gemini-cli/packages/cli/src/utils/worktreeSetup.test.ts

120 lines
3.5 KiB
TypeScript

/**
* @license
* Copyright 2026 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { setupWorktree } from './worktreeSetup.js';
import {
getProjectRootForWorktree,
createWorktreeService,
writeToStderr,
} from '@google/gemini-cli-core';
// Mock dependencies
vi.mock('@google/gemini-cli-core', async (importOriginal) => {
const actual =
await importOriginal<typeof import('@google/gemini-cli-core')>();
return {
...actual,
getProjectRootForWorktree: vi.fn(),
createWorktreeService: vi.fn(),
debugLogger: {
log: vi.fn(),
error: vi.fn(),
debug: vi.fn(),
},
writeToStdout: vi.fn(),
writeToStderr: vi.fn(),
};
});
describe('setupWorktree', () => {
const originalEnv = { ...process.env };
const originalCwd = process.cwd;
const mockService = {
setup: vi.fn(),
maybeCleanup: vi.fn(),
};
beforeEach(() => {
vi.clearAllMocks();
process.env = { ...originalEnv };
// Mock process.cwd and process.chdir
let currentPath = '/mock/project';
process.cwd = vi.fn().mockImplementation(() => currentPath);
process.chdir = vi.fn().mockImplementation((newPath) => {
currentPath = newPath;
});
// Mock successful execution of core utilities
vi.mocked(getProjectRootForWorktree).mockResolvedValue('/mock/project');
vi.mocked(createWorktreeService).mockResolvedValue(mockService as never);
mockService.setup.mockResolvedValue({
name: 'my-feature',
path: '/mock/project/.gemini/worktrees/my-feature',
baseSha: 'base-sha',
});
});
afterEach(() => {
process.env = { ...originalEnv };
process.cwd = originalCwd;
delete (process as { chdir?: typeof process.chdir }).chdir;
});
it('should create and switch to a new worktree', async () => {
await setupWorktree('my-feature');
expect(getProjectRootForWorktree).toHaveBeenCalledWith('/mock/project');
expect(createWorktreeService).toHaveBeenCalledWith('/mock/project');
expect(mockService.setup).toHaveBeenCalledWith('my-feature');
expect(process.chdir).toHaveBeenCalledWith(
'/mock/project/.gemini/worktrees/my-feature',
);
expect(process.env['GEMINI_CLI_WORKTREE_HANDLED']).toBe('1');
});
it('should generate a name if worktreeName is undefined', async () => {
mockService.setup.mockResolvedValue({
name: 'generated-name',
path: '/mock/project/.gemini/worktrees/generated-name',
baseSha: 'base-sha',
});
await setupWorktree(undefined);
expect(mockService.setup).toHaveBeenCalledWith(undefined);
});
it('should skip worktree creation if GEMINI_CLI_WORKTREE_HANDLED is set', async () => {
process.env['GEMINI_CLI_WORKTREE_HANDLED'] = '1';
await setupWorktree('my-feature');
expect(createWorktreeService).not.toHaveBeenCalled();
expect(process.chdir).not.toHaveBeenCalled();
});
it('should handle errors gracefully and exit', async () => {
const mockExit = vi.spyOn(process, 'exit').mockImplementation(() => {
throw new Error('PROCESS_EXIT');
});
mockService.setup.mockRejectedValue(new Error('Git failure'));
await expect(setupWorktree('my-feature')).rejects.toThrow('PROCESS_EXIT');
expect(writeToStderr).toHaveBeenCalledWith(
expect.stringContaining(
'Failed to create or switch to worktree: Git failure',
),
);
expect(mockExit).toHaveBeenCalledWith(1);
mockExit.mockRestore();
});
});