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* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { vi, describe, it, expect, beforeEach, afterEach } from 'vitest';
import * as fs from 'node:fs/promises';
import * as path from 'node:path';
import * as os from 'node:os';
import { FolderTrustDiscoveryService } from './FolderTrustDiscoveryService.js';
import { GEMINI_DIR } from '../utils/paths.js';
describe('FolderTrustDiscoveryService', () => {
let tempDir: string;
beforeEach(async () => {
tempDir = await fs.mkdtemp(
path.join(os.tmpdir(), 'gemini-discovery-test-'),
);
});
afterEach(async () => {
vi.restoreAllMocks();
await fs.rm(tempDir, { recursive: true, force: true });
});
it('should discover commands, skills, mcps, and hooks', async () => {
const geminiDir = path.join(tempDir, GEMINI_DIR);
await fs.mkdir(geminiDir, { recursive: true });
// Mock commands
const commandsDir = path.join(geminiDir, 'commands');
await fs.mkdir(commandsDir);
await fs.writeFile(
path.join(commandsDir, 'test-cmd.toml'),
'prompt = "test"',
);
// Mock skills
const skillsDir = path.join(geminiDir, 'skills');
await fs.mkdir(path.join(skillsDir, 'test-skill'), { recursive: true });
await fs.writeFile(path.join(skillsDir, 'test-skill', 'SKILL.md'), 'body');
// Mock agents
const agentsDir = path.join(geminiDir, 'agents');
await fs.mkdir(agentsDir);
await fs.writeFile(path.join(agentsDir, 'test-agent.md'), 'body');
// Mock settings (MCPs, Hooks, and general settings)
const settings = {
mcpServers: {
'test-mcp': { command: 'node', args: ['test.js'] },
},
hooks: {
BeforeTool: [{ command: 'test-hook' }],
},
general: { vimMode: true },
ui: { theme: 'Dark' },
};
await fs.writeFile(
path.join(geminiDir, 'settings.json'),
JSON.stringify(settings),
);
const results = await FolderTrustDiscoveryService.discover(tempDir);
expect(results.commands).toContain('test-cmd');
expect(results.skills).toContain('test-skill');
expect(results.agents).toContain('test-agent');
expect(results.mcps).toContain('test-mcp');
expect(results.hooks).toContain('test-hook');
expect(results.settings).toContain('general');
expect(results.settings).toContain('ui');
expect(results.settings).not.toContain('mcpServers');
expect(results.settings).not.toContain('hooks');
});
it('should flag security warnings for sensitive settings', async () => {
const geminiDir = path.join(tempDir, GEMINI_DIR);
await fs.mkdir(geminiDir, { recursive: true });
const settings = {
tools: {
allowed: ['git'],
sandbox: false,
},
security: {
folderTrust: {
enabled: false,
},
},
};
await fs.writeFile(
path.join(geminiDir, 'settings.json'),
JSON.stringify(settings),
);
const results = await FolderTrustDiscoveryService.discover(tempDir);
expect(results.securityWarnings).toContain(
'This project auto-approves certain tools (tools.allowed).',
);
expect(results.securityWarnings).toContain(
'This project attempts to disable folder trust (security.folderTrust.enabled).',
);
expect(results.securityWarnings).toContain(
'This project disables the security sandbox (tools.sandbox).',
);
});
it('should handle missing .gemini directory', async () => {
const results = await FolderTrustDiscoveryService.discover(tempDir);
expect(results.commands).toHaveLength(0);
expect(results.skills).toHaveLength(0);
expect(results.mcps).toHaveLength(0);
expect(results.hooks).toHaveLength(0);
expect(results.settings).toHaveLength(0);
});
it('should handle malformed settings.json', async () => {
const geminiDir = path.join(tempDir, GEMINI_DIR);
await fs.mkdir(geminiDir, { recursive: true });
await fs.writeFile(path.join(geminiDir, 'settings.json'), 'invalid json');
const results = await FolderTrustDiscoveryService.discover(tempDir);
expect(results.discoveryErrors[0]).toContain(
'Failed to discover settings: Unexpected token',
);
});
it('should handle null settings.json', async () => {
const geminiDir = path.join(tempDir, GEMINI_DIR);
await fs.mkdir(geminiDir, { recursive: true });
await fs.writeFile(path.join(geminiDir, 'settings.json'), 'null');
const results = await FolderTrustDiscoveryService.discover(tempDir);
expect(results.discoveryErrors).toHaveLength(0);
expect(results.settings).toHaveLength(0);
});
it('should handle array settings.json', async () => {
const geminiDir = path.join(tempDir, GEMINI_DIR);
await fs.mkdir(geminiDir, { recursive: true });
await fs.writeFile(path.join(geminiDir, 'settings.json'), '[]');
const results = await FolderTrustDiscoveryService.discover(tempDir);
expect(results.discoveryErrors).toHaveLength(0);
expect(results.settings).toHaveLength(0);
});
it('should handle string settings.json', async () => {
const geminiDir = path.join(tempDir, GEMINI_DIR);
await fs.mkdir(geminiDir, { recursive: true });
await fs.writeFile(path.join(geminiDir, 'settings.json'), '"string"');
const results = await FolderTrustDiscoveryService.discover(tempDir);
expect(results.discoveryErrors).toHaveLength(0);
expect(results.settings).toHaveLength(0);
});
it('should flag security warning for custom agents', async () => {
const geminiDir = path.join(tempDir, GEMINI_DIR);
await fs.mkdir(geminiDir, { recursive: true });
const agentsDir = path.join(geminiDir, 'agents');
await fs.mkdir(agentsDir);
await fs.writeFile(path.join(agentsDir, 'test-agent.md'), 'body');
const results = await FolderTrustDiscoveryService.discover(tempDir);
expect(results.agents).toContain('test-agent');
expect(results.securityWarnings).toContain(
'This project contains custom agents.',
);
});
});
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