Updated

Author: Henrichy

frontend/src/__tests__/setup.ts

@@ -1 +1,30 @@
 import '@testing-library/jest-dom';
+import { vi } from 'vitest';
+
+const localStorageMock = (() => {
+  let store: Record<string, string> = {};
+  return {
+    getItem: vi.fn((key: string) => store[key] || null),
+    setItem: vi.fn((key: string, value: string) => {
+      store[key] = value.toString();
+    }),
+    clear: vi.fn(() => {
+      store = {};
+    }),
+    removeItem: vi.fn((key: string) => {
+      delete store[key];
+    }),
+    key: vi.fn((index: number) => Object.keys(store)[index] || null),
+    length: 0,
+  };
+})();
+
+vi.stubGlobal('localStorage', localStorageMock);
+if (typeof window !== 'undefined') {
+  Object.defineProperty(window, 'localStorage', {
+    value: localStorageMock,
+    configurable: true,
+    writable: true,
+  });
+}
+

frontend/src/components/stream-creation/StreamCreationWizard.tsx

@@ -321,7 +321,7 @@ export const StreamCreationWizard: React.FC<StreamCreationWizardProps> = ({
         setCurrentStep(currentStep + 1);
         // Scroll to top when moving to next step
         const modal = document.querySelector('.glass-card');
-        if (modal) {
+        if (modal && typeof modal.scrollTo === 'function') {
           modal.scrollTo({ top: 0, behavior: 'smooth' });
         }
       }
@@ -338,7 +338,9 @@ export const StreamCreationWizard: React.FC<StreamCreationWizardProps> = ({
     if (currentStep > 1) {
       setCurrentStep(currentStep - 1);
       // Scroll to top when going back
-      window.scrollTo({ top: 0, behavior: 'smooth' });
+      if (typeof window.scrollTo === 'function') {
+        window.scrollTo({ top: 0, behavior: 'smooth' });
+      }
     }
   };
 

frontend/src/test-setup.ts

@@ -1 +1,30 @@
 import '@testing-library/jest-dom';
+import { vi } from 'vitest';
+
+const localStorageMock = (() => {
+  let store: Record<string, string> = {};
+  return {
+    getItem: vi.fn((key: string) => store[key] || null),
+    setItem: vi.fn((key: string, value: string) => {
+      store[key] = value.toString();
+    }),
+    clear: vi.fn(() => {
+      store = {};
+    }),
+    removeItem: vi.fn((key: string) => {
+      delete store[key];
+    }),
+    key: vi.fn((index: number) => Object.keys(store)[index] || null),
+    length: 0,
+  };
+})();
+
+vi.stubGlobal('localStorage', localStorageMock);
+if (typeof window !== 'undefined') {
+  Object.defineProperty(window, 'localStorage', {
+    value: localStorageMock,
+    configurable: true,
+    writable: true,
+  });
+}
+