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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();
});
});
});
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