42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
# Copyright 2014 Hewlett-Packard Development Company, L.P.
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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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"""This module detects whether third-party libraries, utilized by third-party
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drivers, are present on the system. If they are not, it mocks them and tinkers
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with sys.modules so that the drivers can be loaded by unit tests, and the unit
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tests can continue to test the functionality of those drivers without the
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respective external libraries' actually being present.
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"""
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import sys
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import mock
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from oslo_utils import importutils
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import six
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from ironic_staging_drivers.tests.unit.amt import pywsman_mocks_specs
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# attempt to load the external 'pywsman' library, which is required by
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# the optional amt module
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pywsman = importutils.try_import('pywsman')
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if not pywsman:
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pywsman = mock.MagicMock(spec_set=pywsman_mocks_specs.PYWSMAN_SPEC)
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sys.modules['pywsman'] = pywsman
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# Now that the external library has been mocked, if anything had already
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# loaded any of the drivers, reload them.
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if 'ironic_staging_drivers.amt' in sys.modules:
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six.moves.reload_module(sys.modules['ironic_staging_drivers.amt'])
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