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x/zod/__tests__/literal.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 * as z from "../index.ts";
const literalTuna = z.literal("tuna");const literalFortyTwo = z.literal(42);const literalTrue = z.literal(true);
const terrificSymbol = Symbol("terrific");const literalTerrificSymbol = z.literal(terrificSymbol);
test("passing validations", () => { literalTuna.parse("tuna"); literalFortyTwo.parse(42); literalTrue.parse(true); literalTerrificSymbol.parse(terrificSymbol);});
test("failing validations", () => { expect(() => literalTuna.parse("shark")).toThrow(); expect(() => literalFortyTwo.parse(43)).toThrow(); expect(() => literalTrue.parse(false)).toThrow(); expect(() => literalTerrificSymbol.parse(Symbol("terrific"))).toThrow();});
test("invalid_literal should have `received` field with data", () => { const data = "shark"; const result = literalTuna.safeParse(data); if (!result.success) { const issue = result.error.issues[0]; if (issue.code === "invalid_literal") { expect(issue.received).toBe(data); } }});