/** * Tests for split-exec (deterministic git operations and PR creation) */ import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';import { mkdtempSync, mkdirSync, rmSync } from 'fs';import { tmpdir } from 'os';import { join } from 'path';import { execFileSync } from 'child_process';import type { SimpleGit } from 'simple-git';import simpleGit from 'simple-git';import type { GitHubAPI } from '../../tools/prr/github/api.js'; const tempDirs: string[] = []; afterEach(() => {  for (const dir of tempDirs.splice(0)) {    rmSync(dir, { recursive: true, force: true });  }}); function initGitRepo(dir: string): SimpleGit {  execFileSync('git', ['init'], { cwd: dir, stdio: 'ignore' });  execFileSync('git', ['config', 'user.name', 'Test'], { cwd: dir, stdio: 'ignore' });  execFileSync('git', ['config', 'user.email', 'test@example.com'], { cwd: dir, stdio: 'ignore' });  return simpleGit(dir);} describe('split-exec git operations', () => {  it('correctly handles cherry-pick operations', async () => {    const dir = mkdtempSync(join(tmpdir(), 'split-exec-'));    tempDirs.push(dir);     const git = initGitRepo(dir);     // Create base branch    require('fs').writeFileSync(join(dir, 'README.md'), '# Test\n', 'utf-8');    await git.add('.');    await git.commit('Initial commit');    await git.checkoutBranch('main', 'HEAD');     // Create feature branch with commits    await git.checkoutBranch('feature', 'main');    mkdirSync(join(dir, 'src'), { recursive: true });    require('fs').writeFileSync(join(dir, 'src/a.ts'), 'export const a = 1;\n', 'utf-8');    await git.add('.');    const commitSha = await git.commit('Add a.ts');     // Create target branch    await git.checkoutBranch('feature-a', 'main');     // TODO: Test cherry-pick operation    // This would test that split-exec correctly cherry-picks commits    expect(true).toBe(true);  });   it('handles conflicts correctly', async () => {    const dir = mkdtempSync(join(tmpdir(), 'split-exec-'));    tempDirs.push(dir);     const git = initGitRepo(dir);     // TODO: Test conflict resolution    // Create a scenario with merge conflicts and verify handling    expect(true).toBe(true);  });   it('creates PRs with correct metadata', async () => {    const mockGithub: Partial<GitHubAPI> = {      createPR: vi.fn(async () => ({ number: 1, url: 'https://github.com/test/test/pull/1' })),    };     // TODO: Test PR creation    // Verify that split-exec creates PRs with correct title, body, base branch    expect(true).toBe(true);  });});