1 files changed, 116 insertions, 0 deletions
diff --git a/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_utils.py b/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_utils.py
new file mode 100644
index 0000000..01ba074
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_utils.py
@@ -0,0 +1,116 @@
+# Copyright 2016 Canonical Ltd
+#
+# 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.
+
+from mock import call, MagicMock, patch
+
+import ceilometer_utils as utils
+
+from test_utils import CharmTestCase
+
+TO_PATCH = [
+    'get_os_codename_package',
+    'templating',
+    'CeilometerServiceContext',
+    'config',
+    'get_os_codename_install_source',
+    'configure_installation_source',
+    'apt_install',
+    'apt_update',
+    'apt_upgrade',
+    'log'
+]
+
+
+class CeilometerUtilsTest(CharmTestCase):
+
+    def setUp(self):
+        super(CeilometerUtilsTest, self).setUp(utils, TO_PATCH)
+
+    def tearDown(self):
+        super(CeilometerUtilsTest, self).tearDown()
+
+    def test_register_configs(self):
+        configs = utils.register_configs()
+        calls = []
+        for conf in utils.CONFIG_FILES:
+            calls.append(call(conf,
+                              utils.CONFIG_FILES[conf]['hook_contexts']))
+        configs.register.assert_has_calls(calls, any_order=True)
+
+    def test_restart_map(self):
+        restart_map = utils.restart_map()
+        self.assertEquals(restart_map,
+                          {'/etc/ceilometer/ceilometer.conf': [
+                              'ceilometer-agent-compute']})
+
+    def test_do_openstack_upgrade(self):
+        self.config.side_effect = self.test_config.get
+        self.test_config.set('openstack-origin', 'cloud:precise-havana')
+        self.get_os_codename_install_source.return_value = 'havana'
+        configs = MagicMock()
+        utils.do_openstack_upgrade(configs)
+        configs.set_release.assert_called_with(openstack_release='havana')
+        self.assertTrue(self.log.called)
+        self.apt_update.assert_called_with(fatal=True)
+        dpkg_opts = [
+            '--option', 'Dpkg::Options::=--force-confnew',
+            '--option', 'Dpkg::Options::=--force-confdef',
+        ]
+        self.apt_install.assert_called_with(
+            packages=utils.CEILOMETER_AGENT_PACKAGES,
+            options=dpkg_opts, fatal=True
+        )
+        self.configure_installation_source.assert_called_with(
+            'cloud:precise-havana'
+        )
+
+    def test_assess_status(self):
+        with patch.object(utils, 'assess_status_func') as asf:
+            callee = MagicMock()
+            asf.return_value = callee
+            utils.assess_status('test-config')
+            asf.assert_called_once_with('test-config')
+            callee.assert_called_once_with()
+
+    @patch.object(utils, 'REQUIRED_INTERFACES')
+    @patch.object(utils, 'services')
+    @patch.object(utils, 'make_assess_status_func')
+    def test_assess_status_func(self,
+                                make_assess_status_func,
+                                services,
+                                REQUIRED_INTERFACES):
+        services.return_value = 's1'
+        utils.assess_status_func('test-config')
+        # ports=None whilst port checks are disabled.
+        make_assess_status_func.assert_called_once_with(
+            'test-config', REQUIRED_INTERFACES, services='s1', ports=None)
+
+    def test_pause_unit_helper(self):
+        with patch.object(utils, '_pause_resume_helper') as prh:
+            utils.pause_unit_helper('random-config')
+            prh.assert_called_once_with(utils.pause_unit, 'random-config')
+        with patch.object(utils, '_pause_resume_helper') as prh:
+            utils.resume_unit_helper('random-config')
+            prh.assert_called_once_with(utils.resume_unit, 'random-config')
+
+    @patch.object(utils, 'services')
+    def test_pause_resume_helper(self, services):
+        f = MagicMock()
+        services.return_value = 's1'
+        with patch.object(utils, 'assess_status_func') as asf:
+            asf.return_value = 'assessor'
+            utils._pause_resume_helper(f, 'some-config')
+            asf.assert_called_once_with('some-config')
+            # ports=None whilst port checks are disabled.
+            f.assert_called_once_with('assessor', services='s1', ports=None)