117 lines
4.9 KiB
Python
117 lines
4.9 KiB
Python
# Copyright (c) 2020 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_snapshot
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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 TestVolumeCreateFromSource(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(TestVolumeCreateFromSource, self).setUp()
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self.driver.check_for_setup_error()
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self.volume = 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.source_volume = 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_1",
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size=8
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)
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self.source_snapshot = fake_snapshot.fake_snapshot_obj(
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self.context,
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volume=self.source_volume,
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volume_size=8
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)
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self.mock_object(self.driver.adapter.client,
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"get_snapshot_id_by_name",
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return_value="fake_id_1")
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.clone_volume_or_snapshot")
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def test_create_cloned_volume(self, mock_create_cloned):
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mock_create_cloned.return_value = self.volume.provider_id
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self.driver.create_cloned_volume(self.volume, self.source_volume)
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.extend_volume")
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.clone_volume_or_snapshot")
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def test_create_cloned_volume_extended(self,
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mock_create_cloned,
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mock_extend):
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mock_create_cloned.return_value = self.volume.provider_id
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self.volume.size = 16
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self.driver.create_cloned_volume(self.volume, self.source_volume)
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mock_extend.assert_called_once()
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.clone_volume_or_snapshot")
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def test_create_volume_from_snapshot(self, mock_create_from_snap):
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mock_create_from_snap.return_value = self.volume.provider_id
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self.driver.create_volume_from_snapshot(self.volume,
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self.source_snapshot)
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.extend_volume")
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@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
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"PowerStoreClient.clone_volume_or_snapshot")
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def test_create_volume_from_snapshot_extended(self,
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mock_create_from_snap,
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mock_extend):
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mock_create_from_snap.return_value = self.volume.provider_id
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self.volume.size = 16
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self.driver.create_volume_from_snapshot(self.volume,
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self.source_snapshot)
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mock_extend.assert_called_once()
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@mock.patch("requests.request")
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def test_create_volume_from_source_bad_status(self, mock_create_request):
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mock_create_request.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.adapter.create_volume_from_source,
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self.volume,
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self.source_volume
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)
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self.assertIn("Failed to create clone", error.msg)
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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.clone_volume_or_snapshot")
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def test_create_volume_from_source_extende_bad_status(
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self,
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mock_create_from_source,
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mock_extend_request
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):
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mock_extend_request.return_value = powerstore.MockResponse(rc=400)
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self.volume.size = 16
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error = self.assertRaises(
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exception.VolumeBackendAPIException,
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self.driver.adapter.create_volume_from_source,
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self.volume,
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self.source_volume
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)
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self.assertIn("Failed to extend PowerStore volume", error.msg)
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