---
name: test

on:
  push: {branches: main}
  pull_request: {branches: main}
  repository_dispatch:
  workflow_dispatch:

jobs:
  unit_test:
    name: Pre-release unit tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-node@v1
        with: {node-version: '12'}
      - run: npm ci
      - run: npm test

  integration_test:
    name: >
      Pre-release integration tests
      (Erlang/OTP ${{matrix.pair.otp-version}},
       Elixir ${{matrix.pair.elixir-version}},
       rebar3 ${{matrix.pair.rebar3-version}})
    runs-on: ubuntu-18.04
    strategy:
      fail-fast: false
      matrix:
        pair:
          # Full Versions
          - otp-version: '22.0'
            elixir-version: '1.9.1'
          - otp-version: '22.3.4'
            rebar3-version: '3.14.4'
          # Semver ranges
          - otp-version: '21.x'
            elixir-version: '<1.9.1'
          - otp-version: '21.x'
            rebar3-version: '3.14.4'
          # Branches
          - otp-version: '22.0'
            elixir-version: master
          - otp-version: 'master'
            elixir-version: '1.11.3'
          # Pre-releases
          - otp-version: '23.0'
            elixir-version: '1.11.0-rc.0'
          # Fallback to Elixir (with no OTP)
          - otp-version: '24.0-rc1'
            elixir-version: '1.9.3'
          # Miscellaneous combos
          - elixir-version: 'master'
            otp-version: '22.3'
          - elixir-version: 'master'
            otp-version: '22'
          - elixir-version: 'master'
            otp-version: '^22'
          - elixir-version: 'master'
            otp-version: '22'
          - elixir-version: '1.6.5'
            otp-version: 'maint-21'
          - elixir-version: 'v1.6.5'
            otp-version: 'maint-21'
          - elixir-version: 'v1.9.x'
            otp-version: '21.1'
          - elixir-version: '1.9.x'
            otp-version: '21'
          - elixir-version: 'v1.8.x'
            otp-version: '22'
          - elixir-version: 'v1.8.x'
            otp-version: '23.1'
          - elixir-version: 'v1.8'
            otp-version: '^22.3'
          - elixir-version: 'v1.10'
            otp-version: '21.x'
          - elixir-version: 'v1.x'
            otp-version: 'master'
          - elixir-version: 'v1.11.0-rc.0'
            otp-version: '23'
          - elixir-version: 'v1.11.0-rc.0'
            otp-version: '23.0'
          - elixir-version: 'v1.11.0-rc.0'
            otp-version: 'master'
    steps:
      - uses: actions/checkout@v2
      - name: Use erlef/setup-beam
        id: setup-beam
        uses: ./
        with:
          otp-version: ${{matrix.pair.otp-version}}
          elixir-version: ${{matrix.pair.elixir-version}}
          rebar3-version: ${{matrix.pair.rebar3-version}}
      - name: Erlang/OTP version (action)
        run: echo "Erlang/OTP ${{steps.setup-beam.outputs.otp-version}}"
      - name: Elixir version (action)
        run: echo "Elixir ${{steps.setup-beam.outputs.elixir-version}}"
        if: ${{matrix.pair.elixir-version}}
      - name: rebar3 version (action)
        run: echo "rebar3 ${{steps.setup-beam.outputs.rebar3-version}}"
        if: ${{matrix.pair.rebar3-version}}
      - name: mix version and help (CLI)
        run: |
          mix -v
          mix help local.rebar
          mix help local.hex
        if: ${{matrix.pair.elixir-version}}
      - name: Run Mix project tests
        run: |
          cd test-projects/mix
          mix deps.get
          mix test
        if: ${{matrix.pair.elixir-version}}
      - name: Run rebar3 project tests
        run: |
          cd test-projects/rebar3
          rebar3 as test do xref,dialyzer,ct,cover
        if: ${{matrix.pair.rebar3-version}}