Implement tests

src/tests/settings.py

@@ -0,0 +1,21 @@
+"""
+Minimal Django settings file for tests
+"""
+
+from core.settings import *  # noqa: F403
+
+
+# Override database to SQLite
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": BASE_DIR / "test_db.sqlite3",  # noqa: F405
+    }
+}
+
+# Use dummy cache
+CACHES = {
+    "default": {
+        "BACKEND": "django.core.cache.backends.dummy.DummyCache",
+    }
+}