/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { vi, describe, it, expect, beforeEach, afterEach } from 'vitest';
import { spawn, exec, execSync } from 'node:child_process';
import os from 'node:os';
import fs from 'node:fs';
import { start_sandbox } from './sandbox.js';
import { FatalSandboxError } from '@google/gemini-cli-core';
import { EventEmitter } from 'node:events';
vi.mock('../config/settings.js', () => ({
    USER_SETTINGS_DIR: '/home/user/.gemini',
}));
vi.mock('node:child_process');
vi.mock('node:os');
vi.mock('node:fs');
vi.mock('node:util', async (importOriginal) => {
    const actual = await importOriginal();
    return {
        ...actual,
        promisify: (fn) => {
            if (fn === exec) {
                return async (cmd) => {
                    if (cmd === 'id -u' || cmd === 'id -g') {
                        return { stdout: '1000', stderr: '' };
                    }
                    if (cmd.includes('curl')) {
                        return { stdout: '', stderr: '' };
                    }
                    if (cmd.includes('getconf DARWIN_USER_CACHE_DIR')) {
                        return { stdout: '/tmp/cache', stderr: '' };
                    }
                    if (cmd.includes('ps -a --format')) {
                        return { stdout: 'existing-container', stderr: '' };
                    }
                    return { stdout: '', stderr: '' };
                };
            }
            return actual.promisify(fn);
        },
    };
});
vi.mock('@google/gemini-cli-core', async (importOriginal) => {
    const actual = await importOriginal();
    return {
        ...actual,
        debugLogger: {
            log: vi.fn(),
            debug: vi.fn(),
            warn: vi.fn(),
        },
        coreEvents: {
            emitFeedback: vi.fn(),
        },
        FatalSandboxError: class extends Error {
            constructor(message) {
                super(message);
                this.name = 'FatalSandboxError';
            }
        },
        GEMINI_DIR: '.gemini',
        USER_SETTINGS_DIR: '/home/user/.gemini',
    };
});
describe('sandbox', () => {
    const originalEnv = process.env;
    const originalArgv = process.argv;
    let mockProcessIn;
    beforeEach(() => {
        vi.clearAllMocks();
        process.env = { ...originalEnv };
        process.argv = [...originalArgv];
        mockProcessIn = {
            pause: vi.fn(),
            resume: vi.fn(),
            isTTY: true,
        };
        Object.defineProperty(process, 'stdin', {
            value: mockProcessIn,
            writable: true,
        });
        vi.mocked(os.platform).mockReturnValue('linux');
        vi.mocked(os.homedir).mockReturnValue('/home/user');
        vi.mocked(os.tmpdir).mockReturnValue('/tmp');
        vi.mocked(fs.existsSync).mockReturnValue(true);
        vi.mocked(fs.realpathSync).mockImplementation((p) => p);
        vi.mocked(execSync).mockReturnValue(Buffer.from(''));
    });
    afterEach(() => {
        process.env = originalEnv;
        process.argv = originalArgv;
    });
    describe('start_sandbox', () => {
        it('should handle macOS seatbelt (sandbox-exec)', async () => {
            vi.mocked(os.platform).mockReturnValue('darwin');
            const config = {
                command: 'sandbox-exec',
                image: 'some-image',
            };
            const mockSpawnProcess = new EventEmitter();
            mockSpawnProcess.stdout = new EventEmitter();
            mockSpawnProcess.stderr = new EventEmitter();
            vi.mocked(spawn).mockReturnValue(mockSpawnProcess);
            const promise = start_sandbox(config, [], undefined, ['arg1']);
            setTimeout(() => {
                mockSpawnProcess.emit('close', 0);
            }, 10);
            await expect(promise).resolves.toBe(0);
            expect(spawn).toHaveBeenCalledWith('sandbox-exec', expect.arrayContaining([
                '-f',
                expect.stringContaining('sandbox-macos-permissive-open.sb'),
            ]), expect.objectContaining({ stdio: 'inherit' }));
        });
        it('should throw FatalSandboxError if seatbelt profile is missing', async () => {
            vi.mocked(os.platform).mockReturnValue('darwin');
            vi.mocked(fs.existsSync).mockReturnValue(false);
            const config = {
                command: 'sandbox-exec',
                image: 'some-image',
            };
            await expect(start_sandbox(config)).rejects.toThrow(FatalSandboxError);
        });
        it('should handle Docker execution', async () => {
            const config = {
                command: 'docker',
                image: 'gemini-cli-sandbox',
            };
            const mockImageCheckProcess = new EventEmitter();
            mockImageCheckProcess.stdout = new EventEmitter();
            vi.mocked(spawn).mockImplementationOnce((_cmd, args) => {
                if (args && args[0] === 'images') {
                    setTimeout(() => {
                        mockImageCheckProcess.stdout.emit('data', Buffer.from('image-id'));
                        mockImageCheckProcess.emit('close', 0);
                    }, 1);
                    return mockImageCheckProcess;
                }
                return new EventEmitter(); // fallback
            });
            const mockSpawnProcess = new EventEmitter();
            mockSpawnProcess.on = vi.fn().mockImplementation((event, cb) => {
                if (event === 'close') {
                    setTimeout(() => cb(0), 10);
                }
                return mockSpawnProcess;
            });
            vi.mocked(spawn).mockImplementationOnce((cmd, args) => {
                if (cmd === 'docker' && args && args[0] === 'run') {
                    return mockSpawnProcess;
                }
                return new EventEmitter();
            });
            const promise = start_sandbox(config, [], undefined, ['arg1']);
            await expect(promise).resolves.toBe(0);
            expect(spawn).toHaveBeenCalledWith('docker', expect.arrayContaining(['run', '-i', '--rm', '--init']), expect.objectContaining({ stdio: 'inherit' }));
        });
        it('should pull image if missing', async () => {
            const config = {
                command: 'docker',
                image: 'missing-image',
            };
            const mockImageCheckProcess1 = new EventEmitter();
            mockImageCheckProcess1.stdout = new EventEmitter();
            vi.mocked(spawn).mockImplementationOnce(() => {
                setTimeout(() => {
                    mockImageCheckProcess1.emit('close', 0);
                }, 1);
                return mockImageCheckProcess1;
            });
            const mockPullProcess = new EventEmitter();
            mockPullProcess.stdout = new EventEmitter();
            mockPullProcess.stderr = new EventEmitter();
            vi.mocked(spawn).mockImplementationOnce(() => {
                setTimeout(() => {
                    mockPullProcess.emit('close', 0);
                }, 1);
                return mockPullProcess;
            });
            // 3. Image check succeeds
            const mockImageCheckProcess2 = new EventEmitter();
            mockImageCheckProcess2.stdout = new EventEmitter();
            vi.mocked(spawn).mockImplementationOnce(() => {
                setTimeout(() => {
                    mockImageCheckProcess2.stdout.emit('data', Buffer.from('image-id'));
                    mockImageCheckProcess2.emit('close', 0);
                }, 1);
                return mockImageCheckProcess2;
            });
            // 4. Docker run
            const mockSpawnProcess = new EventEmitter();
            mockSpawnProcess.on = vi.fn().mockImplementation((event, cb) => {
                if (event === 'close') {
                    setTimeout(() => cb(0), 10);
                }
                return mockSpawnProcess;
            });
            vi.mocked(spawn).mockImplementationOnce(() => mockSpawnProcess);
            const promise = start_sandbox(config, [], undefined, ['arg1']);
            await expect(promise).resolves.toBe(0);
            expect(spawn).toHaveBeenCalledWith('docker', expect.arrayContaining(['pull', 'missing-image']), expect.any(Object));
        });
        it('should throw if image pull fails', async () => {
            const config = {
                command: 'docker',
                image: 'missing-image',
            };
            const mockImageCheckProcess1 = new EventEmitter();
            mockImageCheckProcess1.stdout = new EventEmitter();
            vi.mocked(spawn).mockImplementationOnce(() => {
                setTimeout(() => {
                    mockImageCheckProcess1.emit('close', 0);
                }, 1);
                return mockImageCheckProcess1;
            });
            const mockPullProcess = new EventEmitter();
            mockPullProcess.stdout = new EventEmitter();
            mockPullProcess.stderr = new EventEmitter();
            vi.mocked(spawn).mockImplementationOnce(() => {
                setTimeout(() => {
                    mockPullProcess.emit('close', 1);
                }, 1);
                return mockPullProcess;
            });
            await expect(start_sandbox(config)).rejects.toThrow(FatalSandboxError);
        });
        it('should mount volumes correctly', async () => {
            const config = {
                command: 'docker',
                image: 'gemini-cli-sandbox',
            };
            process.env['SANDBOX_MOUNTS'] = '/host/path:/container/path:ro';
            vi.mocked(fs.existsSync).mockReturnValue(true); // For mount path check
            const mockImageCheckProcess = new EventEmitter();
            mockImageCheckProcess.stdout = new EventEmitter();
            vi.mocked(spawn).mockImplementationOnce(() => {
                setTimeout(() => {
                    mockImageCheckProcess.stdout.emit('data', Buffer.from('image-id'));
                    mockImageCheckProcess.emit('close', 0);
                }, 1);
                return mockImageCheckProcess;
            });
            const mockSpawnProcess = new EventEmitter();
            mockSpawnProcess.on = vi.fn().mockImplementation((event, cb) => {
                if (event === 'close') {
                    setTimeout(() => cb(0), 10);
                }
                return mockSpawnProcess;
            });
            vi.mocked(spawn).mockImplementationOnce(() => mockSpawnProcess);
            await start_sandbox(config);
            expect(spawn).toHaveBeenCalledWith('docker', expect.arrayContaining([
                '--volume',
                '/host/path:/container/path:ro',
                '--volume',
                expect.stringContaining('/home/user/.gemini'),
            ]), expect.any(Object));
        });
        it('should handle user creation on Linux if needed', async () => {
            const config = {
                command: 'docker',
                image: 'gemini-cli-sandbox',
            };
            process.env['SANDBOX_SET_UID_GID'] = 'true';
            vi.mocked(os.platform).mockReturnValue('linux');
            vi.mocked(execSync).mockImplementation((cmd) => {
                if (cmd === 'id -u')
                    return Buffer.from('1000');
                if (cmd === 'id -g')
                    return Buffer.from('1000');
                return Buffer.from('');
            });
            const mockImageCheckProcess = new EventEmitter();
            mockImageCheckProcess.stdout = new EventEmitter();
            vi.mocked(spawn).mockImplementationOnce(() => {
                setTimeout(() => {
                    mockImageCheckProcess.stdout.emit('data', Buffer.from('image-id'));
                    mockImageCheckProcess.emit('close', 0);
                }, 1);
                return mockImageCheckProcess;
            });
            const mockSpawnProcess = new EventEmitter();
            mockSpawnProcess.on = vi.fn().mockImplementation((event, cb) => {
                if (event === 'close') {
                    setTimeout(() => cb(0), 10);
                }
                return mockSpawnProcess;
            });
            vi.mocked(spawn).mockImplementationOnce(() => mockSpawnProcess);
            await start_sandbox(config);
            expect(spawn).toHaveBeenCalledWith('docker', expect.arrayContaining(['--user', 'root', '--env', 'HOME=/home/user']), expect.any(Object));
            // Check that the entrypoint command includes useradd/groupadd
            const args = vi.mocked(spawn).mock.calls[1][1];
            const entrypointCmd = args[args.length - 1];
            expect(entrypointCmd).toContain('groupadd');
            expect(entrypointCmd).toContain('useradd');
            expect(entrypointCmd).toContain('su -p gemini');
        });
    });
});
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