forked from ungleich-public/cdist
247 lines
8.8 KiB
Python
247 lines
8.8 KiB
Python
# -*- coding: utf-8 -*-
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#
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# 2010-2017 Steven Armstrong (steven-cdist at armstrong.cc)
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# 2012-2015 Nico Schottelius (nico-cdist at schottelius.org)
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# 2014 Daniel Heule (hda at sfs.biz)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import os
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import shutil
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import tempfile
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from cdist import test
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from cdist import core
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import cdist
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import cdist.config
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import cdist.core.cdist_type
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import cdist.core.cdist_object
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import os.path as op
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my_dir = op.abspath(op.dirname(__file__))
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fixtures = op.join(my_dir, 'fixtures')
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type_base_path = op.join(fixtures, 'type')
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add_conf_dir = op.join(fixtures, 'conf')
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expected_object_names = sorted([
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'__first/man',
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'__second/on-the',
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'__third/moon'])
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class CdistObjectErrorContext(object):
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def __init__(self, original_error):
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self.original_error = original_error
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_value, tb):
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if exc_type is not None:
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if exc_value.original_error:
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raise exc_value.original_error
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class ConfigRunTestCase(test.CdistTestCase):
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def setUp(self):
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# Change env for context
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self.orig_environ = os.environ
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os.environ = os.environ.copy()
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self.temp_dir = self.mkdtemp()
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self.local_dir = os.path.join(self.temp_dir, "local")
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self.hostdir = cdist.str_hash(self.target_host[0])
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self.host_base_path = os.path.join(self.local_dir, self.hostdir)
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os.makedirs(self.host_base_path)
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self.local = cdist.exec.local.Local(
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target_host=self.target_host,
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target_host_tags=self.target_host_tags,
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base_root_path=self.host_base_path,
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host_dir_name=self.hostdir)
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# Setup test objects
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self.object_base_path = op.join(self.temp_dir, 'object')
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self.objects = []
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for cdist_object_name in expected_object_names:
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cdist_type, cdist_object_id = cdist_object_name.split("/", 1)
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cdist_object = core.CdistObject(core.CdistType(type_base_path,
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cdist_type),
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self.object_base_path,
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self.local.object_marker_name,
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cdist_object_id)
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cdist_object.create()
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self.objects.append(cdist_object)
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self.object_index = dict((o.name, o) for o in self.objects)
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self.object_names = [o.name for o in self.objects]
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self.remote_dir = os.path.join(self.temp_dir, "remote")
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os.mkdir(self.remote_dir)
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self.remote = cdist.exec.remote.Remote(
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target_host=self.target_host,
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remote_copy=self.remote_copy,
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remote_exec=self.remote_exec,
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base_path=self.remote_dir,
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stdout_base_path=self.local.stdout_base_path,
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stderr_base_path=self.local.stderr_base_path)
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self.local.object_path = self.object_base_path
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self.local.type_path = type_base_path
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self.config = cdist.config.Config(self.local, self.remote)
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def tearDown(self):
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for o in self.objects:
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o.requirements = []
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o.state = ""
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os.environ = self.orig_environ
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shutil.rmtree(self.temp_dir)
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def assertRaisesCdistObjectError(self, original_error, callable_obj):
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"""
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Test if a raised CdistObjectError was caused by the given
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original_error.
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"""
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with self.assertRaises(original_error):
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try:
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callable_obj()
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except cdist.CdistObjectError as e:
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if e.original_error:
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raise e.original_error
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else:
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raise
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def test_dependency_resolution(self):
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first = self.object_index['__first/man']
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second = self.object_index['__second/on-the']
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third = self.object_index['__third/moon']
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first.requirements = [second.name]
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second.requirements = [third.name]
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# First run:
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# solves first and maybe second (depending on the order in the set)
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self.config.iterate_once()
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self.assertTrue(third.state == third.STATE_DONE)
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self.config.iterate_once()
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self.assertTrue(second.state == second.STATE_DONE)
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try:
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self.config.iterate_once()
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except cdist.Error:
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# Allow failing, because the third run may or may not be
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# unecessary already,
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# depending on the order of the objects
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pass
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self.assertTrue(first.state == first.STATE_DONE)
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def test_unresolvable_requirements(self):
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"""Ensure an exception is thrown for unresolvable depedencies"""
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# Create to objects depending on each other - no solution possible
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first = self.object_index['__first/man']
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second = self.object_index['__second/on-the']
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first.requirements = [second.name]
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second.requirements = [first.name]
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self.assertRaisesCdistObjectError(
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cdist.UnresolvableRequirementsError,
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self.config.iterate_until_finished)
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def test_missing_requirements(self):
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"""Throw an error if requiring something non-existing"""
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first = self.object_index['__first/man']
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first.requirements = ['__first/not/exist']
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self.assertRaisesCdistObjectError(
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cdist.UnresolvableRequirementsError,
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self.config.iterate_until_finished)
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def test_requirement_broken_type(self):
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"""Unknown type should be detected in the resolving process"""
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first = self.object_index['__first/man']
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first.requirements = ['__nosuchtype/not/exist']
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self.assertRaisesCdistObjectError(
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cdist.core.cdist_type.InvalidTypeError,
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self.config.iterate_until_finished)
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def test_requirement_singleton_where_no_singleton(self):
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"""Missing object id should be detected in the resolving process"""
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first = self.object_index['__first/man']
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first.requirements = ['__first']
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self.assertRaisesCdistObjectError(
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cdist.core.cdist_object.MissingObjectIdError,
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self.config.iterate_until_finished)
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def test_dryrun(self):
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"""Test if the dryrun option is working like expected"""
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drylocal = cdist.exec.local.Local(
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target_host=self.target_host,
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target_host_tags=self.target_host_tags,
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base_root_path=self.host_base_path,
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host_dir_name=self.hostdir,
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# exec_path can not derivated from sys.argv in case of unittest
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exec_path=os.path.abspath(os.path.join(
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my_dir, '../../../scripts/cdist')),
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initial_manifest=os.path.join(fixtures,
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'manifest/dryrun_manifest'),
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add_conf_dirs=[fixtures])
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dryrun = cdist.config.Config(drylocal, self.remote, dry_run=True)
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dryrun.run()
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# if we are here, dryrun works like expected
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def test_desp_resolver(self):
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"""Test to show dependency resolver warning message."""
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local = cdist.exec.local.Local(
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target_host=self.target_host,
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target_host_tags=self.target_host_tags,
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base_root_path=self.host_base_path,
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host_dir_name=self.hostdir,
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exec_path=os.path.abspath(os.path.join(
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my_dir, '../../../scripts/cdist')),
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initial_manifest=os.path.join(
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fixtures, 'manifest/init-deps-resolver'),
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add_conf_dirs=[fixtures])
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# dry_run is ok for dependency testing
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config = cdist.config.Config(local, self.remote, dry_run=True)
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config.run()
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# Currently the resolving code will simply detect that this object does
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# not exist. It should probably check if the type is a singleton as well
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# - but maybe only in the emulator - to be discussed.
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#
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# def test_requirement_no_singleton_where_singleton(self):
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# """Missing object id should be detected in the resolving process"""
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# first = self.object_index['__first/man']
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# first.requirements = ['__singleton_test/foo']
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# with self.assertRaises(cdist.core.?????):
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# self.config.iterate_until_finished()
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if __name__ == "__main__":
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import unittest
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unittest.main()
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