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Runtime error
Runtime error
| import { describe, it, expect, vi } from 'vitest' | |
| import { z } from 'zod' | |
| import { validate } from './validate' | |
| import type { Request, Response, NextFunction } from 'express' | |
| const schema = z.object({ name: z.string(), age: z.number() }) | |
| function makeReq(body: unknown): Request { | |
| return { body } as unknown as Request | |
| } | |
| function makeRes() { | |
| const res = { status: vi.fn(), json: vi.fn() } | |
| res.status.mockReturnValue(res as unknown as Response) | |
| return res | |
| } | |
| describe('validate', () => { | |
| it('calls next() and assigns parsed body on valid input', () => { | |
| const req = makeReq({ name: 'Su', age: 30 }) | |
| const res = makeRes() | |
| const next = vi.fn() as unknown as NextFunction | |
| validate(schema)(req, res as unknown as Response, next) | |
| expect(next).toHaveBeenCalledOnce() | |
| expect(req.body).toEqual({ name: 'Su', age: 30 }) | |
| expect(res.status).not.toHaveBeenCalled() | |
| }) | |
| it('returns 400 with error details on invalid input', () => { | |
| const req = makeReq({ name: 123 }) | |
| const res = makeRes() | |
| const next = vi.fn() as unknown as NextFunction | |
| validate(schema)(req, res as unknown as Response, next) | |
| expect(res.status).toHaveBeenCalledWith(400) | |
| expect(res.json).toHaveBeenCalledWith( | |
| expect.objectContaining({ error: expect.any(String), details: expect.any(Array) }) | |
| ) | |
| expect(next).not.toHaveBeenCalled() | |
| }) | |
| it('coerces Zod defaults into req.body', () => { | |
| const schemaWithDefault = z.object({ model: z.string().default('smart-router') }) | |
| const req = makeReq({}) | |
| const res = makeRes() | |
| const next = vi.fn() as unknown as NextFunction | |
| validate(schemaWithDefault)(req, res as unknown as Response, next) | |
| expect(next).toHaveBeenCalledOnce() | |
| expect((req.body as { model: string }).model).toBe('smart-router') | |
| }) | |
| }) | |