ci.yml

name: CI

on:
  pull_request:
  push:
    branches:
      - main

env:
  RUSTFLAGS: -D warnings
  RUST_BACKTRACE: 1

jobs:
  test:
    runs-on: ${{ matrix.os }}
    timeout-minutes: 15
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        rust: [nightly, beta, stable]
    steps:
      - uses: actions/checkout@v3
      - uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-test-${{ matrix.rust }}-${{ hashFiles('**/Cargo.toml') }}
      - name: Install Rust
        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
      - name: Run cargo check
        run: cargo check --all --all-features --all-targets
        if: startsWith(matrix.rust, 'nightly')
      - name: Run cargo check (without dev-dependencies to catch missing feature flags)
        if: startsWith(matrix.rust, 'nightly')
        run: cargo check -Z features=dev_dep
      - name: Full feature + v4.2 testing
        run: cargo test --all-features
      - name: v4 compatibility testing
        run: cargo test --no-default-features --features debug,rand_core,wyhash
  
  msrv:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - uses: actions/checkout@v3
      - uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-msrv-${{ hashFiles('**/Cargo.toml') }}
      - name: get MSRV
        run: |
          msrv=`cargo metadata --no-deps --format-version 1 | jq --raw-output '.packages[] | select(.name=="wyrand") | .rust_version'`
          echo "MSRV=$msrv" >> $GITHUB_ENV
      - name: Install Rust
        run: rustup update ${{ env.MSRV }} --no-self-update && rustup default ${{ env.MSRV }}
      - name: Run cargo check
        id: check
        run: cargo check --all-features