diff --git a/apps/vs-code-designer/src/app/utils/codeless/__test__/getAuthorizationToken.test.ts b/apps/vs-code-designer/src/app/utils/codeless/__test__/getAuthorizationToken.test.ts
new file mode 100644
index 00000000000..5cb4f0521d9
--- /dev/null
+++ b/apps/vs-code-designer/src/app/utils/codeless/__test__/getAuthorizationToken.test.ts
@@ -0,0 +1,143 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { getAuthorizationToken, getAuthorizationTokenFromNode, getCloudHost } from '../getAuthorizationToken';
+
+// The module-level mock for '@microsoft/vscode-azext-azureauth/out/src/getSessionFromVSCode'
+// is aliased via vitest.config.ts to '__mocks__/vscode-azext-azureauth.ts'.
+// We import and spy on it to control return values per test.
+import * as azureAuth from '@microsoft/vscode-azext-azureauth/out/src/getSessionFromVSCode';
+import * as vscode from 'vscode';
+
+vi.mock('@microsoft/vscode-azext-azureauth', () => ({
+  getConfiguredAzureEnv: vi.fn(() => ({
+    managementEndpointUrl: 'https://management.azure.com',
+  })),
+}));
+
+describe('getAuthorizationToken', () => {
+  beforeEach(() => {
+    vi.restoreAllMocks();
+    // Mock vscode.workspace.getConfiguration to return a config with get()
+    vi.mocked(vscode.workspace.getConfiguration).mockReturnValue({
+      get: vi.fn(() => false),
+    } as any);
+  });
+
+  it('should return a Bearer token when session has an accessToken', async () => {
+    vi.spyOn(azureAuth, 'getSessionFromVSCode').mockResolvedValue({
+      accessToken: 'test-token-123',
+      id: 'session-1',
+      account: { id: 'account-1', label: 'Test' },
+      scopes: [],
+    } as any);
+
+    const token = await getAuthorizationToken('test-tenant');
+    expect(token).toBe('Bearer test-token-123');
+  });
+
+  it('should throw when session returns no accessToken', async () => {
+    vi.spyOn(azureAuth, 'getSessionFromVSCode').mockResolvedValue({
+      id: 'session-1',
+      account: { id: 'account-1', label: 'Test' },
+      scopes: [],
+    } as any);
+
+    await expect(getAuthorizationToken()).rejects.toThrow('No access token available');
+  });
+
+  it('should propagate errors when session acquisition fails', async () => {
+    vi.spyOn(azureAuth, 'getSessionFromVSCode').mockRejectedValue(new Error('Auth session expired'));
+
+    await expect(getAuthorizationToken()).rejects.toThrow('Auth session expired');
+  });
+
+  it('should pass tenantId to getSessionFromVSCode', async () => {
+    const spy = vi.spyOn(azureAuth, 'getSessionFromVSCode').mockResolvedValue({
+      accessToken: 'tenant-token',
+      id: 'session-1',
+      account: { id: 'account-1', label: 'Test' },
+      scopes: [],
+    } as any);
+
+    await getAuthorizationToken('specific-tenant-id');
+    expect(spy).toHaveBeenCalledWith(undefined, 'specific-tenant-id', expect.any(Object));
+  });
+});
+
+describe('getAuthorizationTokenFromNode', () => {
+  beforeEach(() => {
+    vi.restoreAllMocks();
+    vi.mocked(vscode.workspace.getConfiguration).mockReturnValue({
+      get: vi.fn(() => false),
+    } as any);
+  });
+
+  it('should throw when node is null/undefined', async () => {
+    await expect(getAuthorizationTokenFromNode(null as any)).rejects.toThrow();
+  });
+
+  it('should throw when node has no subscription', async () => {
+    const node = {} as any;
+    await expect(getAuthorizationTokenFromNode(node)).rejects.toThrow();
+  });
+
+  it('should return Bearer token from node subscription credentials', async () => {
+    const node = {
+      subscription: {
+        tenantId: 'tenant-1',
+        credentials: {
+          getToken: vi.fn().mockResolvedValue({ token: 'node-token-abc' }),
+        },
+      },
+    } as any;
+
+    const token = await getAuthorizationTokenFromNode(node);
+    expect(token).toBe('Bearer node-token-abc');
+  });
+
+  it('should fall back to getAuthorizationToken when credentials.getToken returns null', async () => {
+    vi.spyOn(azureAuth, 'getSessionFromVSCode').mockResolvedValue({
+      accessToken: 'fallback-token',
+      id: 'session-1',
+      account: { id: 'account-1', label: 'Test' },
+      scopes: [],
+    } as any);
+
+    const node = {
+      subscription: {
+        tenantId: 'tenant-1',
+        credentials: {
+          getToken: vi.fn().mockResolvedValue(null),
+        },
+      },
+    } as any;
+
+    const token = await getAuthorizationTokenFromNode(node);
+    expect(token).toBe('Bearer fallback-token');
+  });
+
+  it('should fall back to getAuthorizationToken when no credentials exist', async () => {
+    vi.spyOn(azureAuth, 'getSessionFromVSCode').mockResolvedValue({
+      accessToken: 'fallback-token-2',
+      id: 'session-1',
+      account: { id: 'account-1', label: 'Test' },
+      scopes: [],
+    } as any);
+
+    const node = {
+      subscription: {
+        tenantId: 'tenant-2',
+        credentials: undefined,
+      },
+    } as any;
+
+    const token = await getAuthorizationTokenFromNode(node);
+    expect(token).toBe('Bearer fallback-token-2');
+  });
+});
+
+describe('getCloudHost', () => {
+  it('should return the managementEndpointUrl from configured environment', async () => {
+    const host = await getCloudHost();
+    expect(host).toBe('https://management.azure.com');
+  });
+});
diff --git a/apps/vs-code-designer/src/app/utils/codeless/getAuthorizationToken.ts b/apps/vs-code-designer/src/app/utils/codeless/getAuthorizationToken.ts
index f581c4ad3a5..bebac41bee1 100644
--- a/apps/vs-code-designer/src/app/utils/codeless/getAuthorizationToken.ts
+++ b/apps/vs-code-designer/src/app/utils/codeless/getAuthorizationToken.ts
@@ -18,7 +18,10 @@ export async function getAuthData(tenantId?: string): Promise<AuthenticationSess
 
 export async function getAuthorizationToken(tenantId?: string): Promise<string> {
   const authData = await getAuthData(tenantId);
-  return `Bearer ${authData?.accessToken}`;
+  if (!authData?.accessToken) {
+    throw new Error(localize('noAccessToken', 'No access token available. Please sign in to Azure.'));
+  }
+  return `Bearer ${authData.accessToken}`;
 }
 
 /**