u'Zm9v', size=3))
self.assertRaises(
errors.DeserializationError, decode_b64jose, u'Zm9v', size=2)
self.assertRaises(
errors.DeserializationError, decode_b64jose, u'Zm9v', size=4)
def test_decode_b64jose_minimum_size(self):
from josepy.json_util import decode_b64jose
self.assertEqual(b'foo', decode_b64jose(u'Zm9v', size=3, minimum=True))
self.assertEqual(b'foo', decode_b64jose(u'Zm9v', size=2, minimum=True))
self.assertRaises(errors.DeserializationError, decode_b64jose,
u'Zm9v', size=4, minimum=True)
def test_encode_hex16(self):
from josepy.json_util import encode_hex16
encoded = encode_hex16(b'foo')
self.assertEqual(u'666f6f', encoded)
self.assertIsInstance(encoded, str)
def test_decode_hex16(self):
from josepy.json_util import decode_hex16
decoded = decode_hex16(u'666f6f')
self.assertEqual(b'foo', decoded)
self.assertIsInstance(decoded, bytes)
def test_decode_hex16_minimum_size(self):
from josepy.json_util import decode_hex16
self.assertEqual(b'foo', decode_hex16(u'666f6f', size=3, minimum=True))
self.assertEqual(b'foo', decode_hex16(u'666f6f', size=2, minimum=True))
self.assertRaises(errors.DeserializationError, decode_hex16,
u'666f6f', size=4, minimum=True)
def test_decode_hex16_odd_length(self):
from josepy.json_util import decode_hex16
self.assertRaises(errors.DeserializationError, decode_hex16, u'x')
def test_encode_cert(self):
from josepy.json_util import encode_cert
self.assertEqual(self.b64_cert, encode_cert(CERT))
def test_decode_cert(self):
from josepy.json_util import decode_cert
cert = decode_cert(self.b64_cert)
self.assertIsInstance(cert, util.ComparableX509)
self.assertEqual(cert, CERT)
self.assertRaises(errors.DeserializationError, decode_cert, u'')
def test_encode_csr(self):
from josepy.json_util import encode_csr
self.assertEqual(self.b64_csr, encode_csr(CSR))
def test_decode_csr(self):
from josepy.json_util import decode_csr
csr = decode_csr(self.b64_csr)
self.assertIsInstance(csr, util.ComparableX509)
self.assertEqual(csr, CSR)
self.assertRaises(errors.DeserializationError, decode_csr, u'')
class TypedJSONObjectWithFieldsTest(unittest.TestCase):
def setUp(self):
from josepy.json_util import TypedJSONObjectWithFields
# pylint: disable=missing-docstring,abstract-method
# pylint: disable=too-few-public-methods
class MockParentTypedJSONObjectWithFields(TypedJSONObjectWithFields):
TYPES = {}
type_field_name = 'type'
@MockParentTypedJSONObjectWithFields.register
class MockTypedJSONObjectWithFields(
MockParentTypedJSONObjectWithFields):
typ = 'test'
__slots__ = ('foo',)
@classmethod
def fields_from_json(cls, jobj):
return {'foo': jobj['foo']}
def fields_to_partial_json(self):
return {'foo': self.foo}
self.parent_cls = MockParentTypedJSONObjectWithFields
self.msg = MockTypedJSONObjectWithFields(foo='bar')
def test_to_partial_json(self):
self.assertEqual(self.msg.to_partial_json(), {
'type': 'test',
'foo': 'bar',
})
def test_from_json_non_dict_fails(self):
for value in [[], (), 5, "asd"]: # all possible input types
self.assertRaises(
errors.DeserializationError, self.parent_cls.from_json, value)
def test_from_json_dict_no_type_fails(self):
self.assertRaises(
errors.DeserializationError, self.parent_cls.from_json, {})
def test_from_json_unknown_type_fails(self):
self.assertRaises(errors.UnrecognizedTypeError,
self.parent_cls.from_json, {'type': 'bar'})
def test_from_json_returns_obj(self):
self.assertEqual({'foo': 'bar'}, self.parent_cls.from_json(
{'type': 'test', 'foo': 'bar'}))
if __name__ == '__main__':
unittest.main() # pragma: no cover
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