4c8594d330
* Add linter rules for import order and type member delimiters * Remove unneeded group * Group all app/* imports before the internal imports * Move app/ imports before parent imports * Separate @node_modules imports into a different group * Substitute app paths by aliases * Fix @node_modules import order and add test related modules * Add aliases for types and test, and group import types
67 lines
2 KiB
JavaScript
67 lines
2 KiB
JavaScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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import {shallow} from 'enzyme';
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import React from 'react';
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import Swiper from './swiper.js';
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describe('Swiper', () => {
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const baseProps = {
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children: [],
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};
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test('should match snapshot', async () => {
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const wrapper = shallow(
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<Swiper {...baseProps}/>,
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);
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expect(wrapper.getElement()).toMatchSnapshot();
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});
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test('should not call scrollView.scrollTo and updateIndex when children < 2', () => {
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const children = [];
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while (children.length < 2) {
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const props = {...baseProps, children};
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const wrapper = shallow(
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<Swiper {...props}/>,
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);
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const instance = wrapper.instance();
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instance.updateIndex = jest.fn();
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instance.refScrollView({
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scrollTo: jest.fn(),
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});
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instance.scrollToIndex(1, false);
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expect(instance.scrollView.scrollTo).not.toHaveBeenCalled();
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expect(instance.updateIndex).not.toHaveBeenCalled();
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children.push('test');
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}
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expect(children.length).toBe(2);
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});
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test('should call scrollView.scrollTo and updateIndex when children >= 2', () => {
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const children = [1, 2, 3];
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while (children.length >= 2) {
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const props = {...baseProps, children};
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const wrapper = shallow(
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<Swiper {...props}/>,
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);
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const instance = wrapper.instance();
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instance.updateIndex = jest.fn();
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instance.refScrollView({
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scrollTo: jest.fn(),
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});
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instance.scrollToIndex(1, false);
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expect(instance.scrollView.scrollTo).toHaveBeenCalled();
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expect(instance.updateIndex).toHaveBeenCalled();
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children.pop();
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}
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expect(children.length).toBe(1);
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});
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});
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