1 files changed, 52 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/services/refresh-interval.service.spec.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/services/refresh-interval.service.spec.ts
new file mode 100644
index 000000000..c26d6389b
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/services/refresh-interval.service.spec.ts
@@ -0,0 +1,52 @@
+import { NgZone } from '@angular/core';
+import { fakeAsync, TestBed, tick } from '@angular/core/testing';
+
+import { configureTestBed } from '~/testing/unit-test-helper';
+import { RefreshIntervalService } from './refresh-interval.service';
+
+describe('RefreshIntervalService', () => {
+  let service: RefreshIntervalService;
+
+  configureTestBed({
+    providers: [RefreshIntervalService]
+  });
+
+  beforeEach(() => {
+    service = TestBed.inject(RefreshIntervalService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+
+  it('should initial private interval time right', () => {
+    sessionStorage.setItem('dashboard_interval', '10000');
+    const ngZone = TestBed.inject(NgZone);
+    service = new RefreshIntervalService(ngZone);
+    expect(service.getRefreshInterval()).toBe(10000);
+  });
+
+  describe('setRefreshInterval', () => {
+    let notifyCount: number;
+
+    it('should send notification to component at correct interval time when interval changed', fakeAsync(() => {
+      service.intervalData$.subscribe(() => {
+        notifyCount++;
+      });
+
+      notifyCount = 0;
+      service.setRefreshInterval(10000);
+      tick(10000);
+      expect(service.getRefreshInterval()).toBe(10000);
+      expect(notifyCount).toBe(1);
+
+      notifyCount = 0;
+      service.setRefreshInterval(30000);
+      tick(30000);
+      expect(service.getRefreshInterval()).toBe(30000);
+      expect(notifyCount).toBe(1);
+
+      service.ngOnDestroy();
+    }));
+  });
+});