ci.yml

name: CI

on:
  push:
    branches: [main, "claude/**"]
  pull_request:

# Cancel superseded runs on the same ref.
concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  lint:
    name: Lint & type-check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Set up uv
        uses: astral-sh/setup-uv@v5
        with:
          python-version: "3.12"
          enable-cache: true
      - run: uv sync --frozen
      - name: ruff (lint)
        run: uv run ruff check .
      - name: ruff (format)
        run: uv run ruff format --check .
      - name: mypy
        run: uv run mypy src/mcpg

  test:
    name: Tests (PG ${{ matrix.postgres }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        postgres: ["14", "15", "16", "17"]
    services:
      postgres:
        image: postgres:${{ matrix.postgres }}
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: mcpg_test
        ports:
          - 5432:5432
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 10
    steps:
      - uses: actions/checkout@v4
      - name: Set up uv
        uses: astral-sh/setup-uv@v5
        with:
          python-version: "3.12"
          enable-cache: true
      - run: uv sync --frozen
      # Runs unit, vendored-kernel, and integration suites with the coverage
      # gate (fail_under = 90, authored code only) against each PG version.
      - name: pytest
        env:
          MCPG_TEST_DATABASE_URL: postgresql://postgres:postgres@localhost:5432/mcpg_test
        run: uv run pytest -q --cov