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import { Component } from '@angular/core';
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { FormControl, FormsModule, ReactiveFormsModule } from '@angular/forms';
import { By } from '@angular/platform-browser';
import { configureTestBed } from '~/testing/unit-test-helper';
import { CdFormGroup } from '../forms/cd-form-group';
import { TrimDirective } from './trim.directive';
@Component({
template: `
<form [formGroup]="trimForm">
<input type="text" formControlName="trimInput" cdTrim />
</form>
`
})
export class TrimComponent {
trimForm: CdFormGroup;
constructor() {
this.trimForm = new CdFormGroup({
trimInput: new FormControl()
});
}
}
describe('TrimDirective', () => {
configureTestBed({
imports: [FormsModule, ReactiveFormsModule],
declarations: [TrimDirective, TrimComponent]
});
it('should create an instance', () => {
const directive = new TrimDirective(null);
expect(directive).toBeTruthy();
});
it('should trim', () => {
const fixture: ComponentFixture<TrimComponent> = TestBed.createComponent(TrimComponent);
const component: TrimComponent = fixture.componentInstance;
const inputElement: HTMLInputElement = fixture.debugElement.query(By.css('input'))
.nativeElement;
fixture.detectChanges();
inputElement.value = ' a b ';
inputElement.dispatchEvent(new Event('input'));
const expectedValue = 'a b';
expect(inputElement.value).toBe(expectedValue);
expect(component.trimForm.getValue('trimInput')).toBe(expectedValue);
});
});
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