name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

defaults:
  run:
    shell: bash

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.13

      # The test suite runs real encodes, so ffmpeg is a test dependency.
      - name: Install ffmpeg
        run: sudo apt-get update && sudo apt-get install --no-install-recommends -y ffmpeg

      - name: Install test dependencies
        run: python -m pip install --upgrade pip && pip install pytest

      - name: Run unit tests
        run: python -m pytest

      - name: Build the container image
        run: docker build -t music-mirror:ci .