ceph/src/pybind/mgr/dashboard/frontend/src/app/ceph/cluster/crushmap/crushmap.component.spec.ts

   1 import { HttpClientTestingModule } from '@angular/common/http/testing';
   2 import { DebugElement } from '@angular/core';
   3 import { ComponentFixture, TestBed } from '@angular/core/testing';
   4
   5 import { of } from 'rxjs';
   6
   7 import { TreeModule } from 'ng2-tree';
   8 import { TabsModule } from 'ngx-bootstrap/tabs';
   9
  10 import { configureTestBed } from '../../../../testing/unit-test-helper';
  11 import { HealthService } from '../../../shared/api/health.service';
  12 import { SharedModule } from '../../../shared/shared.module';
  13 import { CrushmapComponent } from './crushmap.component';
  14
  15 describe('CrushmapComponent', () => {
  16   let component: CrushmapComponent;
  17   let fixture: ComponentFixture<CrushmapComponent>;
  18   let debugElement: DebugElement;
  19   configureTestBed({
  20     imports: [HttpClientTestingModule, TreeModule, TabsModule.forRoot(), SharedModule],
  21     declarations: [CrushmapComponent],
  22     providers: [HealthService]
  23   });
  24
  25   beforeEach(() => {
  26     fixture = TestBed.createComponent(CrushmapComponent);
  27     component = fixture.componentInstance;
  28     debugElement = fixture.debugElement;
  29   });
  30
  31   it('should create', () => {
  32     expect(component).toBeTruthy();
  33   });
  34
  35   it('should display right title', () => {
  36     fixture.detectChanges();
  37     const span = debugElement.nativeElement.querySelector('span');
  38     expect(span.textContent).toBe('CRUSH map viewer');
  39   });
  40
  41   describe('test tree', () => {
  42     let healthService: HealthService;
  43     const prepareGetHealth = (nodes: object[]) => {
  44       spyOn(healthService, 'getFullHealth').and.returnValue(
  45         of({ osd_map: { tree: { nodes: nodes } } })
  46       );
  47       fixture.detectChanges();
  48     };
  49
  50     beforeEach(() => {
  51       healthService = debugElement.injector.get(HealthService);
  52     });
  53
  54     it('should display "No nodes!" if ceph tree nodes is empty array', () => {
  55       prepareGetHealth([]);
  56       expect(healthService.getFullHealth).toHaveBeenCalled();
  57       expect(component.tree.value).toEqual('No nodes!');
  58     });
  59
  60     describe('nodes not empty', () => {
  61       beforeEach(() => {
  62         prepareGetHealth([
  63           { children: [-2], type: 'root', name: 'default', id: -1 },
  64           { children: [1, 0, 2], type: 'host', name: 'my-host', id: -2 },
  65           { status: 'up', type: 'osd', name: 'osd.0', id: 0 },
  66           { status: 'down', type: 'osd', name: 'osd.1', id: 1 },
  67           { status: 'up', type: 'osd', name: 'osd.2', id: 2 }
  68         ]);
  69       });
  70
  71       it('should have tree structure derived from a root', () => {
  72         expect(component.tree.value).toBe('default (root)');
  73       });
  74
  75       it('should have one host child with 3 osd children', () => {
  76         expect(component.tree.children.length).toBe(1);
  77         expect(component.tree.children[0].value).toBe('my-host (host)');
  78         expect(component.tree.children[0].children.length).toBe(3);
  79       });
  80
  81       it('should have 3 osds in orderd', () => {
  82         expect(component.tree.children[0].children[0].value).toBe('osd.0 (osd)');
  83         expect(component.tree.children[0].children[1].value).toBe('osd.1 (osd)');
  84         expect(component.tree.children[0].children[2].value).toBe('osd.2 (osd)');
  85       });
  86     });
  87   });
  88 });