4e24fd614b
Now that we no longer support py27, we can use the standard library unittest.mock module instead of the third party mock lib. Change-Id: Ia41326a601dfd72750bd81c3ebee9ec5884ad91b Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
277 lines
11 KiB
Python
277 lines
11 KiB
Python
# Copyright 2016 Mirantis
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from unittest import mock
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import ddt
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import six
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from cinderclient import api_versions
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from cinderclient import client as base_client
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from cinderclient import exceptions
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from cinderclient.tests.unit import test_utils
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from cinderclient.tests.unit import utils
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from cinderclient.v3 import client
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@ddt.ddt
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class APIVersionTestCase(utils.TestCase):
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def test_valid_version_strings(self):
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def _test_string(version, exp_major, exp_minor):
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v = api_versions.APIVersion(version)
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self.assertEqual(v.ver_major, exp_major)
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self.assertEqual(v.ver_minor, exp_minor)
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_test_string("1.1", 1, 1)
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_test_string("2.10", 2, 10)
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_test_string("5.234", 5, 234)
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_test_string("12.5", 12, 5)
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_test_string("2.0", 2, 0)
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_test_string("2.200", 2, 200)
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def test_null_version(self):
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v = api_versions.APIVersion()
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self.assertFalse(v)
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def test_not_null_version(self):
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v = api_versions.APIVersion('1.1')
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self.assertTrue(v)
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@ddt.data("2", "200", "2.1.4", "200.23.66.3", "5 .3", "5. 3", "5.03",
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"02.1", "2.001", "", " 2.1", "2.1 ")
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def test_invalid_version_strings(self, version_string):
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self.assertRaises(exceptions.UnsupportedVersion,
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api_versions.APIVersion, version_string)
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def test_version_comparisons(self):
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v1 = api_versions.APIVersion("2.0")
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v2 = api_versions.APIVersion("2.5")
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v3 = api_versions.APIVersion("5.23")
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v4 = api_versions.APIVersion("2.0")
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v_null = api_versions.APIVersion()
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self.assertLess(v1, v2)
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self.assertGreater(v3, v2)
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self.assertNotEqual(v1, v2)
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self.assertEqual(v1, v4)
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self.assertNotEqual(v1, v_null)
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self.assertEqual(v_null, v_null)
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self.assertRaises(TypeError, v1.__le__, "2.1")
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def test_version_matches(self):
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v1 = api_versions.APIVersion("2.0")
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v2 = api_versions.APIVersion("2.5")
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v3 = api_versions.APIVersion("2.45")
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v4 = api_versions.APIVersion("3.3")
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v5 = api_versions.APIVersion("3.23")
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v6 = api_versions.APIVersion("2.0")
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v7 = api_versions.APIVersion("3.3")
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v8 = api_versions.APIVersion("4.0")
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v_null = api_versions.APIVersion()
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self.assertTrue(v2.matches(v1, v3))
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self.assertTrue(v2.matches(v1, v_null))
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self.assertTrue(v1.matches(v6, v2))
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self.assertTrue(v4.matches(v2, v7))
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self.assertTrue(v4.matches(v_null, v7))
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self.assertTrue(v4.matches(v_null, v8))
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self.assertFalse(v1.matches(v2, v3))
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self.assertFalse(v5.matches(v2, v4))
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self.assertFalse(v2.matches(v3, v1))
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self.assertRaises(ValueError, v_null.matches, v1, v3)
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def test_get_string(self):
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v1_string = "3.23"
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v1 = api_versions.APIVersion(v1_string)
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self.assertEqual(v1_string, v1.get_string())
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self.assertRaises(ValueError,
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api_versions.APIVersion().get_string)
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class ManagerTest(utils.TestCase):
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def test_api_version(self):
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# The function manager.return_api_version has two versions,
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# when called with api version 3.1 it should return the
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# string '3.1' and when called with api version 3.2 or higher
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# it should return the string '3.2'.
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version = api_versions.APIVersion('3.1')
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api = client.Client(api_version=version)
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manager = test_utils.FakeManagerWithApi(api)
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self.assertEqual('3.1', manager.return_api_version())
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version = api_versions.APIVersion('3.2')
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api = client.Client(api_version=version)
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manager = test_utils.FakeManagerWithApi(api)
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self.assertEqual('3.2', manager.return_api_version())
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# pick up the highest version
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version = api_versions.APIVersion('3.3')
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api = client.Client(api_version=version)
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manager = test_utils.FakeManagerWithApi(api)
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self.assertEqual('3.2', manager.return_api_version())
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version = api_versions.APIVersion('3.0')
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api = client.Client(api_version=version)
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manager = test_utils.FakeManagerWithApi(api)
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# An exception will be returned here because the function
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# return_api_version doesn't support version 3.0
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self.assertRaises(exceptions.VersionNotFoundForAPIMethod,
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manager.return_api_version)
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class UpdateHeadersTestCase(utils.TestCase):
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def test_api_version_is_null(self):
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headers = {}
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api_versions.update_headers(headers, api_versions.APIVersion())
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self.assertEqual({}, headers)
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def test_api_version_is_major(self):
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headers = {}
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api_versions.update_headers(headers, api_versions.APIVersion("7.0"))
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self.assertEqual({}, headers)
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def test_api_version_is_not_null(self):
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api_version = api_versions.APIVersion("2.3")
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headers = {}
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api_versions.update_headers(headers, api_version)
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self.assertEqual(
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{"OpenStack-API-Version": "volume " + api_version.get_string()},
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headers)
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class GetAPIVersionTestCase(utils.TestCase):
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def test_get_available_client_versions(self):
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output = api_versions.get_available_major_versions()
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self.assertNotEqual([], output)
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def test_wrong_format(self):
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self.assertRaises(exceptions.UnsupportedVersion,
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api_versions.get_api_version, "something_wrong")
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def test_wrong_major_version(self):
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self.assertRaises(exceptions.UnsupportedVersion,
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api_versions.get_api_version, "4")
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@mock.patch("cinderclient.api_versions.get_available_major_versions")
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@mock.patch("cinderclient.api_versions.APIVersion")
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def test_only_major_part_is_presented(self, mock_apiversion,
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mock_get_majors):
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mock_get_majors.return_value = [
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str(mock_apiversion.return_value.ver_major)]
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version = 7
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self.assertEqual(mock_apiversion.return_value,
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api_versions.get_api_version(version))
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mock_apiversion.assert_called_once_with("%s.0" % str(version))
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@mock.patch("cinderclient.api_versions.get_available_major_versions")
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@mock.patch("cinderclient.api_versions.APIVersion")
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def test_major_and_minor_parts_is_presented(self, mock_apiversion,
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mock_get_majors):
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version = "2.7"
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mock_get_majors.return_value = [
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str(mock_apiversion.return_value.ver_major)]
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self.assertEqual(mock_apiversion.return_value,
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api_versions.get_api_version(version))
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mock_apiversion.assert_called_once_with(version)
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@ddt.ddt
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class DiscoverVersionTestCase(utils.TestCase):
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def setUp(self):
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super(DiscoverVersionTestCase, self).setUp()
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self.orig_max = api_versions.MAX_VERSION
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self.orig_min = api_versions.MIN_VERSION or None
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self.addCleanup(self._clear_fake_version)
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self.fake_client = mock.MagicMock()
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def _clear_fake_version(self):
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api_versions.MAX_VERSION = self.orig_max
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api_versions.MIN_VERSION = self.orig_min
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def _mock_returned_server_version(self, server_version,
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server_min_version):
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version_mock = mock.MagicMock(version=server_version,
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min_version=server_min_version,
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status='CURRENT')
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val = [version_mock]
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if not server_version and not server_min_version:
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val = []
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self.fake_client.services.server_api_version.return_value = val
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@ddt.data(
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("3.1", "3.3", "3.4", "3.7", "3.3", True), # Server too new
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("3.9", "3.10", "3.0", "3.3", "3.10", True), # Server too old
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("3.3", "3.9", "3.7", "3.17", "3.9", False), # Requested < server
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# downgraded because of server:
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("3.5", "3.8", "3.0", "3.7", "3.8", False, "3.7"),
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# downgraded because of client:
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("3.5", "3.8", "3.0", "3.9", "3.9", False, "3.8"),
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# downgraded because of both:
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("3.5", "3.7", "3.0", "3.8", "3.9", False, "3.7"),
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("3.5", "3.5", "3.0", "3.5", "3.5", False), # Server & client same
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("3.5", "3.5", "3.0", "3.5", "3.5", False, "2.0", []), # Pre-micro
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("3.1", "3.11", "3.4", "3.7", "3.7", False), # Requested in range
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("3.1", "3.11", None, None, "3.7", False), # Server w/o support
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("3.5", "3.5", "3.0", "3.5", "1.0", True) # Requested too old
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)
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@ddt.unpack
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def test_microversion(self, client_min, client_max, server_min, server_max,
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requested_version, exp_range, end_version=None,
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ret_val=None):
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if ret_val is not None:
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self.fake_client.services.server_api_version.return_value = ret_val
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else:
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self._mock_returned_server_version(server_max, server_min)
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api_versions.MAX_VERSION = client_max
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api_versions.MIN_VERSION = client_min
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if exp_range:
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self.assertRaisesRegex(exceptions.UnsupportedVersion,
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".*range is '%s' to '%s'.*" %
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(server_min, server_max),
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api_versions.discover_version,
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self.fake_client,
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api_versions.APIVersion(requested_version))
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else:
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discovered_version = api_versions.discover_version(
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self.fake_client,
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api_versions.APIVersion(requested_version))
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version = requested_version
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if server_min is None and server_max is None:
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version = api_versions.DEPRECATED_VERSION
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elif end_version is not None:
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version = end_version
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self.assertEqual(version,
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discovered_version.get_string())
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self.assertTrue(
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self.fake_client.services.server_api_version.called)
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def test_get_highest_version(self):
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self._mock_returned_server_version("3.14", "3.0")
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highest_version = api_versions.get_highest_version(self.fake_client)
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self.assertEqual("3.14", highest_version.get_string())
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self.assertTrue(self.fake_client.services.server_api_version.called)
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def test_get_highest_version_bad_client(self):
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"""Tests that we gracefully handle the wrong version of client."""
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v2_client = base_client.Client('2.0')
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ex = self.assertRaises(exceptions.UnsupportedVersion,
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api_versions.get_highest_version, v2_client)
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self.assertIn('Invalid client version 2.0 to get', six.text_type(ex))
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