test: add missing test configuration

Author: mariajgrimaldi

CHANGELOG.rst

@@ -6,15 +6,15 @@ Change Log
    in this file.  It adheres to the structure of https://keepachangelog.com/ ,
    but in reStructuredText instead of Markdown (for ease of incorporation into
    Sphinx documentation and the PyPI description).
-   
+
    This project adheres to Semantic Versioning (https://semver.org/).
 
 .. There should always be an "Unreleased" section for changes pending release.
 
 Unreleased
 ~~~~~~~~~~
 
-*
+* Add Django testing configuration.
 
 [0.1.0] - 2021-04-07
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

manage.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+"""
+Django administration utility.
+"""
+
+import os
+import sys
+
+PWD = os.path.abspath(os.path.dirname(__file__))
+
+if __name__ == '__main__':
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'test_utils.test_settings')
+    sys.path.append(PWD)

test_utils/test_settings.py

@@ -0,0 +1,31 @@
+"""
+These settings are here to use during tests, because django requires them.
+In a real-world use case, apps in this project are installed into other
+Django applications, so these settings will not be used.
+"""
+
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": "default.db",
+        "USER": "",
+        "PASSWORD": "",
+        "HOST": "",
+        "PORT": "",
+    },
+    "read_replica": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": "read_replica.db",
+        "USER": "",
+        "PASSWORD": "",
+        "HOST": "",
+        "PORT": "",
+    },
+}
+
+
+INSTALLED_APPS = (
+    "openedx_events",
+)
+
+SECRET_KEY = "not-so-secret-key"

tox.ini

@@ -32,6 +32,7 @@ ignore = D101,D200,D203,D212,D215,D404,D405,D406,D407,D408,D409,D410,D411,D412,D
 
 
 [pytest]
+DJANGO_SETTINGS_MODULE = test_utils.test_settings
 addopts = --cov openedx_events --cov-report term-missing --cov-report xml
 norecursedirs = .* docs requirements site-packages
 
@@ -43,6 +44,7 @@ commands =
 
 [testenv:docs]
 setenv =
+    DJANGO_SETTINGS_MODULE = test_utils.test_settings
     PYTHONPATH = {toxinidir}
 whitelist_externals =
     make
@@ -69,7 +71,7 @@ commands =
 
 [testenv:pii_check]
 setenv =
-    DJANGO_SETTINGS_MODULE = test_settings
+    DJANGO_SETTINGS_MODULE = test_utils.test_settings
 deps =
     -r{toxinidir}/requirements/test.txt
 commands =