.gitlab-ci.yml

# When using dind, it's wise to use the overlayfs driver for
# improved performance.
variables:
  GO_IMAGE: "docker.io/library/golang"
  GO_VERSION: "1.22.3-bookworm"

.go-cache:
  variables:
    GOPATH: ${CI_PROJECT_DIR}/.go
  before_script:
    - mkdir -p .go
  cache:
    ## share cache across the same branch
    key: ${CI_COMMIT_REF_SLUG}
    policy: pull-push
    paths:
      - .go/pkg/mod/

test and coverage:
  stage: test
  retry: 2
  coverage: '/coverage: (\d+.\d+)% of statements/'
  extends:
    - .go-cache
  image: $GO_IMAGE:$GO_VERSION
  script:
    ## generate files
    - export PATH=$PATH:$GOPATH/bin
    - |
        ## install dependencies
        export CUR=$(pwd)
        export G_OLD=$GOOS
        export GOOS=linux
        cd /

        go install github.com/alvaroloes/enumer@latest

        # run tests and generate Coverage report
        go install github.com/jstemmer/go-junit-report/v2@latest
        go install github.com/boumenot/gocover-cobertura@latest

        ## go back
        cd "${CUR}"
        export GOOS=$G_OLD
    - |
      echo "+ Path..: $PATH";
      echo "+ GoPath: $GOPATH";
      ls -lah $GOPATH/bin;

      export COVDATA="${CI_PROJECT_DIR}/covdata";
      export TEST_LOG="${CI_PROJECT_DIR}/unit_test.log";
      mkdir -p ${COVDATA};

      ## Coverage Data #1: tests directly in the module (units tests, examples, ...)
      go test -v \
        -cover \
        -covermode=atomic \
        -coverpkg=go.l0nax.org/typact \
        ./... -args -test.gocoverdir="${COVDATA}" 2>&1 | tee -a "${TEST_LOG}";

      ## Coverage Data #2: unit tests/ integration tests which we placed in another module
      cd ./testing/option/;
      go test -v \
        -cover \
        -covermode=atomic \
        -coverpkg=go.l0nax.org/typact \
        ./... -args -test.gocoverdir="${COVDATA}" 2>&1 | tee -a "${TEST_LOG}";
      cd ${CI_PROJECT_DIR};


      ## Merge Coverage Data
      cd ${CI_PROJECT_DIR};
      echo "++++ Finished collecting coverage data: merging";
      mkdir -p ./coverage;
      go tool covdata merge -i="${COVDATA}" -o ./coverage;

      # NOTE: Just to log the total percent
      go tool covdata percent -i ./coverage;

      go tool covdata textfmt -i ./coverage -o ./coverage.txt;
      rm -rf ./coverage ${COVDATA};

      ## Now we can finally generate our reports
      echo "++++ Finished merging and processing coverage data: generating reports";
      gocover-cobertura < ./coverage.txt > coverage.xml;

      cat "${TEST_LOG}" | go-junit-report -set-exit-code > unit-tests.xml
  artifacts:
    reports:
      coverage_report:
        coverage_format: cobertura
        path: coverage.xml
      junit: unit-tests.xml