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x/zod/__tests__/coerce.test.ts

TypeScript-first schema validation with static type inference
colinhacks/zod
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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";
test("string coercion", () => {  const schema = z.coerce.string();  expect(schema.parse("sup")).toEqual("sup");  expect(schema.parse("")).toEqual("");  expect(schema.parse(12)).toEqual("12");  expect(schema.parse(0)).toEqual("0");  expect(schema.parse(-12)).toEqual("-12");  expect(schema.parse(3.14)).toEqual("3.14");  expect(schema.parse(BigInt(15))).toEqual("15");  expect(schema.parse(NaN)).toEqual("NaN");  expect(schema.parse(Infinity)).toEqual("Infinity");  expect(schema.parse(-Infinity)).toEqual("-Infinity");  expect(schema.parse(true)).toEqual("true");  expect(schema.parse(false)).toEqual("false");  expect(schema.parse(null)).toEqual("null");  expect(schema.parse(undefined)).toEqual("undefined");  expect(schema.parse({ hello: "world!" })).toEqual("[object Object]");  expect(schema.parse(["item", "another_item"])).toEqual("item,another_item");  expect(schema.parse([])).toEqual("");  expect(schema.parse(new Date("2022-01-01T00:00:00.000Z"))).toEqual(    new Date("2022-01-01T00:00:00.000Z").toString()  );});
test("number coercion", () => {  const schema = z.coerce.number();  expect(schema.parse("12")).toEqual(12);  expect(schema.parse("0")).toEqual(0);  expect(schema.parse("-12")).toEqual(-12);  expect(schema.parse("3.14")).toEqual(3.14);  expect(schema.parse("")).toEqual(0);  expect(() => schema.parse("NOT_A_NUMBER")).toThrow(); // z.ZodError  expect(schema.parse(12)).toEqual(12);  expect(schema.parse(0)).toEqual(0);  expect(schema.parse(-12)).toEqual(-12);  expect(schema.parse(3.14)).toEqual(3.14);  expect(schema.parse(BigInt(15))).toEqual(15);  expect(() => schema.parse(NaN)).toThrow(); // z.ZodError  expect(schema.parse(Infinity)).toEqual(Infinity);  expect(schema.parse(-Infinity)).toEqual(-Infinity);  expect(schema.parse(true)).toEqual(1);  expect(schema.parse(false)).toEqual(0);  expect(schema.parse(null)).toEqual(0);  expect(() => schema.parse(undefined)).toThrow(); // z.ZodError  expect(() => schema.parse({ hello: "world!" })).toThrow(); // z.ZodError  expect(() => schema.parse(["item", "another_item"])).toThrow(); // z.ZodError  expect(schema.parse([])).toEqual(0);  expect(schema.parse(new Date(1670139203496))).toEqual(1670139203496);});
test("boolean coercion", () => {  const schema = z.coerce.boolean();  expect(schema.parse("true")).toEqual(true);  expect(schema.parse("false")).toEqual(true);  expect(schema.parse("0")).toEqual(true);  expect(schema.parse("1")).toEqual(true);  expect(schema.parse("")).toEqual(false);  expect(schema.parse(1)).toEqual(true);  expect(schema.parse(0)).toEqual(false);  expect(schema.parse(-1)).toEqual(true);  expect(schema.parse(3.14)).toEqual(true);  expect(schema.parse(BigInt(15))).toEqual(true);  expect(schema.parse(NaN)).toEqual(false);  expect(schema.parse(Infinity)).toEqual(true);  expect(schema.parse(-Infinity)).toEqual(true);  expect(schema.parse(true)).toEqual(true);  expect(schema.parse(false)).toEqual(false);  expect(schema.parse(null)).toEqual(false);  expect(schema.parse(undefined)).toEqual(false);  expect(schema.parse({ hello: "world!" })).toEqual(true);  expect(schema.parse(["item", "another_item"])).toEqual(true);  expect(schema.parse([])).toEqual(true);  expect(schema.parse(new Date(1670139203496))).toEqual(true);});
test("bigint coercion", () => {  const schema = z.coerce.bigint();  expect(schema.parse("5")).toEqual(BigInt(5));  expect(schema.parse("0")).toEqual(BigInt(0));  expect(schema.parse("-5")).toEqual(BigInt(-5));  expect(() => schema.parse("3.14")).toThrow(); // not a z.ZodError!  expect(schema.parse("")).toEqual(BigInt(0));  expect(() => schema.parse("NOT_A_NUMBER")).toThrow(); // not a z.ZodError!  expect(schema.parse(5)).toEqual(BigInt(5));  expect(schema.parse(0)).toEqual(BigInt(0));  expect(schema.parse(-5)).toEqual(BigInt(-5));  expect(() => schema.parse(3.14)).toThrow(); // not a z.ZodError!  expect(schema.parse(BigInt(5))).toEqual(BigInt(5));  expect(() => schema.parse(NaN)).toThrow(); // not a z.ZodError!  expect(() => schema.parse(Infinity)).toThrow(); // not a z.ZodError!  expect(() => schema.parse(-Infinity)).toThrow(); // not a z.ZodError!  expect(schema.parse(true)).toEqual(BigInt(1));  expect(schema.parse(false)).toEqual(BigInt(0));  expect(() => schema.parse(null)).toThrow(); // not a z.ZodError!  expect(() => schema.parse(undefined)).toThrow(); // not a z.ZodError!  expect(() => schema.parse({ hello: "world!" })).toThrow(); // not a z.ZodError!  expect(() => schema.parse(["item", "another_item"])).toThrow(); // not a z.ZodError!  expect(schema.parse([])).toEqual(BigInt(0));  expect(schema.parse(new Date(1670139203496))).toEqual(BigInt(1670139203496));});
test("date coercion", () => {  const schema = z.coerce.date();  expect(schema.parse(new Date().toDateString())).toBeInstanceOf(Date);  expect(schema.parse(new Date().toISOString())).toBeInstanceOf(Date);  expect(schema.parse(new Date().toUTCString())).toBeInstanceOf(Date);  expect(schema.parse("5")).toBeInstanceOf(Date);  expect(schema.parse("2000-01-01")).toBeInstanceOf(Date);  // expect(schema.parse("0")).toBeInstanceOf(Date);  // expect(schema.parse("-5")).toBeInstanceOf(Date);  // expect(schema.parse("3.14")).toBeInstanceOf(Date);  expect(() => schema.parse("")).toThrow(); // z.ZodError  expect(() => schema.parse("NOT_A_DATE")).toThrow(); // z.ZodError  expect(schema.parse(5)).toBeInstanceOf(Date);  expect(schema.parse(0)).toBeInstanceOf(Date);  expect(schema.parse(-5)).toBeInstanceOf(Date);  expect(schema.parse(3.14)).toBeInstanceOf(Date);  expect(() => schema.parse(BigInt(5))).toThrow(); // not a z.ZodError!  expect(() => schema.parse(NaN)).toThrow(); // z.ZodError  expect(() => schema.parse(Infinity)).toThrow(); // z.ZodError  expect(() => schema.parse(-Infinity)).toThrow(); // z.ZodError  expect(schema.parse(true)).toBeInstanceOf(Date);  expect(schema.parse(false)).toBeInstanceOf(Date);  expect(schema.parse(null)).toBeInstanceOf(Date);  expect(() => schema.parse(undefined)).toThrow(); // z.ZodError  expect(() => schema.parse({ hello: "world!" })).toThrow(); // z.ZodError  expect(() => schema.parse(["item", "another_item"])).toThrow(); // z.ZodError  expect(() => schema.parse([])).toThrow(); // z.ZodError  expect(schema.parse(new Date())).toBeInstanceOf(Date);});