deb-heat/heat/tests/test_attributes.py
Sergey Kraynev 82f07cc69b Use HeatTestCase as parent instead of testtools
Let's use base class for test, which allows to write scenarious tests in
child clases.

Change-Id: I8276513d6ce5a83ce1b46ff3107cc0e3223d9b4d
2015-03-31 15:17:29 +00:00

178 lines
6.8 KiB
Python

#
# 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
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))
def test_all_resource_schemata(self):
for resource_type in resources.global_env().get_types():
for schema in getattr(resource_type,
'attributes_schema',
{}).itervalues():
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)
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)
def test_old_attribute_schema_format(self):
with mock.patch('heat.engine.attributes.warnings'):
s = 'Test description.'
self.assertIsInstance(attributes.Schema.from_attribute(s),
attributes.Schema)
self.assertEqual('Test description.',
attributes.Schema.from_attribute(s).description)
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."""
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 setUp(self):
super(AttributesTest, self).setUp()
self.addCleanup(self.m.VerifyAll)
def test_get_attribute(self):
"""Test that we get the attribute values we expect."""
test_resolver = lambda x: "value1"
self.m.ReplayAll()
attribs = attributes.Attributes('test resource',
self.attributes_schema,
test_resolver)
self.assertEqual("value1", attribs['test1'])
def test_get_attribute_none(self):
"""Test that we get the attribute values we expect."""
test_resolver = lambda x: None
self.m.ReplayAll()
attribs = attributes.Attributes('test resource',
self.attributes_schema,
test_resolver)
self.assertIsNone(attribs['test1'])
def test_get_attribute_nonexist(self):
"""Test that we get the attribute values we expect."""
test_resolver = lambda x: "value1"
self.m.ReplayAll()
attribs = attributes.Attributes('test resource',
self.attributes_schema,
test_resolver)
self.assertRaises(KeyError, attribs.__getitem__, 'not there')
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 = self.m.CreateMockAnything()
MyTestResourceClass.attributes_schema = {
"test1": attributes.Schema("Test attrib 1"),
"test2": attributes.Schema("Test attrib 2"),
"test3": attributes.Schema("Test attrib 3"),
}
self.m.ReplayAll()
self.assertEqual(
expected,
attributes.Attributes.as_outputs("test_resource",
MyTestResourceClass))
def test_caching_local(self):
value = 'value1'
test_resolver = lambda x: value
self.m.ReplayAll()
attribs = attributes.Attributes('test resource',
self.attributes_schema,
test_resolver)
self.assertEqual("value1", attribs['test1'])
value = 'value1 changed'
self.assertEqual("value1", attribs['test1'])
attribs.reset_resolved_values()
self.assertEqual("value1 changed", attribs['test1'])
def test_caching_none(self):
value = 'value3'
test_resolver = lambda x: value
self.m.ReplayAll()
attribs = attributes.Attributes('test resource',
self.attributes_schema,
test_resolver)
self.assertEqual("value3", attribs['test3'])
value = 'value3 changed'
self.assertEqual("value3 changed", attribs['test3'])