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x/zod/__tests__/readonly.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";
enum testEnum { A, B,}
const schemas = [ z.string().readonly(), z.number().readonly(), z.nan().readonly(), z.bigint().readonly(), z.boolean().readonly(), z.date().readonly(), z.undefined().readonly(), z.null().readonly(), z.any().readonly(), z.unknown().readonly(), z.void().readonly(), z.function().args(z.string(), z.number()).readonly(),
z.array(z.string()).readonly(), z.tuple([z.string(), z.number()]).readonly(), z.map(z.string(), z.date()).readonly(), z.set(z.promise(z.string())).readonly(), z.record(z.string()).readonly(), z.record(z.string(), z.number()).readonly(), z.object({ a: z.string(), 1: z.number() }).readonly(), z.nativeEnum(testEnum).readonly(), z.promise(z.string()).readonly(),] as const;
test("flat inference", () => { util.assertEqual<z.infer<(typeof schemas)[0]>, string>(true); util.assertEqual<z.infer<(typeof schemas)[1]>, number>(true); util.assertEqual<z.infer<(typeof schemas)[2]>, number>(true); util.assertEqual<z.infer<(typeof schemas)[3]>, bigint>(true); util.assertEqual<z.infer<(typeof schemas)[4]>, boolean>(true); util.assertEqual<z.infer<(typeof schemas)[5]>, Date>(true); util.assertEqual<z.infer<(typeof schemas)[6]>, undefined>(true); util.assertEqual<z.infer<(typeof schemas)[7]>, null>(true); util.assertEqual<z.infer<(typeof schemas)[8]>, any>(true); util.assertEqual<z.infer<(typeof schemas)[9]>, Readonly<unknown>>(true); util.assertEqual<z.infer<(typeof schemas)[10]>, void>(true); util.assertEqual< z.infer<(typeof schemas)[11]>, (args_0: string, args_1: number, ...args_2: unknown[]) => unknown >(true); util.assertEqual<z.infer<(typeof schemas)[12]>, readonly string[]>(true);
util.assertEqual<z.infer<(typeof schemas)[13]>, readonly [string, number]>( true ); util.assertEqual<z.infer<(typeof schemas)[14]>, ReadonlyMap<string, Date>>( true ); util.assertEqual<z.infer<(typeof schemas)[15]>, ReadonlySet<Promise<string>>>( true ); util.assertEqual< z.infer<(typeof schemas)[16]>, Readonly<Record<string, string>> >(true); util.assertEqual< z.infer<(typeof schemas)[17]>, Readonly<Record<string, number>> >(true); util.assertEqual< z.infer<(typeof schemas)[18]>, { readonly a: string; readonly 1: number } >(true); util.assertEqual<z.infer<(typeof schemas)[19]>, Readonly<testEnum>>(true); util.assertEqual<z.infer<(typeof schemas)[20]>, Promise<string>>(true);});
// test("deep inference", () => {// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[0]>, string>(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[1]>, number>(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[2]>, number>(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[3]>, bigint>(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[4]>, boolean>(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[5]>, Date>(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[6]>, undefined>(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[7]>, null>(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[8]>, any>(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[9]>,// Readonly<unknown>// >(true);// util.assertEqual<z.infer<(typeof deepReadonlySchemas_0)[10]>, void>(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[11]>,// (args_0: string, args_1: number, ...args_2: unknown[]) => unknown// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[12]>,// readonly string[]// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[13]>,// readonly [string, number]// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[14]>,// ReadonlyMap<string, Date>// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[15]>,// ReadonlySet<Promise<string>>// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[16]>,// Readonly<Record<string, string>>// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[17]>,// Readonly<Record<string, number>>// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[18]>,// { readonly a: string; readonly 1: number }// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[19]>,// Readonly<testEnum>// >(true);// util.assertEqual<// z.infer<(typeof deepReadonlySchemas_0)[20]>,// Promise<string>// >(true);
// util.assertEqual<// z.infer<typeof crazyDeepReadonlySchema>,// ReadonlyMap<// ReadonlySet<readonly [string, number]>,// {// readonly a: {// readonly [x: string]: readonly any[];// };// readonly b: {// readonly c: {// readonly d: {// readonly e: {// readonly f: {// readonly g?: {};// };// };// };// };// };// }// >// >(true);// });
test("object freezing", () => { expect(Object.isFrozen(z.array(z.string()).readonly().parse(["a"]))).toBe( true ); expect( Object.isFrozen( z.tuple([z.string(), z.number()]).readonly().parse(["a", 1]) ) ).toBe(true); expect( Object.isFrozen( z .map(z.string(), z.date()) .readonly() .parse(new Map([["a", new Date()]])) ) ).toBe(true); expect( Object.isFrozen( z .set(z.promise(z.string())) .readonly() .parse(new Set([Promise.resolve("a")])) ) ).toBe(true); expect( Object.isFrozen(z.record(z.string()).readonly().parse({ a: "b" })) ).toBe(true); expect( Object.isFrozen(z.record(z.string(), z.number()).readonly().parse({ a: 1 })) ).toBe(true); expect( Object.isFrozen( z .object({ a: z.string(), 1: z.number() }) .readonly() .parse({ a: "b", 1: 2 }) ) ).toBe(true); expect( Object.isFrozen( z.promise(z.string()).readonly().parse(Promise.resolve("a")) ) ).toBe(true);});