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# Copyright (c) 2016 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 shutil
import tempfile
import testtools
from kmip.core import enums
from kmip.core import policy
class TestPolicy(testtools.TestCase):
def setUp(self):
super(TestPolicy, self).setUp()
self.temp_dir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.temp_dir)
def tearDown(self):
super(TestPolicy, self).tearDown()
def test_parse_policy(self):
"""
Test that parsing a text-based policy works correctly.
"""
object_policy = {"CERTIFICATE": {"LOCATE": "ALLOW_ALL"}}
observed = policy.parse_policy(object_policy)
expected = {
enums.ObjectType.CERTIFICATE: {
enums.Operation.LOCATE: enums.Policy.ALLOW_ALL
}
}
self.assertEqual(expected, observed)
def test_parse_policy_with_bad_object_type(self):
"""
Test that policy parsing correctly handles an invalid object type
string.
"""
object_policy = {"INVALID": {"LOCATE": "ALLOW_ALL"}}
args = (object_policy, )
regex = "'INVALID' is not a valid ObjectType value."
self.assertRaisesRegex(
ValueError,
regex,
policy.parse_policy,
*args
)
def test_parse_policy_with_bad_operation(self):
"""
Test that policy parsing correctly handles an invalid operation string.
"""
object_policy = {"CERTIFICATE": {"INVALID": "ALLOW_ALL"}}
args = (object_policy, )
regex = "'INVALID' is not a valid Operation value."
self.assertRaisesRegex(
ValueError,
regex,
policy.parse_policy,
*args
)
def test_parse_policy_with_bad_permission(self):
"""
Test that policy parsing correctly handles an invalid permission
string.
"""
object_policy = {"CERTIFICATE": {"LOCATE": "INVALID"}}
args = (object_policy, )
regex = "'INVALID' is not a valid Policy value."
self.assertRaisesRegex(
ValueError,
regex,
policy.parse_policy,
*args
)
def test_read_policy_from_file(self):
"""
Test that reading a policy file works correctly.
"""
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {'
'"groups": {"group_A": {"SPLIT_KEY": {"GET": "ALLOW_ALL"}}}, '
'"preset": {"SPLIT_KEY": {"GET": "ALLOW_ALL"}}}'
'}'
)
policies = policy.read_policy_from_file(policy_file.name)
self.assertEqual(1, len(policies))
self.assertIn('test', policies.keys())
expected = {
'groups': {
'group_A': {
enums.ObjectType.SPLIT_KEY: {
enums.Operation.GET: enums.Policy.ALLOW_ALL
}
}
},
'preset': {
enums.ObjectType.SPLIT_KEY: {
enums.Operation.GET: enums.Policy.ALLOW_ALL
}
}
}
self.assertEqual(expected, policies.get('test'))
def test_read_policy_from_file_groups_only(self):
"""
Test that reading a policy file with only a groups section works
correctly.
"""
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": '
'{"groups": {"group_A": {"SPLIT_KEY": {"GET": "ALLOW_ALL"}}}}}'
)
policies = policy.read_policy_from_file(policy_file.name)
self.assertEqual(1, len(policies))
self.assertIn('test', policies.keys())
expected = {
'groups': {
'group_A': {
enums.ObjectType.SPLIT_KEY: {
enums.Operation.GET: enums.Policy.ALLOW_ALL
}
}
}
}
self.assertEqual(expected, policies.get('test'))
def test_read_policy_from_file_default_only(self):
"""
Test that reading a policy file with only a preset section works
correctly.
"""
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": '
'{"preset": {"SPLIT_KEY": {"GET": "ALLOW_ALL"}}}}'
)
policies = policy.read_policy_from_file(policy_file.name)
self.assertEqual(1, len(policies))
self.assertIn('test', policies.keys())
expected = {
'preset': {
enums.ObjectType.SPLIT_KEY: {
enums.Operation.GET: enums.Policy.ALLOW_ALL
}
}
}
self.assertEqual(expected, policies.get('test'))
def test_read_policy_from_file_invalid_section(self):
"""
Test that reading a policy file with an invalid section generates
the right error.
"""
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {'
'"invalid": {"group_A": {"SPLIT_KEY": {"GET": "ALLOW_ALL"}}}}}'
)
args = (policy_file.name, )
regex = "Policy 'test' contains an invalid section named: invalid"
self.assertRaisesRegex(
ValueError,
regex,
policy.read_policy_from_file,
*args
)
def test_read_policy_from_file_legacy(self):
"""
Test that reading a legacy policy file works correctly.
Note: legacy policy file support may be removed in the future.
"""
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {"CERTIFICATE": {"LOCATE": "ALLOW_ALL"}}}'
)
policies = policy.read_policy_from_file(policy_file.name)
self.assertEqual(1, len(policies))
self.assertIn('test', policies.keys())
expected = {
'preset': {
enums.ObjectType.CERTIFICATE: {
enums.Operation.LOCATE: enums.Policy.ALLOW_ALL
}
}
}
self.assertEqual(expected, policies.get('test'))
def test_read_policy_from_file_empty(self):
"""
Test that reading an empty policy file generates the right error.
"""
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write('')
args = (policy_file.name, )
regex = "Loading the policy file '{}' generated a JSON error:".format(
policy_file.name
)
self.assertRaisesRegex(
ValueError,
regex,
policy.read_policy_from_file,
*args
)
def test_read_policy_from_file_empty_policy(self):
"""
Test that reading a file with an empty policy is handled correctly.
"""
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {}}'
)
policies = policy.read_policy_from_file(policy_file.name)
self.assertEqual(0, len(policies))
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