Added another test.

Fixes #516

src/tests/zodUnion.test.ts

@@ -1,39 +1,52 @@
+import type { ValidationAdapter } from '$lib/adapters/adapters.js';
 import { zod } from '$lib/adapters/zod.js';
 import { superValidate } from '$lib/superValidate.js';
 import { stringify } from 'devalue';
-import { describe, test } from 'vitest';
+import { describe, expect, test } from 'vitest';
 import { z } from 'zod';
 
-const ZodSchema = z.object({
-	addresses: z.object({
-		additional: z.discriminatedUnion('type', [
-			z.object({
-				type: z.literal('poBox'),
-				name: z.string().min(1, 'min len').max(10, 'max len')
-			}),
-			z.object({
-				type: z.literal('none')
-			})
-		])
-	})
-});
-const FormSchema = zod(ZodSchema);
-type FormSchema = (typeof FormSchema)['defaults'];
-
-async function validate(data: unknown) {
+async function validate(data: unknown, schema: ValidationAdapter<Record<string, unknown>>) {
 	const formInput = new FormData();
 
 	formInput.set('__superform_json', stringify(data));
 	try {
-		await superValidate(formInput, FormSchema);
+		return await superValidate(formInput, schema);
 	} catch (err) {
 		console.error(err);
 		//
 		throw err;
 	}
 }
 
-describe('Demo', () => {
+describe('Default discriminated union values 1', () => {
+	const schema = z.discriminatedUnion('type', [
+		z.object({ type: z.literal('empty') }),
+		z.object({ type: z.literal('extra'), options: z.string().array() })
+	]);
+
+	test('Union with schema', async () => {
+		const form = await validate({ type: 'extra' }, zod(schema));
+		expect(form.data).toEqual({ type: 'extra', options: [] });
+	});
+});
+
+describe('Default discriminated union values 2', () => {
+	const ZodSchema = z.object({
+		addresses: z.object({
+			additional: z.discriminatedUnion('type', [
+				z.object({
+					type: z.literal('poBox'),
+					name: z.string().min(1, 'min len').max(10, 'max len')
+				}),
+				z.object({
+					type: z.literal('none')
+				})
+			])
+		})
+	});
+	const FormSchema = zod(ZodSchema);
+	type FormSchema = (typeof FormSchema)['defaults'];
+
 	test('Bad', async () => {
 		const data = {
 			addresses: {
@@ -43,7 +56,7 @@ describe('Demo', () => {
 				}
 			}
 		} satisfies FormSchema;
-		await validate(data);
+		await validate(data, FormSchema);
 	});
 
 	test('Good', async () => {
@@ -54,6 +67,6 @@ describe('Demo', () => {
 				}
 			}
 		} satisfies FormSchema;
-		await validate(data);
+		await validate(data, FormSchema);
 	});
 });