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* @license
* Copyright 2026 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect, vi, beforeEach } from 'vitest';
import {
getProactiveToolSuggestions,
isNetworkReliantCommand,
} from './proactivePermissions.js';
import os from 'node:os';
import path from 'node:path';
import fs from 'node:fs';
vi.mock('node:os');
vi.mock('node:fs', () => ({
default: {
promises: {
access: vi.fn(),
},
constants: {
F_OK: 0,
},
},
promises: {
access: vi.fn(),
},
constants: {
F_OK: 0,
},
}));
describe('proactivePermissions', () => {
const homeDir = '/Users/testuser';
beforeEach(() => {
vi.clearAllMocks();
vi.mocked(os.homedir).mockReturnValue(homeDir);
vi.mocked(os.platform).mockReturnValue('darwin');
});
describe('isNetworkReliantCommand', () => {
it('should return true for always-network tools', () => {
expect(isNetworkReliantCommand('ssh')).toBe(true);
expect(isNetworkReliantCommand('git')).toBe(true);
expect(isNetworkReliantCommand('curl')).toBe(true);
});
it('should return true for network-heavy node subcommands', () => {
expect(isNetworkReliantCommand('npm', 'install')).toBe(true);
expect(isNetworkReliantCommand('yarn', 'add')).toBe(true);
expect(isNetworkReliantCommand('bun', '')).toBe(true);
});
it('should return false for local node subcommands', () => {
expect(isNetworkReliantCommand('npm', 'test')).toBe(false);
expect(isNetworkReliantCommand('yarn', 'run')).toBe(false);
});
it('should return false for unknown tools', () => {
expect(isNetworkReliantCommand('ls')).toBe(false);
});
});
describe('getProactiveToolSuggestions', () => {
it('should return undefined for unknown tools', async () => {
expect(await getProactiveToolSuggestions('ls')).toBeUndefined();
expect(await getProactiveToolSuggestions('node')).toBeUndefined();
});
it('should return permissions for npm if paths exist', async () => {
vi.mocked(fs.promises.access).mockImplementation(
(p: fs.PathLike, _mode?: number) => {
const pathStr = p.toString();
if (
pathStr === path.join(homeDir, '.npm') ||
pathStr === path.join(homeDir, '.cache') ||
pathStr === path.join(homeDir, '.npmrc')
) {
return Promise.resolve();
}
return Promise.reject(new Error('ENOENT'));
},
);
const permissions = await getProactiveToolSuggestions('npm');
expect(permissions).toBeDefined();
expect(permissions?.network).toBe(true);
// .npmrc should be read-only
expect(permissions?.fileSystem?.read).toContain(
path.join(homeDir, '.npmrc'),
);
expect(permissions?.fileSystem?.write).not.toContain(
path.join(homeDir, '.npmrc'),
);
// .npm should be read-write
expect(permissions?.fileSystem?.read).toContain(
path.join(homeDir, '.npm'),
);
expect(permissions?.fileSystem?.write).toContain(
path.join(homeDir, '.npm'),
);
// .cache should be read-write
expect(permissions?.fileSystem?.write).toContain(
path.join(homeDir, '.cache'),
);
// should NOT contain .ssh or .gitconfig for npm
expect(permissions?.fileSystem?.read).not.toContain(
path.join(homeDir, '.ssh'),
);
});
it('should grant network access and suggest primary cache paths even if they do not exist', async () => {
vi.mocked(fs.promises.access).mockRejectedValue(new Error('ENOENT'));
const permissions = await getProactiveToolSuggestions('npm');
expect(permissions).toBeDefined();
expect(permissions?.network).toBe(true);
expect(permissions?.fileSystem?.write).toContain(
path.join(homeDir, '.npm'),
);
// .cache is optional and should NOT be included if it doesn't exist
expect(permissions?.fileSystem?.write).not.toContain(
path.join(homeDir, '.cache'),
);
});
it('should suggest .ssh and .gitconfig only for git', async () => {
vi.mocked(fs.promises.access).mockImplementation(
(p: fs.PathLike, _mode?: number) => {
const pathStr = p.toString();
if (
pathStr === path.join(homeDir, '.ssh') ||
pathStr === path.join(homeDir, '.gitconfig')
) {
return Promise.resolve();
}
return Promise.reject(new Error('ENOENT'));
},
);
const permissions = await getProactiveToolSuggestions('git');
expect(permissions?.network).toBe(true);
expect(permissions?.fileSystem?.read).toContain(
path.join(homeDir, '.ssh'),
);
expect(permissions?.fileSystem?.read).toContain(
path.join(homeDir, '.gitconfig'),
);
});
it('should suggest .ssh but NOT .gitconfig for ssh', async () => {
vi.mocked(fs.promises.access).mockImplementation(
(p: fs.PathLike, _mode?: number) => {
const pathStr = p.toString();
if (pathStr === path.join(homeDir, '.ssh')) {
return Promise.resolve();
}
return Promise.reject(new Error('ENOENT'));
},
);
const permissions = await getProactiveToolSuggestions('ssh');
expect(permissions?.network).toBe(true);
expect(permissions?.fileSystem?.read).toContain(
path.join(homeDir, '.ssh'),
);
expect(permissions?.fileSystem?.read).not.toContain(
path.join(homeDir, '.gitconfig'),
);
});
it('should handle Windows specific paths', async () => {
vi.mocked(os.platform).mockReturnValue('win32');
const appData = 'C:\\Users\\testuser\\AppData\\Roaming';
vi.stubEnv('AppData', appData);
vi.mocked(fs.promises.access).mockImplementation(
(p: fs.PathLike, _mode?: number) => {
const pathStr = p.toString();
if (pathStr === path.join(appData, 'npm')) {
return Promise.resolve();
}
return Promise.reject(new Error('ENOENT'));
},
);
const permissions = await getProactiveToolSuggestions('npm.exe');
expect(permissions).toBeDefined();
expect(permissions?.fileSystem?.read).toContain(
path.join(appData, 'npm'),
);
vi.unstubAllEnvs();
});
it('should include bun, pnpm, and yarn specific paths', async () => {
vi.mocked(fs.promises.access).mockResolvedValue(undefined);
const bun = await getProactiveToolSuggestions('bun');
expect(bun?.fileSystem?.read).toContain(path.join(homeDir, '.bun'));
expect(bun?.fileSystem?.read).not.toContain(path.join(homeDir, '.yarn'));
const yarn = await getProactiveToolSuggestions('yarn');
expect(yarn?.fileSystem?.read).toContain(path.join(homeDir, '.yarn'));
});
});
});
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