ci: add GitLab CI

Signed-off-by: Matej Focko <mfocko@redhat.com>

.gitlab-ci.yml

@@ -0,0 +1,42 @@
+image: python:latest
+
+variables:
+  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
+
+cache:
+  paths:
+    - .cache/pip
+    - venv/
+
+before_script:
+  - python --version
+  - pip install virtualenv
+  - virtualenv venv
+  - source venv/bin/activate
+
+black:
+  stage: test
+  script:
+    - pip install black
+    - make black
+
+flake8:
+  stage: test
+  script:
+    - pip install flake8
+    - make flake8
+
+pytest:
+  stage: test
+  script:
+    - pip install hypothesis pytest pytest-cov
+    - make check
+  coverage: '/TOTAL.*\s([.\d]+)%/'
+  artifacts:
+    when: always
+    reports:
+      junit: report.xml
+      coverage_report:
+        coverage_format: cobertura
+        path: coverage.xml
+

Makefile

@@ -1,5 +1,5 @@
 check:
-	pytest -vvv --log-level debug --cov --cov-report=term-missing
+	pytest -vvv --log-level debug --cov --cov-report=term-missing --cov-report=xml:coverage.xml --junitxml=report.xml
 
 lint: black flake8 mypy