Unit tests for openstack_config and utils modules

Change-Id: I20e7be8e0d440efb1709f28c9b3b08ef79377de6

fuel_external_git/tests/base.py

@@ -0,0 +1,14 @@
+import os
+
+from oslotest import base
+
+from fuel_external_git import settings
+
+
+class TestCase(base.BaseTestCase):
+
+    """Test case base class for all unit tests."""
+    def setUp(self):
+        super(TestCase, self).setUp()
+        self.config = settings.GitExtensionSettings().config
+        self.cfg_sample_dir = os.path.join(os.path.dirname(__file__), 'cfgs')

fuel_external_git/tests/cfgs/controller_configs/nova.conf

@@ -0,0 +1,5 @@
+[DEFAULT]
+global_param = global_param
+global_param_to_override = override_from_role
+role_param = role_param
+role_param_to_override = role_param_to_override

fuel_external_git/tests/cfgs/node_1_configs/nova.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+role_param_to_override = override_from_node
+node_param = node_param

fuel_external_git/tests/cfgs/nova.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+global_param = global_param
+global_param_to_override = global_param_to_override

fuel_external_git/tests/cfgs/overrides.yaml

@@ -0,0 +1,8 @@
+nodes:
+  '1': node_1_configs
+  '2': node_2_configs
+roles:
+  'cinder': 'cinder_configs'
+  'compute': 'compute_configs'
+  'controller': 'controller_configs'
+  'primary-controller': 'controller_configs'

fuel_external_git/tests/test_openstack_config.py

@@ -0,0 +1,25 @@
+import os
+
+from fuel_external_git.tests import base
+from fuel_external_git.openstack_config import OpenStackConfig
+
+
+class TestOpenStackConfig(base.TestCase):
+
+    def test_config_name(self):
+        file_name = os.path.join(self.cfg_sample_dir, 'nova.conf')
+        cfg = OpenStackConfig(file_name, self.config['resource_mapping'])
+        self.assertEqual(cfg.config_name, 'nova_config')
+
+    def test_dict_generation(self):
+        resource = {
+            'DEFAULT/global_param': {
+                'value': 'global_param'
+            },
+            'DEFAULT/global_param_to_override': {
+                'value': 'global_param_to_override'
+            },
+        }
+        file_name = os.path.join(self.cfg_sample_dir, 'nova.conf')
+        cfg = OpenStackConfig(file_name, self.config['resource_mapping'])
+        self.assertEqual(cfg.to_config_dict(), resource)

fuel_external_git/tests/test_utils.py

@@ -0,0 +1,59 @@
+import copy
+from fuel_external_git.tests import base
+from fuel_external_git import utils
+
+
+class TestUtils(base.TestCase):
+    def test_extension_list(self):
+        mapping = {
+            'ceilometer_api_paste_ini': {
+                'alias': 'ceilometer-api-paste.ini',
+                'path': '/etc/ceilometer/api-paste.ini',
+            },
+            'ceilometer': {
+                'alias': 'ceilometer.conf',
+                'path': '/etc/ceilometer/ceilometer.conf',
+            }
+        }
+        ext_list = utils.get_file_exts_list(mapping)
+        self.assertEqual(ext_list, set(['ini', 'conf']))
+
+    def test_deep_merge_two_empy(self):
+        a = {}
+        b = {}
+        utils.deep_merge(a, b)
+        self.assertEqual(a, {})
+        
+    def test_deep_merge_one_empy(self):
+        sample_dict = {
+            'a': {'b': {'c': 'd'}},
+            'e': {'f': {'g': 'h'}},
+        }
+        new_dict = copy.deepcopy(sample_dict)
+        utils.deep_merge(new_dict, {})
+        self.assertEqual(new_dict, sample_dict)
+        
+        new_dict = {}
+        utils.deep_merge(new_dict, sample_dict)
+        self.assertEqual(new_dict, sample_dict)
+
+    def test_merge_two_discts(self):
+        a = {
+            'a': {'b': {'c': 'd'}},
+            'e': {'f': {'g': 'h'}},
+        }
+
+        b = {
+            'x': {'b': {'c': 'd'}},
+            'y': {'f': {'g': 'h'}},
+        }
+       
+        result = {
+            'a': {'b': {'c': 'd'}},
+            'e': {'f': {'g': 'h'}},
+            'x': {'b': {'c': 'd'}},
+            'y': {'f': {'g': 'h'}},
+        }
+        
+        utils.deep_merge(a, b)
+        self.assertEqual(a, result)

setup.py

@@ -2,10 +2,15 @@ import os
 
 from setuptools import setup
 from setuptools.command.install import install
+try:
+    from nailgun.db import db
+    from nailgun.db.sqlalchemy.models import Cluster
+    from nailgun.db.sqlalchemy.models import Release
 
-from nailgun.db import db
-from nailgun.db.sqlalchemy.models import Cluster
-from nailgun.db.sqlalchemy.models import Release
+    no_nailgun = False
+except:
+    no_nailgun = True
+    
 
 
 def package_files(directory):
@@ -53,7 +58,7 @@ setup(
                     ],
        packages=['fuel_external_git'],
        package_data={'fuel_external_git': extra_files},
-       cmdclass={'install': ExtInstall},
+       cmdclass={'install': ExtInstall} if not no_nailgun else {},
        entry_points={
           'nailgun.extensions': [
              'fuel_external_git = fuel_external_git.extension:ExternalGit',

test-requirements.txt

@@ -0,0 +1,17 @@
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+
+hacking<0.11,>=0.10.0
+
+coverage>=3.6
+discover
+oslo.db[fixtures,mysql,postgresql]
+oslotest>=1.10.0 # Apache-2.0
+testrepository>=0.0.18
+testscenarios>=0.4
+testtools>=1.4.0
+requests-mock
+python-fuelclient
+os-testr>=0.4.1 # Apache-2.0
+mock>=1.2 # BSD

tox.ini

@@ -0,0 +1,41 @@
+[tox]
+minversion = 1.6
+envlist = py27,pep8
+skipsdist = True
+
+[base]
+NAILGUN_REPO = git+https://github.com/openstack/fuel-web.git
+NAILGUN_CONFIG = {toxinidir}/nailgun-test-settings.yaml
+NAILGUN_BRANCH={env:ZUUL_BRANCH:stable/mitaka}
+
+[testenv]
+usedevelop = True
+install_command = pip install -U {opts} {packages}
+setenv =
+   VIRTUAL_ENV={envdir}
+   PYTHONWARNINGS=ignore:Unmanaged access of declarative attribute __tablename__ from non-mapped class ModelMixin
+   OS_TEST_DBAPI_ADMIN_CONNECTION=mysql+pymysql://openstack_citest:openstack_citest@localhost/;postgresql://openstack_citest:openstack_citest@localhost/postgres;sqlite:///testdb
+deps = -r{toxinidir}/requirements.txt
+       -r{toxinidir}/test-requirements.txt
+       -e{[base]NAILGUN_REPO}@{[base]NAILGUN_BRANCH}#egg=nailgun[test]&subdirectory=nailgun
+commands = py.test -v --junit-xml {toxinidir}/extension.xml {posargs}
+
+[testenv:pep8]
+commands = flake8
+
+[testenv:venv]
+commands = {posargs}
+
+[testenv:cover]
+commands = python setup.py test --coverage --testr-args='{posargs}'
+
+[testenv:debug]
+commands = oslo_debug_helper {posargs}
+
+[flake8]
+# E123, E125 skipped as they are invalid PEP-8.
+
+show-source = True
+ignore = E123,E125
+builtins = _
+exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build