name: Rust Library Tests

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  test:
    runs-on: docker

    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Set up Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true

      - name: Cache cargo registry
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-registry-

      - name: Cache cargo build
        uses: actions/cache@v2
        with:
          path: target
          key: ${{ runner.os }}-cargo-build-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-build-

      - name: Build and test
        run: cargo test --lib