<%# Copyright 2013-2026 the original author or authors from the JHipster project. This file is part of the JHipster project, see https://www.jhipster.tech/ for more information. Licensed 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 https://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. -%> <%_ if (clientTestFrameworkVitest) { _%> import { afterEach, beforeEach, describe, expect, it, vitest } from 'vitest'; <%_ } _%> import { ComponentFixture, TestBed } from '@angular/core/testing'; <%_ if (enableTranslation) { _%> import { TranslateModule } from '@ngx-translate/core'; <%_ } _%> import { of } from 'rxjs'; import Metrics from './metrics'; import { MetricsService } from './metrics.service'; import { MetricsModel, Thread, ThreadDump } from './metrics.model'; describe('Metrics', () => { let comp: Metrics; let fixture: ComponentFixture; let service: MetricsService; beforeEach(() => { TestBed.configureTestingModule({ <%_ if (enableTranslation) { _%>imports: [TranslateModule.forRoot()],<%_ } _%> }); }); beforeEach(() => { fixture = TestBed.createComponent(Metrics); comp = fixture.componentInstance; service = TestBed.inject(MetricsService); }); describe('refresh', () => { it('should call refresh on init', () => { // GIVEN const metrics = { garbageCollector: { 'PS Scavenge': { collectionCount: 0, collectionTime: 0, }, 'PS MarkSweep': { collectionCount: 0, collectionTime: 0, }, }, } as unknown as MetricsModel; const threadDump = { threads: [{ threadName: 'thread 1' } as Thread] } as ThreadDump; <%= clientTestFramework %>.spyOn(service, 'getMetrics').mockReturnValue(of(metrics)); <%= clientTestFramework %>.spyOn(service, 'threadDump').mockReturnValue(of(threadDump)); // WHEN comp.ngOnInit(); // THEN expect(service.getMetrics).toHaveBeenCalled(); expect(comp.metrics()).toEqual(metrics); expect(comp.threads()).toEqual(threadDump.threads); expect(comp.updatingMetrics()).toBeFalsy(); }); }); describe('metricsKeyExistsAndObjectNotEmpty', () => { it('should check that metrics key exists and is not empty', () => { // GIVEN comp.metrics.set({ garbageCollector: { 'PS Scavenge': { collectionCount: 0, collectionTime: 0, }, 'PS MarkSweep': { collectionCount: 0, collectionTime: 0, }, }, } as unknown as MetricsModel); // WHEN const garbageCollectorKeyExistsAndNotEmpty = comp.metricsKeyExistsAndObjectNotEmpty('garbageCollector'); // THEN expect(garbageCollectorKeyExistsAndNotEmpty).toBeTruthy(); }); it('should check that metrics key is empty', () => { // GIVEN comp.metrics.set({ garbageCollector: {}, } as MetricsModel); // WHEN const garbageCollectorKeyEmpty = comp.metricsKeyExistsAndObjectNotEmpty('garbageCollector'); // THEN expect(garbageCollectorKeyEmpty).toBeFalsy(); }); }); });