[test] Extract test case fixtures into a mixin class

test/unittest_hooks.py

@@ -4,28 +4,10 @@ from cubicweb import Binary
 from cubicweb.devtools.testlib import CubicWebTC
 
 from cubes.ckanpublish.utils import ckan_post, CKANPostError
+from cubes.ckanpublish.testutils import CKANPublishTestMixin
 
 
-class CKANPublishHooksTC(CubicWebTC):
-
-    dataset_owner_org = None
-
-    @classmethod
-    def setUpClass(cls):
-        try:
-            from ckanconfig import baseurl, apikey, organization
-        except ImportError:
-            cls.__unittest_skip__ = True
-            cls.__unittest_skip_why__ = 'no CKAN instance configuration found'
-        else:
-            cls.ckan_config = {'ckan-baseurl': baseurl,
-                               'ckan-api-key': apikey,
-                               'ckan-organization': organization}
-            cls.dataset_owner_org = organization
-
-    def setup_database(self):
-        for k, v in self.ckan_config.items():
-            self.config.global_set_option(k, v)
+class CKANPublishHooksTC(CKANPublishTestMixin, CubicWebTC):
 
     def tearDown(self):
         with self.admin_access.repo_cnx() as cnx:

testutils.py

+# copyright 2015 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr -- mailto:contact@logilab.fr
+#
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""cubicweb-ckanpublish test utilities"""
+
+
+class CKANPublishTestMixin(object):
+    """Test case mixin to handle CKAN instance configuration, setup and
+    teardown.
+
+    Relies on the presence of a `ckanconfig.py` module in test directory.
+    """
+    dataset_owner_org = None
+
+    @classmethod
+    def setUpClass(cls):
+        try:
+            from ckanconfig import baseurl, apikey, organization
+        except ImportError:
+            cls.__unittest_skip__ = True
+            cls.__unittest_skip_why__ = 'no CKAN instance configuration found'
+        else:
+            cls.ckan_config = {'ckan-baseurl': baseurl,
+                               'ckan-api-key': apikey,
+                               'ckan-organization': organization}
+            cls.dataset_owner_org = organization
+
+    def setup_database(self):
+        for k, v in self.ckan_config.items():
+            self.config.global_set_option(k, v)