react-native/Libraries/Lists/__tests__/SectionList-test.js

80 lines
2.6 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
jest.disableAutomock();
const React = require('React');
const ReactTestRenderer = require('react-test-renderer');
const SectionList = require('SectionList');
describe('SectionList', () => {
it('renders empty list', () => {
const component = ReactTestRenderer.create(
<SectionList
sections={[]}
renderItem={({item}) => <item v={item.key} />}
/>
);
expect(component).toMatchSnapshot();
});
it('rendering empty section headers is fine', () => {
const component = ReactTestRenderer.create(
<SectionList
sections={[{key: 's1', data: [{key: 'i1'}, {key: 'i2'}]}]}
renderItem={({item}) => <item v={item.key} />}
renderSectionHeader={() => null}
/>
);
expect(component).toMatchSnapshot();
});
it('renders all the bells and whistles', () => {
const component = ReactTestRenderer.create(
<SectionList
ItemSeparatorComponent={(props) => <defaultItemSeparator v={propStr(props)} />}
ListFooterComponent={(props) => <footer v={propStr(props)} />}
ListHeaderComponent={(props) => <header v={propStr(props)} />}
SectionSeparatorComponent={(props) => <sectionSeparator v={propStr(props)} />}
sections={[
{
renderItem: (props) => <itemForSection1 v={propStr(props)} />,
key: 's1',
keyExtractor: (item, index) => item.id,
ItemSeparatorComponent: (props) => <itemSeparatorForSection1 v={propStr(props)} />,
data: [{id: 'i1s1'}, {id: 'i2s1'}],
},
{
key: 's2',
data: [{key: 'i1s2'}, {key: 'i2s2'}],
},
{
key: 's3',
data: [{key: 'i1s3'}, {key: 'i2s3'}],
},
]}
refreshing={false}
onRefresh={jest.fn()}
renderItem={(props) => <defaultItem v={propStr(props)} />}
renderSectionHeader={(props) => <sectionHeader v={propStr(props)} />}
renderSectionFooter={(props) => <sectionFooter v={propStr(props)} />}
/>
);
expect(component).toMatchSnapshot();
});
});
function propStr(props) {
return Object.keys(props).map(k => {
const propObj = props[k] || {};
return `${k}:${propObj.key || propObj.id || props[k]}`;
}).join(',');
}