name: Rust

on:
  # NB: this differs from the book's project!
  # These settings allow us to run this specific CI pipeline for PRs against
  # this specific branch (a.k.a. book chapter).
  push:
    branches:
      - main
  pull_request:
    types: [ opened, synchronize, reopened ]
    branches:
      - main

env:
  CARGO_TERM_COLOR: always

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:12
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: password
          POSTGRES_DB: postgres
        ports:
          - 5432:5432
    steps:
      - uses: actions/checkout@v2
      - name: Cache dependencies
        id: cache-dependencies
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Migrate database
        run: |
          sudo apt-get install libpq-dev -y
          cargo install --version=0.5.5 --locked sqlx-cli --no-default-features --features postgres
          SKIP_DOCKER=true ./scripts/init_db.sh
      - uses: actions-rs/cargo@v1
        with:
          command: test

  fmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          components: rustfmt
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:12
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: password
          POSTGRES_DB: postgres
        ports:
          - 5432:5432
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          components: clippy
          override: true
      - name: Migrate database
        run: |
          sudo apt-get install libpq-dev -y
          cargo install --version=0.5.5 --locked sqlx-cli --no-default-features --features postgres
          SKIP_DOCKER=true ./scripts/init_db.sh
      - uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: -- -D warnings

  coverage:
    name: Code coverage
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:12
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: password
          POSTGRES_DB: postgres
        ports:
          - 5432:5432
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Install stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true

      - name: Migrate database
        run: |
          sudo apt-get install libpq-dev -y
          cargo install --version=0.5.5 --locked sqlx-cli --no-default-features --features postgres
          SKIP_DOCKER=true ./scripts/init_db.sh
      - name: Run cargo-tarpaulin
        uses: actions-rs/tarpaulin@v0.1
        with:
          args: '--ignore-tests --avoid-cfg-tarpaulin'