ENH: Added MariaDB Docker option to test targets in makefile.

CHANGELOG.md

@@ -39,6 +39,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
     `get_head_version`, `get_head_relative`, `get_version_history`.
   The versions are tracked internally by the `_iversion` field which is an
   integer and which should not be used outside of the backend.
+* New makefile targets for testing with MariaDB instance from Docker image: call
+  `make test-docker` to temporarily start a Docker container with MariaDB which
+  will be used for the unit tests.
 
 ### Changed ###
 

makefile

@@ -51,3 +51,21 @@ drop-%:
 .PHONY: test
 test:
 	./utils/make_db test --fresh
+
+# Run tests with a database which is started in a Docker container
+.PHONY: test-docker
+test-docker:
+	@docker kill caosdb-mysqlserver-test || true
+	@docker container rm caosdb-mysqlserver-test || true
+	@docker run --name caosdb-mysqlserver-test -p "3306:3306" \
+		-e MYSQL_ROOT_PASSWORD="pass-for-test" -d mariadb
+	@sleep 10
+	MAINPATH=$(realpath tests/docker_env) utils/make_db test --fresh
+	@docker kill caosdb-mysqlserver-test
+	@docker container rm caosdb-mysqlserver-test
+
+# if automatic stopping failed
+.PHONY: test-docker-stop
+test-docker-stop:
+	docker kill caosdb-mysqlserver-test
+	docker container rm caosdb-mysqlserver-test

tests/docker_env/.config

+# Config for tests with a Docker SQL server
+
+# The host of the MySQL server.
+MYSQL_HOST=127.0.0.1
+# The port number of the MySQL server.
+MYSQL_PORT=3306
+# The user for the installation. Note: This is not the user
+# which will then be used by the CaosDB Server.
+MYSQL_USER=root
+MYSQL_USER_PASSWORD=pass-for-test
+DATABASE_USER_HOST_LIST=127.0.0.1,%,
\ No newline at end of file

tests/docker_env/config.defaults

+../../config.defaults
\ No newline at end of file