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x/zod/__tests__/set.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";import { ZodIssueCode } from "../index.ts";
const stringSet = z.set(z.string());type stringSet = z.infer<typeof stringSet>;
const minTwo = z.set(z.string()).min(2);const maxTwo = z.set(z.string()).max(2);const justTwo = z.set(z.string()).size(2);const nonEmpty = z.set(z.string()).nonempty();const nonEmptyMax = z.set(z.string()).nonempty().max(2);
test("type inference", () => { util.assertEqual<stringSet, Set<string>>(true);});
test("valid parse", () => { const result = stringSet.safeParse(new Set(["first", "second"])); expect(result.success).toEqual(true); if (result.success) { expect(result.data.has("first")).toEqual(true); expect(result.data.has("second")).toEqual(true); expect(result.data.has("third")).toEqual(false); }
expect(() => { minTwo.parse(new Set(["a", "b"])); minTwo.parse(new Set(["a", "b", "c"])); maxTwo.parse(new Set(["a", "b"])); maxTwo.parse(new Set(["a"])); justTwo.parse(new Set(["a", "b"])); nonEmpty.parse(new Set(["a"])); nonEmptyMax.parse(new Set(["a"])); }).not.toThrow();});
test("valid parse async", async () => { const result = await stringSet.spa(new Set(["first", "second"])); expect(result.success).toEqual(true); if (result.success) { expect(result.data.has("first")).toEqual(true); expect(result.data.has("second")).toEqual(true); expect(result.data.has("third")).toEqual(false); }
const asyncResult = await stringSet.safeParse(new Set(["first", "second"])); expect(asyncResult.success).toEqual(true); if (asyncResult.success) { expect(asyncResult.data.has("first")).toEqual(true); expect(asyncResult.data.has("second")).toEqual(true); expect(asyncResult.data.has("third")).toEqual(false); }});
test("valid parse: size-related methods", () => { expect(() => { minTwo.parse(new Set(["a", "b"])); minTwo.parse(new Set(["a", "b", "c"])); maxTwo.parse(new Set(["a", "b"])); maxTwo.parse(new Set(["a"])); justTwo.parse(new Set(["a", "b"])); nonEmpty.parse(new Set(["a"])); nonEmptyMax.parse(new Set(["a"])); }).not.toThrow();
const sizeZeroResult = stringSet.parse(new Set()); expect(sizeZeroResult.size).toBe(0);
const sizeTwoResult = minTwo.parse(new Set(["a", "b"])); expect(sizeTwoResult.size).toBe(2);});
test("failing when parsing empty set in nonempty ", () => { const result = nonEmpty.safeParse(new Set()); expect(result.success).toEqual(false);
if (result.success === false) { expect(result.error.issues.length).toEqual(1); expect(result.error.issues[0].code).toEqual(ZodIssueCode.too_small); }});
test("failing when set is smaller than min() ", () => { const result = minTwo.safeParse(new Set(["just_one"])); expect(result.success).toEqual(false);
if (result.success === false) { expect(result.error.issues.length).toEqual(1); expect(result.error.issues[0].code).toEqual(ZodIssueCode.too_small); }});
test("failing when set is bigger than max() ", () => { const result = maxTwo.safeParse(new Set(["one", "two", "three"])); expect(result.success).toEqual(false);
if (result.success === false) { expect(result.error.issues.length).toEqual(1); expect(result.error.issues[0].code).toEqual(ZodIssueCode.too_big); }});
test("doesn’t throw when an empty set is given", () => { const result = stringSet.safeParse(new Set([])); expect(result.success).toEqual(true);});
test("throws when a Map is given", () => { const result = stringSet.safeParse(new Map([])); expect(result.success).toEqual(false); if (result.success === false) { expect(result.error.issues.length).toEqual(1); expect(result.error.issues[0].code).toEqual(ZodIssueCode.invalid_type); }});
test("throws when the given set has invalid input", () => { const result = stringSet.safeParse(new Set([Symbol()])); expect(result.success).toEqual(false); if (result.success === false) { expect(result.error.issues.length).toEqual(1); expect(result.error.issues[0].code).toEqual(ZodIssueCode.invalid_type); expect(result.error.issues[0].path).toEqual([0]); }});
test("throws when the given set has multiple invalid entries", () => { const result = stringSet.safeParse(new Set([1, 2] as any[]) as Set<any>);
expect(result.success).toEqual(false); if (result.success === false) { expect(result.error.issues.length).toEqual(2); expect(result.error.issues[0].code).toEqual(ZodIssueCode.invalid_type); expect(result.error.issues[0].path).toEqual([0]); expect(result.error.issues[1].code).toEqual(ZodIssueCode.invalid_type); expect(result.error.issues[1].path).toEqual([1]); }});