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const { HumanChatMessage, AIChatMessage } = require('langchain/schema');
const PluginsClient = require('../PluginsClient');
const crypto = require('crypto');
jest.mock('../../../lib/db/connectDb');
jest.mock('../../../models/Conversation', () => {
return function () {
return {
save: jest.fn(),
deleteConvos: jest.fn(),
};
};
});
describe('PluginsClient', () => {
let TestAgent;
let options = {
tools: [],
modelOptions: {
model: 'gpt-3.5-turbo',
temperature: 0,
max_tokens: 2,
},
agentOptions: {
model: 'gpt-3.5-turbo',
},
};
let parentMessageId;
let conversationId;
const fakeMessages = [];
const userMessage = 'Hello, ChatGPT!';
const apiKey = 'fake-api-key';
beforeEach(() => {
TestAgent = new PluginsClient(apiKey, options);
TestAgent.loadHistory = jest
.fn()
.mockImplementation((conversationId, parentMessageId = null) => {
if (!conversationId) {
TestAgent.currentMessages = [];
return Promise.resolve([]);
}
const orderedMessages = TestAgent.constructor.getMessagesForConversation(
fakeMessages,
parentMessageId,
);
const chatMessages = orderedMessages.map((msg) =>
msg?.isCreatedByUser || msg?.role?.toLowerCase() === 'user'
? new HumanChatMessage(msg.text)
: new AIChatMessage(msg.text),
);
TestAgent.currentMessages = orderedMessages;
return Promise.resolve(chatMessages);
});
TestAgent.sendMessage = jest.fn().mockImplementation(async (message, opts = {}) => {
if (opts && typeof opts === 'object') {
TestAgent.setOptions(opts);
}
const conversationId = opts.conversationId || crypto.randomUUID();
const parentMessageId = opts.parentMessageId || '00000000-0000-0000-0000-000000000000';
const userMessageId = opts.overrideParentMessageId || crypto.randomUUID();
this.pastMessages = await TestAgent.loadHistory(
conversationId,
TestAgent.options?.parentMessageId,
);
const userMessage = {
text: message,
sender: 'ChatGPT',
isCreatedByUser: true,
messageId: userMessageId,
parentMessageId,
conversationId,
};
const response = {
sender: 'ChatGPT',
text: 'Hello, User!',
isCreatedByUser: false,
messageId: crypto.randomUUID(),
parentMessageId: userMessage.messageId,
conversationId,
};
fakeMessages.push(userMessage);
fakeMessages.push(response);
return response;
});
});
test('initializes PluginsClient without crashing', () => {
expect(TestAgent).toBeInstanceOf(PluginsClient);
});
test('check setOptions function', () => {
expect(TestAgent.agentIsGpt3).toBe(true);
});
describe('sendMessage', () => {
test('sendMessage should return a response message', async () => {
const expectedResult = expect.objectContaining({
sender: 'ChatGPT',
text: expect.any(String),
isCreatedByUser: false,
messageId: expect.any(String),
parentMessageId: expect.any(String),
conversationId: expect.any(String),
});
const response = await TestAgent.sendMessage(userMessage);
console.log(response);
parentMessageId = response.messageId;
conversationId = response.conversationId;
expect(response).toEqual(expectedResult);
});
test('sendMessage should work with provided conversationId and parentMessageId', async () => {
const userMessage = 'Second message in the conversation';
const opts = {
conversationId,
parentMessageId,
};
const expectedResult = expect.objectContaining({
sender: 'ChatGPT',
text: expect.any(String),
isCreatedByUser: false,
messageId: expect.any(String),
parentMessageId: expect.any(String),
conversationId: opts.conversationId,
});
const response = await TestAgent.sendMessage(userMessage, opts);
parentMessageId = response.messageId;
expect(response.conversationId).toEqual(conversationId);
expect(response).toEqual(expectedResult);
});
test('should return chat history', async () => {
const chatMessages = await TestAgent.loadHistory(conversationId, parentMessageId);
expect(TestAgent.currentMessages).toHaveLength(4);
expect(chatMessages[0].text).toEqual(userMessage);
});
});
});
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