# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
# Exceptions. See /LICENSE for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

name: test

on:
  push:
    branches: [trunk]
    paths:
      # Conservatively run the tests. However, skip them if the only paths in
      # the pull request match files that we know don't impact the build.
      - '**'
      - '!**/*.md'
      - '!LICENSE'
      - '!CODEOWNERS'
      - '!.git*'
  pull_request:
    paths:
      # Conservatively run the tests. However, skip them if the only paths in
      # the pull request match files that we know don't impact the build.
      - '**'
      - '!**/*.md'
      - '!LICENSE'
      - '!CODEOWNERS'
      - '!.git*'

jobs:
  test:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]
        build_mode: [fastbuild, opt]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      # Setup Python and related tools.
      - uses: actions/setup-python@v2
        with:
          # Match the min version listed in docs/project/contribution_tools.md
          python-version: '3.6'

      # On macOS we need Go and to use it to install Bazelisk.
      - uses: actions/setup-go@v2
        if: matrix.os == 'macos-latest'
      - name: Install bazelisk
        if: matrix.os == 'macos-latest'
        run: |
          go get github.com/bazelbuild/bazelisk
          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH

      # Print the various tool versions to help in debugging.
      - name: Print tool versions
        run: |
          bazelisk --version
          python --version

      # Build all targets first to isolate build failures.
      - name: Build (${{ matrix.build_mode }})
        run: |
          bazelisk build -c ${{ matrix.build_mode }} --verbose_failures \
            //...:all

      # Run all test targets.
      - name: Test (${{ matrix.build_mode }})
        run: |
          bazelisk test -c ${{ matrix.build_mode }} --test_output errors \
            --verbose_failures //...:all