add code coverage

.gitlab-ci.yml

@@ -6,6 +6,7 @@ services:
 stages:
 - build
 - test
+- visualize
 - deploy
 
 variables:
@@ -29,6 +30,23 @@ test1:
   stage: test
   script:
     - lein test
+    - lein cloverage --lcov
+
+  artifacts:
+    paths:
+      - target/coverage/lcov.info
+
+coverage-jdk11:
+  stage: visualize
+  image: python:3-slim
+  script:
+    - curl https://raw.githubusercontent.com/eriwen/lcov-to-cobertura-xml/master/lcov_cobertura/lcov_cobertura.py > lcov2cobertura.py
+    - python lcov2cobertura.py target/coverage/lcov.info
+  needs: ["test1"]
+  artifacts:
+    reports:
+      cobertura: ./coverage.xml
+
 
 deploy:
   stage: deploy