custom.test.ts•950 B
// @ts-ignore TS6133
import { expect, test } from "vitest";
import * as z from "zod/v3";
test("passing validations", () => {
const example1 = z.custom<number>((x) => typeof x === "number");
example1.parse(1234);
expect(() => example1.parse({})).toThrow();
});
test("string params", () => {
const example1 = z.custom<number>((x) => typeof x !== "number", "customerr");
const result = example1.safeParse(1234);
expect(result.success).toEqual(false);
// @ts-ignore
expect(JSON.stringify(result.error).includes("customerr")).toEqual(true);
});
test("async validations", async () => {
const example1 = z.custom<number>(async (x) => {
return typeof x === "number";
});
const r1 = await example1.safeParseAsync(1234);
expect(r1.success).toEqual(true);
expect(r1.data).toEqual(1234);
const r2 = await example1.safeParseAsync("asdf");
expect(r2.success).toEqual(false);
expect(r2.error!.issues.length).toEqual(1);
});