diff --git a/phpmyfaq/admin/assets/src/utils/session.test.ts b/phpmyfaq/admin/assets/src/utils/session.test.ts
new file mode 100644
index 0000000000..50cd2377e5
--- /dev/null
+++ b/phpmyfaq/admin/assets/src/utils/session.test.ts
@@ -0,0 +1,47 @@
+import { describe, it, expect, vi, afterEach } from 'vitest';
+import { handleSessionTimeout } from './session';
+
+vi.mock('bootstrap', () => ({
+  Modal: vi.fn().mockImplementation(() => ({
+    show: vi.fn(),
+    hide: vi.fn(),
+  })),
+}));
+
+describe('Session Utils', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('handleSessionTimeout', () => {
+    it('should observe attribute changes and reload page on button click', () => {
+      document.body.innerHTML = `
+        <div id="pmf-show-session-warning" data-value="hide"></div>
+        <div id="sessionWarningModal"></div>
+        <button id="pmf-button-reload-page"></button>
+      `;
+
+      const mockObserver = {
+        observe: vi.fn(),
+        disconnect: vi.fn(),
+        takeRecords: vi.fn(),
+      };
+      global.MutationObserver = vi.fn(() => mockObserver) as unknown as typeof MutationObserver;
+
+      const mockReload = vi.fn();
+      Object.defineProperty(global, 'location', {
+        value: {
+          reload: mockReload,
+        },
+        writable: true,
+      });
+
+      handleSessionTimeout();
+
+      expect(mockObserver.observe).toHaveBeenCalled();
+      const reloadButton = document.getElementById('pmf-button-reload-page');
+      reloadButton?.click();
+      expect(mockReload).toHaveBeenCalled();
+    });
+  });
+});
diff --git a/phpmyfaq/admin/assets/src/utils/sidebar.test.ts b/phpmyfaq/admin/assets/src/utils/sidebar.test.ts
new file mode 100644
index 0000000000..e3059cfb6a
--- /dev/null
+++ b/phpmyfaq/admin/assets/src/utils/sidebar.test.ts
@@ -0,0 +1,43 @@
+import { describe, it, expect, vi, afterEach } from 'vitest';
+import { sidebarToggle } from './sidebar';
+
+describe('Sidebar Utils', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('sidebarToggle', () => {
+    it('should toggle sidebar class and update localStorage on button click', () => {
+      document.body.innerHTML = `
+        <button id="sidebarToggle"></button>
+      `;
+
+      const mockSetItem = vi.fn();
+      Object.defineProperty(global, 'localStorage', {
+        value: {
+          setItem: mockSetItem,
+        },
+        writable: true,
+      });
+
+      sidebarToggle();
+
+      const toggleButton = document.getElementById('sidebarToggle');
+      toggleButton?.click();
+
+      expect(document.body.classList.contains('pmf-admin-sidenav-toggled')).toBe(true);
+      expect(mockSetItem).toHaveBeenCalledWith('sb|sidebar-toggle', 'true');
+
+      toggleButton?.click();
+
+      expect(document.body.classList.contains('pmf-admin-sidenav-toggled')).toBe(false);
+      expect(mockSetItem).toHaveBeenCalledWith('sb|sidebar-toggle', 'false');
+    });
+
+    it('should not throw an error if sidebarToggle button is not found', () => {
+      document.body.innerHTML = ``;
+
+      expect(() => sidebarToggle()).not.toThrow();
+    });
+  });
+});
diff --git a/phpmyfaq/admin/assets/src/utils/utils.test.ts b/phpmyfaq/admin/assets/src/utils/utils.test.ts
new file mode 100644
index 0000000000..09b5ab4979
--- /dev/null
+++ b/phpmyfaq/admin/assets/src/utils/utils.test.ts
@@ -0,0 +1,69 @@
+import { describe, it, expect, vi, afterEach } from 'vitest';
+import { selectAll, unSelectAll, formatBytes, initializeTooltips } from './utils';
+import { Tooltip } from 'bootstrap';
+
+vi.mock('bootstrap', () => ({
+  Tooltip: vi.fn(),
+}));
+
+describe('Utils', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('selectAll', () => {
+    it('should select all options in the select element', () => {
+      document.body.innerHTML = `
+        <select id="testSelect" multiple>
+          <option value="1">Option 1</option>
+          <option value="2">Option 2</option>
+        </select>
+      `;
+
+      selectAll('testSelect');
+
+      const selectElement = document.getElementById('testSelect') as HTMLSelectElement;
+      for (const option of selectElement.options) {
+        expect(option.selected).toBe(true);
+      }
+    });
+  });
+
+  describe('unSelectAll', () => {
+    it('should unselect all options in the select element', () => {
+      document.body.innerHTML = `
+        <select id="testSelect" multiple>
+          <option value="1" selected>Option 1</option>
+          <option value="2" selected>Option 2</option>
+        </select>
+      `;
+
+      unSelectAll('testSelect');
+
+      const selectElement = document.getElementById('testSelect') as HTMLSelectElement;
+      for (const option of selectElement.options) {
+        expect(option.selected).toBe(false);
+      }
+    });
+  });
+
+  describe('formatBytes', () => {
+    it('should format bytes correctly', () => {
+      expect(formatBytes(1024)).toBe('1 KiB');
+      expect(formatBytes(1048576)).toBe('1 MiB');
+      expect(formatBytes(0)).toBe('0 Bytes');
+    });
+  });
+
+  describe('initializeTooltips', () => {
+    it('should initialize tooltips', () => {
+      document.body.innerHTML = `
+        <div data-bs-toggle="tooltip" title="Tooltip text"></div>
+      `;
+
+      initializeTooltips();
+
+      expect(vi.mocked(Tooltip)).toHaveBeenCalled();
+    });
+  });
+});