name: Test

on:
  push:
  pull_request:

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Install Nix packages
        uses: diamondburned/cache-install@main

      - name: Generate
        run: |
          go generate ./...

          if ! git diff --exit-code; then
            echo '::error::Repository differ after `go generate`.'
            exit 1
          fi

      - name: Build
        run: |
          go build ./...

      - name: Test
        run: |
          go test -coverprofile /tmp/coverage.out -race ./...
          go tool cover -func /tmp/coverage.out
        env:
          BOT_TOKEN: ${{ secrets.BOT_TOKEN }}

      - name: Upload coverage profile
        uses: actions/upload-artifact@v3
        with:
          name: coverage
          path: /tmp/coverage.out