functional_tests.yml

name: Functional Tests

on: 
  pull_request:
    branches: [main]
    paths:
      - 'scripts/**'
      - 'action.yml'
      - '.github/workflows/functional_tests.yml'
  workflow_dispatch:

jobs:
  no-lake-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # run with and without `lake test'
        lake-test: ["true", "false"]
        # run for standalone package and one which depends on mathlib
        lake-init-command: ["init standalone", "init mathdep math"]
    steps:
      # TODO: once `lean-action` supports just setup use it here
      - name: install elan
        run: |
          set -o pipefail
          curl -sSfL https://github.com/leanprover/elan/releases/download/v1.4.2/elan-x86_64-unknown-linux-gnu.tar.gz | tar xz
          ./elan-init -y --default-toolchain leanprover/lean4:v4.8.0-rc1
          echo "$HOME/.elan/bin" >> "$GITHUB_PATH"

      
      - uses: actions/checkout@v4

      - name: create standalone project
        run: |
          lake ${{ matrix.lake-init-command }}
          ls

      - name: create dummy test
        if: ${{ matrix.lake-test == 'true' }}
        run: |
          {
            echo "@[test_runner]"
            echo "script dummy_test do"
            echo "  println! \"Running fake tests...\""
            echo "  println! \"Fake tests passed!\""
            echo "  return 0" 
          } >> lakefile.lean

      - name: ls and pwd
        run: |
          ls
          pwd

      - name: "run `lean-action` with on `lake ${{matrix.lake-init-command}}` with test: ${{ matrix.lake-test }}"
        uses: ./
        with:
          test: ${{ matrix.lake-test }}