in-memory database ?

canopeum_backend/canopeum_backend/settings.py

@@ -11,6 +11,7 @@
 """
 
 import os
+import sys
 from datetime import timedelta
 from pathlib import Path
 
@@ -170,17 +171,22 @@ def get_secret(key: str, default: str):
 
 # Database
 # https://docs.djangoproject.com/en/5.0/ref/settings/#databases
-
 DATABASES = {
-    "default": dj_database_url.parse(
-        "mysql://{}:{}@{}:{}/canopeum_db".format(
-            get_secret("MYSQL_USER_CANOPEUM", "canopeum_user"),
-            get_secret("MYSQL_PASSWORD_CANOPEUM", ""),
-            get_secret("MYSQL_HOST_CANOPEUM", "localhost"),
-            get_secret("MYSQL_PORT_CANOPEUM", "3308"),
-        ),
-        conn_max_age=600,
-        conn_health_checks=True,
+    "default": (
+        # If running Django tests, use an in-memory database,
+        # which is faster and requires less setup
+        {"ENGINE": "django.db.backends.sqlite3", "NAME": ":memory:"}
+        if sys.argv[1] == "test"
+        else dj_database_url.parse(
+            "mysql://{}:{}@{}:{}/canopeum_db".format(
+                get_secret("MYSQL_USER_CANOPEUM", "canopeum_user"),
+                get_secret("MYSQL_PASSWORD_CANOPEUM", ""),
+                get_secret("MYSQL_HOST_CANOPEUM", "localhost"),
+                get_secret("MYSQL_PORT_CANOPEUM", "3308"),
+            ),
+            conn_max_age=600,
+            conn_health_checks=True,
+        )
     ),
     # https://docs.djangoproject.com/en/5.1/ref/settings/#std-setting-DATABASE-TEST
     # This matches the default MySQL database on GitHub CI
@@ -190,7 +196,8 @@ def get_secret(key: str, default: str):
         "PORT": 3306,
     },
 }
-
+if "test" in sys.argv:
+    DATABASES["default"] = {"ENGINE": "django.db.backends.sqlite3", "NAME": ":memory:"}
 # Password validation
 # https://docs.djangoproject.com/en/5.0/ref/settings/#auth-password-validators