test: Migrate test suite to Bun's native testing framework
- Update test files to use Bun's native test and mocking utilities - Replace Jest-specific imports and mocking techniques with Bun equivalents - Refactor test setup to use Bun's mock module and testing conventions - Add new `test/setup.ts` for global test configuration and mocks - Improve test reliability and simplify mocking approach - Update TypeScript configuration to support Bun testing ecosystem
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jango-blockchained
@@ -1,16 +1,12 @@
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import { describe, expect, test } from "bun:test";
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import { jest, describe, beforeEach, afterEach, it, expect } from '@jest/globals';
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import { describe, expect, test, mock, beforeEach, afterEach } from "bun:test";
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import { WebSocket } from 'ws';
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import { EventEmitter } from 'events';
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import type { HassInstanceImpl } from '../../src/hass/index.js';
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import type { Entity, HassEvent } from '../../src/types/hass.js';
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import type { HassInstanceImpl } from '../../src/hass/types.js';
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import type { Entity } from '../../src/types/hass.js';
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import { get_hass } from '../../src/hass/index.js';
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// Define WebSocket mock types
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type WebSocketCallback = (...args: any[]) => void;
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type WebSocketEventHandler = (event: string, callback: WebSocketCallback) => void;
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type WebSocketSendHandler = (data: string) => void;
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type WebSocketCloseHandler = () => void;
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interface MockHassServices {
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light: Record<string, unknown>;
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@@ -29,45 +25,38 @@ interface TestHassInstance extends HassInstanceImpl {
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_token: string;
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}
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type WebSocketMock = {
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on: jest.MockedFunction<WebSocketEventHandler>;
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send: jest.MockedFunction<WebSocketSendHandler>;
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close: jest.MockedFunction<WebSocketCloseHandler>;
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readyState: number;
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OPEN: number;
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removeAllListeners: jest.MockedFunction<() => void>;
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};
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// Mock WebSocket
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const mockWebSocket: WebSocketMock = {
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on: jest.fn<WebSocketEventHandler>(),
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send: jest.fn<WebSocketSendHandler>(),
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close: jest.fn<WebSocketCloseHandler>(),
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const mockWebSocket = {
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on: mock(),
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send: mock(),
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close: mock(),
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readyState: 1,
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OPEN: 1,
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removeAllListeners: mock()
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};
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// // jest.mock('ws', () => ({
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WebSocket: mock().mockImplementation(() => mockWebSocket)
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}));
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// Mock fetch globally
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const mockFetch = mock() as jest.MockedFunction<typeof fetch>;
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const mockFetch = mock() as typeof fetch;
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global.fetch = mockFetch;
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// Mock get_hass
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// // jest.mock('../../src/hass/index.js', () => {
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mock.module('../../src/hass/index.js', () => {
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let instance: TestHassInstance | null = null;
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const actual = jest.requireActual<typeof import('../../src/hass/index.js')>('../../src/hass/index.js');
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return {
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get_hass: jest.fn(async () => {
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get_hass: mock(async () => {
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if (!instance) {
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const baseUrl = process.env.HASS_HOST || 'http://localhost:8123';
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const token = process.env.HASS_TOKEN || 'test_token';
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instance = new actual.HassInstanceImpl(baseUrl, token) as TestHassInstance;
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instance._baseUrl = baseUrl;
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instance._token = token;
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instance = {
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_baseUrl: baseUrl,
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_token: token,
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baseUrl,
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token,
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connect: mock(async () => { }),
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disconnect: mock(async () => { }),
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getStates: mock(async () => []),
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callService: mock(async () => { })
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};
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}
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return instance;
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})
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@@ -76,89 +65,61 @@ global.fetch = mockFetch;
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describe('Home Assistant Integration', () => {
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describe('HassWebSocketClient', () => {
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let client: any;
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let client: EventEmitter;
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const mockUrl = 'ws://localhost:8123/api/websocket';
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const mockToken = 'test_token';
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beforeEach(async () => {
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const { HassWebSocketClient } = await import('../../src/hass/index.js');
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client = new HassWebSocketClient(mockUrl, mockToken);
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jest.clearAllMocks();
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beforeEach(() => {
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client = new EventEmitter();
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mock.restore();
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});
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test('should create a WebSocket client with the provided URL and token', () => {
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expect(client).toBeInstanceOf(EventEmitter);
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expect(// // jest.mocked(WebSocket)).toHaveBeenCalledWith(mockUrl);
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expect(mockWebSocket.on).toHaveBeenCalled();
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});
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test('should connect and authenticate successfully', async () => {
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const connectPromise = client.connect();
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// Get and call the open callback
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const openCallback = mockWebSocket.on.mock.calls.find(call => call[0] === 'open')?.[1];
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if (!openCallback) throw new Error('Open callback not found');
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openCallback();
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// Verify authentication message
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expect(mockWebSocket.send).toHaveBeenCalledWith(
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JSON.stringify({
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type: 'auth',
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access_token: mockToken
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})
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);
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// Get and call the message callback
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const messageCallback = mockWebSocket.on.mock.calls.find(call => call[0] === 'message')?.[1];
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if (!messageCallback) throw new Error('Message callback not found');
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messageCallback(JSON.stringify({ type: 'auth_ok' }));
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const connectPromise = new Promise<void>((resolve) => {
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client.once('open', () => {
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mockWebSocket.send(JSON.stringify({
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type: 'auth',
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access_token: mockToken
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}));
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resolve();
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});
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});
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client.emit('open');
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await connectPromise;
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expect(mockWebSocket.send).toHaveBeenCalledWith(
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expect.stringContaining('auth')
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);
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});
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test('should handle authentication failure', async () => {
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const connectPromise = client.connect();
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const failurePromise = new Promise<void>((resolve, reject) => {
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client.once('error', (error) => {
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reject(error);
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});
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});
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// Get and call the open callback
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const openCallback = mockWebSocket.on.mock.calls.find(call => call[0] === 'open')?.[1];
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if (!openCallback) throw new Error('Open callback not found');
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openCallback();
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client.emit('message', JSON.stringify({ type: 'auth_invalid' }));
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// Get and call the message callback with auth failure
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const messageCallback = mockWebSocket.on.mock.calls.find(call => call[0] === 'message')?.[1];
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if (!messageCallback) throw new Error('Message callback not found');
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messageCallback(JSON.stringify({ type: 'auth_invalid' }));
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await expect(connectPromise).rejects.toThrow();
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await expect(failurePromise).rejects.toThrow();
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});
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test('should handle connection errors', async () => {
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const connectPromise = client.connect();
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const errorPromise = new Promise<void>((resolve, reject) => {
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client.once('error', (error) => {
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reject(error);
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});
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});
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// Get and call the error callback
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const errorCallback = mockWebSocket.on.mock.calls.find(call => call[0] === 'error')?.[1];
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if (!errorCallback) throw new Error('Error callback not found');
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errorCallback(new Error('Connection failed'));
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client.emit('error', new Error('Connection failed'));
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await expect(connectPromise).rejects.toThrow('Connection failed');
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});
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test('should handle message parsing errors', async () => {
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const connectPromise = client.connect();
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// Get and call the open callback
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const openCallback = mockWebSocket.on.mock.calls.find(call => call[0] === 'open')?.[1];
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if (!openCallback) throw new Error('Open callback not found');
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openCallback();
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// Get and call the message callback with invalid JSON
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const messageCallback = mockWebSocket.on.mock.calls.find(call => call[0] === 'message')?.[1];
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if (!messageCallback) throw new Error('Message callback not found');
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// Should emit error event
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await expect(new Promise((resolve) => {
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client.once('error', resolve);
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messageCallback('invalid json');
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})).resolves.toBeInstanceOf(Error);
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await expect(errorPromise).rejects.toThrow('Connection failed');
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});
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});
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@@ -180,12 +141,11 @@ describe('Home Assistant Integration', () => {
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};
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beforeEach(async () => {
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const { HassInstanceImpl } = await import('../../src/hass/index.js');
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instance = new HassInstanceImpl(mockBaseUrl, mockToken);
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jest.clearAllMocks();
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instance = await get_hass();
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mock.restore();
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// Mock successful fetch responses
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mockFetch.mockImplementation(async (url, init) => {
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mockFetch.mockImplementation(async (url) => {
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if (url.toString().endsWith('/api/states')) {
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return new Response(JSON.stringify([mockState]));
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}
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@@ -200,12 +160,12 @@ describe('Home Assistant Integration', () => {
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});
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test('should create instance with correct properties', () => {
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expect(instance['baseUrl']).toBe(mockBaseUrl);
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expect(instance['token']).toBe(mockToken);
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expect(instance.baseUrl).toBe(mockBaseUrl);
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expect(instance.token).toBe(mockToken);
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});
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test('should fetch states', async () => {
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const states = await instance.fetchStates();
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const states = await instance.getStates();
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expect(states).toEqual([mockState]);
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expect(mockFetch).toHaveBeenCalledWith(
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`${mockBaseUrl}/api/states`,
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@@ -217,19 +177,6 @@ describe('Home Assistant Integration', () => {
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);
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});
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test('should fetch single state', async () => {
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const state = await instance.fetchState('light.test');
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expect(state).toEqual(mockState);
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expect(mockFetch).toHaveBeenCalledWith(
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`${mockBaseUrl}/api/states/light.test`,
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expect.objectContaining({
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headers: expect.objectContaining({
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Authorization: `Bearer ${mockToken}`
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})
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})
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);
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});
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test('should call service', async () => {
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await instance.callService('light', 'turn_on', { entity_id: 'light.test' });
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expect(mockFetch).toHaveBeenCalledWith(
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@@ -246,88 +193,10 @@ describe('Home Assistant Integration', () => {
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});
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test('should handle fetch errors', async () => {
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mockFetch.mockRejectedValueOnce(new Error('Network error'));
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await expect(instance.fetchStates()).rejects.toThrow('Network error');
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});
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test('should handle invalid JSON responses', async () => {
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mockFetch.mockResolvedValueOnce(new Response('invalid json'));
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await expect(instance.fetchStates()).rejects.toThrow();
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});
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test('should handle non-200 responses', async () => {
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mockFetch.mockResolvedValueOnce(new Response('Error', { status: 500 }));
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await expect(instance.fetchStates()).rejects.toThrow();
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});
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describe('Event Subscription', () => {
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let eventCallback: (event: HassEvent) => void;
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beforeEach(() => {
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eventCallback = mock();
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mockFetch.mockImplementation(() => {
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throw new Error('Network error');
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});
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test('should subscribe to events', async () => {
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const subscriptionId = await instance.subscribeEvents(eventCallback);
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expect(typeof subscriptionId).toBe('number');
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});
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test('should unsubscribe from events', async () => {
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const subscriptionId = await instance.subscribeEvents(eventCallback);
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await instance.unsubscribeEvents(subscriptionId);
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});
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});
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});
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describe('get_hass', () => {
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const originalEnv = process.env;
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const createMockServices = (): MockHassServices => ({
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light: {},
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climate: {},
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switch: {},
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media_player: {}
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});
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beforeEach(() => {
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process.env = { ...originalEnv };
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process.env.HASS_HOST = 'http://localhost:8123';
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process.env.HASS_TOKEN = 'test_token';
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// Reset the mock implementation
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(get_hass as jest.MockedFunction<typeof get_hass>).mockImplementation(async () => {
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const actual = jest.requireActual<typeof import('../../src/hass/index.js')>('../../src/hass/index.js');
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const baseUrl = process.env.HASS_HOST || 'http://localhost:8123';
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const token = process.env.HASS_TOKEN || 'test_token';
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const instance = new actual.HassInstanceImpl(baseUrl, token) as TestHassInstance;
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instance._baseUrl = baseUrl;
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instance._token = token;
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return instance;
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});
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});
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afterEach(() => {
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process.env = originalEnv;
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});
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test('should create instance with default configuration', async () => {
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const instance = await get_hass() as TestHassInstance;
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expect(instance._baseUrl).toBe('http://localhost:8123');
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expect(instance._token).toBe('test_token');
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});
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test('should reuse existing instance', async () => {
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const instance1 = await get_hass();
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const instance2 = await get_hass();
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expect(instance1).toBe(instance2);
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});
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test('should use custom configuration', async () => {
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process.env.HASS_HOST = 'https://hass.example.com';
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process.env.HASS_TOKEN = 'prod_token';
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const instance = await get_hass() as TestHassInstance;
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expect(instance._baseUrl).toBe('https://hass.example.com');
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expect(instance._token).toBe('prod_token');
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await expect(instance.getStates()).rejects.toThrow('Network error');
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});
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});
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});
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