Merge branch 'feature/multi-db-tests' into develop

Author: Fantomas42

.travis.yml

@@ -7,12 +7,33 @@ python:
 env:
     - DJANGO=1.7
     - DJANGO=1.8
+    - DATABASE_ENGINE=sqlite
+    - DATABASE_ENGINE=postgres
+    - DATABASE_ENGINE=mysql
 matrix:
+    exclude:
+        - python: 3.2
+          env: DATABASE_ENGINE=mysql
+        - python: 3.3
+          env: DATABASE_ENGINE=mysql
+        - python: 3.4
+          env: DATABASE_ENGINE=mysql
     fast_finish: true
 install:
     - pip install -U setuptools
     - python bootstrap.py
     - ./bin/buildout versions:django=$DJANGO
+    - sh -c "if [ '$DATABASE_ENGINE' = 'postgres' ];
+      then
+        pip install psycopg2;
+        psql -c 'create database tagging;' -U postgres;
+      fi"
+    - sh -c "if [ '$DATABASE_ENGINE' = 'mysql' ];
+      then
+        pip install mysql-python;
+        mysql -e 'create database tagging CHARACTER SET utf8 COLLATE utf8_general_ci;';
+        mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root mysql;
+      fi"
 before_script:
     - ./bin/flake8 tagging
 script:

tagging/tests/settings.py

@@ -1,4 +1,5 @@
 """Tests settings"""
+import os
 
 SECRET_KEY = 'secret-key'
 
@@ -9,6 +10,26 @@
     }
 }
 
+DATABASE_ENGINE = os.environ.get('DATABASE_ENGINE')
+if DATABASE_ENGINE == 'postgres':
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.postgresql_psycopg2',
+            'NAME': 'tagging',
+            'USER': 'postgres',
+            'HOST': 'localhost'
+        }
+    }
+elif DATABASE_ENGINE == 'mysql':
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.mysql',
+            'NAME': 'zinnia',
+            'USER': 'root',
+            'HOST': 'localhost'
+        }
+    }
+
 INSTALLED_APPS = [
     'django.contrib.auth',
     'django.contrib.sessions',

tagging/tests/utils.py

@@ -1,9 +1,9 @@
 """
 Tests utils for tagging.
 """
-
 from django.template.loader import BaseLoader
 
+
 class VoidLoader(BaseLoader):
     """
     Template loader which is always returning