Tox + CI

.gitignore

@@ -11,3 +11,6 @@ __pycache__
 # Vim
 *.swp
 *.swo
+
+# Tests
+.tox

.gitlab-ci.yml

@@ -0,0 +1,54 @@
+image: python
+
+stages:
+  - linters
+  - tests
+
+variables:
+  PIP_CACHE_DIR: "$CI_PROJECT_DIR/vendor/pip"
+
+cache:
+  paths:
+    - vendor
+
+linters:
+  stage: linters
+  before_script:
+    - mkdir -p vendor/pip
+    - pip install --upgrade black isort flake8
+  script:
+    - black --check .
+    - isort --check --diff .
+    - flake8 --exit-zero authens
+
+before_script:
+  - mkdir -p vendor/{apt,pip}
+  - apt-get update -q && apt-get -o dir::cache::archives="vendor/apt" install -yqq python3-dev libldap2-dev libsasl2-dev
+  - pip install tox
+
+python35:
+  image: python:3.5
+  stage: tests
+  script:
+    - tox -e py35-django22
+
+python36:
+  image: python:3.6
+  stage: tests
+  script:
+    - tox -e py36-django22
+    - tox -e py36-django30
+
+python37:
+  image: python:3.7
+  stage: tests
+  script:
+    - tox -e py37-django22
+    - tox -e py37-django30
+
+python38:
+  image: python:3.8
+  stage: tests
+  script:
+    - tox -e py38-django22
+    - tox -e py38-django30

tox.ini

@@ -0,0 +1,13 @@
+[tox]
+envlist =
+  py{35,36,37,38}-django22,
+  py{36,37,38}-django30
+
+[testenv]
+deps =
+  django22: Django==2.2.*
+  django30: Django==3.0.*
+  python-cas
+commands =
+  python --version
+  python runtests.py