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import { HttpClientTestingModule } from '@angular/common/http/testing';
import { Component, Input } from '@angular/core';
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { TreeModule } from '@circlon/angular-tree-component';
import { NgbNavModule } from '@ng-bootstrap/ng-bootstrap';
import _ from 'lodash';
import { ToastrModule } from 'ngx-toastr';
import { of } from 'rxjs';
import { CephfsService } from '~/app/shared/api/cephfs.service';
import { TableStatusViewCache } from '~/app/shared/classes/table-status-view-cache';
import { ViewCacheStatus } from '~/app/shared/enum/view-cache-status.enum';
import { SharedModule } from '~/app/shared/shared.module';
import { configureTestBed } from '~/testing/unit-test-helper';
import { CephfsClientsComponent } from '../cephfs-clients/cephfs-clients.component';
import { CephfsDetailComponent } from '../cephfs-detail/cephfs-detail.component';
import { CephfsDirectoriesComponent } from '../cephfs-directories/cephfs-directories.component';
import { CephfsTabsComponent } from './cephfs-tabs.component';
describe('CephfsTabsComponent', () => {
let component: CephfsTabsComponent;
let fixture: ComponentFixture<CephfsTabsComponent>;
let service: CephfsService;
let data: {
standbys: string;
pools: any[];
ranks: any[];
mdsCounters: object;
name: string;
clients: { status: ViewCacheStatus; data: any[] };
};
let old: any;
const getReload: any = () => component['reloadSubscriber'];
const setReload = (sth?: any) => (component['reloadSubscriber'] = sth);
const mockRunOutside = () => {
component['subscribeInterval'] = () => {
// It's mocked because the rxjs timer subscription isn't called through the use of 'tick'.
setReload({
unsubscribed: false,
unsubscribe: () => {
old = getReload();
getReload().unsubscribed = true;
setReload();
}
});
component.refresh();
};
};
const setSelection = (selection: any) => {
component.selection = selection;
component.ngOnChanges();
};
const selectFs = (id: number, name: string) => {
setSelection({
id,
mdsmap: {
info: {
something: {
name
}
}
}
});
};
const updateData = () => {
component['data'] = _.cloneDeep(data);
component.softRefresh();
};
@Component({ selector: 'cd-cephfs-chart', template: '' })
class CephfsChartStubComponent {
@Input()
mdsCounter: any;
}
configureTestBed({
imports: [
SharedModule,
NgbNavModule,
HttpClientTestingModule,
TreeModule,
ToastrModule.forRoot()
],
declarations: [
CephfsTabsComponent,
CephfsChartStubComponent,
CephfsDetailComponent,
CephfsDirectoriesComponent,
CephfsClientsComponent
]
});
beforeEach(() => {
fixture = TestBed.createComponent(CephfsTabsComponent);
component = fixture.componentInstance;
component.selection = undefined;
data = {
standbys: 'b',
pools: [{}, {}],
ranks: [{}, {}, {}],
mdsCounters: { a: { name: 'a', x: [], y: [] } },
name: 'someFs',
clients: {
status: ViewCacheStatus.ValueOk,
data: [{}, {}, {}, {}]
}
};
service = TestBed.inject(CephfsService);
spyOn(service, 'getTabs').and.callFake(() => of(data));
fixture.detectChanges();
mockRunOutside();
setReload(); // Clears rxjs timer subscription
});
it('should create', () => {
expect(component).toBeTruthy();
});
it('should resist invalid mds info', () => {
setSelection({
id: 3,
mdsmap: {
info: {}
}
});
expect(component.grafanaId).toBe(undefined);
});
it('should find out the grafana id', () => {
selectFs(2, 'otherMds');
expect(component.grafanaId).toBe('otherMds');
});
it('should set default values on id change before api request', () => {
const defaultDetails: Record<string, any> = {
standbys: '',
pools: [],
ranks: [],
mdsCounters: {},
name: ''
};
const defaultClients: Record<string, any> = {
data: [],
status: new TableStatusViewCache(ViewCacheStatus.ValueNone)
};
component['subscribeInterval'] = () => undefined;
updateData();
expect(component.clients).not.toEqual(defaultClients);
expect(component.details).not.toEqual(defaultDetails);
selectFs(2, 'otherMds');
expect(component.clients).toEqual(defaultClients);
expect(component.details).toEqual(defaultDetails);
});
it('should force data updates on tab change without api requests', () => {
const oldClients = component.clients;
const oldDetails = component.details;
updateData();
expect(service.getTabs).toHaveBeenCalledTimes(0);
expect(component.details).not.toBe(oldDetails);
expect(component.clients).not.toBe(oldClients);
});
describe('handling of id change', () => {
beforeEach(() => {
setReload(); // Clears rxjs timer subscription
selectFs(2, 'otherMds');
old = getReload(); // Gets current subscription
});
it('should have called getDetails once', () => {
expect(component.details.pools.length).toBe(2);
expect(service.getTabs).toHaveBeenCalledTimes(1);
});
it('should not subscribe to an new interval for the same selection', () => {
expect(component.id).toBe(2);
expect(component.grafanaId).toBe('otherMds');
selectFs(2, 'otherMds');
expect(component.id).toBe(2);
expect(component.grafanaId).toBe('otherMds');
expect(getReload()).toBe(old);
});
it('should subscribe to an new interval', () => {
selectFs(3, 'anotherMds');
expect(getReload()).not.toBe(old); // Holds an new object
});
it('should unsubscribe the old interval if it exists', () => {
selectFs(3, 'anotherMds');
expect(old.unsubscribed).toBe(true);
});
it('should not unsubscribe if no interval exists', () => {
expect(() => component.ngOnDestroy()).not.toThrow();
});
it('should request the details of the new id', () => {
expect(service.getTabs).toHaveBeenCalledWith(2);
});
it('should should unsubscribe on deselect', () => {
setSelection(undefined);
expect(old.unsubscribed).toBe(true);
expect(getReload()).toBe(undefined); // Cleared timer subscription
});
});
});
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