How to use handleIncomingMessage method in Best

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kafkaThrottlingManager-test.js

Source:kafkaThrottlingManager-test.js

...45                partition: 4,46                msg: 'some-message1',47                offset: 100048            };49            kafkaThrottlingManager.handleIncomingMessage(message);50            await sleep(1000);51            should(commitFunctionStub.calledOnce).eql(true);52            should(logTraceStub.args[0][0]).equal(`kafkaThrottlingManager finished handling message: topic: ${message.topic}, partition: ${message.partition}, offset: ${message.offset}`);53        });54        it('Second call to handleIncomingMessage should write to inner queue ', async () => {55            sandbox.resetHistory();56            let message = {57                topic: 'TopicA',58                partition: 4,59                msg: 'some-message2',60                offset: 100261            };62            kafkaThrottlingManager.handleIncomingMessage(message);63            await sleep(100);64            should(commitFunctionStub.calledOnce).eql(true);65            should(logTraceStub.args[0][0]).equal(`kafkaThrottlingManager finished handling message: topic: ${message.topic}, partition: ${message.partition}, offset: ${message.offset}`);66        });67    });68    describe('handleIncomingMessage is failing', () => {69        let errorCallbackStub;70        before(async () => {71            logInfoStub = sandbox.stub();72            logTraceStub = sandbox.stub();73            logErrorStub = sandbox.stub();74            errorCallbackStub = sandbox.stub();75            logger = { error: logErrorStub, trace: logTraceStub, info: logInfoStub };76            commitFunctionStub = sandbox.stub();77            kafkaStreamConsumer.commit = commitFunctionStub;78            kafkaThrottlingManager = new KafkaThrottlingManager();79            kafkaThrottlingManager.init(1, 5000, ['TopicA', 'TopicB'],80                () => Promise.reject(new Error('some error message')),81                (msg, err) => {82                    return errorCallbackStub(msg, err);83                },84                kafkaStreamConsumer, logger);85        });86        afterEach(() => {87            sandbox.reset();88        });89        after(() => {90            kafkaThrottlingManager.stop();91            sandbox.restore();92        });93        it('handleIncomingMessage should rejected and write it to log ', async () => {94            sandbox.resetHistory();95            errorCallbackStub.yields('error function that resolves');96            let message = {97                topic: 'TopicA',98                partition: 4,99                msg: 'some-message',100                offset: 1005101            };102            let endStub = sandbox.stub();103            let histogram = {104                startTimer: sandbox.stub()105            };106            histogram.startTimer.returns(endStub);107            kafkaThrottlingManager.handleIncomingMessage(message, histogram);108            await sleep(100);109            should(commitFunctionStub.calledOnce).eql(true);110            should(errorCallbackStub.calledOnce).eql(true);111            should(errorCallbackStub.args[0][0]).deepEqual(message);112            should(errorCallbackStub.args[0][1]).deepEqual(new Error('some error message'));113            should(logErrorStub.args[0]).eql(['MessageFunction was rejected', new Error('some error message')]);114        });115        it('handleIncomingMessage should rejected and write it to log ', async () => {116            sandbox.resetHistory();117            errorCallbackStub.rejects('error function that rejects');118            let message = {119                topic: 'TopicA',120                partition: 4,121                msg: 'some-message',122                offset: 1005123            };124            let endStub = sandbox.stub();125            let histogram = {126                startTimer: sandbox.stub()127            };128            histogram.startTimer.returns(endStub);129            kafkaThrottlingManager.handleIncomingMessage(message, histogram);130            await sleep(100);131            should(commitFunctionStub.calledOnce).eql(true);132            should(errorCallbackStub.calledOnce).eql(true);133            should(errorCallbackStub.args[0][0]).deepEqual(message);134            should(logErrorStub.args[0]).eql(['MessageFunction was rejected', new Error('some error message')]);135            should(logErrorStub.args[1][0]).eql('ErrorMessageFunction invocation was rejected');136        });137    });138    describe('Testing init and the manageQueue by interval', () => {139        let interval = 1000;140        let thresholdMessages = 20;141        let callbackFunc = () => {142            return new Promise((resolve, reject) => {143                setTimeout(() => {144                    return resolve();145                }, 200);146            });147        };148        let callbackErrorFunc = () => {149            return new Promise((resolve, reject) => {150                setTimeout(() => {151                    return resolve();152                }, 200);153            });154        };155        before(() => {156            logInfoStub = sandbox.stub();157            logTraceStub = sandbox.stub();158            logger = { error: sandbox.stub(), trace: logTraceStub, info: logInfoStub };159        });160        after(() => {161            kafkaThrottlingManager.stop();162            sandbox.resetHistory();163            sandbox.restore();164        });165        it('Successful init to inner async queues', () => {166            kafkaThrottlingManager = new KafkaThrottlingManager();167            kafkaThrottlingManager.init(thresholdMessages,168                interval, ['TopicA', 'TopicB'], callbackFunc, callbackErrorFunc, kafkaStreamConsumer, logger);169            let queues = kafkaThrottlingManager.innerQueues;170            queues.should.eql({ TopicA: {}, TopicB: {} });171        });172        it('Wait for first interval', (done) => {173            setTimeout(() => done(), interval);174        });175        it('Verify manageQueues was called and not paused', () => {176            should(logTraceStub.args[0][0]).eql('managing queues..');177            should(logTraceStub.args[1][0]).eql('Total messages in queues are: 0');178            should(consumerSetThirstyStub.args[0][0]).eql(true);179            should(consumerResumeStub.calledOnce).eql(true);180            should(consumerPauseStub.callCount).eql(0);181            sandbox.reset();182        });183        it('set number of messages to above the threshold', () => {184            for (let i = 0; i < thresholdMessages + 30; i++) {185                kafkaThrottlingManager.handleIncomingMessage({ partition: 0, topic: 'TopicA', offset: i });186            }187        });188        it('Wait for second interval', (done) => {189            setTimeout(() => done(), interval);190        });191        it('Verify manageQueues was called and paused', () => {192            should(consumerSetThirstyStub.args[consumerSetThirstyStub.args.length - 1][0]).eql(false);193            should(consumerPauseStub.calledOnce).eql(true);194        });195    });...

ChatRoom.jsx

Source:ChatRoom.jsx

1import { useEffect, useState, useRef } from 'react'2import Button from 'react-bootstrap/Button'3import Form from 'react-bootstrap/Form'4import InputGroup from 'react-bootstrap/InputGroup'5import ListGroup from 'react-bootstrap/ListGroup'6import { useNavigate, useParams } from 'react-router-dom'7import { useChatContext } from '../contexts/ChatContextProvider'8const ChatRoom = () => {9	const [message, setMessage] = useState('')10	const [messages, setMessages] = useState([])11	const [users, setUsers] = useState([])12	const [connected, setConnected] = useState(false)13	const { chatUsername, socket } = useChatContext()14	const { room_id } = useParams()15	const navigate = useNavigate()16	const messageRef = useRef()17	const handleIncomingMessage = msg => {18		console.log("Received a new chat message", msg)19		// add message to chat20		setMessages(prevMessages => [ ...prevMessages, msg ])21	}22	const handleUpdateUsers = userlist => {23		console.log("Got new userlist", userlist)24		setUsers(userlist)25	}26	const handleSubmit = async e => {27		e.preventDefault()28		if (!message.length) {29			return30		}31		// construct message object32		const msg = {33			username: chatUsername,34			room: room_id,35			content: message,36			timestamp: Date.now(),37		}38		// emit chat message39		socket.emit('chat:message', msg)40		// add message to chat41		setMessages(prevMessages =>42			[43				...prevMessages,44				{ ...msg, self: true }45			]46		)47		// clear message input and refocus on input element48		setMessage('')49		messageRef.current.focus()50	}51	// connect to room when component is mounted52	useEffect(() => {53		// if no username, redirect them to the login page54		if (!chatUsername) {55			navigate('/')56			return57		}58		// emit join request59		socket.emit('user:joined', chatUsername, room_id, status => {60			console.log(`Successfully joined ${room_id} as ${chatUsername}`, status)61			setConnected(true)62		})63		// listen for incoming messages64		socket.on('chat:message', handleIncomingMessage)65		// listen for updated userlist66		socket.on('user:list', handleUpdateUsers)67		return () => {68			console.log("Running cleanup")69			// stop listening to events70			socket.off('chat:message', handleIncomingMessage)71			socket.off('user:list', handleUpdateUsers)72			// rage-quit73			socket.emit('user:left', chatUsername, room_id)74		}75	}, [socket, room_id, chatUsername, navigate])76	useEffect(() => {77		// focus on message input78		messageRef.current && messageRef.current.focus()79	}, [])80	// display connecting message81	if (!connected) {82		return (83			<p>Stand by, connecting....</p>84		)85	}86	return (87		<div id="chat-room">88			<div id="chat">89				<h2>#{room_id}</h2>90				<div id="messages-wrapper">91					<ListGroup id="messages">92						{messages.map((message, index) => {93							const ts = new Date(message.timestamp)94							const time = ts.toLocaleTimeString()95							return (96								<ListGroup.Item key={index} className="message">97									<span className="time">{time}</span>98									<span className="user">{message.username}:</span>99									<span className="content">{message.content}</span>100								</ListGroup.Item>101							)102						}103					)}104					</ListGroup>105				</div>106				<Form onSubmit={handleSubmit} id="message-form">107					<InputGroup>108						<Form.Control109							onChange={e => setMessage(e.target.value)}110							placeholder="Say something nice..."111							ref={messageRef}112							required113							type="text"114							value={message}115						/>116						<Button variant="success" type="submit" disabled={!message.length}>Send</Button>117					</InputGroup>118				</Form>119			</div>120			<div id="users">121				<h2>Users</h2>122				<ul id="online-users">123					{Object.values(users).map((user, index) =>124						<li key={index}><span className="user-icon">ð§</span> {user}</li>125					)}126				</ul>127			</div>128		</div>129	)130}...

App.js

Source:App.js

...22    socket.emit(JOIN_ROOM, {23      room: 'room_name',24      id: USER_ID,25    })26    handleIncomingMessage({ message: `Hi, ${USER_ID}.` })27  }28  const handleUserConnect = (userId) => {29    handleIncomingMessage({ message: `${userId} connected` })30  }31  const handleUserDisconnect = (userId) => {32    handleIncomingMessage({ message: `${userId} disconnected` })33  }34  const addSocketListeners = () => {35    socket.on(RECEIVE_MESSAGE, handleIncomingMessage)36    socket.on(USER_CONNECTED, handleUserConnect)37    socket.on(USER_DISCONNECTED, handleUserDisconnect)38  }39  const removeSocketListeners = () => {40    socket.off(RECEIVE_MESSAGE, handleIncomingMessage)41    socket.off(USER_CONNECTED, handleUserConnect)42    socket.off(USER_DISCONNECTED, handleUserDisconnect)43  }44  useEffect(() => {45    joinSocketRoom()46    addSocketListeners()...

Using AI Code Generation

1var BestBot = require('./BestBot');2var myBot = new BestBot();3myBot.handleIncomingMessage('hello');4myBot.handleIncomingMessage('what is your name?');5myBot.handleIncomingMessage('what is 2 + 2?');6myBot.handleIncomingMessage('what is 2 - 2?');7myBot.handleIncomingMessage('what is 2 * 2?');8myBot.handleIncomingMessage('what is 2 / 2?');9myBot.handleIncomingMessage('what is 2 ^ 2?');10myBot.handleIncomingMessage('what is 2 % 2?');11myBot.handleIncomingMessage('what is the square root of 2?');12myBot.handleIncomingMessage('what is 2 + 2 * 2?');13myBot.handleIncomingMessage('what is 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2?');

Using AI Code Generation

1var BestBot = require('./BestBot.js');2var bot = new BestBot();3bot.handleIncomingMessage('Hello', function (response) {4    console.log(response);5});6bot.handleIncomingMessage('How are you', function (response) {

Using AI Code Generation

1const BestBot = require('./BestBot');2let myBot = new BestBot();3myBot.handleIncomingMessage('hello');4myBot.handleIncomingMessage('help');5myBot.handleIncomingMessage('what do you do?');6myBot.handleIncomingMessage('who are you?');7myBot.handleIncomingMessage('what is your name?');8myBot.handleIncomingMessage('goodbye');9myBot.handleIncomingMessage('bye');10myBot.handleIncomingMessage('see you later');11myBot.handleIncomingMessage('I love you');12myBot.handleIncomingMessage('I hate you');13myBot.handleIncomingMessage('I like you');14myBot.handleIncomingMessage('I am happy');15myBot.handleIncomingMessage('I am sad');16myBot.handleIncomingMessage('I am angry');17myBot.handleIncomingMessage('I am confused');18myBot.handleIncomingMessage('I am bored');19myBot.handleIncomingMessage('I am tired');20myBot.handleIncomingMessage('I am hungry');21myBot.handleIncomingMessage('I am thirsty');22myBot.handleIncomingMessage('I am scared');23myBot.handleIncomingMessage('I am excited');24myBot.handleIncomingMessage('I am worried');25myBot.handleIncomingMessage('I am anxious');26myBot.handleIncomingMessage('I am sick');27myBot.handleIncomingMessage('I am not well');28myBot.handleIncomingMessage('I am ill');29myBot.handleIncomingMessage('I am freezing');30myBot.handleIncomingMessage('I am hot');31myBot.handleIncomingMessage('I am cold');32myBot.handleIncomingMessage('I am warm');33myBot.handleIncomingMessage('I am in pain');34myBot.handleIncomingMessage('I am in trouble');35myBot.handleIncomingMessage('I am in danger');36myBot.handleIncomingMessage('I am in distres

Using AI Code Generation

1const BestBot = require('./BestBot.js');2const bot = new BestBot();3const message = {4};5bot.handleIncomingMessage(message, (response) => {6    console.log(response.text);7});

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