name: Unit Tests

on:
  workflow_dispatch:

  push:
    branches: [develop]

  pull_request:

permissions: {}

jobs:
  tests:
    name: Tests
    runs-on: xcode-27
    timeout-minutes: 80

    concurrency:
      # Only allow a single run of this workflow on each branch, automatically cancelling older runs.
      group: ${{ format('unit-tests-{0}', github.ref) }}
      cancel-in-progress: true

    steps:
      - uses: nschloe/action-cached-lfs-checkout@385a8ecc719e50b8c71af6ab01a624b486b7c3bc # v1.2.5
        with:
          persist-credentials: false

      - name: Setup environment
        run: source ci_scripts/ci_common.sh && setup_github_actions_environment

      - name: Restore compilation cache
        uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ~/Library/Developer/Xcode/CompilationCache.noindex
          key: compilation-cache-unit-tests-${{ github.sha }}
          restore-keys: compilation-cache-unit-tests-

      - name: Run tests
        run: swift run -q tools ci unit-tests

      - name: Save compilation cache
        # Only develop populates the cache, all of the other runs simply read from it.
        if: ${{ !cancelled() && github.event_name == 'push' && github.ref == 'refs/heads/develop' }}
        uses: actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ~/Library/Developer/Xcode/CompilationCache.noindex
          key: compilation-cache-unit-tests-${{ github.sha }}

      - name: Archive artifacts
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        # We only care about artefacts if the tests fail
        if: failure()
        with:
          name: Results
          path: test_output/UnitTests.zip
          retention-days: 1
          if-no-files-found: ignore

      - name: Upload coverage to Codecov
        # Skip if not successful and in forks
        if: ${{ success() && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository) }}
        uses: codecov/codecov-action@303a32d7a59b442fa8d48b6a1cc6825c09c847a5 # v7.1.1
        with:
          report_type: coverage
          files: test_output/unit-cobertura.xml,test_output/preview-cobertura.xml
          disable_search: true
          fail_ci_if_error: true
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: unittests

      - name: Upload test results to Codecov
        # Skip if cancelled and in forks
        if: ${{ !cancelled() && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository) }}
        uses: codecov/codecov-action@303a32d7a59b442fa8d48b6a1cc6825c09c847a5 # v7.1.1
        continue-on-error: true
        with:
          report_type: test_results
          files: test_output/unit-junit.xml,test_output/preview-junit.xml
          disable_search: true
          fail_ci_if_error: false
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: unittests