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# Copyright (c) 2015 VMware, Inc.
# 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.
"""
Unit tests for exceptions module.
"""
import mock
from oslo_vmware._i18n import _
from oslo_vmware import exceptions
from oslo_vmware.tests import base
class ExceptionsTest(base.TestCase):
def test_exception_summary_exception_as_list(self):
# assert that if a list is fed to the VimException object
# that it will error.
self.assertRaises(ValueError,
exceptions.VimException,
[], ValueError('foo'))
def test_exception_summary_string(self):
e = exceptions.VimException(_("string"), ValueError("foo"))
string = str(e)
self.assertEqual("string\nCause: foo", string)
def test_vim_fault_exception_string(self):
self.assertRaises(ValueError,
exceptions.VimFaultException,
"bad", ValueError("argument"))
def test_vim_fault_exception(self):
vfe = exceptions.VimFaultException([ValueError("example")], _("cause"))
string = str(vfe)
self.assertIn(string, ["cause\nFaults: [ValueError('example',)]",
"cause\nFaults: [ValueError('example')]"])
def test_vim_fault_exception_with_cause_and_details(self):
vfe = exceptions.VimFaultException([ValueError("example")],
"MyMessage",
"FooBar",
{'foo': 'bar'})
string = str(vfe)
self.assertIn(string, ["MyMessage\n"
"Cause: FooBar\n"
"Faults: [ValueError('example',)]\n"
"Details: {'foo': 'bar'}",
"MyMessage\n"
"Cause: FooBar\n"
"Faults: [ValueError('example')]\n"
"Details: {'foo': 'bar'}"])
def _create_subclass_exception(self):
class VimSubClass(exceptions.VimException):
pass
return VimSubClass
def test_register_fault_class(self):
exc = self._create_subclass_exception()
exceptions.register_fault_class('ValueError', exc)
self.assertEqual(exc, exceptions.get_fault_class('ValueError'))
def test_register_fault_class_override(self):
exc = self._create_subclass_exception()
exceptions.register_fault_class(exceptions.ALREADY_EXISTS, exc)
self.assertEqual(exc,
exceptions.get_fault_class(exceptions.ALREADY_EXISTS))
def test_register_fault_class_invalid(self):
self.assertRaises(TypeError,
exceptions.register_fault_class,
'ValueError', ValueError)
def test_log_exception_to_string(self):
self.assertEqual('Insufficient disk space.',
str(exceptions.NoDiskSpaceException()))
def test_get_fault_class(self):
self.assertEqual(exceptions.AlreadyExistsException,
exceptions.get_fault_class("AlreadyExists"))
self.assertEqual(exceptions.CannotDeleteFileException,
exceptions.get_fault_class("CannotDeleteFile"))
self.assertEqual(exceptions.FileAlreadyExistsException,
exceptions.get_fault_class("FileAlreadyExists"))
self.assertEqual(exceptions.FileFaultException,
exceptions.get_fault_class("FileFault"))
self.assertEqual(exceptions.FileLockedException,
exceptions.get_fault_class("FileLocked"))
self.assertEqual(exceptions.FileNotFoundException,
exceptions.get_fault_class("FileNotFound"))
self.assertEqual(exceptions.InvalidPowerStateException,
exceptions.get_fault_class("InvalidPowerState"))
self.assertEqual(exceptions.InvalidPropertyException,
exceptions.get_fault_class("InvalidProperty"))
self.assertEqual(exceptions.NoPermissionException,
exceptions.get_fault_class("NoPermission"))
self.assertEqual(exceptions.NotAuthenticatedException,
exceptions.get_fault_class("NotAuthenticated"))
self.assertEqual(exceptions.TaskInProgress,
exceptions.get_fault_class("TaskInProgress"))
self.assertEqual(exceptions.DuplicateName,
exceptions.get_fault_class("DuplicateName"))
self.assertEqual(exceptions.NoDiskSpaceException,
exceptions.get_fault_class("NoDiskSpace"))
self.assertEqual(exceptions.ToolsUnavailableException,
exceptions.get_fault_class("ToolsUnavailable"))
self.assertEqual(exceptions.ManagedObjectNotFoundException,
exceptions.get_fault_class("ManagedObjectNotFound"))
# Test unknown fault.
self.assertIsNone(exceptions.get_fault_class("NotAFile"))
def test_translate_fault(self):
def fake_task(fault_class_name, error_msg=None):
task_info = mock.Mock()
task_info.localizedMessage = error_msg
if fault_class_name:
error_fault = mock.Mock()
error_fault.__class__.__name__ = fault_class_name
task_info.fault = error_fault
return task_info
error_msg = "OUCH"
task = fake_task(exceptions.FILE_LOCKED, error_msg)
actual = exceptions.translate_fault(task)
expected = exceptions.FileLockedException(error_msg)
self.assertEqual(expected.__class__, actual.__class__)
self.assertEqual(expected.message, actual.message)
error_msg = "Oopsie"
task = fake_task(None, error_msg)
actual = exceptions.translate_fault(task)
expected = exceptions.VimFaultException(['Mock'], message=error_msg)
self.assertEqual(expected.__class__, actual.__class__)
self.assertEqual(expected.message, actual.message)
self.assertEqual(expected.fault_list, actual.fault_list)
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