ci.yml

name: CI
on: [pull_request]

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust: [ 1.76.0 ]

    steps:
      - uses: actions/checkout@v4

      - name: Cache Cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ matrix.build }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ matrix.build }}-cargo-

      - name: Install Rust
        run: |
          rustup update ${{ matrix.rust }} --no-self-update
          rustup default ${{ matrix.rust }}
          rustup component add rustfmt
          rustup component add clippy
          rustup toolchain install nightly

      - name: Check Format
        run: cargo fmt --all -- --check

      - name: Clippy
        run: cargo clippy --tests --benches -- -D clippy::all

      - name: Test
        run: cargo test
        env:
          RUST_BACKTRACE: 1
      
      - name: Build Fuzzers
        run: |
          cargo install cargo-fuzz
          cargo +nightly fuzz build

  examples:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-1

      - name: Install Rust
        run: |
          rustup update ${{ matrix.rust }} --no-self-update
          rustup default ${{ matrix.rust }}
          rustup target add wasm32-unknown-unknown

      - name: Install DFX
        run: |
          wget --output-document install-dfx.sh "https://internetcomputer.org/install.sh"
          DFX_VERSION=${DFX_VERSION:=0.14.3} DFXVM_INIT_YES=true bash install-dfx.sh < <(yes Y)
          echo "$HOME/.local/share/dfx/bin" >> $GITHUB_PATH
          source "$HOME/.local/share/dfx/env"
          rm install-dfx.sh
          dfx cache install
          echo "$HOME/bin" >> $GITHUB_PATH
        
      - name: Run test
        run: |
          bash examples/test.sh

  benchmark:
    runs-on: ubuntu-latest
    needs: build
    env:
      PROJECT_DIR: .
    steps:
      - name: Checkout current PR
        uses: actions/checkout@v4

      - name: Checkout main branch
        uses: actions/checkout@v4
        with:
          ref: main
          path: _canbench_main_branch

      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-1

      - name: Install Rust
        run: |
          rustup update ${{ matrix.rust }} --no-self-update
          rustup default ${{ matrix.rust }}
          rustup target add wasm32-unknown-unknown

      - name: Benchmark
        run: |
          bash ./scripts/ci_run_benchmark.sh $PROJECT_DIR ${{ github.job }}

      - uses: actions/upload-artifact@v4
        with:
          name: canbench_result_${{github.job}}
          path: /tmp/canbench_result_${{ github.job }}

      - name: Save PR number
        run: |
          echo ${{ github.event.number }} > /tmp/pr_number

      - uses: actions/upload-artifact@v4
        with:
          name: pr_number
          path: /tmp/pr_number

      - name: Pass or fail
        run: |
          bash ./scripts/ci_post_run_benchmark.sh

  checks-pass:
    # Always run this job!
    if: always()
    needs: [build, examples, benchmark]
    runs-on: ubuntu-latest
    steps:
      - name: check build result
        if: ${{ needs.build.result != 'success' }}
        run: exit 1
      - name: check examples result
        if: ${{ needs.examples.result != 'success' }}
        run: exit 1
      - name: check benchmark result
        if: ${{ needs.benchmark.result != 'success' }}
        run: exit 1