openstack/oslo.utils
Code Issues Proposed changes

Merge "Move nova extra_specs_ops to oslo.utils"

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Jenkins 2016-07-07 17:12:51 +00:00 committed by Gerrit Code Review
commit 2b36107f0b
2 changed files with 305 additions and 0 deletions
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69
oslo_utils/specs_matcher.py Normal file
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# Copyright (c) 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import operator
# 1. The following operations are supported:
# =, s==, s!=, s>=, s>, s<=, s<, <in>, <all-in>, <or>, ==, !=, >=, <=
# 2. Note that <or> is handled in a different way below.
# 3. If the first word in the extra_specs is not one of the operators,
# it is ignored.
op_methods = {
'=': lambda x, y: float(x) >= float(y),
'<in>': lambda x, y: y in x,
'<all-in>': lambda x, y: all(val in x for val in y),
'==': lambda x, y: float(x) == float(y),
'!=': lambda x, y: float(x) != float(y),
'>=': lambda x, y: float(x) >= float(y),
'<=': lambda x, y: float(x) <= float(y),
's==': operator.eq,
's!=': operator.ne,
's<': operator.lt,
's<=': operator.le,
's>': operator.gt,
's>=': operator.ge
}
def match(value, req):
words = req.split()
op = method = None
if words:
op = words.pop(0)
method = op_methods.get(op)
if op != '<or>' and not method:
return value == req
if value is None:
return False
if op == '<or>': # Ex: <or> v1 <or> v2 <or> v3
while True:
if words.pop(0) == value:
return True
if not words:
break
words.pop(0) # remove a keyword <or>
if not words:
break
return False
if words:
if op == '<all-in>': # requires a list not a string
return method(value, words)
return method(value, words[0])
return False

236
oslo_utils/tests/test_specs_matcher.py Normal file
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslotest import base as test_base
from oslo_utils import specs_matcher
class SpecsMatcherTestCase(test_base.BaseTestCase):
def _do_specs_matcher_test(self, value, req, matches):
assertion = self.assertTrue if matches else self.assertFalse
assertion(specs_matcher.match(value, req))
def test_specs_matches_simple(self):
self._do_specs_matcher_test(
value='1',
req='1',
matches=True)
def test_specs_fails_simple(self):
self._do_specs_matcher_test(
value='',
req='1',
matches=False)
def test_specs_fails_simple2(self):
self._do_specs_matcher_test(
value='3',
req='1',
matches=False)
def test_specs_fails_simple3(self):
self._do_specs_matcher_test(
value='222',
req='2',
matches=False)
def test_specs_fails_with_bogus_ops(self):
self._do_specs_matcher_test(
value='4',
req='> 2',
matches=False)
def test_specs_matches_with_op_eq(self):
self._do_specs_matcher_test(
value='123',
req='= 123',
matches=True)
def test_specs_matches_with_op_eq2(self):
self._do_specs_matcher_test(
value='124',
req='= 123',
matches=True)
def test_specs_fails_with_op_eq(self):
self._do_specs_matcher_test(
value='34',
req='= 234',
matches=False)
def test_specs_fails_with_op_eq3(self):
self._do_specs_matcher_test(
value='34',
req='=',
matches=False)
def test_specs_matches_with_op_seq(self):
self._do_specs_matcher_test(
value='123',
req='s== 123',
matches=True)
def test_specs_fails_with_op_seq(self):
self._do_specs_matcher_test(
value='1234',
req='s== 123',
matches=False)
def test_specs_matches_with_op_sneq(self):
self._do_specs_matcher_test(
value='1234',
req='s!= 123',
matches=True)
def test_specs_fails_with_op_sneq(self):
self._do_specs_matcher_test(
value='123',
req='s!= 123',
matches=False)
def test_specs_fails_with_op_sge(self):
self._do_specs_matcher_test(
value='1000',
req='s>= 234',
matches=False)
def test_specs_fails_with_op_sle(self):
self._do_specs_matcher_test(
value='1234',
req='s<= 1000',
matches=False)
def test_specs_fails_with_op_sl(self):
self._do_specs_matcher_test(
value='2',
req='s< 12',
matches=False)
def test_specs_fails_with_op_sg(self):
self._do_specs_matcher_test(
value='12',
req='s> 2',
matches=False)
def test_specs_matches_with_op_in(self):
self._do_specs_matcher_test(
value='12311321',
req='<in> 11',
matches=True)
def test_specs_matches_with_op_in2(self):
self._do_specs_matcher_test(
value='12311321',
req='<in> 12311321',
matches=True)
def test_specs_matches_with_op_in3(self):
self._do_specs_matcher_test(
value='12311321',
req='<in> 12311321 <in>',
matches=True)
def test_specs_fails_with_op_in(self):
self._do_specs_matcher_test(
value='12310321',
req='<in> 11',
matches=False)
def test_specs_fails_with_op_in2(self):
self._do_specs_matcher_test(
value='12310321',
req='<in> 11 <in>',
matches=False)
def test_specs_matches_with_op_or(self):
self._do_specs_matcher_test(
value='12',
req='<or> 11 <or> 12',
matches=True)
def test_specs_matches_with_op_or2(self):
self._do_specs_matcher_test(
value='12',
req='<or> 11 <or> 12 <or>',
matches=True)
def test_specs_fails_with_op_or(self):
self._do_specs_matcher_test(
value='13',
req='<or> 11 <or> 12',
matches=False)
def test_specs_fails_with_op_or2(self):
self._do_specs_matcher_test(
value='13',
req='<or> 11 <or> 12 <or>',
matches=False)
def test_specs_matches_with_op_le(self):
self._do_specs_matcher_test(
value='2',
req='<= 10',
matches=True)
def test_specs_fails_with_op_le(self):
self._do_specs_matcher_test(
value='3',
req='<= 2',
matches=False)
def test_specs_matches_with_op_ge(self):
self._do_specs_matcher_test(
value='3',
req='>= 1',
matches=True)
def test_specs_fails_with_op_ge(self):
self._do_specs_matcher_test(
value='2',
req='>= 3',
matches=False)
def test_specs_matches_all_with_op_allin(self):
values = ['aes', 'mmx', 'aux']
self._do_specs_matcher_test(
value=str(values),
req='<all-in> aes mmx',
matches=True)
def test_specs_matches_one_with_op_allin(self):
values = ['aes', 'mmx', 'aux']
self._do_specs_matcher_test(
value=str(values),
req='<all-in> mmx',
matches=True)
def test_specs_fails_with_op_allin(self):
values = ['aes', 'mmx', 'aux']
self._do_specs_matcher_test(
value=str(values),
req='<all-in> txt',
matches=False)
def test_specs_fails_all_with_op_allin(self):
values = ['aes', 'mmx', 'aux']
self._do_specs_matcher_test(
value=str(values),
req='<all-in> txt 3dnow',
matches=False)
def test_specs_fails_match_one_with_op_allin(self):
values = ['aes', 'mmx', 'aux']
self._do_specs_matcher_test(
value=str(values),
req='<all-in> txt aes',
matches=False)