1 files changed, 62 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/ceph/performance-counter/table-performance-counter/table-performance-counter.component.spec.ts b/src/pybind/mgr/dashboard/frontend/src/app/ceph/performance-counter/table-performance-counter/table-performance-counter.component.spec.ts
new file mode 100644
index 000000000..fd8264405
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/ceph/performance-counter/table-performance-counter/table-performance-counter.component.spec.ts
@@ -0,0 +1,62 @@
+import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AppModule } from '~/app/app.module';
+import { CdTableFetchDataContext } from '~/app/shared/models/cd-table-fetch-data-context';
+import { configureTestBed } from '~/testing/unit-test-helper';
+import { TablePerformanceCounterComponent } from './table-performance-counter.component';
+
+describe('TablePerformanceCounterComponent', () => {
+  let component: TablePerformanceCounterComponent;
+  let fixture: ComponentFixture<TablePerformanceCounterComponent>;
+  let httpTesting: HttpTestingController;
+
+  configureTestBed({
+    imports: [AppModule, HttpClientTestingModule]
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TablePerformanceCounterComponent);
+    component = fixture.componentInstance;
+    httpTesting = TestBed.inject(HttpTestingController);
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+    expect(component.counters).toEqual([]);
+  });
+
+  it('should have columns that are sortable', () => {
+    expect(component.columns.every((column) => Boolean(column.prop))).toBeTruthy();
+  });
+
+  describe('Error handling', () => {
+    const context = new CdTableFetchDataContext(() => undefined);
+
+    beforeEach(() => {
+      spyOn(context, 'error');
+      component.serviceType = 'osd';
+      component.serviceId = '3';
+      component.getCounters(context);
+    });
+
+    it('should display 404 warning', () => {
+      httpTesting
+        .expectOne('api/perf_counters/osd/3')
+        .error(new ErrorEvent('osd.3 not found'), { status: 404 });
+      httpTesting.verify();
+      expect(component.counters).toBeNull();
+      expect(context.error).not.toHaveBeenCalled();
+    });
+
+    it('should call error function of context', () => {
+      httpTesting
+        .expectOne('api/perf_counters/osd/3')
+        .error(new ErrorEvent('Unknown error'), { status: 500 });
+      httpTesting.verify();
+      expect(component.counters).toEqual([]);
+      expect(context.error).toHaveBeenCalled();
+    });
+  });
+});