name: Conformance Tests

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

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  # Cancel only when the run is NOT on `main` branch
  cancel-in-progress: ${{ github.ref != 'refs/heads/main'  }}

jobs:
  run-conformance:
    runs-on: ${{ matrix.os }}
    name: Run Conformance Tests on ${{ matrix.os }}
    timeout-minutes: 20
    env:
      JAVA_OPTS: "-Xmx8g -Dfile.encoding=UTF-8 -Djava.awt.headless=true -Dkotlin.daemon.jvm.options=-Xmx6g"

    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            max-workers: 3
          - os: windows-latest
            max-workers: 3
          - os: macos-latest
            max-workers: 2

    steps:
      - uses: actions/checkout@v6

      - name: Set up JDK 21
        uses: actions/setup-java@v5
        with:
          java-version: '21'
          distribution: 'temurin'

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: '22' # increase only after https://github.com/nodejs/node/issues/56645 will be fixed

      - name: Setup Conformance Tests
        working-directory: conformance-test
        run: |-
          npm install -g @modelcontextprotocol/conformance@0.1.8

      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@v5
        with:
          add-job-summary: 'always'
          cache-read-only: ${{ github.ref != 'refs/heads/main' }}
          gradle-home-cache-includes: |
            caches
            notifications
            sdks
            ../.konan/**

      - name: Run Conformance Tests
        run: |-
          ./gradlew :conformance-test:test --no-daemon --max-workers ${{ matrix.max-workers }}

      - name: Upload Conformance Results
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: conformance-results-${{ matrix.os }}
          path: conformance-test/results/