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import { ComponentFixture, TestBed } from '@angular/core/testing';
import { ReactiveFormsModule, Validators } from '@angular/forms';
import { NgbPopoverModule, NgbTooltipModule } from '@ng-bootstrap/ng-bootstrap';
import { configureTestBed } from '~/testing/unit-test-helper';
import { SelectOption } from './select-option.model';
import { SelectComponent } from './select.component';
describe('SelectComponent', () => {
let component: SelectComponent;
let fixture: ComponentFixture<SelectComponent>;
const selectOption = (filter: string) => {
component.filter.setValue(filter);
component.updateFilter();
component.selectOption();
};
configureTestBed({
declarations: [SelectComponent],
imports: [NgbPopoverModule, NgbTooltipModule, ReactiveFormsModule]
});
beforeEach(() => {
fixture = TestBed.createComponent(SelectComponent);
component = fixture.componentInstance;
fixture.detectChanges();
component.options = [
{ name: 'option1', description: '', selected: false, enabled: true },
{ name: 'option2', description: '', selected: false, enabled: true },
{ name: 'option3', description: '', selected: false, enabled: true }
];
});
it('should create', () => {
expect(component).toBeTruthy();
});
it('should add item', () => {
component.data = [];
component.triggerSelection(component.options[1]);
expect(component.data).toEqual(['option2']);
});
it('should update selected', () => {
component.data = ['option2'];
component.ngOnChanges();
expect(component.options[0].selected).toBe(false);
expect(component.options[1].selected).toBe(true);
});
it('should remove item', () => {
component.options.map((option) => {
option.selected = true;
return option;
});
component.data = ['option1', 'option2', 'option3'];
component.removeItem('option1');
expect(component.data).toEqual(['option2', 'option3']);
});
it('should not remove item that is not selected', () => {
component.options[0].selected = true;
component.data = ['option1'];
component.removeItem('option2');
expect(component.data).toEqual(['option1']);
});
describe('filter values', () => {
beforeEach(() => {
component.ngOnInit();
});
it('shows all options with no value set', () => {
expect(component.filteredOptions).toEqual(component.options);
});
it('shows one option that it filtered for', () => {
component.filter.setValue('2');
component.updateFilter();
expect(component.filteredOptions).toEqual([component.options[1]]);
});
it('shows all options after selecting something', () => {
component.filter.setValue('2');
component.updateFilter();
component.selectOption();
expect(component.filteredOptions).toEqual(component.options);
});
it('is not able to create by default with no value set', () => {
component.updateFilter();
expect(component.isCreatable()).toBeFalsy();
});
it('is not able to create by default with a value set', () => {
component.filter.setValue('2');
component.updateFilter();
expect(component.isCreatable()).toBeFalsy();
});
});
describe('automatically add selected options if not in options array', () => {
beforeEach(() => {
component.data = ['option1', 'option4'];
expect(component.options.length).toBe(3);
});
const expectedResult = () => {
expect(component.options.length).toBe(4);
expect(component.options[3]).toEqual(new SelectOption(true, 'option4', ''));
};
it('with no extra settings', () => {
component.ngOnInit();
expectedResult();
});
it('with custom badges', () => {
component.customBadges = true;
component.ngOnInit();
expectedResult();
});
it('with limit higher than selected', () => {
component.selectionLimit = 3;
component.ngOnInit();
expectedResult();
});
it('with limit equal to selected', () => {
component.selectionLimit = 2;
component.ngOnInit();
expectedResult();
});
it('with limit lower than selected', () => {
component.selectionLimit = 1;
component.ngOnInit();
expectedResult();
});
});
describe('sorted array and options', () => {
beforeEach(() => {
component.customBadges = true;
component.customBadgeValidators = [Validators.pattern('[A-Za-z0-9_]+')];
component.data = ['c', 'b'];
component.options = [new SelectOption(true, 'd', ''), new SelectOption(true, 'a', '')];
component.ngOnInit();
});
it('has a sorted selection', () => {
expect(component.data).toEqual(['a', 'b', 'c', 'd']);
});
it('has a sorted options', () => {
const sortedOptions = [
new SelectOption(true, 'a', ''),
new SelectOption(true, 'b', ''),
new SelectOption(true, 'c', ''),
new SelectOption(true, 'd', '')
];
expect(component.options).toEqual(sortedOptions);
});
it('has a sorted selection after adding an item', () => {
selectOption('block');
expect(component.data).toEqual(['a', 'b', 'block', 'c', 'd']);
});
it('has a sorted options after adding an item', () => {
selectOption('block');
const sortedOptions = [
new SelectOption(true, 'a', ''),
new SelectOption(true, 'b', ''),
new SelectOption(true, 'block', ''),
new SelectOption(true, 'c', ''),
new SelectOption(true, 'd', '')
];
expect(component.options).toEqual(sortedOptions);
});
});
describe('with custom options', () => {
beforeEach(() => {
component.customBadges = true;
component.customBadgeValidators = [Validators.pattern('[A-Za-z0-9_]+')];
component.ngOnInit();
});
it('is not able to create with no value set', () => {
component.updateFilter();
expect(component.isCreatable()).toBeFalsy();
});
it('is able to create with a valid value set', () => {
component.filter.setValue('2');
component.updateFilter();
expect(component.isCreatable()).toBeTruthy();
});
it('is not able to create with a value set that already exist', () => {
component.filter.setValue('option2');
component.updateFilter();
expect(component.isCreatable()).toBeFalsy();
});
it('adds custom option', () => {
selectOption('customOption');
expect(component.options[0]).toEqual({
name: 'customOption',
description: '',
selected: true,
enabled: true
});
expect(component.options.length).toBe(4);
expect(component.data).toEqual(['customOption']);
});
it('will not add an option that did not pass the validation', () => {
selectOption(' this does not pass ');
expect(component.options.length).toBe(3);
expect(component.data).toEqual([]);
expect(component.filter.invalid).toBeTruthy();
});
it('removes custom item selection by name', () => {
selectOption('customOption');
component.removeItem('customOption');
expect(component.data).toEqual([]);
expect(component.options.length).toBe(4);
expect(component.options[0]).toEqual({
name: 'customOption',
description: '',
selected: false,
enabled: true
});
});
it('will not add an option that is already there', () => {
selectOption('option2');
expect(component.options.length).toBe(3);
expect(component.data).toEqual(['option2']);
});
it('will not add an option twice after each other', () => {
selectOption('onlyOnce');
expect(component.data).toEqual(['onlyOnce']);
selectOption('onlyOnce');
expect(component.data).toEqual([]);
selectOption('onlyOnce');
expect(component.data).toEqual(['onlyOnce']);
expect(component.options.length).toBe(4);
});
});
describe('if the selection limit is reached', function () {
beforeEach(() => {
component.selectionLimit = 2;
component.triggerSelection(component.options[0]);
component.triggerSelection(component.options[1]);
});
it('will not select more options', () => {
component.triggerSelection(component.options[2]);
expect(component.data).toEqual(['option1', 'option2']);
});
it('will unselect options that are selected', () => {
component.triggerSelection(component.options[1]);
expect(component.data).toEqual(['option1']);
});
});
});
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