50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
/* eslint-disable no-return-assign */
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import $ from 'jquery';
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import syntaxHighlight from '~/syntax_highlight';
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describe('Syntax Highlighter', function() {
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const stubUserColorScheme = function(value) {
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if (window.gon == null) {
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window.gon = {};
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}
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return (window.gon.user_color_scheme = value);
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};
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describe('on a js-syntax-highlight element', function() {
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beforeEach(function() {
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return setFixtures('<div class="js-syntax-highlight"></div>');
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});
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it('applies syntax highlighting', function() {
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stubUserColorScheme('monokai');
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syntaxHighlight($('.js-syntax-highlight'));
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expect($('.js-syntax-highlight')).toHaveClass('monokai');
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});
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});
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describe('on a parent element', function() {
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beforeEach(function() {
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return setFixtures(
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'<div class="parent">\n <div class="js-syntax-highlight"></div>\n <div class="foo"></div>\n <div class="js-syntax-highlight"></div>\n</div>',
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);
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});
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it('applies highlighting to all applicable children', function() {
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stubUserColorScheme('monokai');
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syntaxHighlight($('.parent'));
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expect($('.parent, .foo')).not.toHaveClass('monokai');
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expect($('.monokai').length).toBe(2);
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});
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it('prevents an infinite loop when no matches exist', function() {
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setFixtures('<div></div>');
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const highlight = function() {
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return syntaxHighlight($('div'));
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};
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expect(highlight).not.toThrow();
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});
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});
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});
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