angular-cn/modules/@angular/forms/test/integration_spec.ts

1848 lines
74 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {NgFor, NgIf} from '@angular/common';
import {TestComponentBuilder} from '@angular/compiler/testing';
import {Component, Directive, EventEmitter, Output} from '@angular/core';
import {Input, Provider, forwardRef} from '@angular/core';
import {ComponentFixture, configureModule, fakeAsync, flushMicrotasks, tick} from '@angular/core/testing';
import {afterEach, beforeEach, ddescribe, describe, expect, iit, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
import {AsyncTestCompleter} from '@angular/core/testing/testing_internal';
import {ControlValueAccessor, FORM_DIRECTIVES, FORM_PROVIDERS, FormArray, FormControl, FormGroup, FormsModule, NG_ASYNC_VALIDATORS, NG_VALIDATORS, NgControl, NgForm, NgModel, REACTIVE_FORM_DIRECTIVES, ReactiveFormsModule, Validator, Validators} from '@angular/forms';
import {By} from '@angular/platform-browser/src/dom/debug/by';
import {getDOM} from '@angular/platform-browser/src/dom/dom_adapter';
import {dispatchEvent} from '@angular/platform-browser/testing/browser_util';
import {ObservableWrapper, TimerWrapper} from '../src/facade/async';
import {ListWrapper} from '../src/facade/collection';
import {PromiseWrapper} from '../src/facade/promise';
export function main() {
describe('integration tests', () => {
beforeEach(() => { configureModule({modules: [FormsModule, ReactiveFormsModule]}); });
it('should initialize DOM elements with the given form object',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'login': new FormControl('loginValue')});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('loginValue');
async.done();
});
}));
it('should throw if a form isn\'t passed into formGroup',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
expect(() => fixture.detectChanges())
.toThrowError(new RegExp(`formGroup expects a FormGroup instance`));
async.done();
});
}));
it('should update the form group values on DOM change',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form = new FormGroup({'login': new FormControl('oldValue')});
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
input.nativeElement.value = 'updatedValue';
dispatchEvent(input.nativeElement, 'input');
expect(form.value).toEqual({'login': 'updatedValue'});
async.done();
});
}));
it('should ignore the change event for <input type=text>',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form = new FormGroup({'login': new FormControl('oldValue')});
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
input.nativeElement.value = 'updatedValue';
ObservableWrapper.subscribe(
form.valueChanges, (value) => { throw 'Should not happen'; });
dispatchEvent(input.nativeElement, 'change');
async.done();
});
}));
it('should emit ngSubmit event on submit',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<div>
<form [formGroup]="form" (ngSubmit)="name='updated'"></form>
<span>{{name}}</span>
</div>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.form = new FormGroup({});
fixture.debugElement.componentInstance.name = 'old';
tick();
var form = fixture.debugElement.query(By.css('form'));
dispatchEvent(form.nativeElement, 'submit');
tick();
expect(fixture.debugElement.componentInstance.name).toEqual('updated');
})));
it('should mark NgForm as submitted on submit event',
inject([TestComponentBuilder], fakeAsync((tcb: TestComponentBuilder) => {
const t = `<div>
<form #f="ngForm" (ngSubmit)="data=f.submitted"></form>
<span>{{data}}</span>
</div>`;
var fixture: ComponentFixture<MyComp8>;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((root) => {
fixture = root;
});
tick();
fixture.debugElement.componentInstance.data = false;
tick();
var form = fixture.debugElement.query(By.css('form'));
dispatchEvent(form.nativeElement, 'submit');
tick();
expect(fixture.debugElement.componentInstance.data).toEqual(true);
})));
it('should mark formGroup as submitted on submit event',
inject([TestComponentBuilder], fakeAsync((tcb: TestComponentBuilder) => {
const t = `<div>
<form #f="ngForm" [formGroup]="form" (ngSubmit)="data=f.submitted"></form>
<span>{{data}}</span>
</div>`;
var fixture: ComponentFixture<MyComp8>;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((root) => {
fixture = root;
});
tick();
fixture.debugElement.componentInstance.form = new FormGroup({});
fixture.debugElement.componentInstance.data = false;
tick();
var form = fixture.debugElement.query(By.css('form'));
dispatchEvent(form.nativeElement, 'submit');
tick();
expect(fixture.debugElement.componentInstance.data).toEqual(true);
})));
it('should work with single controls',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var control = new FormControl('loginValue');
const t = `<div><input type="text" [formControl]="form"></div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = control;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('loginValue');
input.nativeElement.value = 'updatedValue';
dispatchEvent(input.nativeElement, 'input');
expect(control.value).toEqual('updatedValue');
async.done();
});
}));
it('should update DOM elements when rebinding the form group',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'login': new FormControl('oldValue')});
fixture.detectChanges();
fixture.debugElement.componentInstance.form =
new FormGroup({'login': new FormControl('newValue')});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('newValue');
async.done();
});
}));
it('should update DOM elements when updating the value of a control',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var login = new FormControl('oldValue');
var form = new FormGroup({'login': login});
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
login.updateValue('newValue');
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('newValue');
async.done();
});
}));
it('should mark controls as touched after interacting with the DOM control',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var login = new FormControl('oldValue');
var form = new FormGroup({'login': login});
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var loginEl = fixture.debugElement.query(By.css('input'));
expect(login.touched).toBe(false);
dispatchEvent(loginEl.nativeElement, 'blur');
expect(login.touched).toBe(true);
async.done();
});
}));
it('should support form arrays',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const cityArray = new FormArray([new FormControl('SF'), new FormControl('NY')]);
const form = new FormGroup({cities: cityArray});
const t = `<div [formGroup]="form">
<div formArrayName="cities">
<div *ngFor="let city of cityArray.controls; let i=index">
<input [formControlName]="i">
</div>
</div>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.debugElement.componentInstance.cityArray = cityArray;
fixture.detectChanges();
tick();
const inputs = fixture.debugElement.queryAll(By.css('input'));
expect(inputs[0].nativeElement.value).toEqual('SF');
expect(inputs[1].nativeElement.value).toEqual('NY');
expect(fixture.componentInstance.form.value).toEqual({cities: ['SF', 'NY']});
inputs[0].nativeElement.value = 'LA';
dispatchEvent(inputs[0].nativeElement, 'input');
fixture.detectChanges();
tick();
expect(fixture.componentInstance.form.value).toEqual({cities: ['LA', 'NY']});
});
})));
it('should support pushing new controls to form arrays',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const cityArray = new FormArray([new FormControl('SF'), new FormControl('NY')]);
const form = new FormGroup({cities: cityArray});
const t = `<div [formGroup]="form">
<div formArrayName="cities">
<div *ngFor="let city of cityArray.controls; let i=index">
<input [formControlName]="i">
</div>
</div>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.debugElement.componentInstance.cityArray = cityArray;
fixture.detectChanges();
tick();
cityArray.push(new FormControl('LA'));
fixture.detectChanges();
tick();
const inputs = fixture.debugElement.queryAll(By.css('input'));
expect(inputs[2].nativeElement.value).toEqual('LA');
expect(fixture.componentInstance.form.value).toEqual({cities: ['SF', 'NY', 'LA']});
});
})));
describe('different control types', () => {
it('should support <input type=text>',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input type="text" formControlName="text">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'text': new FormControl('old')});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('old');
input.nativeElement.value = 'new';
dispatchEvent(input.nativeElement, 'input');
expect(fixture.debugElement.componentInstance.form.value).toEqual({'text': 'new'});
async.done();
});
}));
it('should support <input> without type',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input formControlName="text">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'text': new FormControl('old')});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('old');
input.nativeElement.value = 'new';
dispatchEvent(input.nativeElement, 'input');
expect(fixture.debugElement.componentInstance.form.value).toEqual({'text': 'new'});
async.done();
});
}));
it('should support <textarea>',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<textarea formControlName="text"></textarea>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'text': new FormControl('old')});
fixture.detectChanges();
var textarea = fixture.debugElement.query(By.css('textarea'));
expect(textarea.nativeElement.value).toEqual('old');
textarea.nativeElement.value = 'new';
dispatchEvent(textarea.nativeElement, 'input');
expect(fixture.debugElement.componentInstance.form.value).toEqual({'text': 'new'});
async.done();
});
}));
it('should support <type=checkbox>',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input type="checkbox" formControlName="checkbox">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'checkbox': new FormControl(true)});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.checked).toBe(true);
input.nativeElement.checked = false;
dispatchEvent(input.nativeElement, 'change');
expect(fixture.debugElement.componentInstance.form.value).toEqual({
'checkbox': false
});
async.done();
});
}));
it('should support <type=number>',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input type="number" formControlName="num">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'num': new FormControl(10)});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('10');
input.nativeElement.value = '20';
dispatchEvent(input.nativeElement, 'input');
expect(fixture.debugElement.componentInstance.form.value).toEqual({'num': 20});
async.done();
});
}));
it('should support <type=number> when value is cleared in the UI',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input type="number" formControlName="num" required>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'num': new FormControl(10)});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
input.nativeElement.value = '';
dispatchEvent(input.nativeElement, 'input');
expect(fixture.debugElement.componentInstance.form.valid).toBe(false);
expect(fixture.debugElement.componentInstance.form.value).toEqual({'num': null});
input.nativeElement.value = '0';
dispatchEvent(input.nativeElement, 'input');
expect(fixture.debugElement.componentInstance.form.valid).toBe(true);
expect(fixture.debugElement.componentInstance.form.value).toEqual({'num': 0});
async.done();
});
}));
it('should support <type=number> when value is cleared programmatically',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form = new FormGroup({'num': new FormControl(10)});
const t = `<div [formGroup]="form">
<input type="number" formControlName="num" [(ngModel)]="data">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.debugElement.componentInstance.data = null;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('');
async.done();
});
}));
it('should support <type=radio>',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<form [formGroup]="form">
<input type="radio" formControlName="food" value="chicken">
<input type="radio" formControlName="food" value="fish">
</form>`;
const ctrl = new FormControl('fish');
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = new FormGroup({'food': ctrl});
fixture.detectChanges();
var inputs = fixture.debugElement.queryAll(By.css('input'));
expect(inputs[0].nativeElement.checked).toEqual(false);
expect(inputs[1].nativeElement.checked).toEqual(true);
dispatchEvent(inputs[0].nativeElement, 'change');
fixture.detectChanges();
let value = fixture.debugElement.componentInstance.form.value;
expect(value.food).toEqual('chicken');
expect(inputs[1].nativeElement.checked).toEqual(false);
ctrl.updateValue('fish');
fixture.detectChanges();
expect(inputs[0].nativeElement.checked).toEqual(false);
expect(inputs[1].nativeElement.checked).toEqual(true);
async.done();
});
}));
it('should use formControlName to group radio buttons when name is absent',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<form [formGroup]="form">
<input type="radio" formControlName="food" value="chicken">
<input type="radio" formControlName="food" value="fish">
<input type="radio" formControlName="drink" value="cola">
<input type="radio" formControlName="drink" value="sprite">
</form>`;
const foodCtrl = new FormControl('fish');
const drinkCtrl = new FormControl('sprite');
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'food': foodCtrl, 'drink': drinkCtrl});
fixture.detectChanges();
const inputs = fixture.debugElement.queryAll(By.css('input'));
expect(inputs[0].nativeElement.checked).toEqual(false);
expect(inputs[1].nativeElement.checked).toEqual(true);
expect(inputs[2].nativeElement.checked).toEqual(false);
expect(inputs[3].nativeElement.checked).toEqual(true);
dispatchEvent(inputs[0].nativeElement, 'change');
inputs[0].nativeElement.checked = true;
fixture.detectChanges();
const value = fixture.debugElement.componentInstance.form.value;
expect(value.food).toEqual('chicken');
expect(inputs[1].nativeElement.checked).toEqual(false);
expect(inputs[2].nativeElement.checked).toEqual(false);
expect(inputs[3].nativeElement.checked).toEqual(true);
drinkCtrl.updateValue('cola');
fixture.detectChanges();
expect(inputs[0].nativeElement.checked).toEqual(true);
expect(inputs[1].nativeElement.checked).toEqual(false);
expect(inputs[2].nativeElement.checked).toEqual(true);
expect(inputs[3].nativeElement.checked).toEqual(false);
async.done();
});
}));
it('should throw if radio button name does not match formControlName attr',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<form [formGroup]="form">
<input type="radio" formControlName="food" name="drink" value="chicken">
</form>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'food': new FormControl('fish')});
expect(() => fixture.detectChanges())
.toThrowError(new RegExp('If you define both a name and a formControlName'));
async.done();
});
}));
it('should support removing controls from <type=radio>',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `
<input type="radio" [formControl]="showRadio" value="yes">
<input type="radio" [formControl]="showRadio" value="no">
<form [formGroup]="form">
<div *ngIf="showRadio.value === 'yes'">
<input type="radio" formControlName="food" value="chicken">
<input type="radio" formControlName="food" value="fish">
</div>
</form>`;
const ctrl = new FormControl('fish');
const showRadio = new FormControl('yes');
const form = new FormGroup({'food': ctrl});
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.debugElement.componentInstance.showRadio = showRadio;
showRadio.valueChanges.subscribe((change) => {
(change === 'yes') ? form.addControl('food', new FormControl('fish')) :
form.removeControl('food');
});
fixture.detectChanges();
const input = fixture.debugElement.query(By.css('[value="no"]'));
dispatchEvent(input.nativeElement, 'change');
fixture.detectChanges();
expect(form.value).toEqual({});
async.done();
});
}));
describe('should support <select>', () => {
it('with basic selection',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<select>
<option value="SF"></option>
<option value="NYC"></option>
</select>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.detectChanges();
var select = fixture.debugElement.query(By.css('select'));
var sfOption = fixture.debugElement.query(By.css('option'));
expect(select.nativeElement.value).toEqual('SF');
expect(sfOption.nativeElement.selected).toBe(true);
async.done();
});
}));
it('with basic selection and value bindings',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<select>
<option *ngFor="let city of list" [value]="city['id']">
{{ city['name'] }}
</option>
</select>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
var testComp = fixture.debugElement.componentInstance;
testComp.list = [{'id': '0', 'name': 'SF'}, {'id': '1', 'name': 'NYC'}];
fixture.detectChanges();
var sfOption = fixture.debugElement.query(By.css('option'));
expect(sfOption.nativeElement.value).toEqual('0');
testComp.list[0]['id'] = '2';
fixture.detectChanges();
expect(sfOption.nativeElement.value).toEqual('2');
async.done();
});
}));
it('with ngControl',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<select formControlName="city">
<option value="SF"></option>
<option value="NYC"></option>
</select>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'city': new FormControl('SF')});
fixture.detectChanges();
var select = fixture.debugElement.query(By.css('select'));
var sfOption = fixture.debugElement.query(By.css('option'));
expect(select.nativeElement.value).toEqual('SF');
expect(sfOption.nativeElement.selected).toBe(true);
select.nativeElement.value = 'NYC';
dispatchEvent(select.nativeElement, 'change');
expect(fixture.debugElement.componentInstance.form.value).toEqual({
'city': 'NYC'
});
expect(sfOption.nativeElement.selected).toBe(false);
async.done();
});
}));
it('with a dynamic list of options',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<div [formGroup]="form">
<select formControlName="city">
<option *ngFor="let c of data" [value]="c"></option>
</select>
</div>`;
var fixture: any /** TODO #9100 */;
tcb.overrideTemplate(MyComp8, t)
.createAsync(MyComp8)
.then((compFixture) => fixture = compFixture);
tick();
fixture.debugElement.componentInstance.form =
new FormGroup({'city': new FormControl('NYC')});
fixture.debugElement.componentInstance.data = ['SF', 'NYC'];
fixture.detectChanges();
tick();
var select = fixture.debugElement.query(By.css('select'));
expect(select.nativeElement.value).toEqual('NYC');
})));
it('with option values that are objects',
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': 'Buffalo'}];
testComp.selectedCity = testComp.list[1];
fixture.detectChanges();
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);
});
})));
});
it('should support custom value accessors',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<input type="text" formControlName="name" wrapped-value>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'name': new FormControl('aa')});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('!aa!');
input.nativeElement.value = '!bb!';
dispatchEvent(input.nativeElement, 'input');
expect(fixture.debugElement.componentInstance.form.value).toEqual({'name': 'bb'});
async.done();
});
}));
it('should support custom value accessors on non builtin input elements that fire a change event without a \'target\' property',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div [formGroup]="form">
<my-input formControlName="name"></my-input>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form =
new FormGroup({'name': new FormControl('aa')});
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('my-input'));
expect(input.componentInstance.value).toEqual('!aa!');
input.componentInstance.value = '!bb!';
ObservableWrapper.subscribe(input.componentInstance.onInput, (value) => {
expect(fixture.debugElement.componentInstance.form.value).toEqual({
'name': 'bb'
});
async.done();
});
input.componentInstance.dispatchChangeEvent();
});
}));
});
describe('validations', () => {
it('should use sync validators defined in html',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form = new FormGroup({
'login': new FormControl(''),
'min': new FormControl(''),
'max': new FormControl('')
});
const t = `<div [formGroup]="form" login-is-empty-validator>
<input type="text" formControlName="login" required>
<input type="text" formControlName="min" minlength="3">
<input type="text" formControlName="max" maxlength="3">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var required = fixture.debugElement.query(By.css('[required]'));
var minLength = fixture.debugElement.query(By.css('[minlength]'));
var maxLength = fixture.debugElement.query(By.css('[maxlength]'));
required.nativeElement.value = '';
minLength.nativeElement.value = '1';
maxLength.nativeElement.value = '1234';
dispatchEvent(required.nativeElement, 'input');
dispatchEvent(minLength.nativeElement, 'input');
dispatchEvent(maxLength.nativeElement, 'input');
expect(form.hasError('required', ['login'])).toEqual(true);
expect(form.hasError('minlength', ['min'])).toEqual(true);
expect(form.hasError('maxlength', ['max'])).toEqual(true);
expect(form.hasError('loginIsEmpty')).toEqual(true);
required.nativeElement.value = '1';
minLength.nativeElement.value = '123';
maxLength.nativeElement.value = '123';
dispatchEvent(required.nativeElement, 'input');
dispatchEvent(minLength.nativeElement, 'input');
dispatchEvent(maxLength.nativeElement, 'input');
expect(form.valid).toEqual(true);
async.done();
});
}));
it('should use async validators defined in the html',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
var form = new FormGroup({'login': new FormControl('')});
const t = `<div [formGroup]="form">
<input type="text" formControlName="login" uniq-login-validator="expected">
</div>`;
var rootTC: any /** TODO #9100 */;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((root) => rootTC = root);
tick();
rootTC.debugElement.componentInstance.form = form;
rootTC.detectChanges();
expect(form.pending).toEqual(true);
tick(100);
expect(form.hasError('uniqLogin', ['login'])).toEqual(true);
var input = rootTC.debugElement.query(By.css('input'));
input.nativeElement.value = 'expected';
dispatchEvent(input.nativeElement, 'input');
tick(100);
expect(form.valid).toEqual(true);
})));
it('should use sync validators defined in the model',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form = new FormGroup({'login': new FormControl('aa', Validators.required)});
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
expect(form.valid).toEqual(true);
var input = fixture.debugElement.query(By.css('input'));
input.nativeElement.value = '';
dispatchEvent(input.nativeElement, 'input');
expect(form.valid).toEqual(false);
async.done();
});
}));
it('should use async validators defined in the model',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
var control =
new FormControl('', Validators.required, uniqLoginAsyncValidator('expected'));
var form = new FormGroup({'login': control});
const t = `<div [formGroup]="form">
<input type="text" formControlName="login">
</div>`;
var fixture: any /** TODO #9100 */;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((root) => fixture = root);
tick();
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
expect(form.hasError('required', ['login'])).toEqual(true);
var input = fixture.debugElement.query(By.css('input'));
input.nativeElement.value = 'wrong value';
dispatchEvent(input.nativeElement, 'input');
expect(form.pending).toEqual(true);
tick();
expect(form.hasError('uniqLogin', ['login'])).toEqual(true);
input.nativeElement.value = 'expected';
dispatchEvent(input.nativeElement, 'input');
tick();
expect(form.valid).toEqual(true);
})));
});
describe('nested forms', () => {
it('should init DOM with the given form object',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form =
new FormGroup({'nested': new FormGroup({'login': new FormControl('value')})});
const t = `<div [formGroup]="form">
<div formGroupName="nested">
<input type="text" formControlName="login">
</div>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
expect(input.nativeElement.value).toEqual('value');
async.done();
});
}));
it('should update the control group values on DOM change',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form =
new FormGroup({'nested': new FormGroup({'login': new FormControl('value')})});
const t = `<div [formGroup]="form">
<div formGroupName="nested">
<input type="text" formControlName="login">
</div>
</div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input'));
input.nativeElement.value = 'updatedValue';
dispatchEvent(input.nativeElement, 'input');
expect(form.value).toEqual({'nested': {'login': 'updatedValue'}});
async.done();
});
}));
});
it('should support ngModel for complex forms',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
var form = new FormGroup({'name': new FormControl('')});
const t =
`<div [formGroup]="form"><input type="text" formControlName="name" [(ngModel)]="name"></div>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.name = 'oldValue';
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input')).nativeElement;
expect(input.value).toEqual('oldValue');
input.value = 'updatedValue';
dispatchEvent(input, 'input');
tick();
expect(fixture.debugElement.componentInstance.name).toEqual('updatedValue');
})));
it('should support ngModel for single fields',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
var form = new FormControl('');
const t = `<div><input type="text" [formControl]="form" [(ngModel)]="name"></div>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.form = form;
fixture.debugElement.componentInstance.name = 'oldValue';
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input')).nativeElement;
expect(input.value).toEqual('oldValue');
input.value = 'updatedValue';
dispatchEvent(input, 'input');
tick();
expect(fixture.debugElement.componentInstance.name).toEqual('updatedValue');
})));
describe('template-driven forms', () => {
it('should add new controls and control groups',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<form>
<div ngModelGroup="user">
<input type="text" name="login" ngModel>
</div>
</form>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.name = null;
fixture.detectChanges();
var form = fixture.debugElement.children[0].injector.get(NgForm);
expect(form.controls['user']).not.toBeDefined();
tick();
expect(form.controls['user']).toBeDefined();
expect(form.controls['user'].controls['login']).toBeDefined();
})));
it('should emit ngSubmit event on submit',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<div><form (ngSubmit)="name='updated'"></form></div>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.name = 'old';
var form = fixture.debugElement.query(By.css('form'));
dispatchEvent(form.nativeElement, 'submit');
tick();
expect(fixture.debugElement.componentInstance.name).toEqual('updated');
})));
it('should emit valueChanges and statusChanges on init',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<form>
<input type="text" name="first" [ngModel]="name" minlength="3">
</form>`;
const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
const form = fixture.debugElement.children[0].injector.get(NgForm);
fixture.debugElement.componentInstance.name = 'aa';
fixture.detectChanges();
expect(form.valid).toEqual(true);
expect(form.value).toEqual({});
let formValidity: string;
let formValue: Object;
ObservableWrapper.subscribe(
form.statusChanges, (status: string) => { formValidity = status; });
ObservableWrapper.subscribe(
form.valueChanges, (value: string) => { formValue = value; });
tick();
expect(formValidity).toEqual('INVALID');
expect(formValue).toEqual({first: 'aa'});
})));
it('should not create a template-driven form when ngNoForm is used',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<form ngNoForm>
</form>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.name = null;
fixture.detectChanges();
expect(fixture.debugElement.children[0].providerTokens.length).toEqual(0);
async.done();
});
}));
it('should remove controls',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<form>
<div *ngIf="name == 'show'">
<input type="text" name="login" ngModel>
</div>
</form>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.name = 'show';
fixture.detectChanges();
tick();
var form = fixture.debugElement.children[0].injector.get(NgForm);
expect(form.controls['login']).toBeDefined();
fixture.debugElement.componentInstance.name = 'hide';
fixture.detectChanges();
tick();
expect(form.controls['login']).not.toBeDefined();
})));
it('should remove control groups',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<form>
<div *ngIf="name=='show'" ngModelGroup="user">
<input type="text" name="login" ngModel>
</div>
</form>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.name = 'show';
fixture.detectChanges();
tick();
var form = fixture.debugElement.children[0].injector.get(NgForm);
expect(form.controls['user']).toBeDefined();
fixture.debugElement.componentInstance.name = 'hide';
fixture.detectChanges();
tick();
expect(form.controls['user']).not.toBeDefined();
})));
it('should support ngModel for complex forms',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<form>
<input type="text" name="name" [(ngModel)]="name">
</form>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.name = 'oldValue';
fixture.detectChanges();
tick();
var input = fixture.debugElement.query(By.css('input')).nativeElement;
expect(input.value).toEqual('oldValue');
input.value = 'updatedValue';
dispatchEvent(input, 'input');
tick();
expect(fixture.debugElement.componentInstance.name).toEqual('updatedValue');
})));
it('should support ngModel for single fields',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<div><input type="text" [(ngModel)]="name"></div>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.name = 'oldValue';
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input')).nativeElement;
tick();
expect(input.value).toEqual('oldValue');
input.value = 'updatedValue';
dispatchEvent(input, 'input');
tick();
expect(fixture.debugElement.componentInstance.name).toEqual('updatedValue');
})));
it('should support ngModel registration with a parent form',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `
<form>
<input name="first" [(ngModel)]="name" maxlength="4">
</form>
`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.name = 'Nancy';
fixture.detectChanges();
var form = fixture.debugElement.children[0].injector.get(NgForm);
tick();
expect(form.value).toEqual({first: 'Nancy'});
expect(form.valid).toBe(false);
})));
it('should throw if ngModel has a parent form but no name attr or standalone label',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<form>
<input [(ngModel)]="name">
</form>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
expect(() => fixture.detectChanges())
.toThrowError(new RegExp(`name attribute must be set`));
async.done();
});
}));
it('should not throw if ngModel has a parent form, no name attr, and a standalone label',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<form>
<input [(ngModel)]="name" [ngModelOptions]="{standalone: true}">
</form>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
expect(() => fixture.detectChanges()).not.toThrow();
async.done();
});
}));
it('should override name attribute with ngModelOptions name if provided',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `
<form>
<input name="one" [(ngModel)]="data" [ngModelOptions]="{name: 'two'}">
</form>
`;
const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.data = 'some data';
fixture.detectChanges();
const form = fixture.debugElement.children[0].injector.get(NgForm);
tick();
expect(form.value).toEqual({two: 'some data'});
})));
it('should not register standalone ngModels with parent form',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `
<form>
<input name="one" [(ngModel)]="data">
<input [(ngModel)]="list" [ngModelOptions]="{standalone: true}">
</form>
`;
const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.data = 'some data';
fixture.debugElement.componentInstance.list = 'should not show';
fixture.detectChanges();
const form = fixture.debugElement.children[0].injector.get(NgForm);
const inputs = fixture.debugElement.queryAll(By.css('input'));
tick();
expect(form.value).toEqual({one: 'some data'});
expect(inputs[1].nativeElement.value).toEqual('should not show');
})));
it('should support <type=radio>',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<form>
<input type="radio" name="food" [(ngModel)]="data.food" value="chicken">
<input type="radio" name="food" [(ngModel)]="data.food" value="fish">
</form>`;
const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.data = {food: 'fish'};
fixture.detectChanges();
tick();
const inputs = fixture.debugElement.queryAll(By.css('input'));
expect(inputs[0].nativeElement.checked).toEqual(false);
expect(inputs[1].nativeElement.checked).toEqual(true);
dispatchEvent(inputs[0].nativeElement, 'change');
tick();
const data = fixture.debugElement.componentInstance.data;
expect(data.food).toEqual('chicken');
expect(inputs[1].nativeElement.checked).toEqual(false);
})));
it('should support multiple named <type=radio> groups',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
const t = `<form>
<input type="radio" name="food" [(ngModel)]="data.food" value="chicken">
<input type="radio" name="food" [(ngModel)]="data.food" value="fish">
<input type="radio" name="drink" [(ngModel)]="data.drink" value="cola">
<input type="radio" name="drink" [(ngModel)]="data.drink" value="sprite">
</form>`;
const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.data = {food: 'fish', drink: 'sprite'};
fixture.detectChanges();
tick();
const inputs = fixture.debugElement.queryAll(By.css('input'));
expect(inputs[0].nativeElement.checked).toEqual(false);
expect(inputs[1].nativeElement.checked).toEqual(true);
expect(inputs[2].nativeElement.checked).toEqual(false);
expect(inputs[3].nativeElement.checked).toEqual(true);
dispatchEvent(inputs[0].nativeElement, 'change');
tick();
const data = fixture.debugElement.componentInstance.data;
expect(data.food).toEqual('chicken');
expect(data.drink).toEqual('sprite');
expect(inputs[1].nativeElement.checked).toEqual(false);
expect(inputs[2].nativeElement.checked).toEqual(false);
expect(inputs[3].nativeElement.checked).toEqual(true);
})));
});
describe('setting status classes', () => {
it('should work with single fields',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form = new FormControl('', Validators.required);
const t = `<div><input type="text" [formControl]="form"></div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input')).nativeElement;
expect(sortedClassList(input)).toEqual([
'ng-invalid', 'ng-pristine', 'ng-untouched'
]);
dispatchEvent(input, 'blur');
fixture.detectChanges();
expect(sortedClassList(input)).toEqual([
'ng-invalid', 'ng-pristine', 'ng-touched'
]);
input.value = 'updatedValue';
dispatchEvent(input, 'input');
fixture.detectChanges();
expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']);
async.done();
});
}));
it('should work with complex model-driven forms',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
var form = new FormGroup({'name': new FormControl('', Validators.required)});
const t =
`<form [formGroup]="form"><input type="text" formControlName="name"></form>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input')).nativeElement;
expect(sortedClassList(input)).toEqual([
'ng-invalid', 'ng-pristine', 'ng-untouched'
]);
dispatchEvent(input, 'blur');
fixture.detectChanges();
expect(sortedClassList(input)).toEqual([
'ng-invalid', 'ng-pristine', 'ng-touched'
]);
input.value = 'updatedValue';
dispatchEvent(input, 'input');
fixture.detectChanges();
expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']);
async.done();
});
}));
it('should work with ngModel',
inject(
[TestComponentBuilder, AsyncTestCompleter],
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
const t = `<div><input [(ngModel)]="name" required></div>`;
tcb.overrideTemplate(MyComp8, t).createAsync(MyComp8).then((fixture) => {
fixture.debugElement.componentInstance.name = '';
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input')).nativeElement;
expect(sortedClassList(input)).toEqual([
'ng-invalid', 'ng-pristine', 'ng-untouched'
]);
dispatchEvent(input, 'blur');
fixture.detectChanges();
expect(sortedClassList(input)).toEqual([
'ng-invalid', 'ng-pristine', 'ng-touched'
]);
input.value = 'updatedValue';
dispatchEvent(input, 'input');
fixture.detectChanges();
expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']);
async.done();
});
}));
});
describe('ngModel corner cases', () => {
it('should not update the view when the value initially came from the view',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
var form = new FormControl('');
const t = `<div><input type="text" [formControl]="form" [(ngModel)]="name"></div>`;
let fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
tick();
fixture.debugElement.componentInstance.form = form;
fixture.detectChanges();
var input = fixture.debugElement.query(By.css('input')).nativeElement;
input.value = 'aa';
input.setSelectionRange(1, 2);
dispatchEvent(input, 'input');
tick();
fixture.detectChanges();
// selection start has not changed because we did not reset the value
expect(input.selectionStart).toEqual(1);
})));
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();
})));
});
});
}
@Directive({
selector: '[wrapped-value]',
host: {'(input)': 'handleOnInput($event.target.value)', '[value]': 'value'}
})
class WrappedValue implements ControlValueAccessor {
value: any /** TODO #9100 */;
onChange: Function;
constructor(cd: NgControl) { cd.valueAccessor = this; }
writeValue(value: any /** TODO #9100 */) { this.value = `!${value}!`; }
registerOnChange(fn: any /** TODO #9100 */) { this.onChange = fn; }
registerOnTouched(fn: any /** TODO #9100 */) {}
handleOnInput(value: any /** TODO #9100 */) {
this.onChange(value.substring(1, value.length - 1));
}
}
@Component({selector: 'my-input', template: ''})
class MyInput implements ControlValueAccessor {
@Output('input') onInput = new EventEmitter();
value: string;
constructor(cd: NgControl) { cd.valueAccessor = this; }
writeValue(value: any /** TODO #9100 */) { this.value = `!${value}!`; }
registerOnChange(fn: any /** TODO #9100 */) { ObservableWrapper.subscribe(this.onInput, fn); }
registerOnTouched(fn: any /** TODO #9100 */) {}
dispatchChangeEvent() {
ObservableWrapper.callEmit(this.onInput, this.value.substring(1, this.value.length - 1));
}
}
function uniqLoginAsyncValidator(expectedValue: string) {
return (c: any /** TODO #9100 */) => {
var completer = PromiseWrapper.completer();
var res = (c.value == expectedValue) ? null : {'uniqLogin': true};
completer.resolve(res);
return completer.promise;
};
}
function loginIsEmptyGroupValidator(c: FormGroup) {
return c.controls['login'].value == '' ? {'loginIsEmpty': true} : null;
}
@Directive({
selector: '[login-is-empty-validator]',
providers: [
/* @ts2dart_Provider */ {
provide: NG_VALIDATORS,
useValue: loginIsEmptyGroupValidator,
multi: true
}
]
})
class LoginIsEmptyValidator {
}
@Directive({
selector: '[uniq-login-validator]',
providers: [{
provide: NG_ASYNC_VALIDATORS,
useExisting: forwardRef(() => UniqLoginValidator),
multi: true
}]
})
class UniqLoginValidator implements Validator {
@Input('uniq-login-validator') expected: any /** TODO #9100 */;
validate(c: any /** TODO #9100 */) { return uniqLoginAsyncValidator(this.expected)(c); }
}
@Component({
selector: 'my-comp',
template: '',
directives: [WrappedValue, MyInput, NgIf, NgFor, LoginIsEmptyValidator, UniqLoginValidator]
})
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;
}