86 lines
2.7 KiB
Python
86 lines
2.7 KiB
Python
# Copyright 2022 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import unittest
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from mock import patch
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from ops.model import ActiveStatus
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from ops.testing import Harness
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sys.path.append('src') # noqa
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import charm
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class CharmTestCase(unittest.TestCase):
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def setUp(self, obj, patches):
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super().setUp()
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self.patches = patches
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self.obj = obj
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self.patch_all()
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def patch(self, method):
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_m = patch.object(self.obj, method)
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mock = _m.start()
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self.addCleanup(_m.stop)
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return mock
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def patch_all(self):
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for method in self.patches:
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setattr(self, method, self.patch(method))
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class TestNovaComputeNvidiaVgpuCharm(CharmTestCase):
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_PATCHES = [
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'check_status',
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'install_nvidia_software_if_needed',
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'is_nvidia_software_to_be_installed',
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'set_principal_unit_relation_data',
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]
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def setUp(self):
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super().setUp(charm, self._PATCHES)
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self.harness = Harness(charm.NovaComputeNvidiaVgpuCharm)
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self.addCleanup(self.harness.cleanup)
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self.harness.begin()
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def test_init(self):
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self.assertEqual(
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self.harness.framework.model.app.name,
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'nova-compute-nvidia-vgpu')
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self.assertFalse(self.harness.charm._stored.is_started)
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self.assertIsNone(
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self.harness.charm._stored.last_installed_resource_hash)
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def test_nova_vgpu_relation_joined(self):
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# NOTE(lourot): these functions get called by the update-status hook,
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# which is irrelevant for this test:
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self.check_status.return_value = ActiveStatus('Unit is ready')
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self.is_nvidia_software_to_be_installed.return_value = False
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self.harness.set_leader(True)
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self.harness.update_config({
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"vgpu-device-mappings": "{'vgpu_type1': ['device_address1']}"
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})
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relation_id = self.harness.add_relation('nova-vgpu', 'nova-compute')
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self.harness.add_relation_unit(relation_id, 'nova-compute/0')
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# Verify that nova-compute-vgpu-charm sets relation data to its
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# principal nova-compute.
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self.assertTrue(self.set_principal_unit_relation_data.called)
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