name: Coverage

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths-ignore:
      - 'docs/**'
      - '**/*.md'

permissions:
  contents: read
  id-token: write

env:
  EDITION: 'oss'
  WIRE_TAGS: 'oss'

jobs:
  main:
    name: Backend Unit Tests
    runs-on: ubuntu-latest-8-cores
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          persist-credentials: false
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: true
      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential shared-mime-info
          go install github.com/mfridman/tparse@c1754a1f484ac5cd422697b0fec635177ddc8507 # v0.17.0
      - name: Generate Go code
        run: make gen-go
      - name: Run unit tests
        run: COVER_OPTS="-coverprofile=be-unit.cov -coverpkg=github.com/grafana/grafana/..." GO_TEST_OUTPUT="/tmp/unit.log" make test-go-unit-cov
      - name: Process and upload coverage
        uses: ./.github/actions/test-coverage-processor
        with:
          test-type: 'be-unit'
          # Needs to be named 'unit.cov' based on the Makefile command `make test-go-unit`
          coverage-file: 'unit.cov'
          codecov-token: ${{ secrets.CODECOV_TOKEN }}
          codecov-flag: 'be-unit'
          codecov-name: 'be-unit'

      - name: Install Grafana Bench
        # We can't allow forks here, as we need secret access.
        if: ${{ github.event_name != 'pull_request' }}
        uses: ./.github/actions/setup-grafana-bench

      - name: Process output for Bench
        if: ${{ github.event_name != 'pull_request' }}
        run: |
          grafana-bench report \
            --trigger pr-backend-unit-tests-oss \
            --report-input go \
            --report-output log \
            --grafana-version "$(git rev-parse HEAD)" \
            --suite-name grafana-oss-unit-tests \
            /tmp/unit.log || true

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: false