diff --git a/libs/angular/src/auth/functions/unauth-ui-refresh-redirect.spec.ts b/libs/angular/src/auth/functions/unauth-ui-refresh-redirect.spec.ts
new file mode 100644
index 0000000000..5fc904a5b9
--- /dev/null
+++ b/libs/angular/src/auth/functions/unauth-ui-refresh-redirect.spec.ts
@@ -0,0 +1,55 @@
+import { TestBed } from "@angular/core/testing";
+import { Router, UrlTree } from "@angular/router";
+import { mock, MockProxy } from "jest-mock-extended";
+
+import { FeatureFlag } from "@bitwarden/common/enums/feature-flag.enum";
+import { ConfigService } from "@bitwarden/common/platform/abstractions/config/config.service";
+
+import { unauthUiRefreshRedirect } from "./unauth-ui-refresh-redirect";
+
+describe("unauthUiRefreshRedirect", () => {
+  let configService: MockProxy<ConfigService>;
+  let router: MockProxy<Router>;
+
+  beforeEach(() => {
+    configService = mock<ConfigService>();
+    router = mock<Router>();
+
+    TestBed.configureTestingModule({
+      providers: [
+        { provide: ConfigService, useValue: configService },
+        { provide: Router, useValue: router },
+      ],
+    });
+  });
+
+  it("returns true when UnauthenticatedExtensionUIRefresh flag is disabled", async () => {
+    configService.getFeatureFlag.mockResolvedValue(false);
+
+    const result = await TestBed.runInInjectionContext(() =>
+      unauthUiRefreshRedirect("/redirect")(),
+    );
+
+    expect(result).toBe(true);
+    expect(configService.getFeatureFlag).toHaveBeenCalledWith(
+      FeatureFlag.UnauthenticatedExtensionUIRefresh,
+    );
+    expect(router.parseUrl).not.toHaveBeenCalled();
+  });
+
+  it("returns UrlTree when UnauthenticatedExtensionUIRefresh flag is enabled", async () => {
+    const mockUrlTree = mock<UrlTree>();
+    configService.getFeatureFlag.mockResolvedValue(true);
+    router.parseUrl.mockReturnValue(mockUrlTree);
+
+    const result = await TestBed.runInInjectionContext(() =>
+      unauthUiRefreshRedirect("/redirect")(),
+    );
+
+    expect(result).toBe(mockUrlTree);
+    expect(configService.getFeatureFlag).toHaveBeenCalledWith(
+      FeatureFlag.UnauthenticatedExtensionUIRefresh,
+    );
+    expect(router.parseUrl).toHaveBeenCalledWith("/redirect");
+  });
+});