heat/heat/tests/test_resource.py

186 lines
7.1 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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 unittest
from nose.plugins.attrib import attr
import mox
from heat.common import context
from heat.engine import parser
from heat.engine import resource
from heat.openstack.common import uuidutils
@attr(tag=['unit', 'resource'])
@attr(speed='fast')
class ResourceTest(unittest.TestCase):
def setUp(self):
self.stack = parser.Stack(None, 'test_stack', parser.Template({}),
stack_id=uuidutils.generate_uuid())
def test_state_defaults(self):
tmpl = {'Type': 'Foo'}
res = resource.GenericResource('test_res_def', tmpl, self.stack)
self.assertEqual(res.state, None)
self.assertEqual(res.state_description, '')
def test_state(self):
tmpl = {'Type': 'Foo'}
res = resource.GenericResource('test_resource', tmpl, self.stack)
res.state_set('bar')
self.assertEqual(res.state, 'bar')
def test_state_description(self):
tmpl = {'Type': 'Foo'}
res = resource.GenericResource('test_resource', tmpl, self.stack)
res.state_set('blarg', 'wibble')
self.assertEqual(res.state_description, 'wibble')
def test_type(self):
tmpl = {'Type': 'Foo'}
res = resource.GenericResource('test_resource', tmpl, self.stack)
self.assertEqual(res.type(), 'Foo')
def test_created_time(self):
tmpl = {'Type': 'Foo'}
res = resource.GenericResource('test_res_new', tmpl, self.stack)
self.assertEqual(res.created_time, None)
res._store()
self.assertNotEqual(res.created_time, None)
def test_updated_time(self):
tmpl = {'Type': 'Foo'}
res = resource.GenericResource('test_res_upd', tmpl, self.stack)
res._store()
stored_time = res.updated_time
res.state_set(res.CREATE_IN_PROGRESS, 'testing')
self.assertNotEqual(res.updated_time, None)
self.assertNotEqual(res.updated_time, stored_time)
def test_parsed_template(self):
tmpl = {
'Type': 'Foo',
'foo': {'Fn::Join': [' ', ['bar', 'baz', 'quux']]}
}
res = resource.GenericResource('test_resource', tmpl, self.stack)
parsed_tmpl = res.parsed_template()
self.assertEqual(parsed_tmpl['Type'], 'Foo')
self.assertEqual(parsed_tmpl['foo'], 'bar baz quux')
self.assertEqual(res.parsed_template('foo'), 'bar baz quux')
self.assertEqual(res.parsed_template('foo', 'bar'), 'bar baz quux')
def test_parsed_template_default(self):
tmpl = {'Type': 'Foo'}
res = resource.GenericResource('test_resource', tmpl, self.stack)
self.assertEqual(res.parsed_template('foo'), {})
self.assertEqual(res.parsed_template('foo', 'bar'), 'bar')
def test_metadata_default(self):
tmpl = {'Type': 'Foo'}
res = resource.GenericResource('test_resource', tmpl, self.stack)
self.assertEqual(res.metadata, {})
def test_equals_different_stacks(self):
tmpl1 = {'Type': 'Foo'}
tmpl2 = {'Type': 'Foo'}
tmpl3 = {'Type': 'Bar'}
stack2 = parser.Stack(None, 'test_stack', parser.Template({}),
stack_id=-1)
res1 = resource.GenericResource('test_resource', tmpl1, self.stack)
res2 = resource.GenericResource('test_resource', tmpl2, stack2)
res3 = resource.GenericResource('test_resource2', tmpl3, stack2)
self.assertEqual(res1, res2)
self.assertNotEqual(res1, res3)
def test_equals_names(self):
tmpl1 = {'Type': 'Foo'}
tmpl2 = {'Type': 'Foo'}
res1 = resource.GenericResource('test_resource1', tmpl1, self.stack)
res2 = resource.GenericResource('test_resource2', tmpl2, self.stack)
self.assertNotEqual(res1, res2)
def test_update_template_diff_empty(self):
tmpl = {'Type': 'Foo'}
update_snippet = {}
res = resource.GenericResource('test_resource', tmpl, self.stack)
self.assertRaises(NotImplementedError, res.update_template_diff,
update_snippet)
def test_update_template_diff_changed_notallowed(self):
tmpl = {'Type': 'Foo'}
update_snippet = {'Type': 'Bar'}
res = resource.GenericResource('test_resource', tmpl, self.stack)
self.assertRaises(NotImplementedError, res.update_template_diff,
update_snippet)
def test_update_template_diff_changed_modified(self):
tmpl = {'Type': 'Foo', 'Metadata': {'foo': 123}}
update_snippet = {'Type': 'Foo', 'Metadata': {'foo': 456}}
res = resource.GenericResource('test_resource', tmpl, self.stack)
res.update_allowed_keys = ('Metadata',)
diff = res.update_template_diff(json_snippet=update_snippet)
self.assertEqual(diff, {'Metadata': {'foo': 456}})
def test_update_template_diff_changed_add(self):
tmpl = {'Type': 'Foo'}
update_snippet = {'Type': 'Foo', 'Metadata': {'foo': 123}}
res = resource.GenericResource('test_resource', tmpl, self.stack)
res.update_allowed_keys = ('Metadata',)
diff = res.update_template_diff(json_snippet=update_snippet)
self.assertEqual(diff, {'Metadata': {'foo': 123}})
def test_update_template_diff_changed_remove(self):
tmpl = {'Type': 'Foo', 'Metadata': {'foo': 123}}
update_snippet = {'Type': 'Foo'}
res = resource.GenericResource('test_resource', tmpl, self.stack)
res.update_allowed_keys = ('Metadata',)
diff = res.update_template_diff(json_snippet=update_snippet)
self.assertEqual(diff, {'Metadata': None})
@attr(tag=['unit', 'resource'])
@attr(speed='fast')
class MetadataTest(unittest.TestCase):
def setUp(self):
self.m = mox.Mox()
tmpl = {
'Type': 'Foo',
'Metadata': {'Test': 'Initial metadata'}
}
ctx = context.get_admin_context()
self.m.StubOutWithMock(ctx, 'username')
ctx.username = 'metadata_test_user'
self.stack = parser.Stack(ctx, 'test_stack', parser.Template({}))
self.stack.store()
self.res = resource.GenericResource('metadata_resource',
tmpl, self.stack)
self.res.create()
def tearDown(self):
self.stack.delete()
self.m.UnsetStubs()
def test_read_initial(self):
self.assertEqual(self.res.metadata, {'Test': 'Initial metadata'})
def test_write(self):
test_data = {'Test': 'Newly-written data'}
self.res.metadata = test_data
self.assertEqual(self.res.metadata, test_data)