name: "Swift: Check code generation"

on:
  pull_request:
    paths:
      - "swift/**"
      - .github/workflows/swift-codegen.yml
    branches:
      - main

jobs:
  codegen:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v3
        with:
          python-version: '~3.7'
          cache: 'pip'
      - uses: ./.github/actions/fetch-codeql
      - uses: bazelbuild/setup-bazelisk@v2
      - name: Install dependencies
        run: |
          pip install -r swift/codegen/requirements.txt
      - name: Run unit tests
        run: |
          bazel test //swift/codegen:tests --test_output=errors
      - name: Check that code was generated
        run: |
          bazel run //swift/codegen
          git add swift
          git diff --exit-code --stat HEAD