gemini-cli/packages/cli/src/ui/commands/mcpCommand.test.ts

1057 lines
34 KiB
TypeScript

/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { vi, describe, it, expect, beforeEach } from 'vitest';
import { mcpCommand } from './mcpCommand.js';
import { createMockCommandContext } from '../../test-utils/mockCommandContext.js';
import {
MCPServerStatus,
MCPDiscoveryState,
getMCPServerStatus,
getMCPDiscoveryState,
DiscoveredMCPTool,
} from '@google/gemini-cli-core';
import { MessageActionReturn } from './types.js';
import { Type, CallableTool } from '@google/genai';
vi.mock('@google/gemini-cli-core', async (importOriginal) => {
const actual =
await importOriginal<typeof import('@google/gemini-cli-core')>();
return {
...actual,
getMCPServerStatus: vi.fn(),
getMCPDiscoveryState: vi.fn(),
MCPOAuthProvider: {
authenticate: vi.fn(),
},
MCPOAuthTokenStorage: {
getToken: vi.fn(),
isTokenExpired: vi.fn(),
},
};
});
// Helper function to check if result is a message action
const isMessageAction = (result: unknown): result is MessageActionReturn =>
result !== null &&
typeof result === 'object' &&
'type' in result &&
result.type === 'message';
// Helper function to create a mock DiscoveredMCPTool
const createMockMCPTool = (
name: string,
serverName: string,
description?: string,
) =>
new DiscoveredMCPTool(
{
callTool: vi.fn(),
tool: vi.fn(),
} as unknown as CallableTool,
serverName,
name,
description || `Description for ${name}`,
{ type: Type.OBJECT, properties: {} },
name, // serverToolName same as name for simplicity
);
describe('mcpCommand', () => {
let mockContext: ReturnType<typeof createMockCommandContext>;
let mockConfig: {
getToolRegistry: ReturnType<typeof vi.fn>;
getMcpServers: ReturnType<typeof vi.fn>;
getBlockedMcpServers: ReturnType<typeof vi.fn>;
getPromptRegistry: ReturnType<typeof vi.fn>;
};
beforeEach(() => {
vi.clearAllMocks();
// Set up default mock environment
vi.unstubAllEnvs();
// Default mock implementations
vi.mocked(getMCPServerStatus).mockReturnValue(MCPServerStatus.CONNECTED);
vi.mocked(getMCPDiscoveryState).mockReturnValue(
MCPDiscoveryState.COMPLETED,
);
// Create mock config with all necessary methods
mockConfig = {
getToolRegistry: vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue([]),
}),
getMcpServers: vi.fn().mockReturnValue({}),
getBlockedMcpServers: vi.fn().mockReturnValue([]),
getPromptRegistry: vi.fn().mockResolvedValue({
getAllPrompts: vi.fn().mockReturnValue([]),
getPromptsByServer: vi.fn().mockReturnValue([]),
}),
};
mockContext = createMockCommandContext({
services: {
config: mockConfig,
},
});
});
describe('basic functionality', () => {
it('should show an error if config is not available', async () => {
const contextWithoutConfig = createMockCommandContext({
services: {
config: null,
},
});
const result = await mcpCommand.action!(contextWithoutConfig, '');
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: 'Config not loaded.',
});
});
it('should show an error if tool registry is not available', async () => {
mockConfig.getToolRegistry = vi.fn().mockResolvedValue(undefined);
const result = await mcpCommand.action!(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: 'Could not retrieve tool registry.',
});
});
});
describe('no MCP servers configured', () => {
beforeEach(() => {
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue([]),
});
mockConfig.getMcpServers = vi.fn().mockReturnValue({});
});
it('should display a message with a URL when no MCP servers are configured', async () => {
const result = await mcpCommand.action!(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content:
'No MCP servers configured. Please view MCP documentation in your browser: https://goo.gle/gemini-cli-docs-mcp or use the cli /docs command',
});
});
});
describe('with configured MCP servers', () => {
beforeEach(() => {
const mockMcpServers = {
server1: { command: 'cmd1' },
server2: { command: 'cmd2' },
server3: { command: 'cmd3' },
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
});
it('should display configured MCP servers with status indicators and their tools', async () => {
// Setup getMCPServerStatus mock implementation
vi.mocked(getMCPServerStatus).mockImplementation((serverName) => {
if (serverName === 'server1') return MCPServerStatus.CONNECTED;
if (serverName === 'server2') return MCPServerStatus.CONNECTED;
return MCPServerStatus.DISCONNECTED; // server3
});
// Mock tools from each server using actual DiscoveredMCPTool instances
const mockServer1Tools = [
createMockMCPTool('server1_tool1', 'server1'),
createMockMCPTool('server1_tool2', 'server1'),
];
const mockServer2Tools = [createMockMCPTool('server2_tool1', 'server2')];
const mockServer3Tools = [createMockMCPTool('server3_tool1', 'server3')];
const allTools = [
...mockServer1Tools,
...mockServer2Tools,
...mockServer3Tools,
];
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue(allTools),
});
const result = await mcpCommand.action!(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Configured MCP servers:'),
});
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
// Server 1 - Connected
expect(message).toContain(
'🟢 \u001b[1mserver1\u001b[0m - Ready (2 tools)',
);
expect(message).toContain('server1_tool1');
expect(message).toContain('server1_tool2');
// Server 2 - Connected
expect(message).toContain(
'🟢 \u001b[1mserver2\u001b[0m - Ready (1 tool)',
);
expect(message).toContain('server2_tool1');
// Server 3 - Disconnected but with cached tools, so shows as Ready
expect(message).toContain(
'🟢 \u001b[1mserver3\u001b[0m - Ready (1 tool)',
);
expect(message).toContain('server3_tool1');
// Check that helpful tips are displayed when no arguments are provided
expect(message).toContain('💡 Tips:');
expect(message).toContain('/mcp desc');
expect(message).toContain('/mcp schema');
expect(message).toContain('/mcp nodesc');
expect(message).toContain('Ctrl+T');
}
});
it('should display tool descriptions when desc argument is used', async () => {
const mockMcpServers = {
server1: {
command: 'cmd1',
description: 'This is a server description',
},
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
// Mock tools with descriptions using actual DiscoveredMCPTool instances
const mockServerTools = [
createMockMCPTool('tool1', 'server1', 'This is tool 1 description'),
createMockMCPTool('tool2', 'server1', 'This is tool 2 description'),
];
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue(mockServerTools),
});
const result = await mcpCommand.action!(mockContext, 'desc');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Configured MCP servers:'),
});
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
// Check that server description is included
expect(message).toContain(
'\u001b[1mserver1\u001b[0m - Ready (2 tools)',
);
expect(message).toContain(
'\u001b[32mThis is a server description\u001b[0m',
);
// Check that tool descriptions are included
expect(message).toContain('\u001b[36mtool1\u001b[0m');
expect(message).toContain(
'\u001b[32mThis is tool 1 description\u001b[0m',
);
expect(message).toContain('\u001b[36mtool2\u001b[0m');
expect(message).toContain(
'\u001b[32mThis is tool 2 description\u001b[0m',
);
// Check that tips are NOT displayed when arguments are provided
expect(message).not.toContain('💡 Tips:');
}
});
it('should not display descriptions when nodesc argument is used', async () => {
const mockMcpServers = {
server1: {
command: 'cmd1',
description: 'This is a server description',
},
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
const mockServerTools = [
createMockMCPTool('tool1', 'server1', 'This is tool 1 description'),
];
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue(mockServerTools),
});
const result = await mcpCommand.action!(mockContext, 'nodesc');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Configured MCP servers:'),
});
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
// Check that descriptions are not included
expect(message).not.toContain('This is a server description');
expect(message).not.toContain('This is tool 1 description');
expect(message).toContain('\u001b[36mtool1\u001b[0m');
// Check that tips are NOT displayed when arguments are provided
expect(message).not.toContain('💡 Tips:');
}
});
it('should indicate when a server has no tools', async () => {
const mockMcpServers = {
server1: { command: 'cmd1' },
server2: { command: 'cmd2' },
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
// Setup server statuses
vi.mocked(getMCPServerStatus).mockImplementation((serverName) => {
if (serverName === 'server1') return MCPServerStatus.CONNECTED;
if (serverName === 'server2') return MCPServerStatus.DISCONNECTED;
return MCPServerStatus.DISCONNECTED;
});
// Mock tools - only server1 has tools
const mockServerTools = [createMockMCPTool('server1_tool1', 'server1')];
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue(mockServerTools),
});
const result = await mcpCommand.action!(mockContext, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain(
'🟢 \u001b[1mserver1\u001b[0m - Ready (1 tool)',
);
expect(message).toContain('\u001b[36mserver1_tool1\u001b[0m');
expect(message).toContain(
'🔴 \u001b[1mserver2\u001b[0m - Disconnected (0 tools cached)',
);
expect(message).toContain('No tools or prompts available');
}
});
it('should show startup indicator when servers are connecting', async () => {
const mockMcpServers = {
server1: { command: 'cmd1' },
server2: { command: 'cmd2' },
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
// Setup server statuses with one connecting
vi.mocked(getMCPServerStatus).mockImplementation((serverName) => {
if (serverName === 'server1') return MCPServerStatus.CONNECTED;
if (serverName === 'server2') return MCPServerStatus.CONNECTING;
return MCPServerStatus.DISCONNECTED;
});
// Setup discovery state as in progress
vi.mocked(getMCPDiscoveryState).mockReturnValue(
MCPDiscoveryState.IN_PROGRESS,
);
// Mock tools
const mockServerTools = [
createMockMCPTool('server1_tool1', 'server1'),
createMockMCPTool('server2_tool1', 'server2'),
];
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue(mockServerTools),
});
const result = await mcpCommand.action!(mockContext, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
// Check that startup indicator is shown
expect(message).toContain(
'⏳ MCP servers are starting up (1 initializing)...',
);
expect(message).toContain(
'Note: First startup may take longer. Tool availability will update automatically.',
);
// Check server statuses
expect(message).toContain(
'🟢 \u001b[1mserver1\u001b[0m - Ready (1 tool)',
);
expect(message).toContain(
'🔄 \u001b[1mserver2\u001b[0m - Starting... (first startup may take longer) (tools and prompts will appear when ready)',
);
}
});
it('should display the extension name for servers from extensions', async () => {
const mockMcpServers = {
server1: { command: 'cmd1', extensionName: 'my-extension' },
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
const result = await mcpCommand.action!(mockContext, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('server1 (from my-extension)');
}
});
it('should display blocked MCP servers', async () => {
mockConfig.getMcpServers = vi.fn().mockReturnValue({});
const blockedServers = [
{ name: 'blocked-server', extensionName: 'my-extension' },
];
mockConfig.getBlockedMcpServers = vi.fn().mockReturnValue(blockedServers);
const result = await mcpCommand.action!(mockContext, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain(
'🔴 \u001b[1mblocked-server (from my-extension)\u001b[0m - Blocked',
);
}
});
it('should display both active and blocked servers correctly', async () => {
const mockMcpServers = {
server1: { command: 'cmd1', extensionName: 'my-extension' },
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
const blockedServers = [
{ name: 'blocked-server', extensionName: 'another-extension' },
];
mockConfig.getBlockedMcpServers = vi.fn().mockReturnValue(blockedServers);
const result = await mcpCommand.action!(mockContext, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('server1 (from my-extension)');
expect(message).toContain(
'🔴 \u001b[1mblocked-server (from another-extension)\u001b[0m - Blocked',
);
}
});
});
describe('schema functionality', () => {
it('should display tool schemas when schema argument is used', async () => {
const mockMcpServers = {
server1: {
command: 'cmd1',
description: 'This is a server description',
},
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
// Create tools with parameter schemas
const mockCallableTool1: CallableTool = {
callTool: vi.fn(),
tool: vi.fn(),
} as unknown as CallableTool;
const mockCallableTool2: CallableTool = {
callTool: vi.fn(),
tool: vi.fn(),
} as unknown as CallableTool;
const tool1 = new DiscoveredMCPTool(
mockCallableTool1,
'server1',
'tool1',
'This is tool 1 description',
{
type: Type.OBJECT,
properties: {
param1: { type: Type.STRING, description: 'First parameter' },
},
required: ['param1'],
},
'tool1',
);
const tool2 = new DiscoveredMCPTool(
mockCallableTool2,
'server1',
'tool2',
'This is tool 2 description',
{
type: Type.OBJECT,
properties: {
param2: { type: Type.NUMBER, description: 'Second parameter' },
},
required: ['param2'],
},
'tool2',
);
const mockServerTools = [tool1, tool2];
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue(mockServerTools),
});
const result = await mcpCommand.action!(mockContext, 'schema');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Configured MCP servers:'),
});
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
// Check that server description is included
expect(message).toContain('Ready (2 tools)');
expect(message).toContain('This is a server description');
// Check that tool descriptions and schemas are included
expect(message).toContain('This is tool 1 description');
expect(message).toContain('Parameters:');
expect(message).toContain('param1');
expect(message).toContain('STRING');
expect(message).toContain('This is tool 2 description');
expect(message).toContain('param2');
expect(message).toContain('NUMBER');
}
});
it('should handle tools without parameter schemas gracefully', async () => {
const mockMcpServers = {
server1: { command: 'cmd1' },
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
// Mock tools without parameter schemas
const mockServerTools = [
createMockMCPTool('tool1', 'server1', 'Tool without schema'),
];
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue(mockServerTools),
});
const result = await mcpCommand.action!(mockContext, 'schema');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Configured MCP servers:'),
});
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('tool1');
expect(message).toContain('Tool without schema');
// Should not crash when parameterSchema is undefined
}
});
});
describe('argument parsing', () => {
beforeEach(() => {
const mockMcpServers = {
server1: {
command: 'cmd1',
description: 'Server description',
},
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
const mockServerTools = [
createMockMCPTool('tool1', 'server1', 'Test tool'),
];
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue(mockServerTools),
});
});
it('should handle "descriptions" as alias for "desc"', async () => {
const result = await mcpCommand.action!(mockContext, 'descriptions');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('Test tool');
expect(message).toContain('Server description');
}
});
it('should handle "nodescriptions" as alias for "nodesc"', async () => {
const result = await mcpCommand.action!(mockContext, 'nodescriptions');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).not.toContain('Test tool');
expect(message).not.toContain('Server description');
expect(message).toContain('\u001b[36mtool1\u001b[0m');
}
});
it('should handle mixed case arguments', async () => {
const result = await mcpCommand.action!(mockContext, 'DESC');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('Test tool');
expect(message).toContain('Server description');
}
});
it('should handle multiple arguments - "schema desc"', async () => {
const result = await mcpCommand.action!(mockContext, 'schema desc');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('Test tool');
expect(message).toContain('Server description');
expect(message).toContain('Parameters:');
}
});
it('should handle multiple arguments - "desc schema"', async () => {
const result = await mcpCommand.action!(mockContext, 'desc schema');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('Test tool');
expect(message).toContain('Server description');
expect(message).toContain('Parameters:');
}
});
it('should handle "schema" alone showing descriptions', async () => {
const result = await mcpCommand.action!(mockContext, 'schema');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('Test tool');
expect(message).toContain('Server description');
expect(message).toContain('Parameters:');
}
});
it('should handle "nodesc" overriding "schema" - "schema nodesc"', async () => {
const result = await mcpCommand.action!(mockContext, 'schema nodesc');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).not.toContain('Test tool');
expect(message).not.toContain('Server description');
expect(message).toContain('Parameters:'); // Schema should still show
expect(message).toContain('\u001b[36mtool1\u001b[0m');
}
});
it('should handle "nodesc" overriding "desc" - "desc nodesc"', async () => {
const result = await mcpCommand.action!(mockContext, 'desc nodesc');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).not.toContain('Test tool');
expect(message).not.toContain('Server description');
expect(message).not.toContain('Parameters:');
expect(message).toContain('\u001b[36mtool1\u001b[0m');
}
});
it('should handle "nodesc" overriding both "desc" and "schema" - "desc schema nodesc"', async () => {
const result = await mcpCommand.action!(
mockContext,
'desc schema nodesc',
);
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).not.toContain('Test tool');
expect(message).not.toContain('Server description');
expect(message).toContain('Parameters:'); // Schema should still show
expect(message).toContain('\u001b[36mtool1\u001b[0m');
}
});
it('should handle extra whitespace in arguments', async () => {
const result = await mcpCommand.action!(mockContext, ' desc schema ');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('Test tool');
expect(message).toContain('Server description');
expect(message).toContain('Parameters:');
}
});
it('should handle empty arguments gracefully', async () => {
const result = await mcpCommand.action!(mockContext, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).not.toContain('Test tool');
expect(message).not.toContain('Server description');
expect(message).not.toContain('Parameters:');
expect(message).toContain('\u001b[36mtool1\u001b[0m');
}
});
it('should handle unknown arguments gracefully', async () => {
const result = await mcpCommand.action!(mockContext, 'unknown arg');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).not.toContain('Test tool');
expect(message).not.toContain('Server description');
expect(message).not.toContain('Parameters:');
expect(message).toContain('\u001b[36mtool1\u001b[0m');
}
});
});
describe('edge cases', () => {
it('should handle empty server names gracefully', async () => {
const mockMcpServers = {
'': { command: 'cmd1' }, // Empty server name
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue([]),
});
const result = await mcpCommand.action!(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Configured MCP servers:'),
});
});
it('should handle servers with special characters in names', async () => {
const mockMcpServers = {
'server-with-dashes': { command: 'cmd1' },
server_with_underscores: { command: 'cmd2' },
'server.with.dots': { command: 'cmd3' },
};
mockConfig.getMcpServers = vi.fn().mockReturnValue(mockMcpServers);
mockConfig.getToolRegistry = vi.fn().mockResolvedValue({
getAllTools: vi.fn().mockReturnValue([]),
});
const result = await mcpCommand.action!(mockContext, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
const message = result.content;
expect(message).toContain('server-with-dashes');
expect(message).toContain('server_with_underscores');
expect(message).toContain('server.with.dots');
}
});
});
describe('auth subcommand', () => {
beforeEach(() => {
vi.clearAllMocks();
});
it('should list OAuth-enabled servers when no server name is provided', async () => {
const context = createMockCommandContext({
services: {
config: {
getMcpServers: vi.fn().mockReturnValue({
'oauth-server': { oauth: { enabled: true } },
'regular-server': {},
'another-oauth': { oauth: { enabled: true } },
}),
},
},
});
const authCommand = mcpCommand.subCommands?.find(
(cmd) => cmd.name === 'auth',
);
expect(authCommand).toBeDefined();
const result = await authCommand!.action!(context, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
expect(result.messageType).toBe('info');
expect(result.content).toContain('oauth-server');
expect(result.content).toContain('another-oauth');
expect(result.content).not.toContain('regular-server');
expect(result.content).toContain('/mcp auth <server-name>');
}
});
it('should show message when no OAuth servers are configured', async () => {
const context = createMockCommandContext({
services: {
config: {
getMcpServers: vi.fn().mockReturnValue({
'regular-server': {},
}),
},
},
});
const authCommand = mcpCommand.subCommands?.find(
(cmd) => cmd.name === 'auth',
);
const result = await authCommand!.action!(context, '');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
expect(result.messageType).toBe('info');
expect(result.content).toBe(
'No MCP servers configured with OAuth authentication.',
);
}
});
it('should authenticate with a specific server', async () => {
const mockToolRegistry = {
discoverToolsForServer: vi.fn(),
};
const mockGeminiClient = {
setTools: vi.fn(),
};
const context = createMockCommandContext({
services: {
config: {
getMcpServers: vi.fn().mockReturnValue({
'test-server': {
url: 'http://localhost:3000',
oauth: { enabled: true },
},
}),
getToolRegistry: vi.fn().mockResolvedValue(mockToolRegistry),
getGeminiClient: vi.fn().mockReturnValue(mockGeminiClient),
getPromptRegistry: vi.fn().mockResolvedValue({
removePromptsByServer: vi.fn(),
}),
},
},
});
// Mock the reloadCommands function
context.ui.reloadCommands = vi.fn();
const { MCPOAuthProvider } = await import('@google/gemini-cli-core');
const authCommand = mcpCommand.subCommands?.find(
(cmd) => cmd.name === 'auth',
);
const result = await authCommand!.action!(context, 'test-server');
expect(MCPOAuthProvider.authenticate).toHaveBeenCalledWith(
'test-server',
{ enabled: true },
'http://localhost:3000',
);
expect(mockToolRegistry.discoverToolsForServer).toHaveBeenCalledWith(
'test-server',
);
expect(mockGeminiClient.setTools).toHaveBeenCalled();
expect(context.ui.reloadCommands).toHaveBeenCalledTimes(1);
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
expect(result.messageType).toBe('info');
expect(result.content).toContain('Successfully authenticated');
}
});
it('should handle authentication errors', async () => {
const context = createMockCommandContext({
services: {
config: {
getMcpServers: vi.fn().mockReturnValue({
'test-server': { oauth: { enabled: true } },
}),
},
},
});
const { MCPOAuthProvider } = await import('@google/gemini-cli-core');
(
MCPOAuthProvider.authenticate as ReturnType<typeof vi.fn>
).mockRejectedValue(new Error('Auth failed'));
const authCommand = mcpCommand.subCommands?.find(
(cmd) => cmd.name === 'auth',
);
const result = await authCommand!.action!(context, 'test-server');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
expect(result.messageType).toBe('error');
expect(result.content).toContain('Failed to authenticate');
expect(result.content).toContain('Auth failed');
}
});
it('should handle non-existent server', async () => {
const context = createMockCommandContext({
services: {
config: {
getMcpServers: vi.fn().mockReturnValue({
'existing-server': {},
}),
},
},
});
const authCommand = mcpCommand.subCommands?.find(
(cmd) => cmd.name === 'auth',
);
const result = await authCommand!.action!(context, 'non-existent');
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
expect(result.messageType).toBe('error');
expect(result.content).toContain("MCP server 'non-existent' not found");
}
});
});
describe('refresh subcommand', () => {
it('should refresh the list of tools and display the status', async () => {
const mockToolRegistry = {
discoverMcpTools: vi.fn(),
getAllTools: vi.fn().mockReturnValue([]),
};
const mockGeminiClient = {
setTools: vi.fn(),
};
const context = createMockCommandContext({
services: {
config: {
getMcpServers: vi.fn().mockReturnValue({ server1: {} }),
getBlockedMcpServers: vi.fn().mockReturnValue([]),
getToolRegistry: vi.fn().mockResolvedValue(mockToolRegistry),
getGeminiClient: vi.fn().mockReturnValue(mockGeminiClient),
getPromptRegistry: vi.fn().mockResolvedValue({
getPromptsByServer: vi.fn().mockReturnValue([]),
}),
},
},
});
// Mock the reloadCommands function, which is new logic.
context.ui.reloadCommands = vi.fn();
const refreshCommand = mcpCommand.subCommands?.find(
(cmd) => cmd.name === 'refresh',
);
expect(refreshCommand).toBeDefined();
const result = await refreshCommand!.action!(context, '');
expect(context.ui.addItem).toHaveBeenCalledWith(
{
type: 'info',
text: 'Refreshing MCP servers and tools...',
},
expect.any(Number),
);
expect(mockToolRegistry.discoverMcpTools).toHaveBeenCalled();
expect(mockGeminiClient.setTools).toHaveBeenCalled();
expect(context.ui.reloadCommands).toHaveBeenCalledTimes(1);
expect(isMessageAction(result)).toBe(true);
if (isMessageAction(result)) {
expect(result.messageType).toBe('info');
expect(result.content).toContain('Configured MCP servers:');
}
});
it('should show an error if config is not available', async () => {
const contextWithoutConfig = createMockCommandContext({
services: {
config: null,
},
});
const refreshCommand = mcpCommand.subCommands?.find(
(cmd) => cmd.name === 'refresh',
);
const result = await refreshCommand!.action!(contextWithoutConfig, '');
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: 'Config not loaded.',
});
});
it('should show an error if tool registry is not available', async () => {
mockConfig.getToolRegistry = vi.fn().mockResolvedValue(undefined);
const refreshCommand = mcpCommand.subCommands?.find(
(cmd) => cmd.name === 'refresh',
);
const result = await refreshCommand!.action!(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: 'Could not retrieve tool registry.',
});
});
});
});