add coverage

.gitlab-ci.yml

@@ -27,8 +27,8 @@ test-backend:
   stage: lint_test_coverage_backend
   variables:
     DATABASE_HOST: postgres
-    SECRET_KEY: testsecretkey
     DJANGO_SETTINGS_MODULE: "metagenedb.settings-gitlab-ci"
   script:
     - flake8 --max-line-length 120
-    - coverage run --source='.' scripts/manage.py test metagenedb/tests
+    - coverage run --source='.' scripts/manage.py test -v 2 metagenedb/tests
+    - coverage report

README.md

 # Metagenedb
 
+[![pipeline status](https://gitlab.pasteur.fr/metagenomics/metagenedb/badges/master/pipeline.svg)](https://gitlab.pasteur.fr/metagenomics/metagenedb/commits/master)
+[![coverage report](https://gitlab.pasteur.fr/metagenomics/metagenedb/badges/master/coverage.svg)](https://gitlab.pasteur.fr/metagenomics/metagenedb/commits/master)
+
 Django based project to build metagenomics genes catalog and tools
 to play with it and contact external services.