static-cms/cypress/integration/markdown_widget_code_block_spec.js

import { oneLineTrim, stripIndent } from 'common-tags';
import '../utils/dismiss-local-backup';

describe('Markdown widget', () => {
  before(() => {
    Cypress.config('defaultCommandTimeout', 4000);
    cy.task('setupBackend', { backend: 'test' });
    cy.loginAndNewPost();
  });

  beforeEach(() => {
    cy.clearMarkdownEditorContent();
  });

  after(() => {
    cy.task('teardownBackend', { backend: 'test' });
  });
  describe('code block', () => {
    it('outputs code', () => {
      cy.insertCodeBlock()
        .type('foo')
        .enter()
        .type('bar')
        .confirmMarkdownEditorContent(`
          ${codeBlock(`
            foo
            bar
          `)}
        `)
        .clickModeToggle()
        .confirmMarkdownEditorContent(`
          ${codeBlockRaw(`
            foo
            bar
          `)}
        `)
    })
  })
})

function codeBlockRaw(content) {
  return ['```', ...stripIndent(content).split('\n'), '```'].map(line => oneLineTrim`
    <div>
      <span>
        <span>
          <span>${line}</span>
        </span>
      </span>
    </div>
  `).join('');
}

function codeBlock(content) {
  const lines = stripIndent(content).split('\n').map((line, idx) => `
    <div>
      <div>
        <div>${idx + 1}</div>
      </div>
      <pre><span>${line}</span></pre>
    </div>
  `).join('');

  return oneLineTrim`
    <div>
      <div><span><span><span><span></span><span></span></span></span></span></div>
      <div>
        <div>
          <div></div>
          <div>
            <div><label>Code Block</label>
              <div><button><span><svg>
                      <path></path>
                    </svg></span></button>
                <div>
                  <div>
                    <div><textarea></textarea></div>
                    <div>
                      <div></div>
                    </div>
                    <div>
                      <div></div>
                    </div>
                    <div></div>
                    <div></div>
                    <div>
                      <div>
                        <div>
                          <div>
                            <div>
                              <div>
                                <pre><span>xxxxxxxxxx</span></pre>
                              </div>
                              <div></div>
                              <div></div>
                              <div>
                                <div> </div>
                              </div>
                              <div>
                                ${lines}
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                      <div></div>
                      <div>
                        <div></div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <div></div>
        </div>
      </div>
    </div>
  `;
}