build_and_test.yml

# Workflow for building and testing flags on macOS, Ubuntu and Windows.
name: Build and Run all tests

# We use action's triggers 'push' and 'pull_request'.
# The strategy is the following: this action will be
# triggered on any push to 'main' branch and any pull
# request to any branch. Thus we avoid duplicate work-
# flows.
on:
  push:
    branches:
      - "main"
  pull_request:
    branches:
      - "**"
  workflow_dispatch:
    inputs:
      # Live debug failures using tmate by toggling input parameter
      # 'debug_enabled':
      # https://github.com/mxschmitt/action-tmate#manually-triggered-debug
      # When manually running this workflow:
      # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
      debug_enabled:
        description: "Enable tmate debugging"
        type: boolean
        default: false

jobs:
  build-and-test:
    name: Build and Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        # 'windows-latest' (windows-2022) is broken due to a github runner update.
        # See https://github.com/actions/runner-images/issues/7662 for more details.
        os: ["macos-latest", "ubuntu-latest", "windows-2019"]
    defaults:
      run:
        shell: bash

    steps:
      # Checkout the repository under $GITHUB_WORKSPACE.
      - uses: actions/checkout@v2
        with:
          submodules: "recursive"

      - name: Build
        run: |
          bazel build \
            -c dbg \
            --strip="never" \
            ...

      - name: Test
        run: |
          bazel test \
            -c dbg \
            --strip="never" \
            --test_output=errors \
            tests/... \
            --test_arg=--gtest_shuffle \
            --test_arg=--gtest_repeat=100

      - name: Debug using tmate (if failure)
        uses: mxschmitt/action-tmate@v3
        # Optionally enable tmate debugging if the workflow was manually-triggered
        # with `debug_enabled` set to `true`.
        # https://github.com/mxschmitt/action-tmate#manually-triggered-debug
        if: ${{ failure() && github.event_name == 'workflow_dispatch' && github.event.inputs.debug_enabled }}