name: elisp_tests

on:
  schedule: 
  # Every 4 hours
  - cron: '0 */4 * * *'
  pull_request:
  push:
    branches:
      - master
      - develop

env:
  TEST_SCRIPT: ./.github/workflows/scripts/test
  MIRROR_SCRIPT: ./.github/workflows/scripts/create_mirror
  EM_SCRIPT_PATH: $HOME/elpa-mirror.el
  MIRROR_DIR: $HOME/elpa
  MIRROR_NAME: elpa-mirror
  EM_SCRIPT_URL: "https://raw.githubusercontent.com/\
  redguardtoo/\
  elpa-mirror/\
  master/\
  elpa-mirror.el"

defaults:
  run:
    shell: bash

jobs:
  test:
    if: ${{ github.event_name != 'schedule' }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        emacs_version: [25.3, 26.3, 27.1, snapshot]
        test_root:
          - core
          - layers/+distribution/spacemacs-base
          - layers/+distribution/spacemacs
    steps:
    - name: Install Emacs on UNIX
      uses: purcell/setup-emacs@master
      with:
        version: ${{ matrix.emacs_version }}
      if: ${{ matrix.os != 'windows-latest' }}

    - name: Install Emacs on Windows
      uses: jcs090218/setup-emacs-windows@master
      with:
        version: ${{ matrix.emacs_version }}
      if: ${{ matrix.os == 'windows-latest' }}

    - name: Download elpa mirror
      continue-on-error: true
      uses: actions/download-artifact@v2
      with:
        name: ${{ env.MIRROR_NAME }}
        path: ${{ env.MIRROR_DIR }}

    - name: List mirror content
      continue-on-error: true
      run: find ${{ env.MIRROR_DIR }}

    - uses: actions/checkout@v2

    - name: Dependencies installation
      run: ${{ env.TEST_SCRIPT }} ${{ matrix.test_root }} installation
    - name: Unit testing
      run: ${{ env.TEST_SCRIPT }} ${{ matrix.test_root }} unit_tests
    - name: Functional testing
      run: ${{ env.TEST_SCRIPT }} ${{ matrix.test_root }} func_tests

  update_elpa_mirror:
    if: ${{ github.event_name == 'schedule' }}
    runs-on: ubuntu-latest
    steps:
    - name: Install Emacs
      uses: purcell/setup-emacs@master
      with:
        version: 27.1

    - name: Download elpa-mirror.el
      run: curl -o ${{ env.EM_SCRIPT_PATH }} ${{ env.EM_SCRIPT_URL }}

    - uses: actions/checkout@v2

    - name: Create local mirror
      run: ${{ env.MIRROR_SCRIPT }}

    - name: Upload mirror artifact
      uses: actions/upload-artifact@v2
      with:
        name: ${{ env.MIRROR_NAME }}
        path: ${{ env.MIRROR_DIR }}