import { describe, expect, it } from "vitest"; import { newTodoInputSchema, todoSchema } from "./todo"; describe("todoSchema", () => {  it("accepts a valid todo", () => {    const result = todoSchema.safeParse({      id: "abc-123",      title: "Buy milk",      completed: false,      createdAt: "2025-01-01T00:00:00.000Z",    });    expect(result.success).toBe(true);  });   it("rejects a todo with empty id", () => {    const result = todoSchema.safeParse({      id: "",      title: "Buy milk",      completed: false,      createdAt: "2025-01-01T00:00:00.000Z",    });    expect(result.success).toBe(false);  });   it("rejects a todo with empty title", () => {    const result = todoSchema.safeParse({      id: "abc-123",      title: "",      completed: false,      createdAt: "2025-01-01T00:00:00.000Z",    });    expect(result.success).toBe(false);  });}); describe("newTodoInputSchema", () => {  it("accepts valid input", () => {    const result = newTodoInputSchema.safeParse({ title: "Buy milk" });    expect(result.success).toBe(true);  });   it("trims whitespace", () => {    const result = newTodoInputSchema.parse({ title: "  Buy milk  " });    expect(result.title).toBe("Buy milk");  });   it("rejects empty title after trimming", () => {    const result = newTodoInputSchema.safeParse({ title: "   " });    expect(result.success).toBe(false);  });});