gemini-cli/packages/cli/src/ui/hooks/shellCommandProcessor.test.ts

474 lines
14 KiB
TypeScript

/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { act, renderHook } from '@testing-library/react';
import {
vi,
describe,
it,
expect,
beforeEach,
afterEach,
type Mock,
} from 'vitest';
const mockIsBinary = vi.hoisted(() => vi.fn());
const mockShellExecutionService = vi.hoisted(() => vi.fn());
vi.mock('@google/gemini-cli-core', async (importOriginal) => {
const original =
await importOriginal<typeof import('@google/gemini-cli-core')>();
return {
...original,
ShellExecutionService: { execute: mockShellExecutionService },
isBinary: mockIsBinary,
};
});
vi.mock('fs');
vi.mock('os');
vi.mock('crypto');
vi.mock('../utils/textUtils.js');
import {
useShellCommandProcessor,
OUTPUT_UPDATE_INTERVAL_MS,
} from './shellCommandProcessor.js';
import {
type Config,
type GeminiClient,
type ShellExecutionResult,
type ShellOutputEvent,
} from '@google/gemini-cli-core';
import * as fs from 'fs';
import * as os from 'os';
import * as path from 'path';
import * as crypto from 'crypto';
import { ToolCallStatus } from '../types.js';
describe('useShellCommandProcessor', () => {
let addItemToHistoryMock: Mock;
let setPendingHistoryItemMock: Mock;
let onExecMock: Mock;
let onDebugMessageMock: Mock;
let mockConfig: Config;
let mockGeminiClient: GeminiClient;
let mockShellOutputCallback: (event: ShellOutputEvent) => void;
let resolveExecutionPromise: (result: ShellExecutionResult) => void;
beforeEach(() => {
vi.clearAllMocks();
addItemToHistoryMock = vi.fn();
setPendingHistoryItemMock = vi.fn();
onExecMock = vi.fn();
onDebugMessageMock = vi.fn();
mockConfig = { getTargetDir: () => '/test/dir' } as Config;
mockGeminiClient = { addHistory: vi.fn() } as unknown as GeminiClient;
vi.mocked(os.platform).mockReturnValue('linux');
vi.mocked(os.tmpdir).mockReturnValue('/tmp');
(vi.mocked(crypto.randomBytes) as Mock).mockReturnValue(
Buffer.from('abcdef', 'hex'),
);
mockIsBinary.mockReturnValue(false);
vi.mocked(fs.existsSync).mockReturnValue(false);
mockShellExecutionService.mockImplementation((_cmd, _cwd, callback) => {
mockShellOutputCallback = callback;
return {
pid: 12345,
result: new Promise((resolve) => {
resolveExecutionPromise = resolve;
}),
};
});
});
const renderProcessorHook = () =>
renderHook(() =>
useShellCommandProcessor(
addItemToHistoryMock,
setPendingHistoryItemMock,
onExecMock,
onDebugMessageMock,
mockConfig,
mockGeminiClient,
),
);
const createMockServiceResult = (
overrides: Partial<ShellExecutionResult> = {},
): ShellExecutionResult => ({
rawOutput: Buffer.from(overrides.output || ''),
output: 'Success',
exitCode: 0,
signal: null,
error: null,
aborted: false,
pid: 12345,
...overrides,
});
it('should initiate command execution and set pending state', async () => {
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand('ls -l', new AbortController().signal);
});
expect(addItemToHistoryMock).toHaveBeenCalledWith(
{ type: 'user_shell', text: 'ls -l' },
expect.any(Number),
);
expect(setPendingHistoryItemMock).toHaveBeenCalledWith({
type: 'tool_group',
tools: [
expect.objectContaining({
name: 'Shell Command',
status: ToolCallStatus.Executing,
}),
],
});
const tmpFile = path.join(os.tmpdir(), 'shell_pwd_abcdef.tmp');
const wrappedCommand = `{ ls -l; }; __code=$?; pwd > "${tmpFile}"; exit $__code`;
expect(mockShellExecutionService).toHaveBeenCalledWith(
wrappedCommand,
'/test/dir',
expect.any(Function),
expect.any(Object),
);
expect(onExecMock).toHaveBeenCalledWith(expect.any(Promise));
});
it('should handle successful execution and update history correctly', async () => {
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand(
'echo "ok"',
new AbortController().signal,
);
});
const execPromise = onExecMock.mock.calls[0][0];
act(() => {
resolveExecutionPromise(createMockServiceResult({ output: 'ok' }));
});
await act(async () => await execPromise);
expect(setPendingHistoryItemMock).toHaveBeenCalledWith(null);
expect(addItemToHistoryMock).toHaveBeenCalledTimes(2); // Initial + final
expect(addItemToHistoryMock.mock.calls[1][0]).toEqual(
expect.objectContaining({
tools: [
expect.objectContaining({
status: ToolCallStatus.Success,
resultDisplay: 'ok',
}),
],
}),
);
expect(mockGeminiClient.addHistory).toHaveBeenCalled();
});
it('should handle command failure and display error status', async () => {
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand(
'bad-cmd',
new AbortController().signal,
);
});
const execPromise = onExecMock.mock.calls[0][0];
act(() => {
resolveExecutionPromise(
createMockServiceResult({ exitCode: 127, output: 'not found' }),
);
});
await act(async () => await execPromise);
const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
expect(finalHistoryItem.tools[0].status).toBe(ToolCallStatus.Error);
expect(finalHistoryItem.tools[0].resultDisplay).toContain(
'Command exited with code 127',
);
expect(finalHistoryItem.tools[0].resultDisplay).toContain('not found');
});
describe('UI Streaming and Throttling', () => {
beforeEach(() => {
vi.useFakeTimers({ toFake: ['Date'] });
});
afterEach(() => {
vi.useRealTimers();
});
it('should throttle pending UI updates for text streams', async () => {
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand(
'stream',
new AbortController().signal,
);
});
// Simulate rapid output
act(() => {
mockShellOutputCallback({
type: 'data',
chunk: 'hello',
});
});
// Should not have updated the UI yet
expect(setPendingHistoryItemMock).toHaveBeenCalledTimes(1); // Only the initial call
// Advance time and send another event to trigger the throttled update
await act(async () => {
await vi.advanceTimersByTimeAsync(OUTPUT_UPDATE_INTERVAL_MS + 1);
mockShellOutputCallback({
type: 'data',
chunk: 'hello world',
});
});
// Should now have been called with the cumulative output
expect(setPendingHistoryItemMock).toHaveBeenCalledTimes(2);
expect(setPendingHistoryItemMock).toHaveBeenLastCalledWith(
expect.objectContaining({
tools: [expect.objectContaining({ resultDisplay: 'hello world' })],
}),
);
});
it('should show binary progress messages correctly', async () => {
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand(
'cat img',
new AbortController().signal,
);
});
// Should immediately show the detection message
act(() => {
mockShellOutputCallback({ type: 'binary_detected' });
});
await act(async () => {
await vi.advanceTimersByTimeAsync(OUTPUT_UPDATE_INTERVAL_MS + 1);
});
// Send another event to trigger the update
act(() => {
mockShellOutputCallback({ type: 'binary_progress', bytesReceived: 0 });
});
expect(setPendingHistoryItemMock).toHaveBeenLastCalledWith(
expect.objectContaining({
tools: [
expect.objectContaining({
resultDisplay: '[Binary output detected. Halting stream...]',
}),
],
}),
);
// Now test progress updates
await act(async () => {
await vi.advanceTimersByTimeAsync(OUTPUT_UPDATE_INTERVAL_MS + 1);
});
act(() => {
mockShellOutputCallback({
type: 'binary_progress',
bytesReceived: 2048,
});
});
expect(setPendingHistoryItemMock).toHaveBeenLastCalledWith(
expect.objectContaining({
tools: [
expect.objectContaining({
resultDisplay: '[Receiving binary output... 2.0 KB received]',
}),
],
}),
);
});
});
it('should not wrap the command on Windows', async () => {
vi.mocked(os.platform).mockReturnValue('win32');
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand('dir', new AbortController().signal);
});
expect(mockShellExecutionService).toHaveBeenCalledWith(
'dir',
'/test/dir',
expect.any(Function),
expect.any(Object),
);
});
it('should handle command abort and display cancelled status', async () => {
const { result } = renderProcessorHook();
const abortController = new AbortController();
act(() => {
result.current.handleShellCommand('sleep 5', abortController.signal);
});
const execPromise = onExecMock.mock.calls[0][0];
act(() => {
abortController.abort();
resolveExecutionPromise(
createMockServiceResult({ aborted: true, output: 'Canceled' }),
);
});
await act(async () => await execPromise);
const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
expect(finalHistoryItem.tools[0].status).toBe(ToolCallStatus.Canceled);
expect(finalHistoryItem.tools[0].resultDisplay).toContain(
'Command was cancelled.',
);
});
it('should handle binary output result correctly', async () => {
const { result } = renderProcessorHook();
const binaryBuffer = Buffer.from([0x89, 0x50, 0x4e, 0x47]);
mockIsBinary.mockReturnValue(true);
act(() => {
result.current.handleShellCommand(
'cat image.png',
new AbortController().signal,
);
});
const execPromise = onExecMock.mock.calls[0][0];
act(() => {
resolveExecutionPromise(
createMockServiceResult({ rawOutput: binaryBuffer }),
);
});
await act(async () => await execPromise);
const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
expect(finalHistoryItem.tools[0].status).toBe(ToolCallStatus.Success);
expect(finalHistoryItem.tools[0].resultDisplay).toBe(
'[Command produced binary output, which is not shown.]',
);
});
it('should handle promise rejection and show an error', async () => {
const { result } = renderProcessorHook();
const testError = new Error('Unexpected failure');
mockShellExecutionService.mockImplementation(() => ({
pid: 12345,
result: Promise.reject(testError),
}));
act(() => {
result.current.handleShellCommand(
'a-command',
new AbortController().signal,
);
});
const execPromise = onExecMock.mock.calls[0][0];
await act(async () => await execPromise);
expect(setPendingHistoryItemMock).toHaveBeenCalledWith(null);
expect(addItemToHistoryMock).toHaveBeenCalledTimes(2);
expect(addItemToHistoryMock.mock.calls[1][0]).toEqual({
type: 'error',
text: 'An unexpected error occurred: Unexpected failure',
});
});
it('should handle synchronous errors during execution and clean up resources', async () => {
const testError = new Error('Synchronous spawn error');
mockShellExecutionService.mockImplementation(() => {
throw testError;
});
// Mock that the temp file was created before the error was thrown
vi.mocked(fs.existsSync).mockReturnValue(true);
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand(
'a-command',
new AbortController().signal,
);
});
const execPromise = onExecMock.mock.calls[0][0];
await act(async () => await execPromise);
expect(setPendingHistoryItemMock).toHaveBeenCalledWith(null);
expect(addItemToHistoryMock).toHaveBeenCalledTimes(2);
expect(addItemToHistoryMock.mock.calls[1][0]).toEqual({
type: 'error',
text: 'An unexpected error occurred: Synchronous spawn error',
});
const tmpFile = path.join(os.tmpdir(), 'shell_pwd_abcdef.tmp');
// Verify that the temporary file was cleaned up
expect(vi.mocked(fs.unlinkSync)).toHaveBeenCalledWith(tmpFile);
});
describe('Directory Change Warning', () => {
it('should show a warning if the working directory changes', async () => {
const tmpFile = path.join(os.tmpdir(), 'shell_pwd_abcdef.tmp');
vi.mocked(fs.existsSync).mockReturnValue(true);
vi.mocked(fs.readFileSync).mockReturnValue('/test/dir/new'); // A different directory
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand(
'cd new',
new AbortController().signal,
);
});
const execPromise = onExecMock.mock.calls[0][0];
act(() => {
resolveExecutionPromise(createMockServiceResult());
});
await act(async () => await execPromise);
const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
expect(finalHistoryItem.tools[0].resultDisplay).toContain(
"WARNING: shell mode is stateless; the directory change to '/test/dir/new' will not persist.",
);
expect(vi.mocked(fs.unlinkSync)).toHaveBeenCalledWith(tmpFile);
});
it('should NOT show a warning if the directory does not change', async () => {
vi.mocked(fs.existsSync).mockReturnValue(true);
vi.mocked(fs.readFileSync).mockReturnValue('/test/dir'); // The same directory
const { result } = renderProcessorHook();
act(() => {
result.current.handleShellCommand('ls', new AbortController().signal);
});
const execPromise = onExecMock.mock.calls[0][0];
act(() => {
resolveExecutionPromise(createMockServiceResult());
});
await act(async () => await execPromise);
const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
expect(finalHistoryItem.tools[0].resultDisplay).not.toContain('WARNING');
});
});
});