/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import * as osActual from 'node:os';
import { FatalConfigError, ideContextStore } from 'sixth-cli-core';
import { describe, it, expect, vi, beforeEach, afterEach, } from 'vitest';
import * as fs from 'node:fs';
import stripJsonComments from 'strip-json-comments';
import * as path from 'node:path';
import { loadTrustedFolders, getTrustedFoldersPath, TrustLevel, isWorkspaceTrusted, resetTrustedFoldersForTesting, } from './trustedFolders.js';
vi.mock('os', async (importOriginal) => {
    const actualOs = await importOriginal();
    return {
        ...actualOs,
        homedir: vi.fn(() => '/mock/home/user'),
        platform: vi.fn(() => 'linux'),
    };
});
vi.mock('fs', async (importOriginal) => {
    const actualFs = await importOriginal();
    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;
    let mockStripJsonComments;
    let mockFsWriteFileSync;
    beforeEach(() => {
        resetTrustedFoldersForTesting();
        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.mockImplementation((jsonString) => jsonString);
        mockFsExistsSync.mockReturnValue(false);
        fs.readFileSync.mockReturnValue('{}');
    });
    afterEach(() => {
        vi.restoreAllMocks();
    });
    it('should load empty rules if no files exist', () => {
        const { rules, errors } = loadTrustedFolders();
        expect(rules).toEqual([]);
        expect(errors).toEqual([]);
    });
    describe('isPathTrusted', () => {
        function setup({ config = {} } = {}) {
            mockFsExistsSync.mockImplementation((p) => p === getTrustedFoldersPath());
            fs.readFileSync.mockImplementation((p) => {
                if (p === getTrustedFoldersPath())
                    return JSON.stringify(config);
                return '{}';
            });
            const folders = loadTrustedFolders();
            return { folders };
        }
        it('provides a method to determine if a path is trusted', () => {
            const { folders } = setup({
                config: {
                    './myfolder': TrustLevel.TRUST_FOLDER,
                    '/trustedparent/trustme': TrustLevel.TRUST_PARENT,
                    '/user/folder': TrustLevel.TRUST_FOLDER,
                    '/secret': TrustLevel.DO_NOT_TRUST,
                    '/secret/publickeys': TrustLevel.TRUST_FOLDER,
                },
            });
            expect(folders.isPathTrusted('/secret')).toBe(false);
            expect(folders.isPathTrusted('/user/folder')).toBe(true);
            expect(folders.isPathTrusted('/secret/publickeys/public.pem')).toBe(true);
            expect(folders.isPathTrusted('/user/folder/harhar')).toBe(true);
            expect(folders.isPathTrusted('myfolder/somefile.jpg')).toBe(true);
            expect(folders.isPathTrusted('/trustedparent/someotherfolder')).toBe(true);
            expect(folders.isPathTrusted('/trustedparent/trustme')).toBe(true);
            // No explicit rule covers this file
            expect(folders.isPathTrusted('/secret/bankaccounts.json')).toBe(undefined);
            expect(folders.isPathTrusted('/secret/mine/privatekey.pem')).toBe(undefined);
            expect(folders.isPathTrusted('/user/someotherfolder')).toBe(undefined);
        });
    });
    it('should load user rules if only user file exists', () => {
        const userPath = getTrustedFoldersPath();
        mockFsExistsSync.mockImplementation((p) => p === userPath);
        const userContent = {
            '/user/folder': TrustLevel.TRUST_FOLDER,
        };
        fs.readFileSync.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 = getTrustedFoldersPath();
        mockFsExistsSync.mockImplementation((p) => p === userPath);
        fs.readFileSync.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('should use GEMINI_CLI_TRUSTED_FOLDERS_PATH env var if set', () => {
        const customPath = '/custom/path/to/trusted_folders.json';
        process.env['GEMINI_CLI_TRUSTED_FOLDERS_PATH'] = customPath;
        mockFsExistsSync.mockImplementation((p) => p === customPath);
        const userContent = {
            '/user/folder/from/env': TrustLevel.TRUST_FOLDER,
        };
        fs.readFileSync.mockImplementation((p) => {
            if (p === customPath)
                return JSON.stringify(userContent);
            return '{}';
        });
        const { rules, errors } = loadTrustedFolders();
        expect(rules).toEqual([
            {
                path: '/user/folder/from/env',
                trustLevel: TrustLevel.TRUST_FOLDER,
            },
        ]);
        expect(errors).toEqual([]);
        delete process.env['GEMINI_CLI_TRUSTED_FOLDERS_PATH'];
    });
    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(getTrustedFoldersPath(), JSON.stringify({ '/new/path': TrustLevel.TRUST_FOLDER }, null, 2), { encoding: 'utf-8', mode: 0o600 });
    });
});
describe('isWorkspaceTrusted', () => {
    let mockCwd;
    const mockRules = {};
    const mockSettings = {
        security: {
            folderTrust: {
                enabled: true,
            },
        },
    };
    beforeEach(() => {
        resetTrustedFoldersForTesting();
        vi.spyOn(process, 'cwd').mockImplementation(() => mockCwd);
        vi.spyOn(fs, 'readFileSync').mockImplementation((p) => {
            if (p === getTrustedFoldersPath()) {
                return JSON.stringify(mockRules);
            }
            return '{}';
        });
        vi.spyOn(fs, 'existsSync').mockImplementation((p) => p === getTrustedFoldersPath());
    });
    afterEach(() => {
        vi.restoreAllMocks();
        // Clear the object
        Object.keys(mockRules).forEach((key) => delete mockRules[key]);
    });
    it('should throw a fatal error if the config is malformed', () => {
        mockCwd = '/home/user/projectA';
        // This mock needs to be specific to this test to override the one in beforeEach
        vi.spyOn(fs, 'readFileSync').mockImplementation((p) => {
            if (p === getTrustedFoldersPath()) {
                return '{"foo": "bar",}'; // Malformed JSON with trailing comma
            }
            return '{}';
        });
        expect(() => isWorkspaceTrusted(mockSettings)).toThrow(FatalConfigError);
        expect(() => isWorkspaceTrusted(mockSettings)).toThrow(/Please fix the configuration file/);
    });
    it('should throw a fatal error if the config is not a JSON object', () => {
        mockCwd = '/home/user/projectA';
        vi.spyOn(fs, 'readFileSync').mockImplementation((p) => {
            if (p === getTrustedFoldersPath()) {
                return 'null';
            }
            return '{}';
        });
        expect(() => isWorkspaceTrusted(mockSettings)).toThrow(FatalConfigError);
        expect(() => isWorkspaceTrusted(mockSettings)).toThrow(/not a valid JSON object/);
    });
    it('should return true for a directly trusted folder', () => {
        mockCwd = '/home/user/projectA';
        mockRules['/home/user/projectA'] = TrustLevel.TRUST_FOLDER;
        expect(isWorkspaceTrusted(mockSettings)).toEqual({
            isTrusted: true,
            source: 'file',
        });
    });
    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)).toEqual({
            isTrusted: true,
            source: 'file',
        });
    });
    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)).toEqual({
            isTrusted: true,
            source: 'file',
        });
    });
    it('should return false for a directly untrusted folder', () => {
        mockCwd = '/home/user/untrusted';
        mockRules['/home/user/untrusted'] = TrustLevel.DO_NOT_TRUST;
        expect(isWorkspaceTrusted(mockSettings)).toEqual({
            isTrusted: false,
            source: 'file',
        });
    });
    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).isTrusted).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).isTrusted).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)).toEqual({
            isTrusted: true,
            source: 'file',
        });
    });
    it('should handle path normalization', () => {
        mockCwd = '/home/user/projectA';
        mockRules[`/home/user/../user/${path.basename('/home/user/projectA')}`] =
            TrustLevel.TRUST_FOLDER;
        expect(isWorkspaceTrusted(mockSettings)).toEqual({
            isTrusted: true,
            source: 'file',
        });
    });
});
describe('isWorkspaceTrusted with IDE override', () => {
    afterEach(() => {
        vi.clearAllMocks();
        ideContextStore.clear();
        resetTrustedFoldersForTesting();
    });
    const mockSettings = {
        security: {
            folderTrust: {
                enabled: true,
            },
        },
    };
    it('should return true when ideTrust is true, ignoring config', () => {
        ideContextStore.set({ workspaceState: { isTrusted: true } });
        // Even if config says don't trust, ideTrust should win.
        vi.spyOn(fs, 'readFileSync').mockReturnValue(JSON.stringify({ [process.cwd()]: TrustLevel.DO_NOT_TRUST }));
        expect(isWorkspaceTrusted(mockSettings)).toEqual({
            isTrusted: true,
            source: 'ide',
        });
    });
    it('should return false when ideTrust is false, ignoring config', () => {
        ideContextStore.set({ workspaceState: { isTrusted: false } });
        // Even if config says trust, ideTrust should win.
        vi.spyOn(fs, 'readFileSync').mockReturnValue(JSON.stringify({ [process.cwd()]: TrustLevel.TRUST_FOLDER }));
        expect(isWorkspaceTrusted(mockSettings)).toEqual({
            isTrusted: false,
            source: 'ide',
        });
    });
    it('should fall back to config when ideTrust is undefined', () => {
        vi.spyOn(fs, 'existsSync').mockReturnValue(true);
        vi.spyOn(fs, 'readFileSync').mockReturnValue(JSON.stringify({ [process.cwd()]: TrustLevel.TRUST_FOLDER }));
        expect(isWorkspaceTrusted(mockSettings)).toEqual({
            isTrusted: true,
            source: 'file',
        });
    });
    it('should always return true if folderTrust setting is disabled', () => {
        const settings = {
            security: {
                folderTrust: {
                    enabled: false,
                },
            },
        };
        ideContextStore.set({ workspaceState: { isTrusted: false } });
        expect(isWorkspaceTrusted(settings)).toEqual({
            isTrusted: true,
            source: undefined,
        });
    });
});
describe('Trusted Folders Caching', () => {
    beforeEach(() => {
        resetTrustedFoldersForTesting();
        vi.mocked(fs.existsSync).mockReturnValue(true);
        vi.mocked(fs.readFileSync).mockReturnValue('{}');
    });
    afterEach(() => {
        vi.restoreAllMocks();
    });
    it('should cache the loaded folders object', () => {
        const readSpy = vi.spyOn(fs, 'readFileSync');
        // First call should read the file
        loadTrustedFolders();
        expect(readSpy).toHaveBeenCalledTimes(1);
        // Second call should use the cache
        loadTrustedFolders();
        expect(readSpy).toHaveBeenCalledTimes(1);
        // Resetting should clear the cache
        resetTrustedFoldersForTesting();
        // Third call should read the file again
        loadTrustedFolders();
        expect(readSpy).toHaveBeenCalledTimes(2);
    });
});
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