ryu/build/lib.linux-armv7l-2.7/ryu/tests/unit/test_requirements.py

   1 # Copyright (C) 2016 Nippon Telegraph and Telephone Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #    http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  12 # implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 import logging
  17 import os
  18 import sys
  19 import unittest
  20
  21 import pkg_resources
  22 from six.moves import urllib
  23
  24 from nose.tools import ok_
  25
  26
  27 LOG = logging.getLogger(__name__)
  28
  29 MOD_DIR = os.path.dirname('file://' + sys.modules[__name__].__file__)
  30 _RYU_REQUIREMENTS_FILES = [
  31     '../../../tools/pip-requires',
  32     '../../../tools/optional-requires',
  33 ]
  34 RYU_REQUIREMENTS_FILES = [
  35     os.path.join(MOD_DIR, f) for f in _RYU_REQUIREMENTS_FILES]
  36
  37 OPENSTACK_REQUIREMENTS_REPO = 'https://github.com/openstack/requirements'
  38 OPENSTACK_REQUIREMENTS_URL = (
  39     'https://github.com/openstack/requirements/raw/master/')
  40 _OPENSTACK_REQUIREMENTS_FILES = [
  41     'requirements.txt',
  42     'global-requirements.txt',
  43 ]
  44 OPENSTACK_REQUIREMENTS_FILES = [
  45     urllib.parse.urljoin(OPENSTACK_REQUIREMENTS_URL, f)
  46     for f in _OPENSTACK_REQUIREMENTS_FILES]
  47
  48
  49 def _get_requirements(files):
  50     requirements = {}
  51     for f in files:
  52         response = urllib.request.urlopen(f)
  53         contents = response.read().decode('utf-8')
  54         for r in pkg_resources.parse_requirements(contents):
  55             requirements[r.name] = str(r)
  56
  57     return requirements
  58
  59
  60 OPENSTACK_REQUIREMENTS = _get_requirements(OPENSTACK_REQUIREMENTS_FILES)
  61 RYU_REQUIREMENTS = _get_requirements(RYU_REQUIREMENTS_FILES)
  62
  63
  64 class TestRequirements(unittest.TestCase):
  65     """
  66     Test whether the requirements of Ryu has no conflict with that
  67     of other projects.
  68     """
  69
  70     def setUp(self):
  71         pass
  72
  73     def tearDown(self):
  74         pass
  75
  76     def test_with_openstack_requirements(self):
  77         try:
  78             for name, req in OPENSTACK_REQUIREMENTS.items():
  79                 if name in RYU_REQUIREMENTS:
  80                     ok_(pkg_resources.require(req))
  81         except pkg_resources.VersionConflict as e:
  82             LOG.exception(
  83                 'Some requirements of Ryu are conflicting with that of '
  84                 'OpenStack project: %s', OPENSTACK_REQUIREMENTS_REPO)
  85             raise e