marked/test/unit/instance.test.js

import { marked, Marked, Renderer, Tokenizer, Hooks } from '../../lib/marked.esm.js';
import { describe, it, beforeEach } from 'node:test';
import assert from 'node:assert';

describe('Marked', () => {
  it('should allow multiple instances', () => {
    const marked1 = new Marked({
      silent: true,
      renderer: {
        heading() {
          return 'im marked1';
        },
      },
    });

    const marked2 = new Marked({
      silent: true,
      renderer: {
        heading() {
          return 'im marked2';
        },
      },
    });

    assert.strictEqual(marked1.parse('# header'), 'im marked1');
    assert.strictEqual(marked2.parse('# header'), 'im marked2');
    assert.strictEqual(marked.parse('# header'), '<h1>header</h1>\n');
  });

  it('should work with use', () => {
    const marked1 = new Marked();
    marked1.use({
      silent: true,
      renderer: {
        heading() {
          return 'im marked1';
        },
      },
    });

    const marked2 = new Marked();
    marked2.use({
      silent: true,
      renderer: {
        heading() {
          return 'im marked2';
        },
      },
    });

    assert.strictEqual(marked1.parse('# header'), 'im marked1');
    assert.strictEqual(marked2.parse('# header'), 'im marked2');
    assert.strictEqual(marked.parse('# header'), '<h1>header</h1>\n');
  });

  it('should work with setOptions', () => {
    const marked1 = new Marked();
    const marked1Renderer = new Renderer();
    marked1Renderer.heading = () => 'im marked1';
    marked1.setOptions({
      silent: true,
      renderer: marked1Renderer,
    });

    const marked2 = new Marked();
    const marked2Renderer = new Renderer();
    marked2Renderer.heading = () => 'im marked2';
    marked2.setOptions({
      silent: true,
      renderer: marked2Renderer,
    });

    assert.strictEqual(marked1.parse('# header'), 'im marked1');
    assert.strictEqual(marked2.parse('# header'), 'im marked2');
    assert.strictEqual(marked.parse('# header'), '<h1>header</h1>\n');
  });

  it('should pass defaults to lexer and parser', () => {
    const marked1 = new Marked();
    marked1.use({
      renderer: {
        heading() {
          return 'test';
        },
      },
    });
    const tokens = marked1.lexer('# hi');
    const html = marked1.parser(tokens);

    assert.strictEqual(html, 'test');
  });

  describe('use class objects', () => {
    beforeEach(() => {
      marked.setOptions(marked.getDefaults());
    });

    it('allow new Renderer()', () => {
      const marked1 = new Marked();
      const newRenderer = new Renderer();
      newRenderer.heading = () => 'im marked renderer';

      marked1.use({ renderer: newRenderer });
      marked.use({ renderer: newRenderer });

      assert.strictEqual(marked1.parse('# header'), 'im marked renderer');
      assert.strictEqual(marked.parse('# header'), 'im marked renderer');
    });

    it('allow new Tokenizer()', () => {
      const marked1 = new Marked();
      const newTokenizer = new Tokenizer();
      newTokenizer.heading = function(src) {
        return {
          type: 'heading',
          raw: src,
          depth: 1,
          text: 'im marked tokenizer',
          tokens: this.lexer.inlineTokens('im marked tokenizer'),
        };
      };

      marked1.use({ tokenizer: newTokenizer });
      marked.use({ tokenizer: newTokenizer });

      assert.strictEqual(marked1.parse('# header'), '<h1>im marked tokenizer</h1>\n');
      assert.strictEqual(marked.parse('# header'), '<h1>im marked tokenizer</h1>\n');
    });

    it('allow new Hooks()', () => {
      const marked1 = new Marked();
      const newHooks = new Hooks();
      newHooks.preprocess = () => 'im marked hooks';

      marked1.use({ hooks: newHooks });
      marked.use({ hooks: newHooks });

      assert.strictEqual(marked1.parse('# header'), '<p>im marked hooks</p>\n');
      assert.strictEqual(marked.parse('# header'), '<p>im marked hooks</p>\n');
    });
  });
});