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x/zod/__tests__/enum.test.ts

TypeScript-first schema validation with static type inference
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// @ts-ignore TS6133import { expect } from "https://deno.land/x/expect@v0.2.6/mod.ts";const test = Deno.test;
import { util } from "../helpers/util.ts";import * as z from "../index.ts";
test("create enum", () => { const MyEnum = z.enum(["Red", "Green", "Blue"]); expect(MyEnum.Values.Red).toEqual("Red"); expect(MyEnum.Enum.Red).toEqual("Red"); expect(MyEnum.enum.Red).toEqual("Red");});
test("infer enum", () => { const MyEnum = z.enum(["Red", "Green", "Blue"]); type MyEnum = z.infer<typeof MyEnum>; util.assertEqual<MyEnum, "Red" | "Green" | "Blue">(true);});
test("get options", () => { expect(z.enum(["tuna", "trout"]).options).toEqual(["tuna", "trout"]);});
test("readonly enum", () => { const HTTP_SUCCESS = ["200", "201"] as const; const arg = z.enum(HTTP_SUCCESS); type arg = z.infer<typeof arg>; util.assertEqual<arg, "200" | "201">(true);
arg.parse("201"); expect(() => arg.parse("202")).toThrow();});
test("error params", () => { const result = z .enum(["test"], { required_error: "REQUIRED" }) .safeParse(undefined); expect(result.success).toEqual(false); if (!result.success) { expect(result.error.issues[0].message).toEqual("REQUIRED"); }});