ci.yaml

name: ci
on:
  pull_request:
  push:
    branches:
      - main

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: "-D warnings"
  CARGO_INCREMENTAL: 0
  CARGO_PROFILE_DEV_DEBUG: 0
  CARGO_PROFILE_TEST_DEBUG: 0

jobs:
  test:
    name: test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        toolchain: [stable]
        build: [linux-amd64, macos, windows]
        include:
          - build: linux-amd64
            os: ubuntu-latest
            target: x86_64-unknown-linux-gnu
          - build: macos
            os: macos-latest
            target: x86_64-apple-darwin
          - build: windows
            os: windows-latest
            target: x86_64-pc-windows-msvc
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          target: ${{ matrix.target }}
          override: true
          default: true
          profile: minimal

      - name: Handle Rust dependencies caching
        uses: Swatinem/rust-cache@v1
        with:
          key: v1-${{ matrix.target }}

      - name: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --workspace

  test-musl:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Link to predefined musl toolchain
        run: |
          ln -s /root/.cargo $HOME/.cargo
          ln -s /root/.rustup $HOME/.rustup

      - name: Handle Rust dependencies caching
        uses: Swatinem/rust-cache@v1
        with:
          key: v1-linux-musl

      - name: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --workspace

  test-wasm:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: wasm32-unknown-unknown
          profile: minimal
          override: true

      - uses: actions/setup-node@v2
        with:
          node-version: "16"

      - name: Install wasm-pack
        run: |
          curl -L --output wasm-pack-init https://rustwasm.github.io/wasm-pack/installer/init.sh \
          && chmod +x wasm-pack-init \
          && ./wasm-pack-init \
          && rm wasm-pack-init
      - name: Run wasm tests
        working-directory: ./compiler-wasm
        run: wasm-pack test --node

  rustfmt:
    name: rustfmt
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          default: true
          profile: minimal
          components: rustfmt

      - name: Check formatting
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  validate-deps:
    name: validate-deps
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          default: true
          profile: minimal

      - name: Install cargo-deny
        run: |
          set -e
          curl -L https://github.com/EmbarkStudios/cargo-deny/releases/download/0.8.5/cargo-deny-0.8.5-x86_64-unknown-linux-musl.tar.gz | tar xzf -
          mv cargo-deny-*-x86_64-unknown-linux-musl/cargo-deny cargo-deny
          echo `pwd` >> $GITHUB_PATH

      - name: Validate deps
        uses: actions-rs/cargo@v1
        with:
          command: deny
          args: check

  lint-build:
    name: lint-build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          default: true
          profile: minimal
          components: clippy

      - name: Handle Rust dependencies caching
        uses: Swatinem/rust-cache@v1
        with:
          key: v1-linux-gnu

      - name: Run linter
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: --workspace

      - name: Build binary
        uses: actions-rs/cargo@v1
        with:
          command: build

      - name: Upload artifact (Ubuntu)
        uses: actions/upload-artifact@v2
        with:
          name: gleam
          path: target/debug/gleam

  test-projects:
    name: test-projects
    needs: lint-build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2.0.0

      - name: Install Erlang
        uses: erlef/setup-beam@v1.9.0
        with:
          otp-version: 23.2

      - name: Download Gleam binary from previous job
        uses: actions/download-artifact@v2
        with:
          name: gleam
          path: ./test

      - name: Configure test projects to use Gleam binary
        run: |
          echo $PWD/ >> $GITHUB_PATH
          chmod +x ./gleam
          sed -i 's/cargo run --quiet --/gleam/' */rebar.config */Makefile
          sed -i 's/cargo run --/gleam/' */rebar.config */Makefile
        working-directory: ./test

      - name: test/project_erlang
        run: |
          gleam run
          gleam test
          gleam docs build
        working-directory: ./test/project_erlang

      # TODO: Add the stdlib to this project once it uses .mjs imports
      - name: test/project_javascript
        run: |
          gleam run
          gleam test
          gleam docs build
        working-directory: ./test/project_javascript

      - name: test/language Erlang
        run: make clean erlang
        working-directory: ./test/language

      - name: test/language JavaScript
        run: make clean javascript
        working-directory: ./test/language

      - name: test/rebar_project
        run: rebar3 eunit
        working-directory: ./test/rebar_project

      - name: test/compile_package0
        run: make
        working-directory: ./test/compile_package0

      - name: test/compile_package1
        run: make
        working-directory: ./test/compile_package1

      - name: Test JavaScript prelude
        run: make
        working-directory: ./test/javascript_prelude

      - name: Test lib template
        run: |
          gleam new lib_project --template=lib
          cd lib_project
          gleam run
          gleam test
          gleam docs build

          # Assert that module metadata has been written
          ls build/dev/erlang/lib_project/build/lib_project.gleam_module

          # Assert that HTML docs have been written
          ls build/dev/docs/lib_project/index.html
          ls build/dev/docs/lib_project/index.css
          ls build/dev/docs/lib_project/gleam.js
          ls build/dev/docs/lib_project/index.html
          ls build/dev/docs/lib_project/lib_project.html