122 lines
3.3 KiB
JavaScript
122 lines
3.3 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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* @format
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* @flow
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*/
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'use strict';
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const React = require('react');
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const ReactNative = require('react-native');
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const {Image, View, Text, StyleSheet} = ReactNative;
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const {TestModule} = ReactNative.NativeModules;
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/*
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* The reload and force-cache tests don't actually verify that the complete functionality.
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*
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* reload: Should have the server set a long cache header, then swap the image on next load
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* with the test comparing the old image to the new image and making sure they are different.
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*
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* force-cache: Should do the above but set a no-cache header. The test should compare the first
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* image with the new one and make sure they are the same.
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*/
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const TESTS = ['only-if-cached', 'default', 'reload', 'force-cache'];
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type Props = {};
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type State = {
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'only-if-cached'?: boolean,
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default?: boolean,
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reload?: boolean,
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'force-cache'?: boolean,
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};
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class ImageCachePolicyTest extends React.Component<Props, $FlowFixMeState> {
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state = {};
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shouldComponentUpdate(nextProps: Props, nextState: State) {
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const results: Array<?boolean> = TESTS.map(x => nextState[x]);
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if (!results.includes(undefined)) {
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const result: boolean = results.reduce(
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(x, y) => (x === y) === true,
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true,
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);
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TestModule.markTestPassed(result);
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}
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return false;
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}
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testComplete(name: string, pass: boolean) {
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this.setState({[name]: pass});
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}
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render() {
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return (
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<View style={{flex: 1}}>
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<Text>Hello</Text>
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<Image
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source={{
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uri:
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'https://facebook.github.io/react-native/img/favicon.png?cacheBust=notinCache' +
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Date.now(),
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cache: 'only-if-cached',
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}}
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onLoad={() => this.testComplete('only-if-cached', false)}
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onError={() => this.testComplete('only-if-cached', true)}
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style={styles.base}
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/>
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<Image
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source={{
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uri:
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'https://facebook.github.io/react-native/img/favicon.png?cacheBust=notinCache' +
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Date.now(),
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cache: 'default',
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}}
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onLoad={() => this.testComplete('default', true)}
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onError={() => this.testComplete('default', false)}
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style={styles.base}
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/>
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<Image
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source={{
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uri:
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'https://facebook.github.io/react-native/img/favicon.png?cacheBust=notinCache' +
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Date.now(),
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cache: 'reload',
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}}
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onLoad={() => this.testComplete('reload', true)}
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onError={() => this.testComplete('reload', false)}
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style={styles.base}
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/>
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<Image
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source={{
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uri:
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'https://facebook.github.io/react-native/img/favicon.png?cacheBust=notinCache' +
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Date.now(),
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cache: 'force-cache',
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}}
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onLoad={() => this.testComplete('force-cache', true)}
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onError={() => this.testComplete('force-cache', false)}
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style={styles.base}
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/>
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</View>
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);
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}
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}
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const styles = StyleSheet.create({
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base: {
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width: 100,
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height: 100,
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},
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});
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ImageCachePolicyTest.displayName = 'ImageCachePolicyTest';
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module.exports = ImageCachePolicyTest;
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