753 lines
29 KiB
TypeScript
753 lines
29 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {NgFor, NgIf} from '@angular/common';
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import {Component} from '@angular/core';
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import {ComponentFixture, TestBed, TestComponentBuilder, fakeAsync, flushMicrotasks, tick} from '@angular/core/testing';
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import {AsyncTestCompleter, afterEach, beforeEach, ddescribe, describe, expect, iit, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
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import {FormsModule, NgForm} from '@angular/forms';
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import {By} from '@angular/platform-browser/src/dom/debug/by';
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import {getDOM} from '@angular/platform-browser/src/dom/dom_adapter';
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import {dispatchEvent} from '@angular/platform-browser/testing/browser_util';
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import {ObservableWrapper} from '../src/facade/async';
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import {ListWrapper} from '../src/facade/collection';
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export function main() {
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describe('template-driven forms integration tests', () => {
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beforeEach(() => { TestBed.configureTestingModule({imports: [FormsModule]}); });
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it('should support ngModel for single fields',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<div><input type="text" [(ngModel)]="name"></div>`;
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let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.name = 'oldValue';
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fixture.detectChanges();
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var input = fixture.debugElement.query(By.css('input')).nativeElement;
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tick();
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expect(input.value).toEqual('oldValue');
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input.value = 'updatedValue';
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dispatchEvent(input, 'input');
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tick();
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expect(fixture.debugElement.componentInstance.name).toEqual('updatedValue');
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})));
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it('should support ngModel registration with a parent form',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `
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<form>
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<input name="first" [(ngModel)]="name" maxlength="4">
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</form>
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`;
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let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.name = 'Nancy';
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fixture.detectChanges();
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var form = fixture.debugElement.children[0].injector.get(NgForm);
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tick();
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expect(form.value).toEqual({first: 'Nancy'});
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expect(form.valid).toBe(false);
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})));
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it('should add new controls and control groups',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<div ngModelGroup="user">
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<input type="text" name="login" ngModel>
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</div>
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</form>`;
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let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.name = null;
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fixture.detectChanges();
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var form = fixture.debugElement.children[0].injector.get(NgForm);
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expect(form.controls['user']).not.toBeDefined();
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tick();
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expect(form.controls['user']).toBeDefined();
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expect(form.controls['user'].controls['login']).toBeDefined();
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})));
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it('should emit ngSubmit event on submit',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<div><form (ngSubmit)="name='updated'"></form></div>`;
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let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.name = 'old';
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var form = fixture.debugElement.query(By.css('form'));
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dispatchEvent(form.nativeElement, 'submit');
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tick();
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expect(fixture.debugElement.componentInstance.name).toEqual('updated');
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})));
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it('should mark NgForm as submitted on submit event',
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inject([TestComponentBuilder], fakeAsync((tcb: TestComponentBuilder) => {
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const t = `<div>
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<form #f="ngForm" (ngSubmit)="data=f.submitted"></form>
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<span>{{data}}</span>
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</div>`;
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var fixture: ComponentFixture<MyComp8>;
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tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((root) => {
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fixture = root;
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});
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tick();
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fixture.debugElement.componentInstance.data = false;
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tick();
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var form = fixture.debugElement.query(By.css('form'));
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dispatchEvent(form.nativeElement, 'submit');
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tick();
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expect(fixture.debugElement.componentInstance.data).toEqual(true);
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})));
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it('should reset the form to empty when reset button is clicked',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `
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<form>
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<input name="name" [(ngModel)]="name">
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</form>
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`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.name = 'should be cleared';
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fixture.detectChanges();
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tick();
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const form = fixture.debugElement.children[0].injector.get(NgForm);
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const formEl = fixture.debugElement.query(By.css('form'));
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dispatchEvent(formEl.nativeElement, 'reset');
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fixture.detectChanges();
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tick();
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expect(fixture.debugElement.componentInstance.name).toBe(null);
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expect(form.value.name).toEqual(null);
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})));
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it('should emit valueChanges and statusChanges on init',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="text" name="first" [ngModel]="name" minlength="3">
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</form>`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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const form = fixture.debugElement.children[0].injector.get(NgForm);
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fixture.debugElement.componentInstance.name = 'aa';
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fixture.detectChanges();
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expect(form.valid).toEqual(true);
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expect(form.value).toEqual({});
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let formValidity: string;
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let formValue: Object;
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ObservableWrapper.subscribe(
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form.statusChanges, (status: string) => { formValidity = status; });
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ObservableWrapper.subscribe(form.valueChanges, (value: string) => { formValue = value; });
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tick();
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expect(formValidity).toEqual('INVALID');
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expect(formValue).toEqual({first: 'aa'});
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})));
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it('should not create a template-driven form when ngNoForm is used',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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const t = `<form ngNoForm>
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</form>`;
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tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
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fixture.debugElement.componentInstance.name = null;
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fixture.detectChanges();
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expect(fixture.debugElement.children[0].providerTokens.length).toEqual(0);
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async.done();
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});
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}));
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it('should remove controls',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<div *ngIf="name == 'show'">
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<input type="text" name="login" ngModel>
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</div>
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</form>`;
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let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.name = 'show';
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fixture.detectChanges();
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tick();
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var form = fixture.debugElement.children[0].injector.get(NgForm);
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expect(form.controls['login']).toBeDefined();
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fixture.debugElement.componentInstance.name = 'hide';
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fixture.detectChanges();
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tick();
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expect(form.controls['login']).not.toBeDefined();
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})));
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it('should remove control groups',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<div *ngIf="name=='show'" ngModelGroup="user">
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<input type="text" name="login" ngModel>
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</div>
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</form>`;
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let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.name = 'show';
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fixture.detectChanges();
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tick();
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var form = fixture.debugElement.children[0].injector.get(NgForm);
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expect(form.controls['user']).toBeDefined();
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fixture.debugElement.componentInstance.name = 'hide';
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fixture.detectChanges();
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tick();
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expect(form.controls['user']).not.toBeDefined();
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})));
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it('should support ngModel for complex forms',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="text" name="name" [(ngModel)]="name">
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</form>`;
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let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.name = 'oldValue';
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fixture.detectChanges();
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tick();
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var input = fixture.debugElement.query(By.css('input')).nativeElement;
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expect(input.value).toEqual('oldValue');
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input.value = 'updatedValue';
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dispatchEvent(input, 'input');
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tick();
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expect(fixture.debugElement.componentInstance.name).toEqual('updatedValue');
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})));
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it('should throw if ngModel has a parent form but no name attr or standalone label',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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const t = `<form>
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<input [(ngModel)]="name">
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</form>`;
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tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
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expect(() => fixture.detectChanges())
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.toThrowError(new RegExp(`name attribute must be set`));
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async.done();
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});
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}));
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it('should not throw if ngModel has a parent form, no name attr, and a standalone label',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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const t = `<form>
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<input [(ngModel)]="name" [ngModelOptions]="{standalone: true}">
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</form>`;
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tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
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expect(() => fixture.detectChanges()).not.toThrow();
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async.done();
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});
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}));
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it('should override name attribute with ngModelOptions name if provided',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `
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<form>
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<input name="one" [(ngModel)]="data" [ngModelOptions]="{name: 'two'}">
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</form>
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`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.data = 'some data';
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fixture.detectChanges();
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const form = fixture.debugElement.children[0].injector.get(NgForm);
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tick();
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expect(form.value).toEqual({two: 'some data'});
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})));
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it('should not register standalone ngModels with parent form',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `
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<form>
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<input name="one" [(ngModel)]="data">
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<input [(ngModel)]="list" [ngModelOptions]="{standalone: true}">
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</form>
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`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.data = 'some data';
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fixture.debugElement.componentInstance.list = 'should not show';
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fixture.detectChanges();
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const form = fixture.debugElement.children[0].injector.get(NgForm);
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const inputs = fixture.debugElement.queryAll(By.css('input'));
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tick();
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expect(form.value).toEqual({one: 'some data'});
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expect(inputs[1].nativeElement.value).toEqual('should not show');
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})));
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it('should set status classes with ngModel',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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const t = `<div><input [(ngModel)]="name" required></div>`;
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tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
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fixture.debugElement.componentInstance.name = '';
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fixture.detectChanges();
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var input = fixture.debugElement.query(By.css('input')).nativeElement;
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expect(sortedClassList(input)).toEqual([
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'ng-invalid', 'ng-pristine', 'ng-untouched'
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]);
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dispatchEvent(input, 'blur');
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fixture.detectChanges();
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expect(sortedClassList(input)).toEqual(['ng-invalid', 'ng-pristine', 'ng-touched']);
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input.value = 'updatedValue';
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dispatchEvent(input, 'input');
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fixture.detectChanges();
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expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']);
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async.done();
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});
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}));
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it('should mark controls as dirty before emitting a value change event',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="text" name="login" ngModel>
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</form>`;
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tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
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fixture.detectChanges();
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const form = fixture.debugElement.children[0].injector.get(NgForm).form;
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fixture.detectChanges();
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tick();
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form.find('login').valueChanges.subscribe(
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() => { expect(form.find('login').dirty).toBe(true); });
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const loginEl = fixture.debugElement.query(By.css('input')).nativeElement;
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loginEl.value = 'newValue';
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dispatchEvent(loginEl, 'input');
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});
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})));
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it('should mark control as pristine before emitting a value change event when resetting ',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="text" name="login" ngModel>
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</form>`;
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tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
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fixture.detectChanges();
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const form = fixture.debugElement.children[0].injector.get(NgForm).form;
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const formEl = fixture.debugElement.query(By.css('form')).nativeElement;
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const loginEl = fixture.debugElement.query(By.css('input')).nativeElement;
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fixture.detectChanges();
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tick();
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loginEl.value = 'newValue';
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dispatchEvent(loginEl, 'input');
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expect(form.find('login').pristine).toBe(false);
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form.find('login').valueChanges.subscribe(
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() => { expect(form.find('login').pristine).toBe(true); });
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dispatchEvent(formEl, 'reset');
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});
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})));
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describe('radio value accessor', () => {
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it('should support <type=radio>',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="radio" name="food" [(ngModel)]="data.food" value="chicken">
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<input type="radio" name="food" [(ngModel)]="data.food" value="fish">
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</form>`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.data = {food: 'fish'};
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fixture.detectChanges();
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tick();
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const inputs = fixture.debugElement.queryAll(By.css('input'));
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expect(inputs[0].nativeElement.checked).toEqual(false);
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expect(inputs[1].nativeElement.checked).toEqual(true);
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dispatchEvent(inputs[0].nativeElement, 'change');
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tick();
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const data = fixture.debugElement.componentInstance.data;
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expect(data.food).toEqual('chicken');
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expect(inputs[1].nativeElement.checked).toEqual(false);
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})));
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it('should support multiple named <type=radio> groups',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="radio" name="food" [(ngModel)]="data.food" value="chicken">
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<input type="radio" name="food" [(ngModel)]="data.food" value="fish">
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<input type="radio" name="drink" [(ngModel)]="data.drink" value="cola">
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<input type="radio" name="drink" [(ngModel)]="data.drink" value="sprite">
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</form>`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.data = {food: 'fish', drink: 'sprite'};
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fixture.detectChanges();
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tick();
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const inputs = fixture.debugElement.queryAll(By.css('input'));
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expect(inputs[0].nativeElement.checked).toEqual(false);
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expect(inputs[1].nativeElement.checked).toEqual(true);
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expect(inputs[2].nativeElement.checked).toEqual(false);
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expect(inputs[3].nativeElement.checked).toEqual(true);
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dispatchEvent(inputs[0].nativeElement, 'change');
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tick();
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const data = fixture.debugElement.componentInstance.data;
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expect(data.food).toEqual('chicken');
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expect(data.drink).toEqual('sprite');
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expect(inputs[1].nativeElement.checked).toEqual(false);
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expect(inputs[2].nativeElement.checked).toEqual(false);
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expect(inputs[3].nativeElement.checked).toEqual(true);
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})));
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});
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describe('select value accessor', () => {
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it('with option values that are objects',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<div>
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<select [(ngModel)]="selectedCity">
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<option *ngFor="let c of list" [ngValue]="c">{{c['name']}}</option>
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</select>
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</div>`;
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tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
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var testComp = fixture.debugElement.componentInstance;
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testComp.list = [{'name': 'SF'}, {'name': 'NYC'}, {'name': 'Buffalo'}];
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testComp.selectedCity = testComp.list[1];
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fixture.detectChanges();
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|
|
var select = fixture.debugElement.query(By.css('select'));
|
|
var nycOption = fixture.debugElement.queryAll(By.css('option'))[1];
|
|
|
|
tick();
|
|
expect(select.nativeElement.value).toEqual('1: Object');
|
|
expect(nycOption.nativeElement.selected).toBe(true);
|
|
|
|
select.nativeElement.value = '2: Object';
|
|
dispatchEvent(select.nativeElement, 'change');
|
|
fixture.detectChanges();
|
|
tick();
|
|
expect(testComp.selectedCity['name']).toEqual('Buffalo');
|
|
});
|
|
})));
|
|
|
|
it('when new options are added (selection through the model)',
|
|
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
|
|
const t = `<div>
|
|
<select [(ngModel)]="selectedCity">
|
|
<option *ngFor="let c of list" [ngValue]="c">{{c['name']}}</option>
|
|
</select>
|
|
</div>`;
|
|
|
|
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
|
|
|
|
var testComp: MyComp8 = fixture.debugElement.componentInstance;
|
|
testComp.list = [{'name': 'SF'}, {'name': 'NYC'}];
|
|
testComp.selectedCity = testComp.list[1];
|
|
fixture.detectChanges();
|
|
|
|
testComp.list.push({'name': 'Buffalo'});
|
|
testComp.selectedCity = testComp.list[2];
|
|
fixture.detectChanges();
|
|
tick();
|
|
|
|
var select = fixture.debugElement.query(By.css('select'));
|
|
var buffalo = fixture.debugElement.queryAll(By.css('option'))[2];
|
|
expect(select.nativeElement.value).toEqual('2: Object');
|
|
expect(buffalo.nativeElement.selected).toBe(true);
|
|
});
|
|
})));
|
|
|
|
it('when new options are added (selection through the UI)',
|
|
inject(
|
|
[TestComponentBuilder, AsyncTestCompleter],
|
|
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
|
|
const t = `<div>
|
|
<select [(ngModel)]="selectedCity">
|
|
<option *ngFor="let c of list" [ngValue]="c">{{c['name']}}</option>
|
|
</select>
|
|
</div>`;
|
|
|
|
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
|
|
|
|
var testComp: MyComp8 = fixture.debugElement.componentInstance;
|
|
testComp.list = [{'name': 'SF'}, {'name': 'NYC'}];
|
|
testComp.selectedCity = testComp.list[0];
|
|
fixture.detectChanges();
|
|
|
|
var select = fixture.debugElement.query(By.css('select'));
|
|
var ny = fixture.debugElement.queryAll(By.css('option'))[1];
|
|
|
|
select.nativeElement.value = '1: Object';
|
|
dispatchEvent(select.nativeElement, 'change');
|
|
testComp.list.push({'name': 'Buffalo'});
|
|
fixture.detectChanges();
|
|
|
|
expect(select.nativeElement.value).toEqual('1: Object');
|
|
expect(ny.nativeElement.selected).toBe(true);
|
|
async.done();
|
|
});
|
|
}));
|
|
|
|
|
|
it('when options are removed',
|
|
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
|
|
const t = `<div>
|
|
<select [(ngModel)]="selectedCity">
|
|
<option *ngFor="let c of list" [ngValue]="c">{{c}}</option>
|
|
</select>
|
|
</div>`;
|
|
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
|
|
|
|
var testComp: MyComp8 = fixture.debugElement.componentInstance;
|
|
testComp.list = [{'name': 'SF'}, {'name': 'NYC'}];
|
|
testComp.selectedCity = testComp.list[1];
|
|
fixture.detectChanges();
|
|
tick();
|
|
|
|
var select = fixture.debugElement.query(By.css('select'));
|
|
expect(select.nativeElement.value).toEqual('1: Object');
|
|
|
|
testComp.list.pop();
|
|
fixture.detectChanges();
|
|
tick();
|
|
|
|
expect(select.nativeElement.value).not.toEqual('1: Object');
|
|
});
|
|
})));
|
|
|
|
it('when option values change identity while tracking by index',
|
|
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
|
|
const t = `<div>
|
|
<select [(ngModel)]="selectedCity">
|
|
<option *ngFor="let c of list; trackBy:customTrackBy" [ngValue]="c">{{c}}</option>
|
|
</select>
|
|
</div>`;
|
|
|
|
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
|
|
|
|
var testComp = fixture.debugElement.componentInstance;
|
|
|
|
testComp.list = [{'name': 'SF'}, {'name': 'NYC'}];
|
|
testComp.selectedCity = testComp.list[0];
|
|
fixture.detectChanges();
|
|
|
|
testComp.list[1] = 'Buffalo';
|
|
testComp.selectedCity = testComp.list[1];
|
|
fixture.detectChanges();
|
|
tick();
|
|
|
|
var select = fixture.debugElement.query(By.css('select'));
|
|
var buffalo = fixture.debugElement.queryAll(By.css('option'))[1];
|
|
|
|
expect(select.nativeElement.value).toEqual('1: Buffalo');
|
|
expect(buffalo.nativeElement.selected).toBe(true);
|
|
});
|
|
})));
|
|
|
|
it('with duplicate option values',
|
|
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
|
|
const t = `<div>
|
|
<select [(ngModel)]="selectedCity">
|
|
<option *ngFor="let c of list" [ngValue]="c">{{c.name}}</option>
|
|
</select>
|
|
</div>`;
|
|
|
|
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
|
|
|
|
var testComp = fixture.debugElement.componentInstance;
|
|
|
|
testComp.list = [{'name': 'NYC'}, {'name': 'SF'}, {'name': 'SF'}];
|
|
testComp.selectedCity = testComp.list[0];
|
|
fixture.detectChanges();
|
|
|
|
testComp.selectedCity = testComp.list[1];
|
|
fixture.detectChanges();
|
|
tick();
|
|
|
|
var select = fixture.debugElement.query(By.css('select'));
|
|
var firstSF = fixture.debugElement.queryAll(By.css('option'))[1];
|
|
|
|
expect(select.nativeElement.value).toEqual('1: Object');
|
|
expect(firstSF.nativeElement.selected).toBe(true);
|
|
});
|
|
})));
|
|
|
|
it('when option values have same content, but different identities',
|
|
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
|
|
const t = `<div>
|
|
<select [(ngModel)]="selectedCity">
|
|
<option *ngFor="let c of list" [ngValue]="c">{{c['name']}}</option>
|
|
</select>
|
|
</div>`;
|
|
|
|
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
|
|
|
|
var testComp = fixture.debugElement.componentInstance;
|
|
testComp.list = [{'name': 'SF'}, {'name': 'NYC'}, {'name': 'NYC'}];
|
|
testComp.selectedCity = testComp.list[0];
|
|
fixture.detectChanges();
|
|
|
|
testComp.selectedCity = testComp.list[2];
|
|
fixture.detectChanges();
|
|
tick();
|
|
|
|
var select = fixture.debugElement.query(By.css('select'));
|
|
var secondNYC = fixture.debugElement.queryAll(By.css('option'))[2];
|
|
|
|
expect(select.nativeElement.value).toEqual('2: Object');
|
|
expect(secondNYC.nativeElement.selected).toBe(true);
|
|
});
|
|
})));
|
|
});
|
|
|
|
describe('ngModel corner cases', () => {
|
|
it('should update the view when the model is set back to what used to be in the view',
|
|
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
|
|
const t = `<input type="text" [(ngModel)]="name">`;
|
|
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
|
|
tick();
|
|
fixture.debugElement.componentInstance.name = '';
|
|
fixture.detectChanges();
|
|
|
|
// Type "aa" into the input.
|
|
var input = fixture.debugElement.query(By.css('input')).nativeElement;
|
|
input.value = 'aa';
|
|
input.selectionStart = 1;
|
|
dispatchEvent(input, 'input');
|
|
|
|
fixture.detectChanges();
|
|
tick();
|
|
expect(fixture.debugElement.componentInstance.name).toEqual('aa');
|
|
|
|
// Programmatically update the input value to be "bb".
|
|
fixture.debugElement.componentInstance.name = 'bb';
|
|
fixture.detectChanges();
|
|
tick();
|
|
expect(input.value).toEqual('bb');
|
|
|
|
// Programatically set it back to "aa".
|
|
fixture.debugElement.componentInstance.name = 'aa';
|
|
fixture.detectChanges();
|
|
tick();
|
|
expect(input.value).toEqual('aa');
|
|
})));
|
|
|
|
it('should not crash when validity is checked from a binding',
|
|
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
|
|
// {{x.valid}} used to crash because valid() tried to read a property
|
|
// from form.control before it was set. This test verifies this bug is
|
|
// fixed.
|
|
const t = `<form><div ngModelGroup="x" #x="ngModelGroup">
|
|
<input type="text" name="test" ngModel></div>{{x.valid}}</form>`;
|
|
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
|
|
tick();
|
|
fixture.detectChanges();
|
|
})));
|
|
});
|
|
|
|
});
|
|
};
|
|
|
|
@Component({selector: 'my-comp', template: '', directives: [NgIf, NgFor]})
|
|
class MyComp8 {
|
|
form: any;
|
|
name: string;
|
|
data: any;
|
|
list: any[];
|
|
selectedCity: any;
|
|
customTrackBy(index: number, obj: any): number { return index; };
|
|
}
|
|
|
|
function sortedClassList(el: any /** TODO #9100 */) {
|
|
var l = getDOM().classList(el);
|
|
ListWrapper.sort(l);
|
|
return l;
|
|
}
|