os-service-types/os_service_types/tests/test_warn.py

65 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
# 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.
"""
test_warn
---------
Tests for warnings
"""
import warnings
import os_service_types
from os_service_types import exc
from os_service_types.tests import base
class TestWarnOn(base.TestCase):
def setUp(self):
super(TestWarnOn, self).setUp()
# Cause all warnings to always be triggered.
warnings.simplefilter("always")
self.service_types = os_service_types.ServiceTypes(warn=True)
def test_warning_emitted_on_alias(self):
with warnings.catch_warnings(record=True) as w:
self.service_types.get_service_type('volumev2')
self.assertEqual(1, len(w))
self.assertTrue(issubclass(w[-1].category, exc.AliasUsageWarning))
def test_warning_not_emitted_on_official(self):
with warnings.catch_warnings(record=True) as w:
self.service_types.get_service_type('block-storage')
self.assertEqual(0, len(w))
class TestWarnOff(base.TestCase):
def setUp(self):
super(TestWarnOff, self).setUp()
# Cause all warnings to always be triggered.
warnings.simplefilter("always")
self.service_types = os_service_types.ServiceTypes()
def test_warning_not_emitted_on_alias(self):
with warnings.catch_warnings(record=True) as w:
self.service_types.get_service_type('volumev2')
self.assertEqual(0, len(w))
def test_warning_not_emitted_on_official(self):
with warnings.catch_warnings(record=True) as w:
self.service_types.get_service_type('block-storage')
self.assertEqual(0, len(w))