ci.yml

name: CI

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

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  # Format check - fastest, runs first
  fmt:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt

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

  # Clippy linting
  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy

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

      - name: Run Clippy
        run: cargo clippy --all-targets --all-features -- -D warnings

  # Unit tests - no external dependencies
  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable

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

      - name: Run unit tests
        run: cargo test --workspace --exclude codegraph-integration-tests

      - name: Run integration tests (no external deps)
        run: cargo test -p codegraph-integration-tests

  # Build check
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable

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

      - name: Build release
        run: cargo build --release

  # Integration tests with Docker services
  integration:
    name: Integration Tests
    runs-on: ubuntu-latest
    needs: [test] # Run after unit tests pass
    services:
      neo4j:
        image: neo4j:5.15-community
        ports:
          - 7687:7687
          - 7474:7474
        env:
          NEO4J_AUTH: neo4j/codegraph123
          NEO4J_PLUGINS: '["apoc"]'
        options: >-
          --health-cmd "cypher-shell -u neo4j -p codegraph123 'RETURN 1'"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 10

      qdrant:
        image: qdrant/qdrant:v1.7.4
        ports:
          - 6333:6333
          - 6334:6334
        options: >-
          --health-cmd "curl -f http://localhost:6333/health || exit 1"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable

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

      - name: Wait for services
        run: |
          echo "Waiting for Neo4j..."
          timeout 60 bash -c 'until nc -z localhost 7687; do sleep 1; done'
          echo "Waiting for Qdrant..."
          timeout 60 bash -c 'until nc -z localhost 6334; do sleep 1; done'
          echo "Services ready!"

      - name: Run integration tests with databases
        env:
          NEO4J_URI: bolt://localhost:7687
          NEO4J_USER: neo4j
          NEO4J_PASSWORD: codegraph123
          QDRANT_URL: http://localhost:6334
        run: cargo test -p codegraph-integration-tests -- --ignored --test-threads=1

  # Code coverage with tarpaulin
  coverage:
    name: Coverage
    runs-on: ubuntu-latest
    needs: [test]
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable

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

      - name: Install cargo-tarpaulin
        run: cargo install cargo-tarpaulin

      - name: Run coverage on critical crates
        run: |
          cargo tarpaulin \
            --packages codegraph-extraction codegraph-retrieval codegraph-generation codegraph-graph codegraph-feedback \
            --out xml --out html \
            --output-dir coverage \
            --ignore-tests \
            --timeout 300

      - name: Check coverage threshold (60%)
        run: |
          COVERAGE=$(cargo tarpaulin \
            --packages codegraph-extraction codegraph-retrieval codegraph-generation codegraph-graph codegraph-feedback \
            --ignore-tests \
            --timeout 300 2>&1 | grep -oP '\d+\.\d+(?=% coverage)' | tail -1)
          echo "Coverage: ${COVERAGE}%"
          if (( $(echo "$COVERAGE < 60" | bc -l) )); then
            echo "Coverage ${COVERAGE}% is below 60% threshold"
            exit 1
          fi
          echo "Coverage ${COVERAGE}% meets 60% threshold"

      - name: Upload coverage report
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report
          path: coverage/

      - name: Upload to Codecov
        uses: codecov/codecov-action@v4
        with:
          files: coverage/cobertura.xml
          fail_ci_if_error: false
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

  # Documentation build
  docs:
    name: Documentation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable

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

      - name: Build documentation
        run: cargo doc --workspace --no-deps
        env:
          RUSTDOCFLAGS: -D warnings