133 lines
3.0 KiB
JavaScript
133 lines
3.0 KiB
JavaScript
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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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Text,
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View,
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} = React;
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var RNFS = require('react-native-fs');
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var DEBUG = false;
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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 expectFSNoError(err) {
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expectTrue(err === null, 'Unexpected FS error: ' + JSON.stringify(err));
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}
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function testWriteAndReadFile() {
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var path = RNFS.DocumentDirectoryPath + '/test.txt';
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var text = 'Lorem ipsum dolor sit amet';
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var readText;
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RNFS.writeFile(path, text)
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.then((success) => {
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updateMessage('FILE WRITTEN!');
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return RNFS.readFile(path);
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})
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.then((contents) => {
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updateMessage('FILE READ! Contents:');
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readText = contents;
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expectEqual(text, readText, 'testWriteAndReadFile');
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updateMessage('readFile correctly returned' + readText);
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})
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.finally(() => {
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runTestCase('testCreateAndDeleteFile', testCreateAndDeleteFile);
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})
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.done();//promise done needed to throw exception so that in case test fails,error is propagated
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}
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function testCreateAndDeleteFile() {
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var path = RNFS.DocumentDirectoryPath + '/test.txt';
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var text = 'Lorem ipsum dolor sit amet';
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var readText;
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RNFS.writeFile(path, text)
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.then((success) => {
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updateMessage('FILE CREATED!');
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return RNFS.unlink(path);
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})
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.spread((success, path) => {
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updateMessage('FILE DELETED!' + success + ',' + path);
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return RNFS.stat(path);
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})
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.then((statResult) => {
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updateMessage('*****' + statResult);
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if (statResult.isFile()) {
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updateMessage('FILE STILL EXISTS');
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}
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})
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.catch((err) => {
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updateMessage('catch' + err);
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expectTrue(true,'File is deleted');
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})
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.finally(() => {
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done(); //testrunners done
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})
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.done(); //promise done needed to throw exception so that in case test fails,error is propagated
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}
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var FSTest = 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({
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done: true
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}, RCTTestModule.markTestCompleted);
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updateMessage = (msg) => {
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this.setState({
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messages: this.state.messages.concat('\n' + msg)
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});
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DEBUG && console.log(msg);
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};
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testWriteAndReadFile();
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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 = FSTest;
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