testing-zod-schemas
Testing Zod Schemas
Purpose
Comprehensive guide to testing Zod v4 schemas, including validation logic, error messages, transformations, and type inference.
For Vitest test structure, mocking, and async patterns, use vitest-4/skills/writing-vitest-tests
Unit Testing Schemas
Basic Validation Tests
import { z } from 'zod';
const userSchema = z.object({
email: z.email().trim().toLowerCase(),
age: z.number().min(18),
username: z.string().trim().min(3)
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