claude-code/tests/mocks/file-system.ts

import { mkdtemp, rm, writeFile, mkdir } from "node:fs/promises";
import { tmpdir } from "node:os";
import { join } from "node:path";

export async function createTempDir(
  prefix = "claude-test-",
): Promise<string> {
  return mkdtemp(join(tmpdir(), prefix));
}

export async function cleanupTempDir(dir: string): Promise<void> {
  await rm(dir, { recursive: true, force: true });
}

export async function writeTempFile(
  dir: string,
  name: string,
  content: string,
): Promise<string> {
  const path = join(dir, name);
  await writeFile(path, content, "utf-8");
  return path;
}

export async function createTempSubdir(
  dir: string,
  name: string,
): Promise<string> {
  const path = join(dir, name);
  await mkdir(path, { recursive: true });
  return path;
}