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# 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 os
from toscaparser.common import exception
from toscaparser.substitution_mappings import SubstitutionMappings
from toscaparser.tests.base import TestCase
from toscaparser.topology_template import TopologyTemplate
from toscaparser.tosca_template import ToscaTemplate
from toscaparser.utils.gettextutils import _
import toscaparser.utils.yamlparser
YAML_LOADER = toscaparser.utils.yamlparser.load_yaml
class TopologyTemplateTest(TestCase):
def setUp(self):
TestCase.setUp(self)
'''TOSCA template.'''
self.tosca_tpl_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"data/topology_template/transactionsubsystem.yaml")
self.tpl = YAML_LOADER(self.tosca_tpl_path)
self.topo_tpl = self.tpl.get('topology_template')
self.imports = self.tpl.get('imports')
self.topo = TopologyTemplate(self.topo_tpl,
self._get_all_custom_def())
def _get_custom_def(self, type_definition):
custom_defs = {}
for definition in self.imports:
if os.path.isabs(definition):
def_file = definition
else:
tpl_dir = os.path.dirname(os.path.abspath(self.tosca_tpl_path))
def_file = os.path.join(tpl_dir, definition)
custom_type = YAML_LOADER(def_file)
custom_defs.update(custom_type.get(type_definition))
return custom_defs
def _get_all_custom_def(self):
custom_defs = {}
custom_defs.update(self._get_custom_def('node_types'))
custom_defs.update(self._get_custom_def('capability_types'))
return custom_defs
def test_description(self):
expected_desc = 'Template of a database including its hosting stack.'
self.assertEqual(expected_desc, self.topo.description)
def test_inputs(self):
self.assertEqual(
['mq_server_ip', 'my_cpus', 'receiver_port'],
sorted([input.name for input in self.topo.inputs]))
input_name = "receiver_port"
expected_description = "Port to be used for receiving messages."
for input in self.topo.inputs:
if input.name == input_name:
self.assertEqual(expected_description, input.description)
def test_node_tpls(self):
'''Test nodetemplate names.'''
self.assertEqual(
['app', 'server', 'websrv'],
sorted([tpl.name for tpl in self.topo.nodetemplates]))
tpl_name = "app"
expected_type = "example.SomeApp"
expected_properties = ['admin_user', 'pool_size']
expected_capabilities = ['feature', 'message_receiver']
expected_requirements = [{'host': {'node': 'websrv'}}]
expected_relationshp = ['tosca.relationships.HostedOn']
expected_host = ['websrv']
for tpl in self.topo.nodetemplates:
if tpl_name == tpl.name:
'''Test node type.'''
self.assertEqual(tpl.type, expected_type)
'''Test properties.'''
self.assertEqual(
expected_properties,
sorted(tpl.get_properties().keys()))
'''Test capabilities.'''
self.assertEqual(
expected_capabilities,
sorted(tpl.get_capabilities().keys()))
'''Test requirements.'''
self.assertEqual(
expected_requirements, tpl.requirements)
'''Test relationship.'''
''' TODO : skip tempororily. need to fix it
'''
self.assertEqual(
expected_relationshp,
[x.type for x in tpl.relationships.keys()])
self.assertEqual(
expected_host,
[y.name for y in tpl.relationships.values()])
'''Test interfaces.'''
# TODO(hurf) add interface test when new template is available
if tpl.name == 'server':
'''Test property value'''
props = tpl.get_properties()
if props and 'mem_size' in props.keys():
self.assertEqual(props['mem_size'].value, '4096 MB')
'''Test capability'''
caps = tpl.get_capabilities()
self.assertIn('os', caps.keys())
os_props_objs = None
os_props = None
os_type_prop = None
if caps and 'os' in caps.keys():
capability = caps['os']
os_props_objs = capability.get_properties_objects()
os_props = capability.get_properties()
os_type_prop = capability.get_property_value('type')
break
self.assertEqual(
['Linux'],
[p.value for p in os_props_objs if p.name == 'type'])
self.assertEqual(
'Linux',
os_props['type'].value if 'type' in os_props else '')
self.assertEqual('Linux', os_props['type'].value)
self.assertEqual('Linux', os_type_prop)
def test_outputs(self):
self.assertEqual(
['receiver_ip'],
sorted([output.name for output in self.topo.outputs]))
def test_groups(self):
group = self.topo.groups[0]
self.assertEqual('webserver_group', group.name)
self.assertEqual(['websrv', 'server'], group.members)
for node in group.get_member_nodes():
if node.name == 'server':
'''Test property value'''
props = node.get_properties()
if props and 'mem_size' in props.keys():
self.assertEqual(props['mem_size'].value, '4096 MB')
def test_system_template(self):
tpl_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"data/topology_template/system.yaml")
system_tosca_template = ToscaTemplate(tpl_path)
self.assertIsNotNone(system_tosca_template)
self.assertEqual(
len(system_tosca_template.
nested_tosca_templates_with_topology), 4)
def test_invalid_keyname(self):
tpl_snippet = '''
substitution_mappings:
node_type: example.DatabaseSubsystem
capabilities:
database_endpoint: [ db_app, database_endpoint ]
requirements:
receiver1: [ tran_app, receiver1 ]
invalid_key: 123
'''
sub_mappings = (toscaparser.utils.yamlparser.
simple_parse(tpl_snippet))['substitution_mappings']
expected_message = _(
'SubstitutionMappings contains unknown field '
'"invalid_key". Refer to the definition '
'to verify valid values.')
err = self.assertRaises(
exception.UnknownFieldError,
lambda: SubstitutionMappings(sub_mappings, None, None,
None, None, None))
self.assertEqual(expected_message, err.__str__())
def test_missing_required_keyname(self):
tpl_snippet = '''
substitution_mappings:
capabilities:
database_endpoint: [ db_app, database_endpoint ]
requirements:
receiver1: [ tran_app, receiver1 ]
'''
sub_mappings = (toscaparser.utils.yamlparser.
simple_parse(tpl_snippet))['substitution_mappings']
expected_message = _('SubstitutionMappings used in topology_template '
'is missing required field "node_type".')
err = self.assertRaises(
exception.MissingRequiredFieldError,
lambda: SubstitutionMappings(sub_mappings, None, None,
None, None, None))
self.assertEqual(expected_message, err.__str__())
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