145 lines
6.6 KiB
Python
145 lines
6.6 KiB
Python
# Copyright (c) 2021 Dell Inc. or its subsidiaries.
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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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from cinder import exception
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from cinder.tests.unit import fake_group
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from cinder.tests.unit import fake_volume
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from cinder.tests.unit.volume.drivers.dell_emc import powerstore
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class TestVolumeGroupCreateDeleteUpdate(powerstore.TestPowerStoreDriver):
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.get_chap_config")
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def setUp(self, mock_chap):
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super(TestVolumeGroupCreateDeleteUpdate, self).setUp()
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self.driver.check_for_setup_error()
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self.volume1 = fake_volume.fake_volume_obj(
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self.context,
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host="host@backend",
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provider_id="fake_id",
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size=8
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)
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self.volume2 = fake_volume.fake_volume_obj(
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self.context,
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host="host@backend",
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provider_id="fake_id",
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size=8
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)
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self.group = fake_group.fake_group_obj(
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self.context,
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)
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.create_vg")
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@mock.patch("cinder.volume.volume_utils.is_group_a_cg_snapshot_type")
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def test_create_volume_group(self, mock_is_cg, mock_create):
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mock_create.return_value = "fake_id"
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mock_is_cg.return_value = True
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self.driver.create_group(self.context, self.group)
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@mock.patch("cinder.volume.volume_utils.is_group_a_cg_snapshot_type")
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def test_create_volume_group_fallback_to_generic(self, mock_is_cg):
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mock_is_cg.return_value = False
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self.assertRaises(NotImplementedError,
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self.driver.create_group,
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self.context,
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self.group)
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@mock.patch("requests.request")
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@mock.patch("cinder.volume.volume_utils.is_group_a_cg_snapshot_type")
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def test_create_volume_group_bad_status(self,
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mock_is_cg,
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mock_create_request):
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mock_create_request.return_value = powerstore.MockResponse(rc=400)
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error = self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.create_group,
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self.context,
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self.group)
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self.assertIn("Failed to create PowerStore volume group", error.msg)
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.delete_volume_or_snapshot")
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.get_vg_id_by_name")
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@mock.patch("cinder.volume.volume_utils.is_group_a_cg_snapshot_type")
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def test_delete_volume_group(self, mock_is_cg, mock_get_id, mock_delete):
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self.driver.delete_group(self.context, self.group, [])
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@mock.patch("requests.request")
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.get_vg_id_by_name")
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@mock.patch("cinder.volume.volume_utils.is_group_a_cg_snapshot_type")
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def test_delete_volume_group_bad_status(self,
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mock_is_cg,
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mock_get_id,
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mock_delete):
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mock_delete.return_value = powerstore.MockResponse(rc=400)
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error = self.assertRaises(
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exception.VolumeBackendAPIException,
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self.driver.delete_group,
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self.context,
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self.group,
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[]
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)
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self.assertIn("Failed to delete PowerStore volume group", error.msg)
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@mock.patch("cinder.objects.volume.Volume.is_replicated")
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@mock.patch("cinder.volume.volume_utils.is_group_a_cg_snapshot_type")
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def test_update_volume_group_add_replicated_volumes(self,
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mock_is_cg,
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mock_replicated):
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mock_replicated.return_value = True
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self.assertRaises(exception.InvalidVolume,
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self.driver.update_group,
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self.context,
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self.group,
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[self.volume1],
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[])
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@mock.patch("requests.request")
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.get_vg_id_by_name")
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@mock.patch("cinder.volume.volume_utils.is_group_a_cg_snapshot_type")
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def test_update_volume_group_add_volumes_bad_status(self,
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mock_is_cg,
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mock_get_vg_id,
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mock_add_volumes):
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mock_add_volumes.return_value = powerstore.MockResponse(rc=400)
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.update_group,
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self.context,
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self.group,
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[self.volume1],
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[])
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.remove_volumes_from_vg")
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.add_volumes_to_vg")
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.get_vg_id_by_name")
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@mock.patch("cinder.volume.volume_utils.is_group_a_cg_snapshot_type")
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def test_update_volume_group_add_remove_volumes(self,
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mock_is_cg,
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mock_get_vg_id,
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mock_add_volumes,
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mock_remove_volumes):
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self.driver.update_group(self.context,
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self.group,
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add_volumes=[self.volume1],
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remove_volumes=[self.volume2])
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