72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
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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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"""
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test_delta
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----------------------------------
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Tests for `os_performance_tools.collectors._delta`
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"""
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import testscenarios
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from os_performance_tools.collectors import _delta
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from os_performance_tools.tests import base
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class TestOSQATDelta(testscenarios.WithScenarios, base.TestCase):
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scenarios = [
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('add1', dict(
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previous={'zoo': {'aardvark': 9, 'zebra': 0}},
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current={'zoo': {'aardvark': 12, 'zebra': 0}},
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expected={'zoo': {'aardvark': 3, 'zebra': 0}})),
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('newkey', dict(
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previous={'zoo': {'bee': 0}},
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current={'lake': {'trout': 1}, 'zoo': {'bee': 5}},
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expected={'lake': {'trout': 1}, 'zoo': {'bee': 5}})),
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('delkey', dict(
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previous={'zoo': {'cat': 99}},
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current={},
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expected={})),
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('newvar', dict(
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previous={'zoo': {'dog': 9}},
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current={'zoo': {'dog': 9, 'ocelot': 2}},
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expected={'zoo': {'dog': 0, 'ocelot': 2}})),
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('delvar', dict(
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previous={'zoo': {'elephant': 1000, 'bear': 1}},
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current={'zoo': {'elephant': 1000}},
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expected={'zoo': {'elephant': 0}})),
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('stringval', dict(
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previous={'zoo': 'foo'},
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current={'zoo': 0},
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expected=ValueError)),
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('newstrval', dict(
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previous={'zoo': {'giraffe': 100}},
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current={'zoo': {'giraffe': 'tall'}},
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expected=ValueError)),
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('changetype', dict(
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previous={'zoo': {'horse': 7}},
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current={'zoo': 15},
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expected=ValueError)),
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]
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def test_delta(self):
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if self.expected is ValueError:
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self.assertRaises(ValueError, _delta.delta, self.previous,
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self.current)
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else:
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self.assertEqual(self.expected, _delta.delta(self.previous,
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self.current))
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