deb-python-pykmip/kmip/tests/unit/core/primitives/test_enumeration.py

284 lines
9.8 KiB
Python

# Copyright (c) 2015 The Johns Hopkins University/Applied Physics Laboratory
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import enum as enumeration
import testtools
from kmip.core import enums
from kmip.core import exceptions
from kmip.core import primitives
from kmip.core import utils
# flake8: noqa
class DummyEnumeration(enumeration.Enum):
SMALL = primitives.Enumeration.MIN
TOO_SMALL = primitives.Enumeration.MIN - 1
LARGE = primitives.Enumeration.MAX
TOO_LARGE = primitives.Enumeration.MAX + 1
INVALID = 'invalid'
class TestEnumeration(testtools.TestCase):
def setUp(self):
super(TestEnumeration, self).setUp()
self.encoding = (
b'\x42\x00\x00\x05\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00'
b'\x00')
self.encoding_bad_length = (
b'\x42\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
b'\x00')
self.encoding_bad_padding = (
b'\x42\x00\x00\x05\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00'
b'\xFF')
def tearDown(self):
super(TestEnumeration, self).tearDown()
def test_init(self):
"""
Test that an Enumeration can be instantiated.
"""
enum = primitives.Enumeration(
DummyEnumeration, DummyEnumeration.SMALL,
enums.Tags.ACTIVATION_DATE)
self.assertEqual(DummyEnumeration, enum.enum)
self.assertEqual(DummyEnumeration.SMALL, enum.value)
self.assertEqual(enums.Tags.ACTIVATION_DATE, enum.tag)
def test_init_unset(self):
"""
Test that an Enumeration can be instantiated with no input.
"""
enum = primitives.Enumeration(DummyEnumeration)
self.assertEqual(DummyEnumeration, enum.enum)
self.assertEqual(None, enum.value)
self.assertEqual(enums.Tags.DEFAULT, enum.tag)
def test_validate_on_invalid_enum_type(self):
"""
Test that a TypeError is thrown on input of invalid enum type
(e.g., str).
"""
args = ['invalid']
kwargs = {'value': enums.Tags.DEFAULT}
self.assertRaises(TypeError, primitives.Enumeration, *args, **kwargs)
def test_validate_on_invalid_enum_value_type(self):
"""
Test that a TypeError is thrown on input of invalid enum value type.
"""
args = [DummyEnumeration]
kwargs = {'value': enums.Tags.DEFAULT}
self.assertRaises(TypeError, primitives.Enumeration, *args, **kwargs)
def test_validate_on_invalid_value_type(self):
"""
Test that a TypeError is thrown on input of invalid value type
(e.g., str).
"""
args = [DummyEnumeration]
kwargs = {'value': DummyEnumeration.INVALID}
self.assertRaises(TypeError, primitives.Enumeration, *args, **kwargs)
def test_validate_on_invalid_value_too_big(self):
"""
Test that a ValueError is thrown on input that is too large.
"""
args = [DummyEnumeration]
kwargs = {'value': DummyEnumeration.TOO_LARGE}
self.assertRaises(ValueError, primitives.Enumeration, *args, **kwargs)
def test_validate_on_invalid_value_too_small(self):
"""
Test that a ValueError is thrown on input that is too small.
"""
args = [DummyEnumeration]
kwargs = {'value': DummyEnumeration.TOO_SMALL}
self.assertRaises(ValueError, primitives.Enumeration, *args, **kwargs)
def test_read(self):
"""
Test that an Enumeration can be read from a byte stream.
"""
stream = utils.BytearrayStream(self.encoding)
enum = primitives.Enumeration(DummyEnumeration)
enum.read(stream)
self.assertEqual(DummyEnumeration.SMALL, enum.value)
def test_read_on_invalid_length(self):
"""
Test that an InvalidPrimitiveLength exception is thrown when attempting
to decode an Enumeration with an invalid length.
"""
stream = utils.BytearrayStream(self.encoding_bad_length)
enum = primitives.Enumeration(enums.Tags)
self.assertRaises(exceptions.InvalidPrimitiveLength, enum.read, stream)
def test_read_on_invalid_padding(self):
"""
Test that an InvalidPrimitiveLength exception is thrown when attempting
to decode an Enumeration with invalid padding bytes.
"""
stream = utils.BytearrayStream(self.encoding_bad_padding)
enum = primitives.Enumeration(enums.Types)
self.assertRaises(exceptions.InvalidPaddingBytes, enum.read, stream)
def test_write(self):
"""
Test that an Enumeration can be written to a byte stream.
"""
stream = utils.BytearrayStream()
enum = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
enum.write(stream)
result = stream.read()
self.assertEqual(len(self.encoding), len(result))
self.assertEqual(self.encoding, result)
def test_repr(self):
"""
Test that the representation of an Enumeration is formatted properly.
"""
enum = "enum={0}".format(DummyEnumeration.__name__)
value = "value={0}".format(DummyEnumeration.SMALL)
tag = "tag={0}".format(enums.Tags.DEFAULT)
r = "Enumeration({0}, {1}, {2})".format(enum, value, tag)
enum = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
self.assertEqual(r, repr(enum))
def test_str(self):
"""
Test that the string representation of an Enumeration is formatted
properly.
"""
enum = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
self.assertEqual(str(DummyEnumeration.SMALL), str(enum.value))
def test_equal_on_equal(self):
"""
Test that the equality operator returns True when comparing two
Enumerations.
"""
a = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
b = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
self.assertTrue(a == b)
self.assertTrue(b == a)
def test_equal_on_equal_and_empty(self):
"""
Test that the equality operator returns True when comparing two
Enumerations.
"""
a = primitives.Enumeration(DummyEnumeration)
b = primitives.Enumeration(DummyEnumeration)
self.assertTrue(a == b)
self.assertTrue(b == a)
def test_equal_on_not_equal(self):
"""
Test that the equality operator returns False when comparing two
Enumerations with different values.
"""
a = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
b = primitives.Enumeration(DummyEnumeration, DummyEnumeration.LARGE)
self.assertFalse(a == b)
self.assertFalse(b == a)
def test_equal_on_not_equal_enum(self):
"""
Test that the equality operator returns False when comparing two
Enumerations with different enum types.
"""
a = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
b = primitives.Enumeration(enums.Tags, enums.Tags.DEFAULT)
self.assertFalse(a == b)
self.assertFalse(b == a)
def test_equal_on_type_mismatch(self):
"""
Test that the equality operator returns False when comparing a
Enumeration to a non-Enumeration object.
"""
a = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
b = 'invalid'
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 Enumerations with the same values.
"""
a = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
b = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
self.assertFalse(a != b)
self.assertFalse(b != a)
def test_not_equal_on_equal_and_empty(self):
"""
Test that the inequality operator returns False when comparing
two Enumerations.
"""
a = primitives.Enumeration(DummyEnumeration)
b = primitives.Enumeration(DummyEnumeration)
self.assertFalse(a != b)
self.assertFalse(b != a)
def test_not_equal_on_not_equal(self):
"""
Test that the inequality operator returns True when comparing two
Enumerations with different values.
"""
a = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
b = primitives.Enumeration(DummyEnumeration, DummyEnumeration.LARGE)
self.assertTrue(a != b)
self.assertTrue(b != a)
def test_not_equal_on_not_equal_enum(self):
"""
Test that the equality operator returns True when comparing two
Enumerations with different enum types.
"""
a = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
b = primitives.Enumeration(enums.Tags, enums.Tags.DEFAULT)
self.assertTrue(a != b)
self.assertTrue(b != a)
def test_not_equal_on_type_mismatch(self):
"""
Test that the inequality operator returns True when comparing a
Enumeration to a non-Enumeration object.
"""
a = primitives.Enumeration(DummyEnumeration, DummyEnumeration.SMALL)
b = 'invalid'
self.assertTrue(a != b)
self.assertTrue(b != a)