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import wrapChildNodes from '~/vue_shared/components/source_viewer/plugins/wrap_child_nodes';
describe('Highlight.js plugin for wrapping _emitter nodes', () => {
it('mutates the input value by wrapping each node in a span tag', () => {
const hljsResultMock = {
_emitter: {
rootNode: {
children: [
{ scope: 'string', children: ['Text 1'] },
{ scope: 'string', children: ['Text 2', { scope: 'comment', children: ['Text 3'] }] },
{ scope: undefined, sublanguage: true, children: ['Text 4 (sublanguage)'] },
{ scope: undefined, sublanguage: undefined, children: ['Text 5'] },
'Text6\nText7',
],
},
},
};
const outputValue = `<span class="hljs-string">Text 1</span><span class="hljs-string"><span class="hljs-string">Text 2</span><span class="hljs-comment">Text 3</span></span><span class="">Text 4 (sublanguage)</span><span class="">Text 5</span><span class="">Text6</span>\n<span class="">Text7</span>`;
wrapChildNodes(hljsResultMock);
expect(hljsResultMock.value).toBe(outputValue);
});
});
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