chore: add uid_prefix to config for test suites

Author: paoloricciuti

packages/svelte/src/server/index.d.ts

@@ -12,10 +12,18 @@ export function render<
 	...args: {} extends Props
 		? [
 				component: Comp extends SvelteComponent<any> ? ComponentType<Comp> : Comp,
-				options?: { props?: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any> }
+				options?: {
+					props?: Omit<Props, '$$slots' | '$$events'>;
+					context?: Map<any, any>;
+					uidPrefix?: string;
+				}
 			]
 		: [
 				component: Comp extends SvelteComponent<any> ? ComponentType<Comp> : Comp,
-				options: { props: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any> }
+				options: {
+					props: Omit<Props, '$$slots' | '$$events'>;
+					context?: Map<any, any>;
+					uidPrefix?: string;
+				}
 			]
 ): RenderOutput;

packages/svelte/tests/hydration/test.ts

@@ -13,6 +13,7 @@ import { flushSync } from 'svelte';
 interface HydrationTest extends BaseTest {
 	load_compiled?: boolean;
 	server_props?: Record<string, any>;
+	uid_prefix?: string;
 	props?: Record<string, any>;
 	compileOptions?: Partial<CompileOptions>;
 	/**
@@ -50,7 +51,8 @@ const { test, run } = suite<HydrationTest>(async (config, cwd) => {
 	const head = window.document.head;
 
 	const rendered = render((await import(`${cwd}/_output/server/main.svelte.js`)).default, {
-		props: config.server_props ?? config.props ?? {}
+		props: config.server_props ?? config.props ?? {},
+		uidPrefix: config?.uid_prefix
 	});
 
 	const override = read(`${cwd}/_override.html`);

packages/svelte/tests/runtime-browser/assert.js

@@ -119,6 +119,7 @@ function normalize_children(node) {
  *  skip_mode?: Array<'server' | 'client' | 'hydrate'>;
  *	html?: string;
  *	ssrHtml?: string;
+ *	uid_prefix?: string;
  *	props?: Props;
  *	compileOptions?: Partial<CompileOptions>;
  *	test?: (args: {

packages/svelte/tests/runtime-browser/driver-ssr.js

@@ -6,5 +6,5 @@ import config from '__CONFIG__';
 import { render } from 'svelte/server';
 
 export default function () {
-	return render(SvelteComponent, { props: config.props || {} });
+	return render(SvelteComponent, { props: config.props || {}, prefixUid: config.prefixUid });
 }

packages/svelte/tests/runtime-browser/test-ssr.ts

@@ -20,7 +20,7 @@ export async function run_ssr_test(
 		await compile_directory(test_dir, 'server', config.compileOptions);
 
 		const Component = (await import(`${test_dir}/_output/server/main.svelte.js`)).default;
-		const { body } = render(Component, { props: config.props || {} });
+		const { body } = render(Component, { props: config.props || {}, uidPrefix: config.uid_prefix });
 
 		fs.writeFileSync(`${test_dir}/_output/rendered.html`, body);
 

packages/svelte/tests/server-side-rendering/test.ts

@@ -15,6 +15,7 @@ import type { CompileOptions } from '#compiler';
 interface SSRTest extends BaseTest {
 	compileOptions?: Partial<CompileOptions>;
 	props?: Record<string, any>;
+	uid_prefix?: string;
 	withoutNormalizeHtml?: boolean;
 	errors?: string[];
 }
@@ -33,7 +34,7 @@ const { test, run } = suite<SSRTest>(async (config, test_dir) => {
 
 	const Component = (await import(`${test_dir}/_output/server/main.svelte.js`)).default;
 	const expected_html = try_read_file(`${test_dir}/_expected.html`);
-	const rendered = render(Component, { props: config.props || {} });
+	const rendered = render(Component, { props: config.props || {}, uidPrefix: config.uid_prefix });
 	const { body, head } = rendered;
 
 	fs.writeFileSync(`${test_dir}/_output/rendered.html`, body);

packages/svelte/types/index.d.ts

@@ -2080,11 +2080,19 @@ declare module 'svelte/server' {
 		...args: {} extends Props
 			? [
 					component: Comp extends SvelteComponent<any> ? ComponentType<Comp> : Comp,
-					options?: { props?: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any> }
+					options?: {
+						props?: Omit<Props, '$$slots' | '$$events'>;
+						context?: Map<any, any>;
+						uidPrefix?: string;
+					}
 				]
 			: [
 					component: Comp extends SvelteComponent<any> ? ComponentType<Comp> : Comp,
-					options: { props: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any> }
+					options: {
+						props: Omit<Props, '$$slots' | '$$events'>;
+						context?: Map<any, any>;
+						uidPrefix?: string;
+					}
 				]
 	): RenderOutput;
 	interface RenderOutput {