add README.md

Author: dust333

tests/README.md

@@ -0,0 +1,32 @@
+
+# Mamonsu autotests
+
+Mamonsu testing with different Postgres version, different operation systems(not supported yet). Uses docker-compose to run all services.
+
+
+## Installation
+
+
+```bash
+  pip3 install -e requirement.txt
+```
+
+## Usage/Examples
+
+You can simly run tests with only pytest mark "bash" and it will be ran with Postgres version from env variable POSTGRES_VERSION which is specified in .env file
+
+```bash
+pytest -m bash
+```
+
+You can run tests with different Postgres versions with  POSTGRES_VERSIONS variable
+
+```bash
+POSTGRES_VERSIONS=12,13 pytest -m bash
+```
+
+To run specific test you have to use -k flag with function name
+
+```bash
+POSTGRES_VERSIONS=12,13 pytest -k test_export_zabbix_params
+```

tests/tests/conftest.py

@@ -34,18 +34,13 @@ def mamonsu_container(docker_compose) -> Container:  # noqa
     container.remove()
 
 
-def parametrize(pg_version: int) -> int:
-    os.environ["POSTGRES_VERSION"] = str(pg_version)
-    return pg_version
-
-
-@pytest.fixture(scope="session", params=[12, 13, 14, 15, 16, 17])
+@pytest.fixture(scope="session", params=os.getenv('POSTGRES_VERSIONS', str(Config().POSTGRES_VERSION)).split(','))
 def docker_compose(config: Config, request) -> None:
     subprocess.run(
         ["docker", "rmi", f"{ContainersEnum.MAMONSU}:latest"]
     )
-
     os.environ["POSTGRES_VERSION"] = str(request.param)
+
     subprocess.run(
         [
             "docker-compose",