tests.yml

name: CI
on:
  push:
    branches: [main]
  pull_request:

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

env:
  MIX_ENV: test
  MBTA_API_BASE_URL: ${{ secrets.MBTA_API_BASE_URL }}
  MBTA_API_KEY: ${{ secrets.MBTA_API_KEY }}

jobs:
  file_changes:
    runs-on: ubuntu-latest
    outputs:
      ts: ${{ steps.changes.outputs.ts == 'true' }}
      js: ${{ steps.changes.outputs.js == 'true' }}
      ex: ${{ steps.changes.outputs.ex == 'true' }}
      scss: ${{ steps.changes.outputs.scss == 'true' }}
    steps:
      - uses: actions/checkout@v4
      - uses: dorny/paths-filter@v3
        id: changes
        with:
          filters: |
            ts:
              - 'assets/ts/**'
            js:
              - 'assets/js/**'
            ex:
              - '**.ex'
              - '**.exs'
              - '**.eex'
              - '**.heex'
            scss:
              - 'assets/css/**.scss'

  build_image:
    name: Build Docker image
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: docker build .

  eslintts:
    name: Linting / TypeScript
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.ts }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: npm run ci:lint:ts

  jslint:
    name: Linting / JavaScript
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') ||needs.file_changes.outputs.js }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: npm run ci:lint:js

  stylelint:
    name: Linting / CSS
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.scss }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: npm run ci:lint:scss

  elixirlint:
    name: Linting / Elixir
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ (contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.ex) && github.event_name == 'pull_request' }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: git fetch origin main:main
      - run: npm run ci:lint:ex

  build_app:
    name: Build application and assets
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - name: Cache _build
        uses: actions/cache@v4
        with:
          path: |
            _build
            priv
            react_renderer/dist/app.js
          key: ci-application-cache-${{ github.sha }}
      - run: npm install --prefix assets -S -install-links deps/mbta_metro/priv/
      - run: npm --prefix assets run webpack:build
      - run: npm --prefix assets run webpack:build:react
      - run: mix compile --all-warnings

  elixir_unit:
    name: Unit tests / Elixir / mix coveralls.html
    runs-on: ubuntu-latest
    needs: [file_changes, build_app]
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.ex }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - uses: actions/cache/restore@v4
        with:
          path: |
            _build
            priv
            react_renderer/dist/app.js
          key: ci-application-cache-${{ github.sha }}
          restore-keys: |
            ci-application-cache-
      - run: npm run ci:unit:exunit
      - name: Upload coverage artifact
        if: ${{ always() }}
        uses: actions/upload-artifact@v4
        with:
          name: Elixir test coverage report
          path: cover/

  js_unit_1:
    name: Unit tests / JavaScript / Mocha
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.js }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: npm run ci:unit:mocha

  js_unit_2:
    name: Unit tests / JavaScript & TypeScript / Jest
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.ts || needs.file_changes.outputs.js }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: TZ="America/New_York" npm run ci:unit:jest

  type_dialyzer:
    name: Type checks / Elixir
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.ex }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - uses: mbta/actions/dialyzer@v2
        with:
          cmd-line: "--ignore-exit-status"

  type_typescript:
    name: Type checks / TypeScript
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.ts }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: npm run ci:types:ts

  elixir_format_check:
    name: Formatting / Elixir
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.ex }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: npm run ci:format:ex

  js_format_check:
    name: Formatting / JavaScript & TypeScript
    runs-on: ubuntu-latest
    needs: file_changes
    if: ${{ contains(github.head_ref, 'dependabot/') || needs.file_changes.outputs.js || needs.file_changes.outputs.ts }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-all
      - run: npm run ci:format:ts