149 lines
3.8 KiB
JavaScript
149 lines
3.8 KiB
JavaScript
/**
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* Copyright 2004-present Facebook. All Rights Reserved.
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*/
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'use strict';
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var RCTTestModule = require('NativeModules').TestModule;
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var React = require('react-native');
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var {
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AsyncStorage,
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Text,
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View,
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} = React;
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var DEBUG = false;
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var KEY_1 = 'key_1';
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var VAL_1 = 'val_1';
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var KEY_2 = 'key_2';
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var VAL_2 = 'val_2';
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// setup in componentDidMount
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var done;
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var updateMessage;
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function runTestCase(description, fn) {
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updateMessage(description);
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fn();
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}
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function expectTrue(condition, message) {
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if (!condition) {
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throw new Error(message);
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}
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}
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function expectEqual(lhs, rhs, testname) {
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expectTrue(
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lhs === rhs,
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'Error in test ' + testname + ': expected ' + rhs + ', got ' + lhs
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);
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}
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function expectAsyncNoError(err) {
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expectTrue(err === null, 'Unexpected Async error: ' + JSON.stringify(err));
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}
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function testSetAndGet() {
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AsyncStorage.setItem(KEY_1, VAL_1, (err1) => {
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expectAsyncNoError(err1);
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AsyncStorage.getItem(KEY_1, (err2, result) => {
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expectAsyncNoError(err2);
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expectEqual(result, VAL_1, 'testSetAndGet setItem');
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updateMessage('get(key_1) correctly returned ' + result);
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runTestCase('should get null for missing key', testMissingGet);
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});
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});
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}
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function testMissingGet() {
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AsyncStorage.getItem(KEY_2, (err, result) => {
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expectAsyncNoError(err);
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expectEqual(result, null, 'testMissingGet');
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updateMessage('missing get(key_2) correctly returned ' + result);
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runTestCase('check set twice results in a single key', testSetTwice);
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});
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}
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function testSetTwice() {
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AsyncStorage.setItem(KEY_1, VAL_1, ()=>{
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AsyncStorage.setItem(KEY_1, VAL_1, ()=>{
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AsyncStorage.getItem(KEY_1, (err, result) => {
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expectAsyncNoError(err);
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expectEqual(result, VAL_1, 'testSetTwice');
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updateMessage('setTwice worked as expected');
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runTestCase('test removeItem', testRemoveItem);
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});
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});
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});
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}
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function testRemoveItem() {
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AsyncStorage.setItem(KEY_1, VAL_1, ()=>{
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AsyncStorage.setItem(KEY_2, VAL_2, ()=>{
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AsyncStorage.getAllKeys((err, result) => {
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expectAsyncNoError(err);
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expectTrue(
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result.indexOf(KEY_1) >= 0 && result.indexOf(KEY_2) >= 0,
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'Missing KEY_1 or KEY_2 in ' + '(' + result + ')'
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);
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updateMessage('testRemoveItem - add two items');
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AsyncStorage.removeItem(KEY_1, (err) => {
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expectAsyncNoError(err);
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updateMessage('delete successful ');
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AsyncStorage.getItem(KEY_1, (err, result) => {
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expectAsyncNoError(err);
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expectEqual(
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result,
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null,
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'testRemoveItem: key_1 present after delete'
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);
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updateMessage('key properly removed ');
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AsyncStorage.getAllKeys((err, result2) => {
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expectAsyncNoError(err);
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expectTrue(
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result2.indexOf(KEY_1) === -1,
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'Unexpected: KEY_1 present in ' + result2
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);
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updateMessage('proper length returned.\nDone!');
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done();
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});
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});
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});
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});
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});
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});
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}
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var AsyncStorageTest = React.createClass({
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getInitialState() {
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return {
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messages: 'Initializing...',
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done: false,
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};
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},
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componentDidMount() {
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done = () => this.setState({done: true}, RCTTestModule.markTestCompleted);
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updateMessage = (msg) => {
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this.setState({messages: this.state.messages.concat('\n' + msg)});
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DEBUG && console.log(msg);
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};
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AsyncStorage.clear(testSetAndGet);
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},
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render() {
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return (
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<View style={{backgroundColor: 'white', padding: 40}}>
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<Text>
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{this.constructor.displayName + ': '}
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{this.state.done ? 'Done' : 'Testing...'}
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{'\n\n' + this.state.messages}
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</Text>
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</View>
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);
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}
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});
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module.exports = AsyncStorageTest;
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