// NG2
import { TestBed, async } from '@angular/core/testing';
// APP
import { NovoButtonElement } from './Button';

describe('Elements: NovoButtonElement', () => {
    let fixture;
    let component;

    beforeEach(async(() => {
        TestBed.configureTestingModule({
            declarations: [
                NovoButtonElement
            ],
        }).compileComponents();
        fixture = TestBed.createComponent(NovoButtonElement);
        component = fixture.debugElement.componentInstance;
    }));

    describe('Method: ngOnChanges()', () => {
        it('should initialize correctly', () => {
            expect(component).toBeTruthy();
        });
    });

    describe('Method: ngOnChanges()', () => {

        it('should setup the iconClass if icon is passed', () => {
            component.icon = 'test';
            component.ngOnChanges();
            expect(component.iconClass).toBe('bhi-test');
        });

        it('should NOT set the iconClass if icon is NOT present', () => {
            component.ngOnChanges();
            expect(component.iconClass).toBe('');
        });

        it('should set flex based on theme', () => {
            component.theme = 'primary';
            component.ngOnChanges();
            expect(component.flex).toBe('flex-wrapper');
            component.theme = null;
            component.ngOnChanges();
            expect(component.flex).toBe('');
        });

        it('should force icon to right if theme is primary', () => {
            component.theme = 'primary';
            component.side = 'left';
            component.ngOnChanges();
            expect(component.leftSide).toBeFalsy();
            expect(component.rightSide).toBeTruthy();
        });

        it('should set icon to left as long as theme is NOT primary', () => {
            component.theme = 'secondary';
            component.side = 'left';
            component.ngOnChanges();
            expect(component.leftSide).toBeTruthy();
            expect(component.rightSide).toBeFalsy();
        });
    });
});