110 lines
3.4 KiB
JavaScript
110 lines
3.4 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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* @format
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* @emails oncall+react_native
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*/
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'use strict';
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const React = require('React');
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const ReactTestRenderer = require('react-test-renderer');
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const SectionList = require('SectionList');
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describe('SectionList', () => {
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it('renders empty list', () => {
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const component = ReactTestRenderer.create(
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<SectionList
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sections={[]}
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renderItem={({item}) => <item v={item.key} />}
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/>,
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);
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expect(component).toMatchSnapshot();
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});
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it('rendering empty section headers is fine', () => {
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const component = ReactTestRenderer.create(
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<SectionList
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sections={[{key: 's1', data: [{key: 'i1'}, {key: 'i2'}]}]}
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renderItem={({item}) => <item v={item.key} />}
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renderSectionHeader={() => null}
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/>,
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);
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expect(component).toMatchSnapshot();
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});
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it('renders all the bells and whistles', () => {
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const component = ReactTestRenderer.create(
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<SectionList
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initialNumToRender={Infinity}
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ItemSeparatorComponent={props => (
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<defaultItemSeparator v={propStr(props)} />
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)}
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ListEmptyComponent={props => <empty v={propStr(props)} />}
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ListFooterComponent={props => <footer v={propStr(props)} />}
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ListHeaderComponent={props => <header v={propStr(props)} />}
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SectionSeparatorComponent={props => (
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<sectionSeparator v={propStr(props)} />
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)}
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sections={[
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{
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renderItem: props => <itemForSection1 v={propStr(props)} />,
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key: 's1',
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keyExtractor: (item, index) => item.id,
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ItemSeparatorComponent: props => (
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<itemSeparatorForSection1 v={propStr(props)} />
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),
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data: [{id: 'i1s1'}, {id: 'i2s1'}],
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},
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{
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key: 's2',
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data: [{key: 'i1s2'}, {key: 'i2s2'}],
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},
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{
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key: 's3',
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data: [{key: 'i1s3'}, {key: 'i2s3'}],
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},
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]}
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refreshing={false}
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onRefresh={jest.fn()}
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renderItem={props => <defaultItem v={propStr(props)} />}
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renderSectionHeader={props => <sectionHeader v={propStr(props)} />}
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renderSectionFooter={props => <sectionFooter v={propStr(props)} />}
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/>,
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);
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expect(component).toMatchSnapshot();
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});
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it('renders a footer when there is no data', () => {
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const component = ReactTestRenderer.create(
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<SectionList
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sections={[{key: 's1', data: []}]}
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renderItem={({item}) => <item v={item.key} />}
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renderSectionHeader={props => <sectionHeader v={propStr(props)} />}
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renderSectionFooter={props => <sectionFooter v={propStr(props)} />}
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/>,
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);
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expect(component).toMatchSnapshot();
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});
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it('renders a footer when there is no data and no header', () => {
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const component = ReactTestRenderer.create(
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<SectionList
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sections={[{key: 's1', data: []}]}
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renderItem={({item}) => <item v={item.key} />}
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renderSectionFooter={props => <sectionFooter v={propStr(props)} />}
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/>,
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);
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expect(component).toMatchSnapshot();
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});
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});
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function propStr(props) {
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return Object.keys(props)
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.map(k => {
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const propObj = props[k] || {};
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return `${k}:${propObj.key || propObj.id || props[k]}`;
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})
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.join(',');
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}
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