import { readdirSync } from "node:fs";
import { describe, expect, it } from "vitest";
import { MIGRATIONS_DIR } from "../src/index.ts";

describe("migrations", () => {
  it("迁移文件按 NNNN_name.ts 命名且导出 up/down", async () => {
    const files = readdirSync(MIGRATIONS_DIR).filter((f) => f.endsWith(".ts"));
    expect(files.length).toBeGreaterThan(0);
    for (const f of files) {
      expect(f).toMatch(/^\d{4}_[a-z0-9_]+\.ts$/);
      const mod = await import(`${MIGRATIONS_DIR}/${f}`);
      expect(typeof mod.up).toBe("function");
      expect(typeof mod.down).toBe("function");
    }
  });
});