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import { editor as monacoEditor } from 'monaco-editor';
import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
import * as utils from '~/editor/utils';
import { DEFAULT_THEME } from '~/ide/lib/themes';
describe('Source Editor utils', () => {
let el;
const stubUserColorScheme = (value) => {
if (window.gon == null) {
window.gon = {};
}
window.gon.user_color_scheme = value;
};
describe('clearDomElement', () => {
beforeEach(() => {
setHTMLFixture('<div id="foo"><div id="bar">Foo</div></div>');
el = document.getElementById('foo');
});
afterEach(() => {
resetHTMLFixture();
});
it('removes all child nodes from an element', () => {
expect(el.children.length).toBe(1);
utils.clearDomElement(el);
expect(el.children.length).toBe(0);
});
});
describe('setupEditorTheme', () => {
beforeEach(() => {
jest.spyOn(monacoEditor, 'defineTheme').mockImplementation();
jest.spyOn(monacoEditor, 'setTheme').mockImplementation();
});
it.each`
themeName | expectedThemeName
${'solarized-light'} | ${'solarized-light'}
${DEFAULT_THEME} | ${DEFAULT_THEME}
${'non-existent'} | ${DEFAULT_THEME}
`(
'sets the $expectedThemeName theme when $themeName is set in the user preference',
({ themeName, expectedThemeName }) => {
stubUserColorScheme(themeName);
utils.setupEditorTheme();
expect(monacoEditor.setTheme).toHaveBeenCalledWith(expectedThemeName);
},
);
});
describe('getBlobLanguage', () => {
it.each`
path | expectedLanguage
${'foo.js'} | ${'javascript'}
${'foo.js.rb'} | ${'ruby'}
${'foo.bar'} | ${'plaintext'}
${undefined} | ${'plaintext'}
`(
'sets the $expectedThemeName theme when $themeName is set in the user preference',
({ path, expectedLanguage }) => {
const language = utils.getBlobLanguage(path);
expect(language).toEqual(expectedLanguage);
},
);
});
describe('setupCodeSnipet', () => {
beforeEach(() => {
jest.spyOn(monacoEditor, 'colorizeElement').mockImplementation();
jest.spyOn(monacoEditor, 'setTheme').mockImplementation();
setHTMLFixture('<pre id="foo"></pre>');
el = document.getElementById('foo');
});
afterEach(() => {
resetHTMLFixture();
});
it('colorizes the element and applies the preference theme', () => {
expect(monacoEditor.colorizeElement).not.toHaveBeenCalled();
expect(monacoEditor.setTheme).not.toHaveBeenCalled();
utils.setupCodeSnippet(el);
expect(monacoEditor.colorizeElement).toHaveBeenCalledWith(el);
expect(monacoEditor.setTheme).toHaveBeenCalled();
});
});
});
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