Enable postgres on the selenium tests

src/ci_scripts/conf_scripts/postgres-prepare.sh

@@ -1,8 +1,5 @@
-export DB_USER=postgres
-export DB_NAME=wirecloud_ci
-
 pip install psycopg2
 
-createdb -U postgres -h ${DB_HOST} -p ${DB_PORT} -O ${DB_USER} ${DB_NAME}
+createdb -U postgres -h ${DB_HOST:-localhost} -p ${DB_PORT:-5432} -O ${DB_USER:-postgres} ${DB_NAME:-wirecloud}
 
 cat ${WORKSPACE}/src/ci_scripts/templates/postgres-conf.template >> ${WC_INSTANCE_NAME}/settings.py

src/ci_scripts/templates/postgres-conf.template

@@ -3,10 +3,10 @@ import os
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.postgresql_psycopg2',
-        'NAME': os.environ['DB_NAME'],
-        'USER': os.environ['DB_USER'],
+        'NAME': os.environ.get('DB_NAME', 'wirecloud'),
+        'USER': os.environ.get('DB_USER', 'postgres'),
         'PASSWORD': '',
-        'HOST': os.environ.get('DB_HOST', ''),
-        'PORT': os.environ.get('DB_PORT', ''),
+        'HOST': os.environ.get('DB_HOST', 'localhost'),
+        'PORT': os.environ.get('DB_PORT', '5432'),
     }
 }

src/ci_scripts/travis.sh

@@ -7,7 +7,7 @@ if [ "${TEST_SUITE}" == "js_unittests" ]; then
     grunt ci
     exit
 elif [ "${TEST_SUITE}" == "selenium" ]; then
-    FLAGS="sqlite3 django${DJANGO_VERSION} firefox-local selenium"
+    FLAGS="postgres django${DJANGO_VERSION} firefox-local selenium"
 else
     FLAGS="sqlite3 django${DJANGO_VERSION} unittest"
 fi