rust.yml

name: Rust

# Contains checks:
# - That the code compiles
# - That the code complies with formatting
# - Lints (using clippy) to find errors
# - That crates that are published are publish-able
# - Testing 
#   - Standard Rust integration and unit tests
#   - Fuzz tests
#   - WASM edition works tests

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  CARGO_TERM_COLOR: always
  CACHE_PATHS: |
    ~/.cargo/bin/
    ~/.cargo/registry/index/
    ~/.cargo/registry/cache/
    ~/.cargo/git/db/
    target/

jobs:
  validity:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable

      - uses: actions/cache@v3
        with:
          path: ${{ env.CACHE_PATHS }}
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - uses: dorny/paths-filter@v2
        id: changes
        with:
          filters: |
            parser:
              - 'parser/**'
            checker:
              - 'checker/**'
            src:
              - 'src/**'

      - name: Check source is valid
        run: cargo check --workspace

      - name: Check binary
        run: cargo check --bin ezno

      - uses: brndnmtthws/rust-action-cargo-binstall@v1
        if: steps.changes.outputs.src == 'true'
        with:
          packages: wasm-bindgen-cli@0.2.87
      - name: Check WASM
        if: steps.changes.outputs.src == 'true'
        run: |
          rustup target add wasm32-unknown-unknown
          # Need to build to check that the JS builds
          npm ci
          npm run build
        working-directory: src/js-cli-and-library

      - name: Check parser without extras
        if: steps.changes.outputs.parser == 'true'
        run: 
          cargo check -p ezno-parser --no-default-features

      - name: Check checker without default features
        if: steps.changes.outputs.checker == 'true'
        run: 
          cargo check -p ezno-checker --no-default-features

  formating:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable

      - name: Check Rust formatting with rustfmt
        run: cargo fmt --all --check

      - uses: brndnmtthws/rust-action-cargo-binstall@v1
        with:
          packages: taplo-cli

      - name: Check TOML formatting with taplo
        run: |
          taplo fmt --check **/*/Cargo.toml

  tests:
    needs: validity
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
      - uses: actions/cache@v3
        with:
          path: ${{ env.CACHE_PATHS }}
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - uses: dorny/paths-filter@v2
        id: changes
        with:
          filters: |
            parser:
              - 'parser/**'
            checker:
              - 'checker/**'

      - name: Run parser tests
        if: steps.changes.outputs.parser == 'true'
        run: |
          cargo test
          
          # TODO test other big libraries
          curl https://esm.sh/v128/react-dom@18.2.0/es2022/react-dom.mjs > react.js
          cargo run -p ezno-parser --example parse react.js > /dev/null

          cargo test -p ezno-ast-generator
        working-directory: parser

      - name: Run checker specification
        if: steps.changes.outputs.checker == 'true'
        run: cargo test
        working-directory: checker/specification

      - name: Run checker tests
        if: steps.changes.outputs.checker == 'true'
        run: cargo test -F ezno-parser
        working-directory: checker

      - name: Run base tests
        run: cargo test

      - uses: brndnmtthws/rust-action-cargo-binstall@v1
        with:
          packages: wasm-bindgen-cli@0.2.87
          
      - uses: denoland/setup-deno@v1
        with:
          deno-version: v1.x
      - uses: actions/setup-node@v3
        with:
          node-version: 18

      - name: Build and test WASM
        run: |
          rustup target add wasm32-unknown-unknown
          npm ci
          npm run test
          node ./dist/cli.cjs info
          deno run -A ./dist/cli.mjs info
        working-directory: src/js-cli-and-library
        shell: bash

  fuzzing:
    needs: validity
    runs-on: ubuntu-latest
    timeout-minutes: 30
    continue-on-error: true
    strategy:
      matrix:
        fuzz-target: [module_roundtrip_naive, module_roundtrip_structured]

    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
      - uses: actions/cache@v3
        with:
          path: ${{ env.CACHE_PATHS }}
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          
      - uses: dorny/paths-filter@v2
        id: changes
        with:
          filters: |
            parser:
              - 'parser/**'

      - name: Install latest nightly and set it as default
        if: steps.changes.outputs.parser == 'true'
        run: |
          rustup install nightly
          rustup default nightly

      - uses: brndnmtthws/rust-action-cargo-binstall@v1
        if: steps.changes.outputs.parser == 'true'
        with:
          packages: cargo-fuzz

      - name: Run fuzzing
        if: steps.changes.outputs.parser == 'true'
        run: |
          cargo fuzz run -s none ${{ matrix.fuzz-target }} -- -timeout=10 -max_total_time=120 -use_value_profile=1
        working-directory: parser/fuzz

  clippy:
    needs: validity
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
      - uses: actions/cache@v3
        with:
          path: ${{ env.CACHE_PATHS }}
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
      - name: Lint code with clippy
        run: cargo clippy

  publish-ability:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
      - name: Check that it will publish to crates
        run: |
          cargo metadata --offline --format-version 1 --no-deps | jq -r ".workspace_members[]" | while read -r _n _v pathInfo ; do
            cd ${pathInfo:13:-1}
            cargo publish --no-verify --dry-run
          done
        shell: bash