ceph/src/pybind/mgr/dashboard/frontend/src/app/shared/components/sparkline/sparkline.component.spec.ts

   1 import { NO_ERRORS_SCHEMA, SimpleChange } from '@angular/core';
   2 import { ComponentFixture, TestBed } from '@angular/core/testing';
   3
   4 import { configureTestBed } from '../../../../testing/unit-test-helper';
   5 import { DimlessBinaryPipe } from '../../pipes/dimless-binary.pipe';
   6 import { FormatterService } from '../../services/formatter.service';
   7 import { SparklineComponent } from './sparkline.component';
   8
   9 describe('SparklineComponent', () => {
  10   let component: SparklineComponent;
  11   let fixture: ComponentFixture<SparklineComponent>;
  12
  13   configureTestBed({
  14     declarations: [SparklineComponent],
  15     schemas: [NO_ERRORS_SCHEMA],
  16     imports: [],
  17     providers: [DimlessBinaryPipe, FormatterService]
  18   });
  19
  20   beforeEach(() => {
  21     fixture = TestBed.createComponent(SparklineComponent);
  22     component = fixture.componentInstance;
  23     fixture.detectChanges();
  24   });
  25
  26   it('should create', () => {
  27     expect(component).toBeTruthy();
  28     expect(component.options.tooltips.custom).toBeDefined();
  29   });
  30
  31   it('should update', () => {
  32     expect(component.datasets).toEqual([{ data: [] }]);
  33     expect(component.labels.length).toBe(0);
  34
  35     component.data = [11, 22, 33];
  36     component.ngOnChanges({ data: new SimpleChange(null, component.data, false) });
  37
  38     expect(component.datasets).toEqual([{ data: [11, 22, 33] }]);
  39     expect(component.labels.length).toBe(3);
  40   });
  41
  42   it('should not transform the label, if not isBinary', () => {
  43     component.isBinary = false;
  44     const result = component.options.tooltips.callbacks.label({ yLabel: 1024 });
  45     expect(result).toBe(1024);
  46   });
  47
  48   it('should transform the label, if isBinary', () => {
  49     component.isBinary = true;
  50     const result = component.options.tooltips.callbacks.label({ yLabel: 1024 });
  51     expect(result).toBe('1 KiB');
  52   });
  53 });