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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
import six
from toscaparser.common import exception
from toscaparser import functions
from toscaparser.tests.base import TestCase
from toscaparser.tosca_template import ToscaTemplate
from toscaparser.utils.gettextutils import _
class IntrinsicFunctionsTest(TestCase):
tosca_tpl = os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"data/tosca_single_instance_wordpress.yaml")
params = {'db_name': 'my_wordpress', 'db_user': 'my_db_user'}
tosca = ToscaTemplate(tosca_tpl, parsed_params=params)
def _get_node(self, node_name):
return [
node for node in self.tosca.nodetemplates
if node.name == node_name][0]
def _get_operation(self, interfaces, operation):
return [
interface for interface in interfaces
if interface.name == operation][0]
def _get_property(self, node_template, property_name):
return [prop.value for prop in node_template.get_properties_objects()
if prop.name == property_name][0]
def _get_inputs_dict(self):
inputs = {}
for input in self.tosca.inputs:
inputs[input.name] = input.default
return inputs
def _get_input(self, name):
self._get_inputs_dict()[name]
def test_get_property(self):
wordpress = self._get_node('wordpress')
operation = self._get_operation(wordpress.interfaces, 'configure')
wp_db_password = operation.inputs['wp_db_password']
self.assertTrue(isinstance(wp_db_password, functions.GetProperty))
result = wp_db_password.result()
self.assertEqual('wp_pass', result)
def test_get_property_with_input_param(self):
wordpress = self._get_node('wordpress')
operation = self._get_operation(wordpress.interfaces, 'configure')
wp_db_user = operation.inputs['wp_db_user']
self.assertTrue(isinstance(wp_db_user, functions.GetProperty))
result = wp_db_user.result()
self.assertEqual('my_db_user', result)
def test_unknown_capability_property(self):
self.assertRaises(exception.ValidationError, self._load_template,
'functions/test_unknown_capability_property.yaml')
exception.ExceptionCollector.assertExceptionMessage(
KeyError,
_('\'Property "unknown" was not found in capability '
'"database_endpoint" of node template "database" referenced '
'from node template "database".\''))
def test_get_input_in_properties(self):
mysql_dbms = self._get_node('mysql_dbms')
expected_inputs = ['db_root_pwd', 'db_port']
props = mysql_dbms.get_properties()
for key in props.keys():
prop = props[key]
self.assertTrue(isinstance(prop.value, functions.GetInput))
expected_inputs.remove(prop.value.input_name)
self.assertListEqual(expected_inputs, [])
def test_get_input_validation(self):
self.assertRaises(
exception.ValidationError, self._load_template,
'functions/test_unknown_input_in_property.yaml')
exception.ExceptionCollector.assertExceptionMessage(
exception.UnknownInputError,
_('Unknown input "objectstore_name".'))
self.assertRaises(
exception.ValidationError, self._load_template,
'functions/test_unknown_input_in_interface.yaml')
exception.ExceptionCollector.assertExceptionMessage(
exception.UnknownInputError,
_('Unknown input "image_id".'))
self.assertRaises(
exception.ValidationError, self._load_template,
'functions/test_invalid_function_signature.yaml')
exception.ExceptionCollector.assertExceptionMessage(
ValueError,
_('Expected one argument for function "get_input" but received '
'"[\'cpus\', \'cpus\']".'))
def test_get_input_default_value_result(self):
mysql_dbms = self._get_node('mysql_dbms')
dbms_port = self._get_property(mysql_dbms, 'port')
self.assertEqual(3306, dbms_port.result())
dbms_root_password = self._get_property(mysql_dbms,
'root_password')
self.assertIsNone(dbms_root_password.result())
class GetAttributeTest(TestCase):
def _load_template(self, filename):
return ToscaTemplate(os.path.join(
os.path.dirname(os.path.abspath(__file__)),
'data',
filename))
def test_get_attribute_in_outputs(self):
tpl = self._load_template('tosca_single_instance_wordpress.yaml')
website_url_output = [
x for x in tpl.outputs if x.name == 'website_url'][0]
self.assertIsInstance(website_url_output.value, functions.GetAttribute)
self.assertEqual('server', website_url_output.value.node_template_name)
self.assertEqual('private_address',
website_url_output.value.attribute_name)
def test_get_attribute_invalid_args(self):
expected_msg = _('Expected arguments: "node-template-name", '
'"attribute-name"')
err = self.assertRaises(ValueError,
functions.get_function, None, None,
{'get_attribute': []})
self.assertIn(expected_msg, six.text_type(err))
err = self.assertRaises(ValueError,
functions.get_function, None, None,
{'get_attribute': ['x']})
self.assertIn(expected_msg, six.text_type(err))
err = self.assertRaises(ValueError,
functions.get_function, None, None,
{'get_attribute': ['x', 'y', 'z']})
self.assertIn(expected_msg, six.text_type(err))
def test_get_attribute_unknown_node_template_name(self):
self.assertRaises(
exception.ValidationError, self._load_template,
'functions/test_get_attribute_unknown_node_template_name.yaml')
exception.ExceptionCollector.assertExceptionMessage(
KeyError,
_('\'Node template "unknown_node_template" was not found.\''))
def test_get_attribute_unknown_attribute(self):
self.assertRaises(
exception.ValidationError, self._load_template,
'functions/test_get_attribute_unknown_attribute_name.yaml')
exception.ExceptionCollector.assertExceptionMessage(
KeyError,
_('\'Attribute "unknown_attribute" was not found in node template '
'"server".\''))
def test_get_attribute_host_keyword(self):
tpl = self._load_template(
'functions/test_get_attribute_host_keyword.yaml')
def assert_get_attribute_host_functionality(node_template_name):
node = [x for x in tpl.nodetemplates
if x.name == node_template_name][0]
configure_op = [
x for x in node.interfaces if x.name == 'configure'][0]
ip_addr_input = configure_op.inputs['ip_address']
self.assertIsInstance(ip_addr_input, functions.GetAttribute)
self.assertEqual('server',
ip_addr_input.get_referenced_node_template().name)
assert_get_attribute_host_functionality('dbms')
assert_get_attribute_host_functionality('database')
def test_get_attribute_host_not_found(self):
self.assertRaises(
exception.ValidationError, self._load_template,
'functions/test_get_attribute_host_not_found.yaml')
exception.ExceptionCollector.assertExceptionMessage(
ValueError,
_('"get_attribute: [ HOST, ... ]" was used in node template '
'"server" but "tosca.relationships.HostedOn" was not found in '
'the relationship chain.'))
def test_get_attribute_illegal_host_in_outputs(self):
self.assertRaises(
exception.ValidationError, self._load_template,
'functions/test_get_attribute_illegal_host_in_outputs.yaml')
exception.ExceptionCollector.assertExceptionMessage(
ValueError,
_('"get_attribute: [ HOST, ... ]" is not allowed in "outputs" '
'section of the TOSCA template.'))
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