Add tests for cfn_hup.

Change-Id: Ibf69f99171c2c8316a0ea0a377e2fb186d5837b7

1 files changed, 114 insertions, 0 deletions

diff --git a/heat_cfntools/tests/test_cfn_hup.py b/heat_cfntools/tests/test_cfn_hup.py
new file mode 100644
index 0000000..9cfe98e
--- /dev/null
+++ b/heat_cfntools/tests/test_cfn_hup.py
@@ -0,0 +1,114 @@
+#
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+#
+# 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 fixtures
+import mox
+import tempfile
+import testtools
+
+from heat_cfntools.cfntools import cfn_helper
+
+
+class FakeServicesHandler(object):
+    def __init__(self, *args, **kwargs):
+        self.m = mox.Mox()
+        self.m.StubOutWithMock(self, 'monitor_services')
+        self.monitor_services()
+        self.m.ReplayAll()
+
+    def monitor_services(self):
+        raise Exception('Mock not called')
+
+    def __del__(self):
+        self.m.VerifyAll()
+        self.m.UnsetStubs()
+
+
+class TestCfnHup(testtools.TestCase):
+
+    def setUp(self):
+        super(TestCfnHup, self).setUp()
+        self.m = mox.Mox()
+        self.logger = self.useFixture(fixtures.FakeLogger())
+        self.stack_name = self.getUniqueString()
+        self.resource = self.getUniqueString()
+        self.region = self.getUniqueString()
+        self.creds = tempfile.NamedTemporaryFile()
+        self.metadata = cfn_helper.Metadata(self.stack_name,
+                                            self.resource,
+                                            credentials_file=self.creds.name,
+                                            region=self.region)
+        self.init_content = self.getUniqueString()
+        self.init_temp = tempfile.NamedTemporaryFile()
+        self.service_name = self.getUniqueString()
+        self.init_section = {'AWS::CloudFormation::Init': {
+            'config': {
+                'services': {
+                    'sysvinit': {
+                        self.service_name: {
+                            'enabled': True,
+                            'ensureRunning': True,
+                        }
+                    }
+                },
+                'files': {
+                    self.init_temp.name: {
+                        'content': self.init_content
+                    }
+                }
+            }
+        }
+        }
+
+    def _mock_retrieve_metadata(self, desired_metadata):
+        self.m.StubOutWithMock(self.metadata, 'remote_metadata')
+        self.metadata.remote_metadata().AndReturn(desired_metadata)
+        self.m.ReplayAll()
+
+        with tempfile.NamedTemporaryFile() as last_md:
+            self.metadata.retrieve(last_path=last_md.name)
+
+    def test_cfn_hup_empty_metadata(self):
+
+        self._mock_retrieve_metadata({})
+
+        hooks = []
+        self.metadata.cfn_hup(hooks)
+
+        self.assertIn('Metadata does not contain a', self.logger.output)
+        self.m.VerifyAll()
+        self.m.UnsetStubs()
+
+    def test_cfn_hup_hooks(self):
+
+        self._mock_retrieve_metadata(self.init_section)
+        self.useFixture(
+            fixtures.MonkeyPatch(
+                'heat_cfntools.cfntools.cfn_helper.ServicesHandler',
+                FakeServicesHandler))
+
+        section = self.getUniqueString()
+        triggers = 'post.add,post.delete,post.update'
+        path = 'Resources.%s.Metadata' % self.resource
+        runas = 'root'
+        action = '/bin/sh -c "true"'
+        hook = cfn_helper.Hook(section, triggers, path, runas, action)
+        self.m.StubOutWithMock(hook, 'event')
+        hook.event('post.update', self.resource, self.resource).AndReturn(None)
+        self.m.ReplayAll()
+
+        self.metadata.cfn_hup([hook])
+        self.m.VerifyAll()
+        self.m.UnsetStubs()