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import { ComponentFixture, TestBed } from '@angular/core/testing';
import { ChartsModule } from 'ng2-charts';
import { configureTestBed } from '~/testing/unit-test-helper';
import { CephfsChartComponent } from './cephfs-chart.component';
describe('CephfsChartComponent', () => {
let component: CephfsChartComponent;
let fixture: ComponentFixture<CephfsChartComponent>;
const counter = [
[0, 15],
[5, 15],
[10, 25],
[15, 50]
];
configureTestBed({
imports: [ChartsModule],
declarations: [CephfsChartComponent]
});
beforeEach(() => {
fixture = TestBed.createComponent(CephfsChartComponent);
component = fixture.componentInstance;
component.mdsCounter = {
'mds_server.handle_client_request': counter,
'mds_mem.ino': counter,
name: 'a'
};
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
});
it('completed the chart', () => {
const lhs = component.chart.datasets[0].data;
expect(lhs.length).toBe(3);
expect(lhs).toEqual([
{
x: 5000,
y: 15
},
{
x: 10000,
y: 25
},
{
x: 15000,
y: 50
}
]);
const rhs = component.chart.datasets[1].data;
expect(rhs.length).toBe(3);
expect(rhs).toEqual([
{
x: 5000,
y: 0
},
{
x: 10000,
y: 10
},
{
x: 15000,
y: 25
}
]);
});
it('should force angular to update the chart datasets array in order to update the graph', () => {
const oldDatasets = component.chart.datasets;
component.ngOnChanges();
expect(oldDatasets).toEqual(component.chart.datasets);
expect(oldDatasets).not.toBe(component.chart.datasets);
});
});
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