File size: 7,007 Bytes
f0743f4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 | import { logger } from '@librechat/data-schemas';
import { ConnectionsRepository } from '../ConnectionsRepository';
import { MCPConnectionFactory } from '../MCPConnectionFactory';
import { MCPConnection } from '../connection';
import type * as t from '../types';
// Mock external dependencies
jest.mock('@librechat/data-schemas', () => ({
logger: {
error: jest.fn(),
},
}));
jest.mock('../MCPConnectionFactory', () => ({
MCPConnectionFactory: {
create: jest.fn(),
},
}));
jest.mock('../connection');
const mockLogger = logger as jest.Mocked<typeof logger>;
describe('ConnectionsRepository', () => {
let repository: ConnectionsRepository;
let mockServerConfigs: t.MCPServers;
let mockConnection: jest.Mocked<MCPConnection>;
beforeEach(() => {
mockServerConfigs = {
server1: { url: 'http://localhost:3001' },
server2: { command: 'test-command', args: ['--test'] },
server3: { url: 'ws://localhost:8080', type: 'websocket' },
};
mockConnection = {
isConnected: jest.fn().mockResolvedValue(true),
disconnect: jest.fn().mockResolvedValue(undefined),
} as unknown as jest.Mocked<MCPConnection>;
(MCPConnectionFactory.create as jest.Mock).mockResolvedValue(mockConnection);
repository = new ConnectionsRepository(mockServerConfigs);
jest.clearAllMocks();
});
afterEach(() => {
jest.clearAllMocks();
});
describe('has', () => {
it('should return true for existing server', () => {
expect(repository.has('server1')).toBe(true);
});
it('should return false for non-existing server', () => {
expect(repository.has('nonexistent')).toBe(false);
});
});
describe('get', () => {
it('should return existing connected connection', async () => {
mockConnection.isConnected.mockResolvedValue(true);
repository['connections'].set('server1', mockConnection);
const result = await repository.get('server1');
expect(result).toBe(mockConnection);
expect(MCPConnectionFactory.create).not.toHaveBeenCalled();
});
it('should create new connection if none exists', async () => {
const result = await repository.get('server1');
expect(result).toBe(mockConnection);
expect(MCPConnectionFactory.create).toHaveBeenCalledWith(
{
serverName: 'server1',
serverConfig: mockServerConfigs.server1,
},
undefined,
);
expect(repository['connections'].get('server1')).toBe(mockConnection);
});
it('should create new connection if existing connection is not connected', async () => {
const oldConnection = {
isConnected: jest.fn().mockResolvedValue(false),
disconnect: jest.fn().mockResolvedValue(undefined),
} as unknown as jest.Mocked<MCPConnection>;
repository['connections'].set('server1', oldConnection);
const result = await repository.get('server1');
expect(result).toBe(mockConnection);
expect(oldConnection.disconnect).toHaveBeenCalled();
expect(MCPConnectionFactory.create).toHaveBeenCalledWith(
{
serverName: 'server1',
serverConfig: mockServerConfigs.server1,
},
undefined,
);
});
it('should throw error for non-existent server configuration', async () => {
await expect(repository.get('nonexistent')).rejects.toThrow(
'[MCP][nonexistent] Server not found in configuration',
);
});
it('should handle MCPConnectionFactory.create errors', async () => {
const createError = new Error('Connection creation failed');
(MCPConnectionFactory.create as jest.Mock).mockRejectedValue(createError);
await expect(repository.get('server1')).rejects.toThrow('Connection creation failed');
});
});
describe('getMany', () => {
it('should return connections for multiple servers', async () => {
const result = await repository.getMany(['server1', 'server3']);
expect(result).toBeInstanceOf(Map);
expect(result.size).toBe(2);
expect(result.get('server1')).toBe(mockConnection);
expect(result.get('server3')).toBe(mockConnection);
});
});
describe('getLoaded', () => {
it('should return connections for loaded servers only', async () => {
// Load one connection
await repository.get('server1');
const result = await repository.getLoaded();
expect(result).toBeInstanceOf(Map);
expect(result.size).toBe(1);
expect(result.get('server1')).toBe(mockConnection);
});
it('should return empty map when no connections are loaded', async () => {
const result = await repository.getLoaded();
expect(result).toBeInstanceOf(Map);
expect(result.size).toBe(0);
});
});
describe('getAll', () => {
it('should return connections for all configured servers', async () => {
const result = await repository.getAll();
expect(result).toBeInstanceOf(Map);
expect(result.size).toBe(3);
expect(result.get('server1')).toBe(mockConnection);
expect(result.get('server2')).toBe(mockConnection);
expect(result.get('server3')).toBe(mockConnection);
});
});
describe('disconnect', () => {
it('should disconnect and remove existing connection', async () => {
repository['connections'].set('server1', mockConnection);
await repository.disconnect('server1');
expect(mockConnection.disconnect).toHaveBeenCalled();
expect(repository['connections'].has('server1')).toBe(false);
});
it('should handle disconnect error gracefully', async () => {
const disconnectError = new Error('Disconnect failed');
mockConnection.disconnect.mockRejectedValue(disconnectError);
repository['connections'].set('server1', mockConnection);
await repository.disconnect('server1');
expect(mockConnection.disconnect).toHaveBeenCalled();
expect(repository['connections'].has('server1')).toBe(false);
expect(mockLogger.error).toHaveBeenCalledWith(
'[MCP][server1] Error disconnecting',
disconnectError,
);
});
});
describe('disconnectAll', () => {
it('should disconnect all active connections', () => {
const mockConnection1 = {
disconnect: jest.fn().mockResolvedValue(undefined),
} as unknown as jest.Mocked<MCPConnection>;
const mockConnection2 = {
disconnect: jest.fn().mockResolvedValue(undefined),
} as unknown as jest.Mocked<MCPConnection>;
const mockConnection3 = {
disconnect: jest.fn().mockResolvedValue(undefined),
} as unknown as jest.Mocked<MCPConnection>;
repository['connections'].set('server1', mockConnection1);
repository['connections'].set('server2', mockConnection2);
repository['connections'].set('server3', mockConnection3);
const promises = repository.disconnectAll();
expect(promises).toHaveLength(3);
expect(Array.isArray(promises)).toBe(true);
});
});
});
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