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cdist-mirror/cdist/test/resolver/__init__.py

88 lines
3.3 KiB

# -*- coding: utf-8 -*-
#
# 2010-2011 Steven Armstrong (steven-cdist at armstrong.cc)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
import os
import shutil
import cdist
from cdist import test
from cdist import core
from cdist import resolver
import os.path as op
my_dir = op.abspath(op.dirname(__file__))
fixtures = op.join(my_dir, 'fixtures')
object_base_path = op.join(fixtures, 'object')
type_base_path = op.join(fixtures, 'type')
class ResolverTestCase(test.CdistTestCase):
def setUp(self):
self.objects = list(core.CdistObject.list_objects(object_base_path, type_base_path))
self.object_index = dict((o.name, o) for o in self.objects)
self.dependency_resolver = resolver.DependencyResolver(self.objects)
def tearDown(self):
for o in self.objects:
o.requirements = []
def test_find_requirements_by_name_string(self):
requirements = ['__first/man', '__second/on-the', '__third/moon']
required_objects = [self.object_index[name] for name in requirements]
self.assertEqual(sorted(list(self.dependency_resolver.find_requirements_by_name(requirements))),
sorted(required_objects))
def test_find_requirements_by_name_pattern(self):
requirements = ['__first/*', '__second/*-the', '__third/moon']
requirements_expanded = [
'__first/child', '__first/dog', '__first/man', '__first/woman',
'__second/on-the', '__second/under-the',
'__third/moon'
]
required_objects = [self.object_index[name] for name in requirements_expanded]
self.assertEqual(sorted(list(self.dependency_resolver.find_requirements_by_name(requirements))),
sorted(required_objects))
def test_dependency_resolution(self):
first_man = self.object_index['__first/man']
second_on_the = self.object_index['__second/on-the']
third_moon = self.object_index['__third/moon']
first_man.requirements = [second_on_the.name]
second_on_the.requirements = [third_moon.name]
self.assertEqual(
self.dependency_resolver.dependencies['__first/man'],
[third_moon, second_on_the, first_man]
)
def test_circular_reference(self):
first_man = self.object_index['__first/man']
first_woman = self.object_index['__first/woman']
first_man.requirements = [first_woman.name]
first_woman.requirements = [first_man.name]
with self.assertRaises(resolver.CircularReferenceError):
self.dependency_resolver.dependencies
def test_requirement_not_found(self):
first_man = self.object_index['__first/man']
first_man.requirements = ['__does/not/exist']
with self.assertRaises(cdist.Error):
self.dependency_resolver.dependencies