/opt/canhelp/node_modules/zod/src/v4/classic/tests
Edit: /opt/canhelp/node_modules/zod/src/v4/classic/tests/set.test.ts (5572B)
import { expect, expectTypeOf, test } from "vitest";
import * as z from "zod/v4";
const stringSet = z.set(z.string());
type stringSet = z.infer
;
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", () => {
expectTypeOf().toEqualTypeOf>();
});
test("valid parse", () => {
const result = stringSet.safeParse(new Set(["first", "second"]));
expect(result.success).toEqual(true);
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);
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);
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);
expect(result.error!.issues.length).toEqual(1);
expect(result.error!.issues[0].code).toEqual("too_small");
});
test("failing when set is smaller than min() ", () => {
const result = minTwo.safeParse(new Set(["just_one"]));
expect(result.success).toEqual(false);
expect(result.error!.issues.length).toEqual(1);
expect(result.error!.issues[0].code).toEqual("too_small");
});
test("failing when set is bigger than max() ", () => {
const result = maxTwo.safeParse(new Set(["one", "two", "three"]));
expect(result.success).toEqual(false);
expect(result.error!.issues.length).toEqual(1);
expect(result.error!.issues[0].code).toEqual("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);
expect(result.error).toMatchInlineSnapshot(`
[ZodError: [
{
"expected": "set",
"code": "invalid_type",
"path": [],
"message": "Invalid input: expected set, received Map"
}
]]
`);
});
test("throws when the given set has invalid input", () => {
const result = stringSet.safeParse(new Set([Symbol()]));
expect(result.success).toEqual(false);
expect(result.error!.issues.length).toEqual(1);
expect(result.error).toMatchInlineSnapshot(`
[ZodError: [
{
"expected": "string",
"code": "invalid_type",
"path": [],
"message": "Invalid input: expected string, received symbol"
}
]]
`);
});
test("throws when the given set has multiple invalid entries", () => {
const result = stringSet.safeParse(new Set([1, 2] as any[]));
expect(result.success).toEqual(false);
expect(result.error!.issues.length).toEqual(2);
expect(result.error).toMatchInlineSnapshot(`
[ZodError: [
{
"expected": "string",
"code": "invalid_type",
"path": [],
"message": "Invalid input: expected string, received number"
},
{
"expected": "string",
"code": "invalid_type",
"path": [],
"message": "Invalid input: expected string, received number"
}
]]
`);
});
test("min/max", async () => {
const schema = z.set(z.string()).min(4).max(5);
const r1 = schema.safeParse(new Set(["a", "b", "c", "d"]));
expect(r1.success).toEqual(true);
const r2 = schema.safeParse(new Set(["a", "b", "c"]));
expect(r2.success).toEqual(false);
expect(r2.error!.issues).toMatchInlineSnapshot(`
[
{
"code": "too_small",
"message": "Too small: expected set to have >4 items",
"minimum": 4,
"origin": "set",
"path": [],
},
]
`);
const r3 = schema.safeParse(new Set(["a", "b", "c", "d", "e", "f"]));
expect(r3.success).toEqual(false);
expect(r3.error!.issues).toMatchInlineSnapshot(`
[
{
"code": "too_big",
"maximum": 5,
"message": "Too big: expected set to have <5 items",
"origin": "set",
"path": [],
},
]
`);
});