OpenStack Orchestration (Heat)
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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 mock
import six
from heat.engine import attributes
from heat.engine import resources
from heat.engine import support
from heat.tests import common
class AttributeSchemaTest(common.HeatTestCase):
def test_schema_all(self):
d = {'description': 'A attribute'}
s = attributes.Schema('A attribute')
self.assertEqual(d, dict(s))
d = {'description': 'Another attribute',
'type': 'string'}
s = attributes.Schema('Another attribute',
type=attributes.Schema.STRING)
self.assertEqual(d, dict(s))
def test_all_resource_schemata(self):
for resource_type in resources.global_env().get_types():
for schema in six.itervalues(getattr(resource_type,
'attributes_schema',
{})):
attributes.Schema.from_attribute(schema)
def test_from_attribute_new_schema_format(self):
s = attributes.Schema('Test description.')
self.assertIs(s, attributes.Schema.from_attribute(s))
self.assertEqual('Test description.',
attributes.Schema.from_attribute(s).description)
s = attributes.Schema('Test description.',
type=attributes.Schema.MAP)
self.assertIs(s, attributes.Schema.from_attribute(s))
self.assertEqual(attributes.Schema.MAP,
attributes.Schema.from_attribute(s).type)
def test_schema_support_status(self):
schema = {
'foo_sup': attributes.Schema(
'Description1'
),
'bar_dep': attributes.Schema(
'Description2',
support_status=support.SupportStatus(
support.DEPRECATED,
'Do not use this ever')
)
}
attrs = attributes.Attributes('test_rsrc', schema, lambda d: d)
self.assertEqual(support.SUPPORTED,
attrs._attributes['foo_sup'].support_status().status)
self.assertEqual(support.DEPRECATED,
attrs._attributes['bar_dep'].support_status().status)
self.assertEqual('Do not use this ever',
attrs._attributes['bar_dep'].support_status().message)
class AttributeTest(common.HeatTestCase):
"""Test the Attribute class."""
def test_as_output(self):
"""Test that Attribute looks right when viewed as an Output."""
expected = {
"Value": '{"Fn::GetAtt": ["test_resource", "test1"]}',
"Description": "The first test attribute"
}
attr = attributes.Attribute(
"test1", attributes.Schema("The first test attribute"))
self.assertEqual(expected, attr.as_output("test_resource"))
class AttributesTest(common.HeatTestCase):
"""Test the Attributes class."""
def setUp(self):
super(AttributesTest, self).setUp()
self.resolver = mock.MagicMock()
self.attributes_schema = {
"test1": attributes.Schema("Test attrib 1"),
"test2": attributes.Schema("Test attrib 2"),
"test3": attributes.Schema(
"Test attrib 3",
cache_mode=attributes.Schema.CACHE_NONE)
}
def test_get_attribute(self):
"""Test that we get the attribute values we expect."""
self.resolver.return_value = "value1"
attribs = attributes.Attributes('test resource',
self.attributes_schema,
self.resolver)
self.assertEqual("value1", attribs['test1'])
self.resolver.assert_called_once_with('test1')
def test_attributes_representation(self):
"""Test that attributes are displayed correct."""
self.resolver.return_value = "value1"
attribs = attributes.Attributes('test resource',
self.attributes_schema,
self.resolver)
msg = 'Attributes for test resource:\n\tvalue1\n\tvalue1\n\tvalue1'
self.assertEqual(msg, str(attribs))
calls = [
mock.call('test1'),
mock.call('test2'),
mock.call('test3')
]
self.resolver.assert_has_calls(calls, any_order=True)
def test_get_attribute_none(self):
"""Test that we get the attribute values we expect."""
self.resolver.return_value = None
attribs = attributes.Attributes('test resource',
self.attributes_schema,
self.resolver)
self.assertIsNone(attribs['test1'])
self.resolver.assert_called_once_with('test1')
def test_get_attribute_nonexist(self):
"""Test that we get the attribute values we expect."""
self.resolver.return_value = "value1"
attribs = attributes.Attributes('test resource',
self.attributes_schema,
self.resolver)
self.assertRaises(KeyError, attribs.__getitem__, 'not there')
self.assertFalse(self.resolver.called)
def test_as_outputs(self):
"""Test that Output format works as expected."""
expected = {
"test1": {
"Value": '{"Fn::GetAtt": ["test_resource", "test1"]}',
"Description": "Test attrib 1"
},
"test2": {
"Value": '{"Fn::GetAtt": ["test_resource", "test2"]}',
"Description": "Test attrib 2"
},
"test3": {
"Value": '{"Fn::GetAtt": ["test_resource", "test3"]}',
"Description": "Test attrib 3"
}
}
MyTestResourceClass = mock.MagicMock()
MyTestResourceClass.attributes_schema = {
"test1": attributes.Schema("Test attrib 1"),
"test2": attributes.Schema("Test attrib 2"),
"test3": attributes.Schema("Test attrib 3"),
}
self.assertEqual(
expected,
attributes.Attributes.as_outputs("test_resource",
MyTestResourceClass))
def test_caching_local(self):
self.resolver.side_effect = ["value1", "value1 changed"]
attribs = attributes.Attributes('test resource',
self.attributes_schema,
self.resolver)
self.assertEqual("value1", attribs['test1'])
self.assertEqual("value1", attribs['test1'])
attribs.reset_resolved_values()
self.assertEqual("value1 changed", attribs['test1'])
calls = [
mock.call('test1'),
mock.call('test1')
]
self.resolver.assert_has_calls(calls)
def test_caching_none(self):
self.resolver.side_effect = ["value3", "value3 changed"]
attribs = attributes.Attributes('test resource',
self.attributes_schema,
self.resolver)
self.assertEqual("value3", attribs['test3'])
self.assertEqual("value3 changed", attribs['test3'])
calls = [
mock.call('test3'),
mock.call('test3')
]
self.resolver.assert_has_calls(calls)
class AttributesTypeTest(common.HeatTestCase):
scenarios = [
('string_type',
dict(a_type=attributes.Schema.STRING,
value='correct value',
invalid_value=[])),
('list_type',
dict(a_type=attributes.Schema.LIST,
value=[],
invalid_value='invalid_value')),
('map_type',
dict(a_type=attributes.Schema.MAP,
value={},
invalid_value='invalid_value')),
('integer_type',
dict(a_type=attributes.Schema.INTEGER,
value=1,
invalid_value='invalid_value')),
('boolean_type',
dict(a_type=attributes.Schema.BOOLEAN,
value=True,
invalid_value='invalid_value')),
('boolean_type_string_true',
dict(a_type=attributes.Schema.BOOLEAN,
value="True",
invalid_value='invalid_value')),
('boolean_type_string_false',
dict(a_type=attributes.Schema.BOOLEAN,
value="false",
invalid_value='invalid_value'))
]
def test_validate_type(self):
resolver = mock.Mock()
msg = 'Attribute test1 is not of type %s' % self.a_type
attr_schema = attributes.Schema("Test attribute", type=self.a_type)
attrs_schema = {'res1': attr_schema}
attr = attributes.Attribute("test1", attr_schema)
attribs = attributes.Attributes('test res1', attrs_schema, resolver)
attribs._validate_type(attr, self.value)
self.assertNotIn(msg, self.LOG.output)
attribs._validate_type(attr, self.invalid_value)
self.assertIn(msg, self.LOG.output)