cdist/cdist/test/config_install/__init__.py
Nico Schottelius 2732a4ba5c finally finish the dynamic resolver
Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
2012-12-19 21:10:18 +01:00

133 lines
4.4 KiB
Python

# -*- coding: utf-8 -*-
#
# 2010-2011 Steven Armstrong (steven-cdist at armstrong.cc)
# 2012 Nico Schottelius (nico-cdist at schottelius.org)
#
# 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
from cdist import test
from cdist import core
import cdist
import cdist.context
import cdist.config
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')
add_conf_dir = op.join(fixtures, 'conf')
class ConfigInstallRunTestCase(test.CdistTestCase):
def setUp(self):
# Change env for context
self.orig_environ = os.environ
os.environ = os.environ.copy()
self.temp_dir = self.mkdtemp()
self.out_dir = os.path.join(self.temp_dir, "out")
self.remote_out_dir = os.path.join(self.temp_dir, "remote")
os.environ['__cdist_out_dir'] = self.out_dir
os.environ['__cdist_remote_out_dir'] = self.remote_out_dir
self.context = cdist.context.Context(
target_host=self.target_host,
remote_copy=self.remote_copy,
remote_exec=self.remote_exec,
exec_path=test.cdist_exec_path,
debug=True)
self.context.local.object_path = object_base_path
self.context.local.type_path = type_base_path
self.config = cdist.config.Config(self.context)
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.object_names = [o.name for o in self.objects]
def tearDown(self):
for o in self.objects:
o.requirements = []
o.state = ""
os.environ = self.orig_environ
shutil.rmtree(self.temp_dir)
def test_dependency_resolution(self):
first = self.object_index['__first/man']
second = self.object_index['__second/on-the']
third = self.object_index['__third/moon']
first.requirements = [second.name]
second.requirements = [third.name]
# First run:
# solves first and maybe second (depending on the order in the set)
self.config.stage_run_iterate()
self.assertTrue(third.state == third.STATE_DONE)
self.config.stage_run_iterate()
self.assertTrue(second.state == second.STATE_DONE)
try:
self.config.stage_run_iterate()
except cdist.Error:
# Allow failing, because the third run may or may not be unecessary already,
# depending on the order of the objects
pass
self.assertTrue(first.state == first.STATE_DONE)
def test_non_empty_object_list(self):
"""Ensure the object list returned is not empty"""
pass
def test_requirement_not_found(self):
"""Ensure an exception is thrown for missing depedencies"""
cdist_object = self.object_index['__first/man']
cdist_object.requirements = ['__does/not/exist']
with self.assertRaises(core.cdist_object.RequirementNotFoundError):
# Use list, as generator does not (yet) raise the error
list(cdist_object.find_requirements_by_name(cdist_object.requirements))
def test_unresolvable_requirements(self):
"""Ensure an exception is thrown for unresolvable depedencies"""
# Create to objects depending on each other - no solution possible
first = self.object_index['__first/man']
second = self.object_index['__second/on-the']
first.requirements = [second.name]
second.requirements = [first.name]
# First round solves __third/moon
self.config.stage_run_iterate()
# Second round detects it cannot solve the rest
with self.assertRaises(cdist.Error):
self.config.stage_run_iterate()