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import axios from 'axios';
import MockAdapter from 'axios-mock-adapter';
import Dropzone from 'dropzone';
import $ from 'jquery';
import htmlSnippetsShow from 'test_fixtures/snippets/show.html';
import { Mousetrap } from '~/lib/mousetrap';
import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
import GLForm from '~/gl_form';
import * as utils from '~/lib/utils/common_utils';
import { HTTP_STATUS_OK } from '~/lib/utils/http_status';
import ZenMode from '~/zen_mode';
describe('ZenMode', () => {
let mock;
let zen;
let dropzoneForElementSpy;
const getTextarea = () => $('.notes-form textarea');
function enterZen() {
$('.notes-form .js-zen-enter').click();
}
function exitZen() {
$('.notes-form .js-zen-leave').click();
}
function escapeKeydown() {
getTextarea().trigger(
$.Event('keydown', {
keyCode: 27,
}),
);
}
beforeEach(() => {
mock = new MockAdapter(axios);
mock.onGet().reply(HTTP_STATUS_OK);
setHTMLFixture(htmlSnippetsShow);
const form = $('.js-new-note-form');
new GLForm(form); // eslint-disable-line no-new
dropzoneForElementSpy = jest.spyOn(Dropzone, 'forElement').mockImplementation(() => ({
enable: () => true,
}));
zen = new ZenMode();
// Set this manually because we can't actually scroll the window
zen.scroll_position = 456;
});
afterEach(() => {
$(document).off('click', '.js-zen-enter');
$(document).off('click', '.js-zen-leave');
$(document).off('zen_mode:enter');
$(document).off('zen_mode:leave');
$(document).off('keydown');
resetHTMLFixture();
});
describe('enabling dropzone', () => {
beforeEach(() => {
enterZen();
});
it('should not call dropzone if element is not dropzone valid', () => {
$('.div-dropzone').addClass('js-invalid-dropzone');
exitZen();
expect(dropzoneForElementSpy).not.toHaveBeenCalled();
});
it('should call dropzone if element is dropzone valid', () => {
$('.div-dropzone').removeClass('js-invalid-dropzone');
exitZen();
expect(dropzoneForElementSpy).toHaveBeenCalledTimes(1);
});
});
describe('on enter', () => {
it('pauses Mousetrap', () => {
const mouseTrapPauseSpy = jest.spyOn(Mousetrap, 'pause');
enterZen();
expect(mouseTrapPauseSpy).toHaveBeenCalled();
});
it('removes textarea styling', () => {
getTextarea().attr('style', 'height: 400px');
enterZen();
expect(getTextarea()).not.toHaveAttr('style');
});
});
describe('in use', () => {
beforeEach(enterZen);
it('exits on Escape', () => {
escapeKeydown();
expect($('.notes-form .zen-backdrop')).not.toHaveClass('fullscreen');
});
});
describe('on exit', () => {
beforeEach(enterZen);
it('unpauses Mousetrap', () => {
const mouseTrapUnpauseSpy = jest.spyOn(Mousetrap, 'unpause');
exitZen();
expect(mouseTrapUnpauseSpy).toHaveBeenCalled();
});
it('restores the scroll position', () => {
jest.spyOn(utils, 'scrollToElement');
exitZen();
expect(utils.scrollToElement).toHaveBeenCalled();
});
});
it('restores textarea style', () => {
const style = 'color: red; overflow-y: hidden;';
getTextarea().attr('style', style);
expect(getTextarea()).toHaveAttr('style', style);
enterZen();
exitZen();
expect(getTextarea()).toHaveAttr('style', style);
});
});
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