ci: added ci file

.gitlab-ci.yml

@@ -0,0 +1,47 @@
+# This file is a template, and might need editing before it works on your project.
+# Official language image. Look for the different tagged releases at:
+# https://hub.docker.com/r/library/python/tags/
+image: $CI_DOCKER_REGISTRY/python:3.8
+
+#commands to run in the Docker container before starting each job.
+before_script:
+  - pip install -e .[dev]
+
+# different stages in the pipeline
+stages:
+  - Formatter
+  - Test
+  - AdditionalTests
+  - Deploy
+
+formatter:
+  stage: Formatter
+  script:
+    - pip install black
+    - black --check --diff --color --line-length=100 ./
+
+pytest:
+  stage: Test
+  script:
+    - pytest -v --random-order ./tests
+
+tests-3.9:
+  stage: AdditionalTests
+  image: $CI_DOCKER_REGISTRY/python:3.9
+  needs: ["pytest"]
+  script:
+    - pytest -v --random-order ./tests
+  allow_failure: true
+
+tests-3.10:
+  extends: "tests-3.9"
+  stage: AdditionalTests
+  image: $CI_DOCKER_REGISTRY/python:3.10
+  allow_failure: true
+
+tests-3.11:
+  extends: "tests-3.9"
+  stage: AdditionalTests
+  image: $CI_DOCKER_REGISTRY/python:3.11
+  allow_failure: true
+