Fix tests for Django 2.0.

.travis.yml

@@ -22,7 +22,12 @@ env:
 # install dependencies
 install:
   - pip install -r requirements-debug.txt
-  - pip install Django==$DJANGO_VERSION
+  - |
+    if [[ $DJANGO_VERSION =~ ^2.*$ && $TRAVIS_PYTHON_VERSION == "2.7" ]]; then
+      echo "Installing Django 2 in python 2 will fail. Keep the installed one"
+    else
+      pip install Django==$DJANGO_VERSION
+    fi
 
 # print pip packages
 before_script:

tests/settings.py

@@ -13,6 +13,9 @@
 import os
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+from admin_view_permission.enums import DjangoVersion
+from admin_view_permission.utils import django_version
+
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 
@@ -41,16 +44,27 @@
     'tests.test_app'
 ]
 
-MIDDLEWARE_CLASSES = [
-    'django.middleware.security.SecurityMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
-]
+if django_version() < DjangoVersion.DJANGO_110:
+    MIDDLEWARE_CLASSES = [
+        'django.middleware.security.SecurityMiddleware',
+        'django.contrib.sessions.middleware.SessionMiddleware',
+        'django.middleware.common.CommonMiddleware',
+        'django.middleware.csrf.CsrfViewMiddleware',
+        'django.contrib.auth.middleware.AuthenticationMiddleware',
+        'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
+        'django.contrib.messages.middleware.MessageMiddleware',
+        'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    ]
+else:
+    MIDDLEWARE = [
+        'django.middleware.security.SecurityMiddleware',
+        'django.contrib.sessions.middleware.SessionMiddleware',
+        'django.middleware.common.CommonMiddleware',
+        'django.middleware.csrf.CsrfViewMiddleware',
+        'django.contrib.auth.middleware.AuthenticationMiddleware',
+        'django.contrib.messages.middleware.MessageMiddleware',
+        'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    ]
 
 ROOT_URLCONF = 'tests.urls'