golang-test-sharding.yml

commands:  
  make-check:
    description: Runs tests
    steps:
      - restore_cache:
          keys:
            - go-mod-1-13-v1-{{ checksum "go.mod" }}-{{ checksum "go.sum" }}
            - go-mod-1-13-v1-{{ checksum "go.mod" }}
            - go-mod-1-13-v1-
      - run:
          name: Go tests for hail
          shell: /bin/bash
          command: |
            set -e
            cd /home/circleci/project/

            # Improve sharding: https://github.com/golang/go/issues/33527
            PACKAGES="$(go list ./... | circleci tests split --split-by=timings --timings-type=classname)"
            export PACKAGE_NAMES=$(echo $PACKAGES | tr -d '\n')
            export BUILD_NUM=$CIRCLE_BUILD_NUM
            export SHA1=$CIRCLE_SHA1

            echo "Testing the following packages:"
            echo $PACKAGE_NAMES

            gotestsum --junitfile $ARTIFACTS_DIR/report.xml -- -covermode=count -coverprofile=$ARTIFACTS_DIR/coverage_tmp.out -p 1 $PACKAGE_NAMES
      - save_cache:
          key: go-mod-1-13-v1-{{ checksum "go.mod" }}-{{ checksum "go.sum" }}
          paths:
            - "/go/pkg/mod"