1 files changed, 19 insertions, 4 deletions
diff --git a/tests/browser-support.ts b/tests/browser-support.ts
index 223b2b8..d4ecef9 100644
--- a/tests/browser-support.ts
+++ b/tests/browser-support.ts
@@ -14,7 +14,7 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import assert from 'node:assert/strict';
-import type { Server } from 'node:http';
+import { createServer, type IncomingMessage, type Server, type ServerResponse } from 'node:http';
 
 export function required<T>(value: T | undefined | null, message: string): T {
     assert.ok(value !== undefined && value !== null, message);
@@ -43,8 +43,8 @@ export function list(value: unknown): unknown[] {
 
 export function serverOrigin(server: Server): string {
     const address = server.address();
-    assert.ok(address && typeof address !== 'string');
-    return `http://127.0.0.1:${address.port}`;
+    assert.ok(address !== null && typeof address !== 'string');
+    return `http://127.0.0.1:${String(address.port)}`;
 }
 
 export function requestBody(text: string): { op: string; count: number; [key: string]: unknown } {
@@ -54,7 +54,7 @@ export function requestBody(text: string): { op: string; count: number; [key: st
 
 export function libreJSAddon(text: string): { active: boolean; version: string } {
     const addon = list(record(JSON.parse(text))['addons']).map(record).find(value => value['id'] === 'jid1-KtlZuoiikVfFew@jetpack');
-    assert.ok(addon);
+    assert.ok((addon !== undefined));
     assert.equal(addon['active'], true);
     return { active: true, version: string(addon['version']) };
 }
@@ -63,3 +63,18 @@ declare global {
     interface Window { unlicensedControl?: boolean; chatInjection?: boolean }
     const wasm: Promise<ArrayBuffer>;
 }
+
+export function asyncServer(handler: (request: IncomingMessage, response: ServerResponse) => Promise<void>): Server {
+    return createServer((request, response) => {
+        handler(request, response).catch((error: unknown) => {
+            response.destroy(error instanceof Error ? error : new Error('Fixture request failed', { cause: error }));
+        });
+    });
+}
+
+export function closeBrowser(browser: { close(): Promise<void> }): void {
+    browser.close().catch((error: unknown) => {
+        process.exitCode = 1;
+        process.stderr.write(`Browser shutdown failed: ${String(error)}\n`);
+    });
+}