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
60 lines
1.7 KiB
JavaScript
60 lines
1.7 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 {Animated, Text} from 'react-native';
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import Fade from './fade';
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jest.useFakeTimers();
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describe('Fade', () => {
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const baseProps = {
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visible: true,
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disabled: true,
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};
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function getWrapper(props = {}) {
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const dummyText = 'text';
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return shallow(
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<Fade
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{...baseProps}
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{...props}
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>
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<Text>{dummyText}</Text>
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</Fade>,
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);
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}
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test('should render {opacity: 1}', () => {
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const wrapper = getWrapper({visible: true});
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expect(wrapper.getElement()).toMatchSnapshot();
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expect(wrapper).toHaveStyle('opacity', new Animated.Value(1));
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});
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test('should render {opacity: 0}', () => {
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const wrapper = getWrapper({visible: false});
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expect(wrapper.getElement()).toMatchSnapshot();
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expect(wrapper).toHaveStyle('opacity', new Animated.Value(0));
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});
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test('should not change opacity when disabled flag is switched', () => {
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const wrapper = getWrapper({disabled: false});
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expect(wrapper).toHaveStyle('opacity', new Animated.Value(1));
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wrapper.setProps({disabled: true});
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expect(wrapper).toHaveStyle('opacity', new Animated.Value(1));
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});
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test('should not change opacity when props stay the same', () => {
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const wrapper = getWrapper({visible: true});
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expect(wrapper).toHaveStyle('opacity', new Animated.Value(1));
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wrapper.setProps({visible: true});
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expect(wrapper).toHaveStyle('opacity', new Animated.Value(1));
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});
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});
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