rust-ci.yml

name: Rust CI

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

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: -D warnings
  RUST_BACKTRACE: 1
  # Default placeholder values for Ditto environment variables
  # These will be overridden by repository secrets in the build-and-test job

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Set up Rust
      uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: 1.86
        components: rustfmt, clippy
        override: true

    - name: Check formatting
      working-directory: ./rust
      run: cargo fmt --all -- --check

    - name: Lint
      working-directory: ./rust
      run: cargo clippy --profile ci --all-targets --all-features -- -D warnings


  build-and-test:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Rust
      uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: 1.86
        components: rustfmt, clippy
        override: true
    
    - name: Cache cargo registry and target directory
      uses: actions/cache@v3
      with:
        path: |
          ~/.cargo/registry
          ~/.cargo/git
          rust/target
        key: ${{ runner.os }}-cargo-${{ hashFiles('rust/Cargo.lock') }}
        restore-keys: |
          ${{ runner.os }}-cargo-
    
    - name: Install cargo-nextest
      uses: taiki-e/install-action@nextest
    
    - name: Build and Test
      working-directory: ./rust
      env:
        # Ditto environment variables from secrets
        DITTO_APP_ID: ${{ secrets.DITTO_APP_ID }}
        DITTO_PLAYGROUND_TOKEN: ${{ secrets.DITTO_PLAYGROUND_TOKEN }}
        # Build profile settings
        CARGO_PROFILE_CI_LTO: "thin"
        CARGO_PROFILE_CI_CODEGEN_UNITS: "1"
        CARGO_PROFILE_CI_DEBUG: "false"
        CARGO_PROFILE_CI_OPT_LEVEL: "3"
        CARGO_PROFILE_CI_OVERFLOW_CHECKS: "true"
      run: |
        # Verify environment variables are set
        echo "DITTO_APP_ID: $DITTO_APP_ID"
        echo "DITTO_PLAYGROUND_TOKEN: ${DITTO_PLAYGROUND_TOKEN:0:4}..."
        
        # Build with the CI profile
        cargo build --profile ci
        
        # Run tests with nextest
        cargo nextest run --workspace --all-features --test-threads=1
        
      
      
    - name: Run Benchmarks
      working-directory: ./rust
      run: cargo bench --profile ci || true