name: Check emqx app standalone

## apps/emqx can be used as a rebar/mix dependency
## in other project, so we need to make sure apps/emqx
## as an Erlang/Elixir app works standalone

on:
  pull_request:

jobs:
  run_emqx_app_tests:
    strategy:
      matrix:
        otp:
          - 24.3.4.2-1
        # no need to use more than 1 version of Elixir, since tests
        # run using only Erlang code.  This is needed just to specify
        # the base image.
        elixir:
          - 1.13.4
        os:
          - ubuntu20.04
        arch:
          - amd64

    runs-on: aws-amd64
    container: "ghcr.io/emqx/emqx-builder/5.0-18:${{ matrix.elixir}}-${{ matrix.otp }}-${{ matrix.os }}"

    defaults:
      run:
        shell: bash

    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0
    - name: run
      run: |
        git config --global --add safe.directory "$GITHUB_WORKSPACE"
        echo "git diff base: $GITHUB_BASE_REF"
        if [[ "$GITHUB_BASE_REF" =~ [0-9a-f]{8,40} ]]; then
          # base is a commit sha1
          compare_base="$GITHUB_BASE_REF"
        else
          repo="${GITHUB_REPOSITORY}"
          git remote -v
          remote="$(git remote -v | grep -E "github\.com(:|/)$repo((\.git)|(\s))" | grep fetch | awk '{print $1}')"
          git fetch "$remote" "$GITHUB_BASE_REF"
          compare_base="$remote/$GITHUB_BASE_REF"
        fi
        changed_files="$(git diff --name-only ${compare_base} HEAD apps/emqx)"
        if [ "$changed_files" = '' ]; then
          echo "nothing changed in apps/emqx, ignored."
          exit 0
        fi
        make ensure-rebar3
        cp rebar3 apps/emqx/
        cd apps/emqx
        ./rebar3 xref
        ./rebar3 dialyzer
        ./rebar3 eunit -v
        ./rebar3 ct -v
        ./rebar3 proper -d test/props
    - uses: actions/upload-artifact@v3
      if: failure()
      with:
        name: logs
        path: apps/emqx/_build/test/logs

  allgood_emqx_app_tests:
    runs-on: ubuntu-latest
    needs:
      - run_emqx_app_tests
    steps:
    - name: Check if all emqx app tests succeeded
      uses: re-actors/alls-green@release/v1
      with:
        #allowed-failures:
        #allowed-skips:
        jobs: ${{ toJSON(needs) }}