elixir.yml

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

name: Build and test

on:
  push:
    branches:
      - master
  pull_request:
    types: [opened, synchronize, reopened]
  workflow_dispatch:

# Sets the ENV `MIX_ENV` to `test` for running tests
env:
  MIX_ENV: test
  ELIXIR_VER: '1.16.2'
  OTP_VER: '25.0.4'

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    name: Build and test

    # Set up a Postgres DB service. By default, Phoenix applications
    # use Postgres. This creates a database for running tests.
    # Additional services can be defined here if required.
    services:
      db:
        image: postgres:15
        ports: ['5432:5432']
        env:
          POSTGRES_DB: teiserver_test
          POSTGRES_USER: teiserver_test
          POSTGRES_PASSWORD: 123456789
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    steps:
    # Step: Setup Elixir + Erlang image as the base.
    - name: Set up Elixir
      uses: erlef/setup-beam@v1
      with:
        otp-version: ${{ env.OTP_VER }}
        elixir-version: ${{ env.ELIXIR_VER }}

    # Step: Check out the code.
    - name: Checkout code
      uses: actions/checkout@v4

    # Step: Define how to cache deps. Restores existing cache if present.
    - name: Cache deps
      id: cache-deps
      uses: actions/cache@v4
      env:
        cache-name: cache-elixir-deps
      with:
        path: deps
        key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }}
        restore-keys: |
          ${{ runner.os }}-mix-${{ env.cache-name }}-

    # Step: Define how to cache the `_build` directory. After the first run,
    # this speeds up tests runs a lot. This includes not re-compiling our
    # project's downloaded deps every run.
    - name: Cache compiled build
      id: cache-build
      uses: actions/cache@v4
      env:
        cache-name: cache-compiled-build
      with:
        path: _build
        key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }}
        restore-keys: |
          ${{ runner.os }}-mix-${{ env.cache-name }}-

    # Step: Download project dependencies. If unchanged, uses
    # the cached version.
    - name: Install dependencies
      run: mix deps.get

    # Step: Execute the tests.
    - name: Run tests
      run: mix test