tests.yml

name: Tests

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  pre_job:
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        uses: fkirc/skip-duplicate-actions@master
        with:
          cancel_others: "true"
          concurrent_skipping: "same_content_newer"
          skip_after_successful_duplicate: "true"
          paths_ignore: '["**/README.md", "**/docs/**"]'
          do_not_skip: '["workflow_dispatch", "schedule", "push"]'

  tests-backend:
    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
    needs: pre_job
    env:
      MIX_ENV: test

    name: Mix Tests
    strategy:
      matrix:
        elixir: ["1.12", "1.13", "1.14"]
        otp: ["24"]
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Sets up an Erlang/OTP environment
        uses: erlef/setup-beam@v1
        with:
          elixir-version: ${{ matrix.elixir }}
          otp-version: ${{ matrix.otp }}

      - name: Retrieve cached dependencies
        uses: actions/cache@v2
        id: mix-cache
        with:
          path: |
            deps
            _build
            priv/plts
          key: ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('mix.lock') }}-v3
      - name: Install dependencies
        if: steps.mix-cache.outputs.cache-hit != 'true'
        run: |
          mkdir -p priv/plts
          mix local.rebar --force
          mix local.hex --force
          mix deps.get
          mix deps.compile
          mix dialyzer --plt
          mix compile

      - name: Tests
        run: mix espec