Initial application generated by JHipster-5.8.2

src/test/javascript/spec/app/admin/metrics/metrics.service.spec.ts

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+import { TestBed } from '@angular/core/testing';
+
+import { JhiMetricsService } from 'app/admin/metrics/metrics.service';
+import { SERVER_API_URL } from 'app/app.constants';
+import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
+
+describe('Service Tests', () => {
+    describe('Logs Service', () => {
+        let service: JhiMetricsService;
+        let httpMock;
+
+        beforeEach(() => {
+            TestBed.configureTestingModule({
+                imports: [HttpClientTestingModule]
+            });
+
+            service = TestBed.get(JhiMetricsService);
+            httpMock = TestBed.get(HttpTestingController);
+        });
+
+        afterEach(() => {
+            httpMock.verify();
+        });
+
+        describe('Service methods', () => {
+            it('should call correct URL', () => {
+                service.getMetrics().subscribe(() => {});
+
+                const req = httpMock.expectOne({ method: 'GET' });
+                const resourceUrl = SERVER_API_URL + 'management/jhi-metrics';
+                expect(req.request.url).toEqual(resourceUrl);
+            });
+
+            it('should return Metrics', () => {
+                const metrics = [];
+
+                service.getMetrics().subscribe(received => {
+                    expect(received.body[0]).toEqual(metrics);
+                });
+
+                const req = httpMock.expectOne({ method: 'GET' });
+                req.flush([metrics]);
+            });
+
+            it('should return Thread Dump', () => {
+                const dump = [{ name: 'test1', threadState: 'RUNNABLE' }];
+
+                service.threadDump().subscribe(received => {
+                    expect(received.body[0]).toEqual(dump);
+                });
+
+                const req = httpMock.expectOne({ method: 'GET' });
+                req.flush([dump]);
+            });
+        });
+    });
+});