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182 lines
8.2 KiB
Python
182 lines
8.2 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2024 Virtual Cable S.L.U.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of Virtual Cable S.L.U. nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""
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Author: Adolfo Gómez, dkmaster at dkmon dot com
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"""
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import random
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import typing
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from unittest import mock
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from uds.core import ui
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from . import fixtures
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from ...utils.test import UDSTransactionTestCase
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from uds.services.Xen.xen import types as xen_types
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class TestXenFixedService(UDSTransactionTestCase):
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def setUp(self) -> None:
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super().setUp()
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fixtures.clean()
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def test_service_is_available(self) -> None:
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"""
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Test the provider
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"""
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with fixtures.patched_provider() as provider:
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api = typing.cast(mock.MagicMock, provider.api)
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service = fixtures.create_service_fixed(provider=provider)
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self.assertTrue(service.is_avaliable())
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api.test.assert_called_with()
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# With data cached, even if test fails, it will return True
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api.test.side_effect = Exception('Testing exception')
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self.assertTrue(service.is_avaliable())
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# Data is cached, so we need to reset it
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api.test.reset_mock()
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service.provider().is_available.cache_clear() # type: ignore
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# Now should return False as we have reset the cache
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self.assertFalse(service.is_avaliable())
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api.test.assert_called_with()
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def test_service_vm_methods(self) -> None:
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with fixtures.patched_provider() as provider:
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service = fixtures.create_service_fixed(provider=provider)
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VM = random.choice(fixtures.VMS_INFO)
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VM.power_state = xen_types.PowerState.HALTED
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service.start_vm(VM.opaque_ref)
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self.assertEqual(VM.power_state, xen_types.PowerState.RUNNING)
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service.stop_vm(VM.opaque_ref)
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self.assertEqual(VM.power_state, xen_types.PowerState.HALTED)
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VM.power_state = xen_types.PowerState.RUNNING
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service.shutdown_vm(VM.opaque_ref)
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self.assertEqual(VM.power_state, xen_types.PowerState.HALTED)
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VM.power_state = xen_types.PowerState.RUNNING
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service.reset_vm(VM.opaque_ref)
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self.assertEqual(VM.power_state, xen_types.PowerState.RUNNING)
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def test_enumerate_assignables(self) -> None:
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with fixtures.patched_provider() as provider:
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service = fixtures.create_service_fixed(provider=provider)
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# Ensure machines are on same folder, so enumerate_assignables will return same machines
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# (it will filter by folder also...)
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service.machines.value = [
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x.opaque_ref for x in fixtures.VMS_INFO if x.folder == service.folder.value
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]
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locate_vm: typing.Callable[[str], typing.Any] = lambda vmid: next(
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(x for x in fixtures.VMS_INFO if x.opaque_ref == vmid), fixtures.VMS_INFO[0]
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)
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self.assertEqual(
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list(service.enumerate_assignables()),
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[
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ui.gui.choice_item(locate_vm(x).opaque_ref, locate_vm(x).name or '')
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for x in service.machines.value
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],
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)
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def test_assign_from_assignables(self) -> None:
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with fixtures.patched_provider() as provider:
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service = fixtures.create_service_fixed(provider=provider)
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vmid: str = typing.cast(list[str], fixtures.SERVICE_FIXED_VALUES_DICT['machines'])[0]
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# Assign from assignables
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with mock.patch('uds.services.Xen.deployment_fixed.XenFixedUserService') as userservice:
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userservice_instance = userservice.return_value
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userservice_instance.assign.return_value = 'OK'
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self.assertEqual(
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service.assign_from_assignables(vmid, mock.MagicMock(), userservice_instance), 'OK'
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)
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userservice_instance.assign.assert_called_with(vmid)
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# vmid should be already assigned, so it will return an error (call error of userservice_instance)
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self.assertEqual(
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service.assign_from_assignables(vmid, mock.MagicMock(), userservice_instance),
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userservice_instance.error.return_value,
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)
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def test_remove_and_free(self) -> None:
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with fixtures.patched_provider() as provider:
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service = fixtures.create_service_fixed(provider=provider)
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with mock.patch.object(service, '_assigned_access') as assigned_access:
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assigned_mock = mock.MagicMock()
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assigned_access.return_value.__enter__.return_value = assigned_mock
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service.remove_and_free('123')
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assigned_mock.__contains__.assert_called_with('123')
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assigned_mock.reset_mock()
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assigned_mock.__contains__.return_value = True
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service.remove_and_free('123')
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assigned_mock.remove.assert_called_with('123')
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assigned_mock.remove.assert_called_with('123')
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def test_process_snapshot(self) -> None:
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with fixtures.patched_provider() as provider:
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api = typing.cast(mock.MagicMock, provider.api)
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service = fixtures.create_service_fixed(provider=provider)
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vmid = typing.cast(list[str], fixtures.SERVICE_FIXED_VALUES_DICT['machines'])[0]
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userservice_instance = mock.MagicMock()
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userservice_instance._vmid = vmid
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# Create snapshot
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api.list_snapshots.return_value = []
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service.snapshot_creation(userservice_instance)
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api.list_snapshots.assert_called_with(vmid, full_info=False)
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api.create_snapshot.assert_called_with(vmid, 'UDS Snapshot')
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# Skip snapshot creation
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api.reset_mock()
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api.list_snapshots.return_value = fixtures.VMS_INFO
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service.snapshot_recovery(userservice_instance)
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api.list_snapshots.assert_called_with(vmid, full_info=True)
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api.create_snapshot.assert_not_called()
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# Restore snapshot on exit
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# First, no snapshots, so no restore
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api.reset_mock()
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api.list_snapshots.return_value = []
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service.snapshot_creation(userservice_instance)
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api.list_snapshots.assert_called_with(vmid, False)
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# no snapshots, so no restore
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api.restore_snapshot.assert_not_called()
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# Reset and add snapshot
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api.reset_mock()
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api.list_snapshots.return_value = fixtures.VMS_INFO
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service.snapshot_recovery(userservice_instance)
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api.list_snapshots.assert_called_with(vmid, full_info=True)
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# restore snapshot, as this is a test, in fact the SNAPSHOTS are the same as the VMS
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api.restore_snapshot.assert_called_with(fixtures.VMS_INFO[0].opaque_ref)
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