Files
gemini-cli/packages/cli/src/ui/utils/clipboardUtils.test.ts
2026-02-13 02:27:56 +00:00

602 lines
19 KiB
TypeScript

/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import {
describe,
it,
expect,
vi,
beforeEach,
afterEach,
type Mock,
} from 'vitest';
import * as fs from 'node:fs/promises';
import {
createWriteStream,
existsSync,
statSync,
type Stats,
type WriteStream,
} from 'node:fs';
import { spawn, execSync, type ChildProcess } from 'node:child_process';
import EventEmitter from 'node:events';
import { Stream } from 'node:stream';
import * as path from 'node:path';
// Mock dependencies BEFORE imports
vi.mock('node:fs/promises');
vi.mock('node:fs', () => ({
createWriteStream: vi.fn(),
existsSync: vi.fn(),
statSync: vi.fn(),
}));
vi.mock('node:child_process', async (importOriginal) => {
const actual = await importOriginal<typeof import('node:child_process')>();
return {
...actual,
spawn: vi.fn(),
execSync: vi.fn(),
};
});
vi.mock('@google/gemini-cli-core', async (importOriginal) => {
const actual =
await importOriginal<typeof import('@google/gemini-cli-core')>();
return {
...actual,
spawnAsync: vi.fn(),
debugLogger: {
debug: vi.fn(),
warn: vi.fn(),
},
Storage: class {
getProjectTempDir = vi.fn(() => '/tmp/global');
initialize = vi.fn(() => Promise.resolve(undefined));
},
};
});
import { spawnAsync } from '@google/gemini-cli-core';
// Keep static imports for stateless functions
import {
cleanupOldClipboardImages,
splitDragAndDropPaths,
parsePastedPaths,
} from './clipboardUtils.js';
const mockPlatform = (platform: string) => {
vi.stubGlobal(
'process',
Object.create(process, {
platform: {
get: () => platform,
},
}),
);
};
// Define the type for the module to use in tests
type ClipboardUtilsModule = typeof import('./clipboardUtils.js');
describe('clipboardUtils', () => {
let originalEnv: NodeJS.ProcessEnv;
// Dynamic module instance for stateful functions
let clipboardUtils: ClipboardUtilsModule;
const MOCK_FILE_STATS = {
isFile: () => true,
size: 100,
mtimeMs: Date.now(),
} as unknown as Stats;
beforeEach(async () => {
vi.resetAllMocks();
originalEnv = process.env;
process.env = { ...originalEnv };
// Reset modules to clear internal state (linuxClipboardTool variable)
vi.resetModules();
// Dynamically import the module to get a fresh instance for each test
clipboardUtils = await import('./clipboardUtils.js');
});
afterEach(() => {
vi.unstubAllGlobals();
vi.restoreAllMocks();
});
describe('clipboardHasImage (Linux)', () => {
it('should return true when wl-paste shows image type (Wayland)', async () => {
mockPlatform('linux');
process.env['XDG_SESSION_TYPE'] = 'wayland';
vi.mocked(execSync).mockReturnValue(Buffer.from('')); // command -v succeeds
vi.mocked(spawnAsync).mockResolvedValueOnce({
stdout: 'image/png\ntext/plain',
stderr: '',
});
const result = await clipboardUtils.clipboardHasImage();
expect(result).toBe(true);
expect(execSync).toHaveBeenCalledWith(
expect.stringContaining('wl-paste'),
expect.anything(),
);
expect(spawnAsync).toHaveBeenCalledWith('wl-paste', ['--list-types']);
});
it('should return true when xclip shows image type (X11)', async () => {
mockPlatform('linux');
process.env['XDG_SESSION_TYPE'] = 'x11';
vi.mocked(execSync).mockReturnValue(Buffer.from('')); // command -v succeeds
vi.mocked(spawnAsync).mockResolvedValueOnce({
stdout: 'image/png\nTARGETS',
stderr: '',
});
const result = await clipboardUtils.clipboardHasImage();
expect(result).toBe(true);
expect(execSync).toHaveBeenCalledWith(
expect.stringContaining('xclip'),
expect.anything(),
);
expect(spawnAsync).toHaveBeenCalledWith('xclip', [
'-selection',
'clipboard',
'-t',
'TARGETS',
'-o',
]);
});
it('should return false if tool fails', async () => {
mockPlatform('linux');
process.env['XDG_SESSION_TYPE'] = 'wayland';
vi.mocked(execSync).mockReturnValue(Buffer.from(''));
vi.mocked(spawnAsync).mockRejectedValueOnce(new Error('wl-paste failed'));
const result = await clipboardUtils.clipboardHasImage();
expect(result).toBe(false);
});
it('should return false if no image type is found', async () => {
mockPlatform('linux');
process.env['XDG_SESSION_TYPE'] = 'wayland';
vi.mocked(execSync).mockReturnValue(Buffer.from(''));
vi.mocked(spawnAsync).mockResolvedValueOnce({
stdout: 'text/plain',
stderr: '',
});
const result = await clipboardUtils.clipboardHasImage();
expect(result).toBe(false);
});
it('should return false if tool not found', async () => {
mockPlatform('linux');
process.env['XDG_SESSION_TYPE'] = 'wayland';
vi.mocked(execSync).mockImplementation(() => {
throw new Error('Command not found');
});
const result = await clipboardUtils.clipboardHasImage();
expect(result).toBe(false);
});
});
describe('saveClipboardImage (Linux)', () => {
const mockTargetDir = '/tmp/target';
const mockTempDir = path.join('/tmp/global', 'images');
beforeEach(() => {
mockPlatform('linux');
vi.mocked(fs.mkdir).mockResolvedValue(undefined);
vi.mocked(fs.unlink).mockResolvedValue(undefined);
});
const createMockChildProcess = (
shouldSucceed: boolean,
exitCode: number = 0,
) => {
const child = new EventEmitter() as EventEmitter & {
stdout: Stream & { pipe: Mock };
};
child.stdout = new Stream() as Stream & { pipe: Mock }; // Dummy stream
child.stdout.pipe = vi.fn();
// Simulate process execution
setTimeout(() => {
if (!shouldSucceed) {
child.emit('error', new Error('Spawn failed'));
} else {
child.emit('close', exitCode);
}
}, 10);
return child;
};
// Helper to prime the internal linuxClipboardTool state
const primeClipboardTool = async (
type: 'wayland' | 'x11',
hasImage = true,
) => {
process.env['XDG_SESSION_TYPE'] = type;
vi.mocked(execSync).mockReturnValue(Buffer.from(''));
vi.mocked(spawnAsync).mockResolvedValueOnce({
stdout: hasImage ? 'image/png' : 'text/plain',
stderr: '',
});
await clipboardUtils.clipboardHasImage();
vi.mocked(spawnAsync).mockClear();
vi.mocked(execSync).mockClear();
};
it('should save image using wl-paste if detected', async () => {
await primeClipboardTool('wayland');
// Mock fs.stat to return size > 0
vi.mocked(fs.stat).mockResolvedValue(MOCK_FILE_STATS);
// Mock spawn to return a successful process for wl-paste
const mockChild = createMockChildProcess(true, 0);
vi.mocked(spawn).mockReturnValueOnce(
mockChild as unknown as ChildProcess,
);
// Mock createWriteStream
const mockStream = new EventEmitter() as EventEmitter & {
writableFinished: boolean;
};
mockStream.writableFinished = false;
vi.mocked(createWriteStream).mockReturnValue(
mockStream as unknown as WriteStream,
);
// Use dynamic instance
const promise = clipboardUtils.saveClipboardImage(mockTargetDir);
// Simulate stream finishing successfully BEFORE process closes
mockStream.writableFinished = true;
mockStream.emit('finish');
const result = await promise;
expect(result).toContain(mockTempDir);
expect(result).toMatch(/clipboard-\d+\.png$/);
expect(spawn).toHaveBeenCalledWith('wl-paste', expect.any(Array));
expect(fs.mkdir).toHaveBeenCalledWith(mockTempDir, { recursive: true });
});
it('should return null if wl-paste fails', async () => {
await primeClipboardTool('wayland');
// Mock fs.stat to return size > 0
vi.mocked(fs.stat).mockResolvedValue(MOCK_FILE_STATS);
// wl-paste fails (non-zero exit code)
const child1 = createMockChildProcess(true, 1);
vi.mocked(spawn).mockReturnValueOnce(child1 as unknown as ChildProcess);
const mockStream1 = new EventEmitter() as EventEmitter & {
writableFinished: boolean;
};
vi.mocked(createWriteStream).mockReturnValueOnce(
mockStream1 as unknown as WriteStream,
);
const promise = clipboardUtils.saveClipboardImage(mockTargetDir);
mockStream1.writableFinished = true;
mockStream1.emit('finish');
const result = await promise;
expect(result).toBe(null);
// Should NOT try xclip
expect(spawn).toHaveBeenCalledTimes(1);
});
it('should save image using xclip if detected', async () => {
await primeClipboardTool('x11');
// Mock fs.stat to return size > 0
vi.mocked(fs.stat).mockResolvedValue(MOCK_FILE_STATS);
// Mock spawn to return a successful process for xclip
const mockChild = createMockChildProcess(true, 0);
vi.mocked(spawn).mockReturnValueOnce(
mockChild as unknown as ChildProcess,
);
// Mock createWriteStream
const mockStream = new EventEmitter() as EventEmitter & {
writableFinished: boolean;
};
mockStream.writableFinished = false;
vi.mocked(createWriteStream).mockReturnValue(
mockStream as unknown as WriteStream,
);
const promise = clipboardUtils.saveClipboardImage(mockTargetDir);
mockStream.writableFinished = true;
mockStream.emit('finish');
const result = await promise;
expect(result).toMatch(/clipboard-\d+\.png$/);
expect(spawn).toHaveBeenCalledWith('xclip', expect.any(Array));
});
it('should return null if tool is not yet detected', async () => {
// Unset session type to ensure no tool is detected automatically
delete process.env['XDG_SESSION_TYPE'];
// Don't prime the tool
const result = await clipboardUtils.saveClipboardImage(mockTargetDir);
expect(result).toBe(null);
expect(spawn).not.toHaveBeenCalled();
});
});
// Stateless functions continue to use static imports
describe('cleanupOldClipboardImages', () => {
const mockTargetDir = '/tmp/target';
it('should not throw errors', async () => {
// Should handle missing directories gracefully
await expect(
cleanupOldClipboardImages(mockTargetDir),
).resolves.not.toThrow();
});
it('should complete without errors on valid directory', async () => {
await expect(
cleanupOldClipboardImages(mockTargetDir),
).resolves.not.toThrow();
});
});
describe('splitDragAndDropPaths', () => {
describe('in posix', () => {
beforeEach(() => mockPlatform('linux'));
it.each([
['empty string', '', []],
['single path no spaces', '/path/to/image.png', ['/path/to/image.png']],
[
'simple space-separated paths',
'/img1.png /img2.png',
['/img1.png', '/img2.png'],
],
[
'three paths',
'/a.png /b.jpg /c.heic',
['/a.png', '/b.jpg', '/c.heic'],
],
['escaped spaces', '/my\\ image.png', ['/my image.png']],
[
'multiple paths with escaped spaces',
'/my\\ img1.png /my\\ img2.png',
['/my img1.png', '/my img2.png'],
],
[
'multiple escaped spaces',
'/path/to/my\\ cool\\ image.png',
['/path/to/my cool image.png'],
],
[
'consecutive spaces',
'/img1.png /img2.png',
['/img1.png', '/img2.png'],
],
[
'trailing/leading whitespace',
' /img1.png /img2.png ',
['/img1.png', '/img2.png'],
],
['whitespace only', ' ', []],
['quoted path with spaces', '"/my image.png"', ['/my image.png']],
[
'mixed quoted and unquoted',
'"/my img1.png" /my\\ img2.png',
['/my img1.png', '/my img2.png'],
],
[
'quoted with escaped quotes',
"'/derp/my '\\''cool'\\'' image.png'",
["/derp/my 'cool' image.png"],
],
])('should escape %s', (_, input, expected) => {
expect([...splitDragAndDropPaths(input)]).toEqual(expected);
});
});
describe('in windows', () => {
beforeEach(() => mockPlatform('win32'));
it.each([
['double quoted path', '"C:\\my image.png"', ['C:\\my image.png']],
[
'multiple double quoted paths',
'"C:\\img 1.png" "D:\\img 2.png"',
['C:\\img 1.png', 'D:\\img 2.png'],
],
['unquoted path', 'C:\\img.png', ['C:\\img.png']],
[
'mixed quoted and unquoted',
'"C:\\img 1.png" D:\\img2.png',
['C:\\img 1.png', 'D:\\img2.png'],
],
['single quoted path', "'C:\\my image.png'", ['C:\\my image.png']],
[
'mixed single and double quoted',
'"C:\\img 1.png" \'D:\\img 2.png\'',
['C:\\img 1.png', 'D:\\img 2.png'],
],
])('should split %s', (_, input, expected) => {
expect([...splitDragAndDropPaths(input)]).toEqual(expected);
});
});
});
describe('parsePastedPaths', () => {
it('should return null for empty string', () => {
const result = parsePastedPaths('');
expect(result).toBe(null);
});
it('should add @ prefix to single valid path', () => {
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths('/path/to/file.txt');
expect(result).toBe('@/path/to/file.txt ');
});
it('should return null for single invalid path', () => {
vi.mocked(existsSync).mockReturnValue(false);
const result = parsePastedPaths('/path/to/file.txt');
expect(result).toBe(null);
});
it('should add @ prefix to all valid paths', () => {
const validPaths = new Set(['/path/to/file1.txt', '/path/to/file2.txt']);
vi.mocked(existsSync).mockImplementation((p) =>
validPaths.has(p as string),
);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths('/path/to/file1.txt /path/to/file2.txt');
expect(result).toBe('@/path/to/file1.txt @/path/to/file2.txt ');
});
it('should return null if any path is invalid', () => {
vi.mocked(existsSync).mockImplementation((p) =>
(p as string).endsWith('.txt'),
);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths('/valid/file.txt /invalid/file.jpg');
expect(result).toBe(null);
});
it('should return null if no paths are valid', () => {
vi.mocked(existsSync).mockReturnValue(false);
const result = parsePastedPaths('/path/to/file1.txt /path/to/file2.txt');
expect(result).toBe(null);
});
describe('in posix', () => {
beforeEach(() => {
mockPlatform('linux');
});
it('should handle paths with escaped spaces', () => {
const validPaths = new Set(['/path/to/my file.txt', '/other/path.txt']);
vi.mocked(existsSync).mockImplementation((p) =>
validPaths.has(p as string),
);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths(
'/path/to/my\\ file.txt /other/path.txt',
);
expect(result).toBe('@/path/to/my\\ file.txt @/other/path.txt ');
});
it('should unescape paths before validation', () => {
const validPaths = new Set(['/my file.txt', '/other.txt']);
const validatedPaths: string[] = [];
vi.mocked(existsSync).mockImplementation((p) => {
validatedPaths.push(p as string);
return validPaths.has(p as string);
});
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
parsePastedPaths('/my\\ file.txt /other.txt');
// First checks entire string, then individual unescaped segments
expect(validatedPaths).toEqual([
'/my\\ file.txt /other.txt',
'/my file.txt',
'/other.txt',
]);
});
it('should handle single path with unescaped spaces from copy-paste', () => {
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths('/path/to/my file.txt');
expect(result).toBe('@/path/to/my\\ file.txt ');
});
it('should handle single-quoted with escaped quote', () => {
const validPaths = new Set([
"/usr/test/my file with 'single quotes'.txt",
]);
const validatedPaths: string[] = [];
vi.mocked(existsSync).mockImplementation((p) => {
validatedPaths.push(p as string);
return validPaths.has(p as string);
});
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths(
"'/usr/test/my file with '\\''single quotes'\\''.txt'",
);
expect(result).toBe(
"@/usr/test/my\\ file\\ with\\ \\'single\\ quotes\\'.txt ",
);
expect(validatedPaths).toEqual([
"/usr/test/my file with 'single quotes'.txt",
]);
});
});
describe('in windows', () => {
beforeEach(() => mockPlatform('win32'));
it('should handle Windows path', () => {
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths('C:\\Users\\file.txt');
expect(result).toBe('@C:\\Users\\file.txt ');
});
it('should handle Windows path with unescaped spaces', () => {
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths('C:\\My Documents\\file.txt');
expect(result).toBe('@"C:\\My Documents\\file.txt" ');
});
it('should handle multiple Windows paths', () => {
const validPaths = new Set(['C:\\file1.txt', 'D:\\file2.txt']);
vi.mocked(existsSync).mockImplementation((p) =>
validPaths.has(p as string),
);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths('C:\\file1.txt D:\\file2.txt');
expect(result).toBe('@C:\\file1.txt @D:\\file2.txt ');
});
it('should handle Windows UNC path', () => {
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(statSync).mockReturnValue(MOCK_FILE_STATS);
const result = parsePastedPaths('\\\\server\\share\\file.txt');
expect(result).toBe('@\\\\server\\share\\file.txt ');
});
});
});
});