8be98ebe98
Implements blueprint use-common-jsonutils 1. Edit openstack-common.conf and import nova/openstack/common/jsonutils.py 2. Remove json package imports and replace with jsonutils Places where using json.load hasn't changed. Change-Id: Ie6feab605fb0474fd505c56ef57b7a9ecfa5269d
139 lines
5.1 KiB
Python
139 lines
5.1 KiB
Python
# Copyright 2011 OpenStack LLC.
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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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"""
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Tests For PickledScheduler.
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"""
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import datetime
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import StringIO
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from nova.openstack.common import jsonutils
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from nova.scheduler import scheduler_options
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from nova import test
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class FakeSchedulerOptions(scheduler_options.SchedulerOptions):
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def __init__(self, last_checked, now, file_old, file_now, data, filedata):
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super(FakeSchedulerOptions, self).__init__()
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# Change internals ...
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self.last_modified = file_old
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self.last_checked = last_checked
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self.data = data
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# For overrides ...
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self._time_now = now
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self._file_now = file_now
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self._file_data = filedata
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self.file_was_loaded = False
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def _get_file_timestamp(self, filename):
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return self._file_now
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def _get_file_handle(self, filename):
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self.file_was_loaded = True
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return StringIO.StringIO(self._file_data)
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def _get_time_now(self):
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return self._time_now
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class SchedulerOptionsTestCase(test.TestCase):
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def test_get_configuration_first_time_no_flag(self):
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last_checked = None
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now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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file_old = None
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file_now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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data = dict(a=1, b=2, c=3)
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jdata = jsonutils.dumps(data)
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fake = FakeSchedulerOptions(last_checked, now, file_old, file_now,
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{}, jdata)
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self.assertEquals({}, fake.get_configuration())
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self.assertFalse(fake.file_was_loaded)
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def test_get_configuration_first_time_empty_file(self):
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last_checked = None
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now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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file_old = None
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file_now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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data = dict(a=1, b=2, c=3)
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jdata = ""
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fake = FakeSchedulerOptions(last_checked, now, file_old, file_now,
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{}, jdata)
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self.assertEquals({}, fake.get_configuration('foo.json'))
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self.assertTrue(fake.file_was_loaded)
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def test_get_configuration_first_time_happy_day(self):
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last_checked = None
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now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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file_old = None
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file_now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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data = dict(a=1, b=2, c=3)
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jdata = jsonutils.dumps(data)
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fake = FakeSchedulerOptions(last_checked, now, file_old, file_now,
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{}, jdata)
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self.assertEquals(data, fake.get_configuration('foo.json'))
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self.assertTrue(fake.file_was_loaded)
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def test_get_configuration_second_time_no_change(self):
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last_checked = datetime.datetime(2011, 1, 1, 1, 1, 1)
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now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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file_old = datetime.datetime(2012, 1, 1, 1, 1, 1)
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file_now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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data = dict(a=1, b=2, c=3)
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jdata = jsonutils.dumps(data)
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fake = FakeSchedulerOptions(last_checked, now, file_old, file_now,
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data, jdata)
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self.assertEquals(data, fake.get_configuration('foo.json'))
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self.assertFalse(fake.file_was_loaded)
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def test_get_configuration_second_time_too_fast(self):
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last_checked = datetime.datetime(2011, 1, 1, 1, 1, 1)
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now = datetime.datetime(2011, 1, 1, 1, 1, 2)
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file_old = datetime.datetime(2012, 1, 1, 1, 1, 1)
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file_now = datetime.datetime(2013, 1, 1, 1, 1, 1)
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old_data = dict(a=1, b=2, c=3)
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data = dict(a=11, b=12, c=13)
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jdata = jsonutils.dumps(data)
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fake = FakeSchedulerOptions(last_checked, now, file_old, file_now,
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old_data, jdata)
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self.assertEquals(old_data, fake.get_configuration('foo.json'))
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self.assertFalse(fake.file_was_loaded)
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def test_get_configuration_second_time_change(self):
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last_checked = datetime.datetime(2011, 1, 1, 1, 1, 1)
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now = datetime.datetime(2012, 1, 1, 1, 1, 1)
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file_old = datetime.datetime(2012, 1, 1, 1, 1, 1)
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file_now = datetime.datetime(2013, 1, 1, 1, 1, 1)
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old_data = dict(a=1, b=2, c=3)
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data = dict(a=11, b=12, c=13)
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jdata = jsonutils.dumps(data)
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fake = FakeSchedulerOptions(last_checked, now, file_old, file_now,
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old_data, jdata)
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self.assertEquals(data, fake.get_configuration('foo.json'))
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self.assertTrue(fake.file_was_loaded)
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