Files
deb-murano/murano/tests/unit/dsl/foundation/test_class_loader.py
Ekaterina Chernova 87a63bf24e Resolve H305 pep8 issue
H305  imports not grouped correctly

Change-Id: Ia990dd628da195097838a13d876ef987363d3f8e
2015-02-05 12:10:22 +03:00

109 lines
3.7 KiB
Python

# Copyright (c) 2014 Mirantis, Inc.
#
# 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 fnmatch
import os.path
import yaml
from murano.dsl import class_loader
from murano.dsl import exceptions
from murano.dsl import murano_package
from murano.dsl import namespace_resolver
from murano.engine.system import yaql_functions
from murano.engine import yaql_yaml_loader
from murano.tests.unit.dsl.foundation import object_model
class TestClassLoader(class_loader.MuranoClassLoader):
_classes_cache = {}
_configs = {}
def __init__(self, directory, package_name, parent_loader=None):
self._package = murano_package.MuranoPackage()
self._package.name = package_name
self._parent = parent_loader
if directory in TestClassLoader._classes_cache:
self._classes = TestClassLoader._classes_cache[directory]
else:
self._classes = {}
self._build_index(directory)
TestClassLoader._classes_cache[directory] = self._classes
self._functions = {}
super(TestClassLoader, self).__init__()
def find_package_name(self, class_name):
if class_name in self._classes:
return self._package.name
if self._parent:
return self._parent.find_package_name(class_name)
return None
def load_package(self, class_name):
return self._package
def load_definition(self, name):
try:
return self._classes[name]
except KeyError:
if self._parent:
return self._parent.load_definition(name)
raise exceptions.NoClassFound(name)
def _build_index(self, directory):
yamls = [os.path.join(dirpath, f)
for dirpath, dirnames, files in os.walk(directory)
for f in fnmatch.filter(files, '*.yaml')]
for class_def_file in yamls:
self._load_class(class_def_file)
def _load_class(self, class_def_file):
with open(class_def_file) as stream:
data = yaml.load(stream, yaql_yaml_loader.YaqlYamlLoader)
if 'Name' not in data:
return
for name, method in (data.get('Methods') or data.get(
'Workflow') or {}).iteritems():
if name.startswith('test'):
method['Usage'] = 'Action'
ns = namespace_resolver.NamespaceResolver(data.get('Namespaces', {}))
class_name = ns.resolve_name(data['Name'])
self._classes[class_name] = data
def create_root_context(self):
context = super(TestClassLoader, self).create_root_context()
yaql_functions.register(context)
for name, func in self._functions.iteritems():
context.register_function(func, name)
return context
def register_function(self, func, name):
self._functions[name] = func
def get_class_config(self, name):
return TestClassLoader._configs.get(name, {})
def set_config_value(self, class_name, property_name, value):
if isinstance(class_name, object_model.Object):
class_name = class_name.type_name
TestClassLoader._configs.setdefault(class_name, {})[
property_name] = value
@staticmethod
def clear_configs():
TestClassLoader._configs = {}