canvas-native/test/lib/types/horizontal-rule-test.js

Utilities for working with the native Canvas format

import HorizontalRule from '../../../lib/types/horizontal-rule';
import { expect }     from 'chai';

describe('HorizontalRule', () => {
  ['matchNative', 'matchMarkdown'].forEach(matchType => {
    describe(`.${matchType}`, () => {
      it('matches a horizontal rule', () => {
        expect(HorizontalRule[matchType]('---'))
          .to.be.an.instanceof(HorizontalRule);
        expect(HorizontalRule[matchType]('- - -'))
          .to.be.an.instanceof(HorizontalRule);
      });
    });
  });

  describe('#toJSON', () => {
    it('serializes to JSON', () => {
      const line = HorizontalRule.match('- - -');
      expect(line.toJSON()).to.eql({
        type   : 'horizontal-rule',
        content: '',
      });
    });
  });

  describe('#toMarkdown', () => {
    let line;

    beforeEach(() => {
      line = HorizontalRule.match('- - -');
    });

    it('appends a new line mid-document', () => {
      expect(line.toMarkdown(line, line)).to.eql('- - -\n');
    });

    it('does not append a new line at end of document', () => {
      expect(line.toMarkdown(line, null)).to.eql('- - -');
    });
  });
});