[#3229] Fix various issues in tests

The DataStore ones were encoding things badly.
On the multilingual plugin, the origin of the failure is unclear
but it was related to the PylonsTestCase in
the legacy tests messing with the pylons request object.

ckan/tests/legacy/logic/test_auth.py

@@ -1,6 +1,5 @@
 # encoding: utf-8
 
-import paste
 from ckan.common import config
 import ckan.config.middleware
 import ckan.tests.legacy as tests
@@ -252,6 +251,9 @@ def setup_class(cls):
         for user in model.Session.query(model.User):
             cls.apikeys[user.name] = str(user.apikey)
 
+        cls.sysadmin = get_action('get_site_user')(
+            {'model': model, 'ignore_auth': True}, {})
+
         cls._original_config = config.copy()
 
         config['ckan.auth.roles_that_cascade_to_sub_groups'] = 'admin'
@@ -273,7 +275,8 @@ def teardown_class(cls):
     def _reset_a_datasets_owner_org(self):
         rev = model.repo.new_revision()
         get_action('package_owner_org_update')(
-            {'model': model, 'ignore_auth': True},
+            {'model': model, 'user': self.sysadmin['name'],
+             'ignore_auth': True},
             {'id': 'adataset',
              'organization_id': 'national-health-service'})
 

ckanext/datastore/tests/test_search.py

@@ -2,6 +2,7 @@
 
 import json
 import nose
+import urllib
 import pprint
 
 import sqlalchemy.orm as orm
@@ -926,10 +927,9 @@ def test_self_join(self):
             where a.author = b.author
             limit 2
             '''.format(self.data['resource_id'])
-        data = {'sql': query}
-        postparams = json.dumps(data)
+        data = urllib.urlencode({'sql': query})
         auth = {'Authorization': str(self.normal_user.apikey)}
-        res = self.app.post('/api/action/datastore_search_sql', params=postparams,
+        res = self.app.post('/api/action/datastore_search_sql', params=data,
                             extra_environ=auth)
         res_dict = json.loads(res.body)
         assert res_dict['success'] is True
@@ -1091,7 +1091,7 @@ def test_not_authorized_to_access_system_tables(self):
         ]
         for query in test_cases:
             data = {'sql': query.replace('\n', '')}
-            postparams = json.dumps(data)
+            postparams = urllib.urlencode(data)
             res = self.app.post('/api/action/datastore_search_sql',
                                 params=postparams,
                                 status=403)

ckanext/multilingual/plugin.py

@@ -109,6 +109,7 @@ def translate_resource_data_dict(data_dict):
     as possible translated into the desired or the fallback language.
 
     '''
+
     desired_lang_code = request.environ['CKAN_LANG']
     fallback_lang_code = config.get('ckan.locale_default', 'en')
 
@@ -257,6 +258,8 @@ def before_search(self, search_params):
                 current_lang = config.get('ckan.locale_default')
             else:
                 raise
+        except KeyError:
+            current_lang = config.get('ckan.locale_default')
 
         # fallback to default locale if locale not in suported langs
         if not current_lang in lang_set: