def _test_read(self, stream, hashing_algorithm, digest_value,
key_format_type):
digest = Digest()
digest.read(stream)
msg = "hashing algorithm encoding mismatch"
msg += "; expected {0}, observed {1}".format(
hashing_algorithm,
digest.hashing_algorithm)
self.assertEqual(
hashing_algorithm,
digest.hashing_algorithm, msg)
msg = "digest value encoding mismatch"
msg += "; expected {0}, observed {1}".format(
digest_value,
digest.digest_value)
self.assertEqual(
digest_value,
digest.digest_value, msg)
msg = "key format type encoding mismatch"
msg += "; expected {0}, observed {1}".format(
key_format_type,
digest.key_format_type)
self.assertEqual(
key_format_type,
digest.key_format_type, msg)
def test_equal_on_equal_and_empty(self):
"""
Test that the equality operator returns True when comparing two Digest
objects with no internal data.
"""
a = Digest()
b = Digest()
self.assertTrue(a == b)
self.assertTrue(b == a)
def test_not_equal_on_equal_and_empty(self):
"""
Test that the inequality operator returns False when comparing two
Digest objects with no internal data.
"""
a = Digest()
b = Digest()
self.assertFalse(a != b)
self.assertFalse(b != a)
def test_equal_on_not_equal(self):
"""
Test that the equality operator returns False when comparing two
Digest objects with different sets of internal data.
"""
a = Digest(hashing_algorithm=self.hashing_algorithm_b,
digest_value=self.digest_value_b,
key_format_type=self.key_format_type_b)
b = Digest()
self.assertFalse(a == b)
self.assertFalse(b == a)
def test_not_equal_on_equal(self):
"""
Test that the inequality operator returns False when comparing two
Digest objects with the same internal data.
"""
a = Digest(hashing_algorithm=self.hashing_algorithm_b,
digest_value=self.digest_value_b,
key_format_type=self.key_format_type_b)
b = Digest(hashing_algorithm=self.hashing_algorithm_b,
digest_value=self.digest_value_b,
key_format_type=self.key_format_type_b)
self.assertFalse(a != b)
self.assertFalse(b != a)
def test_init_with_args(self):
"""
Test that a Digest object can be constructed with valid values.
"""
Digest(hashing_algorithm=HashingAlgorithm(),
digest_value=DigestValue(),
key_format_type=KeyFormatType())
def _test_str(self, value, expected):
digest = Digest(digest_value=value)
observed = str(digest)
msg = "expected {0}, observed {1}".format(expected, observed)
self.assertEqual(expected, observed, msg)
def test_not_equal_on_not_equal(self):
"""
Test that the inequality operator returns True when comparing two
Digest objects with the different sets of internal data.
"""
a = Digest(hashing_algorithm=self.hashing_algorithm_b,
digest_value=self.digest_value_b,
key_format_type=self.key_format_type_b)
b = Digest()
c = Digest(hashing_algorithm=self.hashing_algorithm_d,
digest_value=self.digest_value_b,
key_format_type=self.key_format_type_c)
d = Digest(key_format_type=self.key_format_type_c)
self.assertTrue(a != b)
self.assertTrue(b != a)
self.assertTrue(b != c)
self.assertTrue(b != d)
def _test_read(self, stream, hashing_algorithm, digest_value,
key_format_type):
digest = Digest()
digest.read(stream)
msg = "hashing algorithm encoding mismatch"
msg += "; expected {0}, observed {1}".format(hashing_algorithm,
digest.hashing_algorithm)
self.assertEqual(hashing_algorithm, digest.hashing_algorithm, msg)
msg = "digest value encoding mismatch"
msg += "; expected {0}, observed {1}".format(digest_value,
digest.digest_value)
self.assertEqual(digest_value, digest.digest_value, msg)
msg = "key format type encoding mismatch"
msg += "; expected {0}, observed {1}".format(key_format_type,
digest.key_format_type)
self.assertEqual(key_format_type, digest.key_format_type, msg)
def _test_write(self, stream_expected, hashing_algorithm, digest_value,
key_format_type):
stream_observed = BytearrayStream()
digest = Digest(hashing_algorithm=hashing_algorithm,
digest_value=digest_value,
key_format_type=key_format_type)
digest.write(stream_observed)
length_expected = len(stream_expected)
length_observed = len(stream_observed)
msg = "encoding lengths not equal"
msg += "; expected {0}, observed {1}".format(length_expected,
length_observed)
self.assertEqual(length_expected, length_observed, msg)
msg = "encoding mismatch"
msg += ";\nexpected:\n{0}\nobserved:\n{1}".format(
stream_expected, stream_observed)
self.assertEqual(stream_expected, stream_observed, msg)
def test_create_with_defaults(self):
"""
Test that a Digest object can be built using the create class method
with no arguments.
"""
digest = Digest.create()
hashing_algorithm = HashingAlgorithmEnum.SHA_256
digest_value = b''
key_format_type = KeyFormatTypeEnum.RAW
self._test_create(digest, hashing_algorithm, digest_value,
key_format_type)
def test_create_with_defaults(self):
"""
Test that a Digest object can be built using the create class method
with no arguments.
"""
digest = Digest.create()
hashing_algorithm = HashingAlgorithmEnum.SHA_256
digest_value = b''
key_format_type = KeyFormatTypeEnum.RAW
self._test_create(digest, hashing_algorithm, digest_value,
key_format_type)
def test_not_equal_on_type_mismatch(self):
"""
Test that the inequality operator returns True when comparing an
Digest object with a non-ExtensionInformation object.
"""
a = Digest(hashing_algorithm=self.hashing_algorithm_b,
digest_value=self.digest_value_b,
key_format_type=self.key_format_type_b)
b = "invalid"
self.assertTrue(a != b)
self.assertTrue(b != a)
def test_equal_on_type_mismatch(self):
"""
Test that the equality operator returns False when comparing a Digest
object with a non-Digest object.
"""
a = Digest(hashing_algorithm=self.hashing_algorithm_b,
digest_value=self.digest_value_b,
key_format_type=self.key_format_type_b)
b = "invalid"
self.assertFalse(a == b)
self.assertFalse(b == a)
def _test_write(self, stream_expected, hashing_algorithm, digest_value,
key_format_type):
stream_observed = BytearrayStream()
digest = Digest(
hashing_algorithm=hashing_algorithm,
digest_value=digest_value,
key_format_type=key_format_type)
digest.write(stream_observed)
length_expected = len(stream_expected)
length_observed = len(stream_observed)
msg = "encoding lengths not equal"
msg += "; expected {0}, observed {1}".format(
length_expected, length_observed)
self.assertEqual(length_expected, length_observed, msg)
msg = "encoding mismatch"
msg += ";\nexpected:\n{0}\nobserved:\n{1}".format(
stream_expected, stream_observed)
self.assertEqual(stream_expected, stream_observed, msg)
def test_create_with_args(self):
"""
Test that a Digest object can be built using the create class method
with arguments.
"""
hashing_algorithm = HashingAlgorithmEnum.MD5
digest_value = b'\x00\x01\x02\x03'
key_format_type = KeyFormatTypeEnum.PKCS_1
digest = Digest.create(hashing_algorithm, digest_value,
key_format_type)
self._test_create(digest, hashing_algorithm, digest_value,
key_format_type)
def test_create_with_args(self):
"""
Test that a Digest object can be built using the create class method
with arguments.
"""
hashing_algorithm = HashingAlgorithmEnum.MD5
digest_value = b'\x00\x01\x02\x03'
key_format_type = KeyFormatTypeEnum.PKCS_1
digest = Digest.create(hashing_algorithm, digest_value,
key_format_type)
self._test_create(digest, hashing_algorithm, digest_value,
key_format_type)
def test_repr(self):
"""
Test that the representation of a Digest object with data is formatted
properly.
"""
hashing_algorithm = HashingAlgorithm(HashingAlgorithmEnum.MD5)
digest_value = DigestValue(b'\x00\x01\x02\x03')
key_format_type = KeyFormatType(KeyFormatTypeEnum.RAW)
digest = Digest(hashing_algorithm=hashing_algorithm,
digest_value=digest_value,
key_format_type=key_format_type)
hashing_algorithm = "hashing_algorithm={0}".format(
repr(hashing_algorithm))
digest_value = "digest_value={0}".format(repr(digest_value))
key_format_type = "key_format_type={0}".format(repr(key_format_type))
expected = "Digest({0}, {1}, {2})".format(hashing_algorithm,
digest_value,
key_format_type)
observed = repr(digest)
msg = "expected:\n{0},\nobserved:\n{1}".format(expected, observed)
self.assertEqual(expected, observed, msg)
def test_init_with_none(self):
"""
Test that a Digest object can be constructed with no specified values.
"""
Digest()
