main.yml

name: Main workflow

# The event triggers are configured as following:
# - on branch master, trigger the workflow on every push
# - on any pull request, trigger the workflow
# This is to avoid running the workflow twice on pull requests.
on:
  push:
    branches:
      - master
  pull_request:

jobs:
  build_lint_and_test:
    runs-on: ubuntu-latest

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

      - name: Read .nvmrc
        run: echo ::set-output name=NVMRC::$(cat .nvmrc)
        id: nvm

      - name: Setup Node (uses version in .nvmrc)
        uses: actions/setup-node@v1
        with:
          node-version: "${{ steps.nvm.outputs.NVMRC }}"

      - name: Get yarn cache
        id: yarn-cache
        run: echo "::set-output name=dir::$(yarn cache dir)"

      - uses: actions/cache@v1
        with:
          path: ${{ steps.yarn-cache.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      - name: Building packages
        run: yarn build

      - name: Running linters and tests
        run: yarn run jest --projects jest.{eslint,stylelint,test,bundle}.config.js --reporters jest-silent-reporter
        env:
          CI: true

      - name: Building Visual Regression Tests application for UI components
        run: yarn visual-testing-app:build

      - name: Running Visual Regression Tests for UI components
        uses: ianwalter/puppeteer@3.0.0
        with:
          args: "yarn vrt:components"
        env:
          PERCY_TOKEN: ${{ secrets.PERCY_TOKEN }}

      - name: Checking bundle size of visual testing app
        run: yarn bundlesize
        # env:
        # NOTE: it seems that currently bundlesize server is having problems
        # resulting in status code 500. Because of that, the bundlesize script
        # is not able to handle the response, resulting in the exit code command
        # to be 0, which makes the test pass.
        # To keep the bundlesize check, we avoid passing the token to the command.
        # This results in the script to run and fail in case of error, but no status
        # code is reported to the github PR.
        #   BUNDLESIZE_GITHUB_TOKEN: ${{ secrets.BUNDLESIZE_GITHUB_TOKEN }}