fix(#127): Add MariaDB in CI test workflow

also test sqla-h with MariaDB, ran tests locally and tests didn't
fail with MariaDB probably because it is very similar to MySQL
DB.

.github/workflows/main.yml

@@ -28,6 +28,20 @@ jobs:
                     - ">=1.4,<2"
                     - ">=2"
         services:
+            mariadb:
+                image: mariadb
+                ports:
+                    # Mysql is exposed to same port
+                    - 3307:3306
+                env:
+                    MARIADB_DATABASE: sqlalchemy_history_test
+                    MARIADB_ALLOW_EMPTY_ROOT_PASSWORD: 1
+                options: >-
+                    --health-cmd "healthcheck.sh --connect --innodb_initialized"
+                    --health-interval 10s
+                    --health-timeout 5s
+                    --health-retries 3
+
             mysql:
                 image: mysql
                 ports:

tests/__init__.py

@@ -37,6 +37,8 @@ def get_dns_from_driver(driver):  # pragma: no cover
         return "mssql+pymssql://sa:MSsql2022@localhost:1433"
     elif driver == "oracle":
         return "oracle+cx_oracle://SYSTEM:Oracle2022@localhost:1521"
+    elif driver == "mariadb":
+        return "mysql+pymysql://root@localhost:3307/sqlalchemy_history_test"
     else:
         raise Exception("Unknown driver given: %r" % driver)