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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
// Mock 'os' first.
import * as osActual from 'os';
vi.mock('os', async (importOriginal) => {
const actualOs = await importOriginal<typeof osActual>();
return {
...actualOs,
homedir: vi.fn(() => '/mock/home/user'),
platform: vi.fn(() => 'linux'),
};
});
import {
describe,
it,
expect,
vi,
beforeEach,
afterEach,
type Mocked,
type Mock,
} from 'vitest';
import * as fs from 'fs';
import stripJsonComments from 'strip-json-comments';
import * as path from 'path';
import {
loadTrustedFolders,
USER_TRUSTED_FOLDERS_PATH,
TrustLevel,
isWorkspaceTrusted,
} from './trustedFolders.js';
import { Settings } from './settings.js';
vi.mock('fs', async (importOriginal) => {
const actualFs = await importOriginal<typeof fs>();
return {
...actualFs,
existsSync: vi.fn(),
readFileSync: vi.fn(),
writeFileSync: vi.fn(),
mkdirSync: vi.fn(),
};
});
vi.mock('strip-json-comments', () => ({
default: vi.fn((content) => content),
}));
describe('Trusted Folders Loading', () => {
let mockFsExistsSync: Mocked<typeof fs.existsSync>;
let mockStripJsonComments: Mocked<typeof stripJsonComments>;
let mockFsWriteFileSync: Mocked<typeof fs.writeFileSync>;
beforeEach(() => {
vi.resetAllMocks();
mockFsExistsSync = vi.mocked(fs.existsSync);
mockStripJsonComments = vi.mocked(stripJsonComments);
mockFsWriteFileSync = vi.mocked(fs.writeFileSync);
vi.mocked(osActual.homedir).mockReturnValue('/mock/home/user');
(mockStripJsonComments as unknown as Mock).mockImplementation(
(jsonString: string) => jsonString,
);
(mockFsExistsSync as Mock).mockReturnValue(false);
(fs.readFileSync as Mock).mockReturnValue('{}');
});
afterEach(() => {
vi.restoreAllMocks();
});
it('should load empty rules if no files exist', () => {
const { rules, errors } = loadTrustedFolders();
expect(rules).toEqual([]);
expect(errors).toEqual([]);
});
it('should load user rules if only user file exists', () => {
const userPath = USER_TRUSTED_FOLDERS_PATH;
(mockFsExistsSync as Mock).mockImplementation((p) => p === userPath);
const userContent = {
'/user/folder': TrustLevel.TRUST_FOLDER,
};
(fs.readFileSync as Mock).mockImplementation((p) => {
if (p === userPath) return JSON.stringify(userContent);
return '{}';
});
const { rules, errors } = loadTrustedFolders();
expect(rules).toEqual([
{ path: '/user/folder', trustLevel: TrustLevel.TRUST_FOLDER },
]);
expect(errors).toEqual([]);
});
it('should handle JSON parsing errors gracefully', () => {
const userPath = USER_TRUSTED_FOLDERS_PATH;
(mockFsExistsSync as Mock).mockImplementation((p) => p === userPath);
(fs.readFileSync as Mock).mockImplementation((p) => {
if (p === userPath) return 'invalid json';
return '{}';
});
const { rules, errors } = loadTrustedFolders();
expect(rules).toEqual([]);
expect(errors.length).toBe(1);
expect(errors[0].path).toBe(userPath);
expect(errors[0].message).toContain('Unexpected token');
});
it('setValue should update the user config and save it', () => {
const loadedFolders = loadTrustedFolders();
loadedFolders.setValue('/new/path', TrustLevel.TRUST_FOLDER);
expect(loadedFolders.user.config['/new/path']).toBe(
TrustLevel.TRUST_FOLDER,
);
expect(mockFsWriteFileSync).toHaveBeenCalledWith(
USER_TRUSTED_FOLDERS_PATH,
JSON.stringify({ '/new/path': TrustLevel.TRUST_FOLDER }, null, 2),
'utf-8',
);
});
});
describe('isWorkspaceTrusted', () => {
let mockCwd: string;
const mockRules: Record<string, TrustLevel> = {};
const mockSettings: Settings = {
folderTrustFeature: true,
folderTrust: true,
};
beforeEach(() => {
vi.spyOn(process, 'cwd').mockImplementation(() => mockCwd);
vi.spyOn(fs, 'readFileSync').mockImplementation((p) => {
if (p === USER_TRUSTED_FOLDERS_PATH) {
return JSON.stringify(mockRules);
}
return '{}';
});
vi.spyOn(fs, 'existsSync').mockImplementation(
(p) => p === USER_TRUSTED_FOLDERS_PATH,
);
});
afterEach(() => {
vi.restoreAllMocks();
// Clear the object
Object.keys(mockRules).forEach((key) => delete mockRules[key]);
});
it('should return true for a directly trusted folder', () => {
mockCwd = '/home/user/projectA';
mockRules['/home/user/projectA'] = TrustLevel.TRUST_FOLDER;
expect(isWorkspaceTrusted(mockSettings)).toBe(true);
});
it('should return true for a child of a trusted folder', () => {
mockCwd = '/home/user/projectA/src';
mockRules['/home/user/projectA'] = TrustLevel.TRUST_FOLDER;
expect(isWorkspaceTrusted(mockSettings)).toBe(true);
});
it('should return true for a child of a trusted parent folder', () => {
mockCwd = '/home/user/projectB';
mockRules['/home/user/projectB/somefile.txt'] = TrustLevel.TRUST_PARENT;
expect(isWorkspaceTrusted(mockSettings)).toBe(true);
});
it('should return false for a directly untrusted folder', () => {
mockCwd = '/home/user/untrusted';
mockRules['/home/user/untrusted'] = TrustLevel.DO_NOT_TRUST;
expect(isWorkspaceTrusted(mockSettings)).toBe(false);
});
it('should return undefined for a child of an untrusted folder', () => {
mockCwd = '/home/user/untrusted/src';
mockRules['/home/user/untrusted'] = TrustLevel.DO_NOT_TRUST;
expect(isWorkspaceTrusted(mockSettings)).toBeUndefined();
});
it('should return undefined when no rules match', () => {
mockCwd = '/home/user/other';
mockRules['/home/user/projectA'] = TrustLevel.TRUST_FOLDER;
mockRules['/home/user/untrusted'] = TrustLevel.DO_NOT_TRUST;
expect(isWorkspaceTrusted(mockSettings)).toBeUndefined();
});
it('should prioritize trust over distrust', () => {
mockCwd = '/home/user/projectA/untrusted';
mockRules['/home/user/projectA'] = TrustLevel.TRUST_FOLDER;
mockRules['/home/user/projectA/untrusted'] = TrustLevel.DO_NOT_TRUST;
expect(isWorkspaceTrusted(mockSettings)).toBe(true);
});
it('should handle path normalization', () => {
mockCwd = '/home/user/projectA';
mockRules[`/home/user/../user/${path.basename('/home/user/projectA')}`] =
TrustLevel.TRUST_FOLDER;
expect(isWorkspaceTrusted(mockSettings)).toBe(true);
});
});
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