name: Code coverage

on:
  push:
    branches: [main]
    paths-ignore:
      - '**.md'
      - 'demo/**'
      - 'docs/**'
      - 'homebrew-formula/**'
  pull_request:
    branches: [main]
    paths-ignore:
      - '**.md'
      - 'demo/**'
      - 'docs/**'
      - 'homebrew-formula/**'
  workflow_dispatch:

jobs:
  grcov:
    runs-on: ubuntu-latest
    env:
      # PG_* variables are used by psql
      PGDATABASE: test
      PGHOST: localhost
      PGUSER: postgres
    services:
      postgres:
        image: postgis/postgis:14-3.3-alpine
        env:
          # POSTGRES_* variables are used by the postgis/postgres image
          POSTGRES_DB: ${{ env.PGDATABASE }}
          POSTGRES_USER: ${{ env.PGUSER }}
          POSTGRES_HOST_AUTH_METHOD: trust
        ports:
          # will assign a random free host port
          - 5432/tcp
        # needed because the postgres container does not provide a healthcheck
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: Setup database
        run: |
          sudo apt-get install postgresql-client
          tests/fixtures/initdb.sh
        env:
          PGPORT: ${{ job.services.postgres.ports[5432] }}

      - name: Install nightly toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          override: true

      - name: Run tests
        run: cargo test
        env:
          CARGO_INCREMENTAL: '0'
          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
          RUSTDOCFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
          DATABASE_URL: postgres://${{ env.PGUSER }}@${{ env.PGHOST }}:${{ job.services.postgres.ports[5432] }}/${{ env.PGDATABASE }}

      - name: Gather coverage data
        id: coverage
        uses: actions-rs/grcov@v0.1

      - name: Codecov upload
        uses: codecov/codecov-action@v3
        with:
          file: ${{ steps.coverage.outputs.report }}

      - name: Check conditional cfg values
        run: |
          cargo +nightly check -Z unstable-options -Z check-cfg=features,names,values,output --workspace --all-features
        env:
          RUSTFLAGS: '-D warnings'