ci.yml

name: CI

on:
  push:
    branches: [master]
    tags: ['v*']
  pull_request:
    branches: [master]
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    name: Build & verify
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Set up Java
        uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: '11'
          # No `cache: maven` here: this is a deps.edn project with no pom.xml,
          # so the Maven cache lookup fails the job. Deps are cached by the
          # actions/cache step below instead.

      - name: Install Clojure CLI
        # Install the official Clojure CLI directly via download.clojure.org
        # (DeLaGuardo/setup-clojure intermittently 403s on GitHub asset
        # downloads, issue #42). The linux-install script is the canonical
        # install method for deps.edn projects. Pin to 1.11.1.1403 (the last
        # 1.11.x CLI) because the code targets Clojure 1.11 and the 1.12 CLI
        # bundles a stricter compiler that rejects the inner-class type hints.
        run: |
          curl -fsSL https://github.com/clojure/brew-install/releases/download/1.11.1.1403/linux-install.sh -o /tmp/linux-install.sh
          chmod +x /tmp/linux-install.sh
          /tmp/linux-install.sh --prefix "$HOME/.local" --version 1.11.1.1403
          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
        shell: bash

      - name: Cache Clojure deps
        uses: actions/cache@v6
        with:
          path: |
            ~/.m2
            ~/.gitlibs
            ~/.clojure
            .cpcache
          key: clj-deps-${{ runner.os }}-${{ hashFiles('deps.edn') }}
          restore-keys: |
            clj-deps-${{ runner.os }}-

      - name: Print versions
        run: |
          clojure --version
          java -version

      - name: Compile Java exception classes
        # Compile the five tiny Java exception classes AOT so the Clojure code
        # can catch them by type. Output goes to target/classes (on the path).
        run: |
          mkdir -p target/classes
          javac -d target/classes $(find java-src -name '*.java')

      - name: Offline tests (no daemon)
        # Run the test suite without a daemon; the live tests self-skip and the
        # offline in-process tests run normally.
        run: clojure -M:test -m visorcraft.mongreldb.live-test --offline

  live:
    # Boots a real mongreldb-server and runs the live round-trip suite.
    name: Live integration (against mongreldb-server)
    runs-on: ubuntu-latest
    env:
      SERVER_VERSION: '0.63.1'
      MONGRELDB_URL: http://127.0.0.1:8453
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Set up Java
        uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: '11'
          # No `cache: maven` here: this is a deps.edn project with no pom.xml,
          # so the Maven cache lookup fails the job. Deps are cached by the
          # actions/cache step below instead.

      - name: Install Clojure CLI
        run: |
          curl -fsSL https://github.com/clojure/brew-install/releases/download/1.11.1.1403/linux-install.sh -o /tmp/linux-install.sh
          chmod +x /tmp/linux-install.sh
          /tmp/linux-install.sh --prefix "$HOME/.local" --version 1.11.1.1403
          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
        shell: bash

      - name: Cache Clojure deps
        uses: actions/cache@v6
        with:
          path: |
            ~/.m2
            ~/.gitlibs
            ~/.clojure
            .cpcache
          key: clj-deps-${{ runner.os }}-${{ hashFiles('deps.edn') }}
          restore-keys: |
            clj-deps-${{ runner.os }}-

      - name: Print versions
        run: |
          clojure --version
          java -version

      - name: Compile Java exception classes
        run: |
          mkdir -p target/classes
          javac -d target/classes $(find java-src -name '*.java')

      - name: Cache mongreldb-server binary
        id: server-cache
        uses: actions/cache@v6
        with:
          path: bin/mongreldb-server
          key: mongreldb-server-linux-x64-${{ env.SERVER_VERSION }}

      - name: Download mongreldb-server
        if: steps.server-cache.outputs.cache-hit != 'true'
        run: |
          mkdir -p bin
          curl -fsSL -o bin/mongreldb-server \
            "https://github.com/visorcraft/MongrelDB/releases/download/v${SERVER_VERSION}/mongreldb-server-linux-x64"
          chmod +x bin/mongreldb-server
          ./bin/mongreldb-server --help | head -n 1

      - name: Start mongreldb-server
        run: |
          rm -rf /tmp/mongreldb-data
          ./bin/mongreldb-server /tmp/mongreldb-data --port 8453 > /tmp/mongreldb-server.log 2>&1 &
          echo $! > /tmp/mongreldb-server.pid
          # Wait for the daemon to become healthy (max ~30s).
          for i in $(seq 1 30); do
            if curl -sf http://127.0.0.1:8453/health >/dev/null 2>&1; then
              echo "mongreldb-server is healthy"
              break
            fi
            sleep 1
          done
          curl -sf http://127.0.0.1:8453/health >/dev/null || (cat /tmp/mongreldb-server.log && exit 1)

      - name: Run live tests
        run: clojure -M:test -m visorcraft.mongreldb.live-test

      - name: Run examples
        run: |
          for ex in basic-crud query-builder-example transactions-example; do
            echo "=== Running $ex ==="
            clojure -M:examples -m "$ex" || { echo "FAILED: $ex"; exit 1; }
          done

      - name: Dump server log on failure
        if: failure()
        run: cat /tmp/mongreldb-server.log

      - name: Stop mongreldb-server
        if: always()
        run: |
          if [ -f /tmp/mongreldb-server.pid ]; then
            kill "$(cat /tmp/mongreldb-server.pid)" 2>/dev/null || true
          fi