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common.spec.ts

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  • html.spec.ts 1.24 KiB
    import * as parser from 'node-html-parser';
    import { parse } from './html';
    
    describe('util/html', () => {
      it('parses HTML', () => {
        const body = parse('<div>Hello, world!</div>');
        expect(body.childNodes).toHaveLength(1);
        const div = body.childNodes[0] as parser.HTMLElement;
        expect(div.tagName).toBe('DIV');
        expect(div.textContent).toBe('Hello, world!');
        expect(div instanceof parser.HTMLElement).toBeTrue();
      });
      it('returns empty', () => {
        const body = parse('');
        expect(body.childNodes).toHaveLength(0);
      });
    
      it('parses HTML: PRE block hides child nodes', () => {
        const body = parse('<div>Hello, world!</div>\n<pre><a>node A</a></pre>');
        const childNodesA = body.querySelectorAll('a');
        expect(childNodesA).toHaveLength(0);
      });
    
      it('parses HTML: use additional options to discover child nodes on PRE blocks', () => {
        const body = parse('<div>Hello, world!</div>\n<pre><a>node A</a></pre>', {
          blockTextElements: {},
        });
        const childNodesA = body.querySelectorAll('a');
        expect(childNodesA).toHaveLength(1);
        const div = childNodesA[0];
        expect(div.tagName).toBe('A');
        expect(div.textContent).toBe('node A');
        expect(div instanceof parser.HTMLElement).toBe(true);
      });
    });