rust.yml

name: Rust

on:
  push:
    branches: [ master, dev ]
  pull_request:
    branches: [ master, dev ]

jobs:
  ubuntu:
    runs-on: ubuntu-latest
    name: ubuntu
    timeout-minutes: 30

    steps:
    - uses: actions/checkout@v2
    - name: Cache Cargo Dependencies
      uses: Swatinem/rust-cache@v1.3.0
    - name: Build
      run: cargo build --verbose
    - name: Run tests
      run: cargo test --verbose


  macos:
    runs-on: macos-latest
    name: mac os
    timeout-minutes: 30

    steps:
      - uses: actions/checkout@v2
      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v1.3.0
      - name: Build
        run: cargo build --verbose
      - name: Run tests
        run: cargo test --verbose

  verify-msrv:
    runs-on: ubuntu-latest
    name: verify minimum supported rust version (ubuntu)
    timeout-minutes: 30

    # we are using the `cargo-msrv` app
    # https://github.com/foresterre/cargo-msrv

    steps:
      - uses: actions/checkout@v2

      - name: Install foresterre/cargo-msrv without cache (takes longer, but caching produces unexpected behaviour)
        run: cargo install cargo-msrv

      - name: Verify the Rustc version declared in `cargo.toml` without cache (takes longer, but caching produces unexpected behaviour)
        run: |
          rm -f Cargo.lock
          cargo update
          cargo-msrv verify

  # github actions does not support big endian systems directly, but it does support QEMU.
  # so we install qemu, cross-compile to sparc64, and then run the tests in an emulated sparc64.
  # see https://github.com/wasm3/wasm3/blob/main/.github/workflows/tests.yml#L318
  mips:
    runs-on: ubuntu-20.04
    name: emulated big endian mips system
    timeout-minutes: 90 # todo just make tests faster wtf

    # we are using the cross project for cross compilation to mips:
    # https://github.com/cross-rs/cross

    steps:
      - uses: actions/checkout@v2

      - name: Install or use cached cross-rs/cross
        uses: baptiste0928/cargo-install@v1
        with:
          crate: cross

      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v1.3.0

      - name: Start Docker
        run: sudo systemctl start docker

      - name: Cross-Compile project to mips-unknown-linux-gnu
        run: cross build --target=mips-unknown-linux-gnu --verbose

      # https://github.com/cross-rs/cross#supported-targets
      - name: Cross-Run Tests in mips-unknown-linux-gnu using Qemu
        run: cross test --target mips-unknown-linux-gnu --verbose

  wasm32:
    runs-on: ubuntu-latest
    name: wasm32
    timeout-minutes: 60

    steps:
    - uses: actions/checkout@v2
    
    - name: Cache Cargo Dependencies
      uses: Swatinem/rust-cache@v1.3.0
      
    - name: Add wasm32 Target
      run: rustup target add wasm32-unknown-unknown
      
    - name: Build without default features
      run: cargo build --verbose --no-default-features --target wasm32-unknown-unknown
      
    - name: Run tests without default features
      run: cargo test --verbose --no-default-features