Add some testing for ci_check_all_candidate_files

Change-Id: Id5a89a684e377532858ba2e3e78dff47b688d52b

openstack_election/tests/cmds/test_ci_checks.py

@@ -0,0 +1,57 @@
+# 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 __future__ import absolute_import
+from __future__ import print_function
+from __future__ import unicode_literals
+
+import mock
+
+from openstack_election.cmds import ci_check_all_candidate_files
+from openstack_election.tests import base
+from openstack_election import utils
+
+
+class TestFindModifiedCandidateFiles(base.ElectionTestCase):
+    @mock.patch('subprocess.check_output')
+    def test_find_modified_candidate_files_empty(self, mock_check_output):
+        mock_check_output.return_value = b''
+        filenames = \
+            ci_check_all_candidate_files.find_modified_candidate_files()
+        self.assertEqual([], filenames)
+
+    @mock.patch('subprocess.check_output')
+    def test_find_modified_candidate_files_new_election(self,
+                                                        mock_check_output):
+        check_output = (('configuration.yaml\n'
+                         '%(path)s/.placeholder\n'
+                         ) % ({'path': utils.CANDIDATE_PATH})).encode('utf-8')
+        expected_filenames = ['%s/.placeholder' % utils.CANDIDATE_PATH]
+        mock_check_output.return_value = check_output
+        filenames = \
+            ci_check_all_candidate_files.find_modified_candidate_files()
+        self.assertEqual(expected_filenames, filenames)
+
+    @mock.patch('subprocess.check_output')
+    def test_find_modified_candidate_files_all_good(self, mock_check_output):
+        check_output = (('configuration.yaml\n'
+                         'openstack_election/__init__py\n'
+                         '%(path)s/cadidate\n'
+                         '%(path)s/.placeholder\n'
+                         ) % ({'path': utils.CANDIDATE_PATH})).encode('utf-8')
+        expected_filenames = ['%s/cadidate' % utils.CANDIDATE_PATH,
+                              '%s/.placeholder' % utils.CANDIDATE_PATH
+                              ]
+        mock_check_output.return_value = check_output
+        filenames = \
+            ci_check_all_candidate_files.find_modified_candidate_files()
+        self.assertEqual(expected_filenames, filenames)