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import { NO_ERRORS_SCHEMA, SimpleChange } from '@angular/core';
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { DimlessBinaryPipe } from '~/app/shared/pipes/dimless-binary.pipe';
import { FormatterService } from '~/app/shared/services/formatter.service';
import { configureTestBed } from '~/testing/unit-test-helper';
import { SparklineComponent } from './sparkline.component';
describe('SparklineComponent', () => {
let component: SparklineComponent;
let fixture: ComponentFixture<SparklineComponent>;
configureTestBed({
declarations: [SparklineComponent],
schemas: [NO_ERRORS_SCHEMA],
providers: [DimlessBinaryPipe, FormatterService]
});
beforeEach(() => {
fixture = TestBed.createComponent(SparklineComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
expect(component.options.tooltips.custom).toBeDefined();
});
it('should update', () => {
expect(component.datasets).toEqual([{ data: [] }]);
expect(component.labels.length).toBe(0);
component.data = [11, 22, 33];
component.ngOnChanges({ data: new SimpleChange(null, component.data, false) });
expect(component.datasets).toEqual([{ data: [11, 22, 33] }]);
expect(component.labels.length).toBe(3);
});
it('should not transform the label, if not isBinary', () => {
component.isBinary = false;
const result = component.options.tooltips.callbacks.label({ yLabel: 1024 });
expect(result).toBe(1024);
});
it('should transform the label, if isBinary', () => {
component.isBinary = true;
const result = component.options.tooltips.callbacks.label({ yLabel: 1024 });
expect(result).toBe('1 KiB');
});
});
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