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