ci.yml

name: CI

on:
  push:
  pull_request:
  workflow_dispatch:

permissions:
  contents: read

# A newer push to the same branch makes an in-flight run redundant.
concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test:
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v7
      - uses: actions/setup-python@v7
        with:
          python-version: '3.11'
      # The key varies with platformio.ini, so a platform change is cached
      # instead of being downloaded again on every run.
      - uses: actions/cache@v6
        with:
          path: |
            ~/.cache/pip
            ~/.platformio/.cache
            ~/.platformio/packages
            ~/.platformio/platforms
          key: ${{ runner.os }}-pio-${{ hashFiles('platformio.ini') }}
          restore-keys: |
            ${{ runner.os }}-pio-
      - name: Install PlatformIO Core
        run: pip install --upgrade platformio
      - name: Run unit tests
        run: pio test -e native
      - name: Run static analysis
        run: pio check -e nodemcuv2 --fail-on-defect=high
      # Builds the example the way a user would get it: the library on its own,
      # with none of this repo's dev files.
      - name: Build the Basic example
        run: pio ci --lib=. --board=nodemcuv2 examples/Basic/Basic.ino