ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: astral-sh/setup-uv@v7
      - run: uv sync --locked
      - run: uv run ruff format --check src tests scripts examples
      - run: uv run ruff check src tests scripts examples
      - run: uv run mypy src

  test:
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:16-alpine
        env:
          POSTGRES_PASSWORD: graphlock
        ports: ["5432:5432"]
        options: >-
          --health-cmd pg_isready --health-interval 5s --health-timeout 5s --health-retries 10
    env:
      GRAPHLOCK_TEST_POSTGRES: postgresql://postgres:graphlock@localhost:5432/postgres
      HYPOTHESIS_PROFILE: ci
    strategy:
      fail-fast: false
      matrix:
        python: ["3.10", "3.12", "3.14"]
        langgraph: ["1.0.0", "latest"]
    steps:
      - uses: actions/checkout@v5
      - uses: astral-sh/setup-uv@v7
      - name: Test against LangGraph ${{ matrix.langgraph }}
        run: |
          if [ "${{ matrix.langgraph }}" = "latest" ]; then pin="langgraph"; aio="aiosqlite"; else pin="langgraph==${{ matrix.langgraph }}"; aio="aiosqlite<0.22"; fi
          uv run --isolated -p ${{ matrix.python }} --with "$pin" --with langgraph-checkpoint-sqlite --with langgraph-checkpoint-postgres --with "psycopg[binary]" --with "$aio" --with pytest --with hypothesis --with-editable . pytest -q
      - name: Evidence table (what LangGraph does today)
        if: matrix.langgraph == 'latest' && matrix.python == '3.12'
        run: uv run --isolated -p 3.12 --with langgraph --with langgraph-checkpoint-sqlite --with-editable . python scripts/evidence.py >> "$GITHUB_STEP_SUMMARY"

  action:
    # The Action on the refund example: lock the deployed graph, then check the pull request's.
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-python@v6
        with:
          python-version: "3.12"
      - uses: ./
        with:
          working-directory: examples/refunds
          install: pip install langgraph-checkpoint-sqlite
          args: lock --graph refunds=refunds_v1:graph
      - uses: ./
        with:
          working-directory: examples/refunds
          install: ""
          args: check --format github