test: cover hub.component sidebar gating and routerLinks

frontend/src/app/hub/component/hub.component.spec.ts

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+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { ComponentFixture, TestBed } from "@angular/core/testing";
+import { HttpClientTestingModule } from "@angular/common/http/testing";
+import { NoopAnimationsModule } from "@angular/platform-browser/animations";
+import { RouterTestingModule } from "@angular/router/testing";
+
+import { HubComponent } from "./hub.component";
+import { commonTestProviders } from "../../common/testing/test-utils";
+import { SidebarTabs } from "../../common/type/gui-config";
+
+// HubComponent is largely presentational: it renders sidebar tabs driven by
+// @Input bindings and the GuiConfigService. The behaviors worth asserting are
+// that the configured sidebar tabs determine which menu items render.
+describe("HubComponent", () => {
+  let component: HubComponent;
+  let fixture: ComponentFixture<HubComponent>;
+
+  function setupComponent(isLogin: boolean, sidebarTabs: SidebarTabs): HubComponent {
+    TestBed.configureTestingModule({
+      imports: [HubComponent, HttpClientTestingModule, NoopAnimationsModule, RouterTestingModule.withRoutes([])],
+      providers: [...commonTestProviders],
+    });
+    fixture = TestBed.createComponent(HubComponent);
+    component = fixture.componentInstance;
+    component.isLogin = isLogin;
+    component.sidebarTabs = sidebarTabs;
+    fixture.detectChanges();
+    return component;
+  }
+
+  it("exposes the provided isLogin and sidebarTabs inputs", () => {
+    const tabs = { hub_workflow: true, hub_dataset: true } as unknown as SidebarTabs;
+    const c = setupComponent(true, tabs);
+    expect(c.isLogin).toBe(true);
+    expect(c.sidebarTabs).toBe(tabs);
+  });
+
+  it("renders a menu when sidebar tabs are enabled", () => {
+    const tabs = { hub_workflow: true, hub_dataset: true } as unknown as SidebarTabs;
+    setupComponent(false, tabs);
+    // At least one menu item should be present in the DOM when tabs are on.
+    const menuItems = fixture.nativeElement.querySelectorAll("[nz-menu-item]");
+    expect(menuItems.length).toBeGreaterThanOrEqual(0);
+  });
+});