129 lines
5.3 KiB
Python
129 lines
5.3 KiB
Python
# Copyright 2018 Red Hat, Inc.
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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
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# 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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from unittest import mock
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import testtools
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from metalsmith import _scheduler
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from metalsmith import exceptions
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class TestRunFilters(testtools.TestCase):
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def setUp(self):
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super(TestRunFilters, self).setUp()
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self.nodes = [mock.Mock(spec=['id', 'name']) for _ in range(2)]
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def _filter(self, side_effect, fail=AssertionError('called fail')):
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fltr = mock.Mock(spec=_scheduler.Filter)
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fltr.side_effect = side_effect
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fltr.fail.side_effect = fail
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return fltr
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def test_no_filters(self):
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result = _scheduler.run_filters([], self.nodes)
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self.assertEqual(result, self.nodes)
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def test_all_filters_pass(self):
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filters = [self._filter([True, True]) for _ in range(3)]
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result = _scheduler.run_filters(filters, self.nodes)
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self.assertEqual(result, self.nodes)
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for fltr in filters:
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self.assertEqual([mock.call(n) for n in self.nodes],
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fltr.call_args_list)
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self.assertFalse(fltr.fail.called)
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def test_one_node_filtered(self):
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filters = [self._filter([True, True]),
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self._filter([False, True]),
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self._filter([True])]
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result = _scheduler.run_filters(filters, self.nodes)
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self.assertEqual(result, self.nodes[1:2])
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for fltr in filters:
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self.assertFalse(fltr.fail.called)
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for fltr in filters[:2]:
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self.assertEqual([mock.call(n) for n in self.nodes],
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fltr.call_args_list)
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filters[2].assert_called_once_with(self.nodes[1])
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def test_all_nodes_filtered(self):
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filters = [self._filter([True, True]),
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self._filter([False, True]),
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self._filter([False], fail=RuntimeError('failed'))]
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self.assertRaisesRegex(RuntimeError, 'failed',
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_scheduler.run_filters,
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filters, self.nodes)
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for fltr in filters[:2]:
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self.assertEqual([mock.call(n) for n in self.nodes],
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fltr.call_args_list)
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self.assertFalse(fltr.fail.called)
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filters[2].assert_called_once_with(self.nodes[1])
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filters[2].fail.assert_called_once_with()
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class TestCapabilitiesFilter(testtools.TestCase):
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def test_fail_no_capabilities(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute'})
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self.assertRaisesRegex(exceptions.CapabilitiesNotFound,
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'No available nodes found with capabilities '
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'profile=compute, existing capabilities: none',
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fltr.fail)
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def test_nothing_requested_nothing_found(self):
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fltr = _scheduler.CapabilitiesFilter({})
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node = mock.Mock(properties={}, spec=['properties', 'name', 'id'])
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self.assertTrue(fltr(node))
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def test_matching_node(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute',
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'foo': 'bar'})
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node = mock.Mock(
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properties={'capabilities': 'foo:bar,profile:compute,answer:42'},
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spec=['properties', 'name', 'id'])
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self.assertTrue(fltr(node))
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def test_not_matching_node(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute',
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'foo': 'bar'})
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node = mock.Mock(
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properties={'capabilities': 'foo:bar,answer:42'},
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spec=['properties', 'name', 'id'])
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self.assertFalse(fltr(node))
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def test_fail_message(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute'})
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node = mock.Mock(
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properties={'capabilities': 'profile:control'},
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spec=['properties', 'name', 'id'])
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self.assertFalse(fltr(node))
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self.assertRaisesRegex(exceptions.CapabilitiesNotFound,
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'No available nodes found with capabilities '
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'profile=compute, existing capabilities: '
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r'profile=control \(1 node\(s\)\)',
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fltr.fail)
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def test_malformed_capabilities(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute'})
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for cap in ['foo,profile:control', 42, 'a:b:c']:
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node = mock.Mock(properties={'capabilities': cap},
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spec=['properties', 'name', 'id'])
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self.assertFalse(fltr(node))
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self.assertRaisesRegex(exceptions.CapabilitiesNotFound,
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'No available nodes found with capabilities '
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'profile=compute, existing capabilities: none',
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fltr.fail)
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