---
version: 2.1

orbs:
  go: circleci/go@1.7.1

jobs:
  test:
    parameters:
      go_version:
        type: string
      use_gomod_cache:
        type: boolean
        default: true
    docker:
      - image: cimg/go:<< parameters.go_version >>
    environment:
      # Override Go 1.18 security deprecations.
      GODEBUG: "x509sha1=1,tls10default=1"
    steps:
      - checkout
      - when:
          condition: << parameters.use_gomod_cache >>
          steps:
            - go/load-cache:
                key: v1-go<< parameters.go_version >>
      - run: make test
      - run: make -C sigv4 test
      - when:
          condition: << parameters.use_gomod_cache >>
          steps:
            - go/save-cache:
                key: v1-go<< parameters.go_version >>
      - store_test_results:
          path: test-results
  test-assets:
    parameters:
      go_version:
        type: string
      use_gomod_cache:
        type: boolean
        default: true
    docker:
      - image: cimg/go:<< parameters.go_version >>
    steps:
      - checkout
      - when:
          condition: << parameters.use_gomod_cache >>
          steps:
            - go/load-cache:
                key: v1-go<< parameters.go_version >>
      - run: make -C assets test
      - when:
          condition: << parameters.use_gomod_cache >>
          steps:
            - go/save-cache:
                key: v1-go<< parameters.go_version >>
      - store_test_results:
          path: test-results
  style:
    parameters:
      go_version:
        type: string
      use_gomod_cache:
        type: boolean
        default: true
    docker:
      - image: cimg/go:<< parameters.go_version >>
    steps:
      - checkout
      - when:
          condition: << parameters.use_gomod_cache >>
          steps:
            - go/load-cache:
                key: v1-go<< parameters.go_version >>
      - run: make style
      - run: make -C sigv4 style
      - run: make -C assets style
      - run: make check-go-mod-version
      - when:
          condition: << parameters.use_gomod_cache >>
          steps:
            - go/save-cache:
                key: v1-go<< parameters.go_version >>
      - store_test_results:
          path: test-results

workflows:
  version: 2
  tests:
    jobs:
      # Supported Go versions are synced with github.com/prometheus/client_golang.
      - test:
          name: go-<< matrix.go_version >>
          matrix:
            parameters:
              go_version:
                - "1.20"
                - "1.21"
                - "1.22"
      - test-assets:
          name: assets-go-<< matrix.go_version >>
          matrix:
            parameters:
              go_version:
                - "1.22"
      - style:
          name: style
          go_version: "1.22"