623 lines
21 KiB
TypeScript
623 lines
21 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 {EventEmitter} from '@angular/core';
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import {defineComponent, defineDirective} from '../../src/render3/index';
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import {bind, container, containerRefreshEnd, containerRefreshStart, element, elementEnd, elementProperty, elementStart, embeddedViewEnd, embeddedViewStart, interpolation1, listener, load, reference, text, textBinding} from '../../src/render3/instructions';
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import {RenderFlags} from '../../src/render3/interfaces/definition';
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import {NO_CHANGE} from '../../src/render3/tokens';
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import {ComponentFixture, createComponent, renderToHtml} from './render_util';
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describe('elementProperty', () => {
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it('should support bindings to properties', () => {
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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element(0, 'span');
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'id', bind(ctx.id));
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}
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}, 1, 1);
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const fixture = new ComponentFixture(App);
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fixture.component.id = 'testId';
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fixture.update();
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expect(fixture.html).toEqual('<span id="testId"></span>');
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fixture.component.id = 'otherId';
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fixture.update();
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expect(fixture.html).toEqual('<span id="otherId"></span>');
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});
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it('should support creation time bindings to properties', () => {
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function expensive(ctx: string): any {
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if (ctx === 'cheapId') {
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return ctx;
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} else {
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throw 'Too expensive!';
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}
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}
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function Template(rf: RenderFlags, ctx: string) {
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if (rf & RenderFlags.Create) {
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element(0, 'span');
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elementProperty(0, 'id', expensive(ctx));
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}
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}
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expect(renderToHtml(Template, 'cheapId', 1)).toEqual('<span id="cheapId"></span>');
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expect(renderToHtml(Template, 'expensiveId', 1)).toEqual('<span id="cheapId"></span>');
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});
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it('should support interpolation for properties', () => {
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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element(0, 'span');
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'id', interpolation1('_', ctx.id, '_'));
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}
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}, 1, 1);
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const fixture = new ComponentFixture(App);
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fixture.component.id = 'testId';
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fixture.update();
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expect(fixture.html).toEqual('<span id="_testId_"></span>');
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fixture.component.id = 'otherId';
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fixture.update();
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expect(fixture.html).toEqual('<span id="_otherId_"></span>');
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});
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describe('input properties', () => {
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let button: MyButton;
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let otherDir: OtherDir;
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let otherDisabledDir: OtherDisabledDir;
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let idDir: IdDir;
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class MyButton {
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// TODO(issue/24571): remove '!'.
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disabled !: boolean;
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static ngDirectiveDef = defineDirective({
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type: MyButton,
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selectors: [['', 'myButton', '']],
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factory: () => button = new MyButton(),
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inputs: {disabled: 'disabled'}
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});
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}
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class OtherDir {
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// TODO(issue/24571): remove '!'.
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id !: number;
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clickStream = new EventEmitter();
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static ngDirectiveDef = defineDirective({
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type: OtherDir,
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selectors: [['', 'otherDir', '']],
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factory: () => otherDir = new OtherDir(),
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inputs: {id: 'id'},
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outputs: {clickStream: 'click'}
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});
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}
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class OtherDisabledDir {
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// TODO(issue/24571): remove '!'.
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disabled !: boolean;
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static ngDirectiveDef = defineDirective({
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type: OtherDisabledDir,
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selectors: [['', 'otherDisabledDir', '']],
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factory: () => otherDisabledDir = new OtherDisabledDir(),
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inputs: {disabled: 'disabled'}
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});
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}
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class IdDir {
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// TODO(issue/24571): remove '!'.
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idNumber !: string;
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static ngDirectiveDef = defineDirective({
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type: IdDir,
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selectors: [['', 'idDir', '']],
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factory: () => idDir = new IdDir(),
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inputs: {idNumber: 'id'}
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});
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}
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const deps = [MyButton, OtherDir, OtherDisabledDir, IdDir];
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it('should check input properties before setting (directives)', () => {
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/** <button myButton otherDir [id]="id" [disabled]="isDisabled">Click me</button> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'button', ['otherDir', '', 'myButton', '']);
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{ text(1, 'Click me'); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'disabled', bind(ctx.isDisabled));
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elementProperty(0, 'id', bind(ctx.id));
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}
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}, 2, 2, deps);
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const fixture = new ComponentFixture(App);
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fixture.component.isDisabled = true;
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fixture.component.id = 0;
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fixture.update();
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expect(fixture.html).toEqual(`<button mybutton="" otherdir="">Click me</button>`);
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expect(button !.disabled).toEqual(true);
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expect(otherDir !.id).toEqual(0);
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fixture.component.isDisabled = false;
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fixture.component.id = 1;
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fixture.update();
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expect(fixture.html).toEqual(`<button mybutton="" otherdir="">Click me</button>`);
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expect(button !.disabled).toEqual(false);
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expect(otherDir !.id).toEqual(1);
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});
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it('should support mixed element properties and input properties', () => {
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/** <button myButton [id]="id" [disabled]="isDisabled">Click me</button> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'button', ['myButton', '']);
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{ text(1, 'Click me'); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'disabled', bind(ctx.isDisabled));
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elementProperty(0, 'id', bind(ctx.id));
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}
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}, 2, 2, deps);
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const fixture = new ComponentFixture(App);
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fixture.component.isDisabled = true;
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fixture.component.id = 0;
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fixture.update();
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expect(fixture.html).toEqual(`<button id="0" mybutton="">Click me</button>`);
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expect(button !.disabled).toEqual(true);
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fixture.component.isDisabled = false;
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fixture.component.id = 1;
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fixture.update();
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expect(fixture.html).toEqual(`<button id="1" mybutton="">Click me</button>`);
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expect(button !.disabled).toEqual(false);
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});
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it('should check that property is not an input property before setting (component)', () => {
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let comp: Comp;
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class Comp {
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// TODO(issue/24571): remove '!'.
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id !: number;
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static ngComponentDef = defineComponent({
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type: Comp,
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selectors: [['comp']],
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consts: 0,
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vars: 0,
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template: function(rf: RenderFlags, ctx: any) {},
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factory: () => comp = new Comp(),
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inputs: {id: 'id'}
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});
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}
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/** <comp [id]="id"></comp> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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element(0, 'comp');
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'id', bind(ctx.id));
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}
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}, 1, 1, [Comp]);
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const fixture = new ComponentFixture(App);
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fixture.component.id = 1;
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fixture.update();
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expect(fixture.html).toEqual(`<comp></comp>`);
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expect(comp !.id).toEqual(1);
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fixture.component.id = 2;
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fixture.update();
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expect(fixture.html).toEqual(`<comp></comp>`);
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expect(comp !.id).toEqual(2);
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});
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it('should support two input properties with the same name', () => {
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/** <button myButton otherDisabledDir [disabled]="isDisabled">Click me</button> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'button', ['myButton', '', 'otherDisabledDir', '']);
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{ text(1, 'Click me'); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'disabled', bind(ctx.isDisabled));
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}
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}, 2, 1, deps);
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const fixture = new ComponentFixture(App);
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fixture.component.isDisabled = true;
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fixture.update();
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expect(fixture.html).toEqual(`<button mybutton="" otherdisableddir="">Click me</button>`);
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expect(button !.disabled).toEqual(true);
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expect(otherDisabledDir !.disabled).toEqual(true);
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fixture.component.isDisabled = false;
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fixture.update();
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expect(fixture.html).toEqual(`<button mybutton="" otherdisableddir="">Click me</button>`);
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expect(button !.disabled).toEqual(false);
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expect(otherDisabledDir !.disabled).toEqual(false);
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});
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it('should set input property if there is an output first', () => {
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/** <button otherDir [id]="id" (click)="onClick()">Click me</button> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'button', ['otherDir', '']);
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{
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listener('click', () => ctx.onClick());
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text(1, 'Click me');
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}
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'id', bind(ctx.id));
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}
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}, 2, 1, deps);
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const fixture = new ComponentFixture(App);
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let counter = 0;
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fixture.component.id = 1;
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fixture.component.onClick = () => counter++;
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fixture.update();
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expect(fixture.html).toEqual(`<button otherdir="">Click me</button>`);
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expect(otherDir !.id).toEqual(1);
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otherDir !.clickStream.next();
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expect(counter).toEqual(1);
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fixture.component.id = 2;
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fixture.update();
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fixture.html;
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expect(otherDir !.id).toEqual(2);
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});
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it('should support unrelated element properties at same index in if-else block', () => {
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/**
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* <button idDir [id]="id1">Click me</button> // inputs: {'id': [0, 'idNumber']}
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* % if (condition) {
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* <button [id]="id2">Click me too</button> // inputs: null
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* % } else {
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* <button otherDir [id]="id3">Click me too</button> // inputs: {'id': [0, 'id']}
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* % }
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*/
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'button', ['idDir', '']);
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{ text(1, 'Click me'); }
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elementEnd();
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container(2);
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'id', bind(ctx.id1));
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containerRefreshStart(2);
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{
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if (ctx.condition) {
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let rf0 = embeddedViewStart(0, 2, 1);
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if (rf0 & RenderFlags.Create) {
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elementStart(0, 'button');
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{ text(1, 'Click me too'); }
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elementEnd();
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}
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if (rf0 & RenderFlags.Update) {
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elementProperty(0, 'id', bind(ctx.id2));
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}
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embeddedViewEnd();
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} else {
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let rf1 = embeddedViewStart(1, 2, 1);
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if (rf1 & RenderFlags.Create) {
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elementStart(0, 'button', ['otherDir', '']);
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{ text(1, 'Click me too'); }
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elementEnd();
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}
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if (rf1 & RenderFlags.Update) {
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elementProperty(0, 'id', bind(ctx.id3));
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}
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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}
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}, 3, 1, deps);
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const fixture = new ComponentFixture(App);
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fixture.component.condition = true;
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fixture.component.id1 = 'one';
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fixture.component.id2 = 'two';
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fixture.component.id3 = 3;
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fixture.update();
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expect(fixture.html)
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.toEqual(`<button iddir="">Click me</button><button id="two">Click me too</button>`);
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expect(idDir !.idNumber).toEqual('one');
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fixture.component.condition = false;
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fixture.component.id1 = 'four';
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fixture.update();
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expect(fixture.html)
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.toEqual(`<button iddir="">Click me</button><button otherdir="">Click me too</button>`);
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expect(idDir !.idNumber).toEqual('four');
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expect(otherDir !.id).toEqual(3);
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});
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});
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describe('attributes and input properties', () => {
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let myDir: MyDir;
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class MyDir {
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// TODO(issue/24571): remove '!'.
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role !: string;
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// TODO(issue/24571): remove '!'.
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direction !: string;
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changeStream = new EventEmitter();
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static ngDirectiveDef = defineDirective({
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type: MyDir,
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selectors: [['', 'myDir', '']],
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factory: () => myDir = new MyDir(),
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inputs: {role: 'role', direction: 'dir'},
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outputs: {changeStream: 'change'},
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exportAs: ['myDir']
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});
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}
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let dirB: MyDirB;
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class MyDirB {
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// TODO(issue/24571): remove '!'.
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roleB !: string;
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static ngDirectiveDef = defineDirective({
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type: MyDirB,
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selectors: [['', 'myDirB', '']],
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factory: () => dirB = new MyDirB(),
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inputs: {roleB: 'role'}
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});
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}
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const deps = [MyDir, MyDirB];
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it('should set input property based on attribute if existing', () => {
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/** <div role="button" myDir></div> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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element(0, 'div', ['role', 'button', 'myDir', '']);
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}
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}, 1, 0, deps);
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const fixture = new ComponentFixture(App);
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expect(fixture.html).toEqual(`<div mydir="" role="button"></div>`);
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expect(myDir !.role).toEqual('button');
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});
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it('should set input property and attribute if both defined', () => {
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/** <div role="button" [role]="role" myDir></div> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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element(0, 'div', ['role', 'button', 'myDir', '']);
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}
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if (rf & RenderFlags.Update) {
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elementProperty(0, 'role', bind(ctx.role));
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}
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}, 1, 1, deps);
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const fixture = new ComponentFixture(App);
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fixture.component.role = 'listbox';
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fixture.update();
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expect(fixture.html).toEqual(`<div mydir="" role="button"></div>`);
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expect(myDir !.role).toEqual('listbox');
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fixture.component.role = 'button';
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fixture.update();
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expect(myDir !.role).toEqual('button');
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});
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it('should set two directive input properties based on same attribute', () => {
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/** <div role="button" myDir myDirB></div> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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element(0, 'div', ['role', 'button', 'myDir', '', 'myDirB', '']);
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}
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}, 1, 0, deps);
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const fixture = new ComponentFixture(App);
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expect(fixture.html).toEqual(`<div mydir="" mydirb="" role="button"></div>`);
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expect(myDir !.role).toEqual('button');
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expect(dirB !.roleB).toEqual('button');
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});
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it('should process two attributes on same directive', () => {
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/** <div role="button" dir="rtl" myDir></div> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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element(0, 'div', ['role', 'button', 'dir', 'rtl', 'myDir', '']);
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}
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}, 1, 0, deps);
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const fixture = new ComponentFixture(App);
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expect(fixture.html).toEqual(`<div dir="rtl" mydir="" role="button"></div>`);
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expect(myDir !.role).toEqual('button');
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expect(myDir !.direction).toEqual('rtl');
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});
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it('should process attributes and outputs properly together', () => {
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/** <div role="button" (change)="onChange()" myDir></div> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'div', ['role', 'button', 'myDir', '']);
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{ listener('change', () => ctx.onChange()); }
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elementEnd();
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}
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}, 1, 0, deps);
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const fixture = new ComponentFixture(App);
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let counter = 0;
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fixture.component.onChange = () => counter++;
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fixture.update();
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expect(fixture.html).toEqual(`<div mydir="" role="button"></div>`);
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expect(myDir !.role).toEqual('button');
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myDir !.changeStream.next();
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expect(counter).toEqual(1);
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});
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it('should process attributes properly for directives with later indices', () => {
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/**
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* <div role="button" dir="rtl" myDir></div>
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* <div role="listbox" myDirB></div>
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*/
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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element(0, 'div', ['role', 'button', 'dir', 'rtl', 'myDir', '']);
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element(1, 'div', ['role', 'listbox', 'myDirB', '']);
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}
|
|
}, 2, 0, deps);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(fixture.html)
|
|
.toEqual(
|
|
`<div dir="rtl" mydir="" role="button"></div><div mydirb="" role="listbox"></div>`);
|
|
expect(myDir !.role).toEqual('button');
|
|
expect(myDir !.direction).toEqual('rtl');
|
|
expect(dirB !.roleB).toEqual('listbox');
|
|
});
|
|
|
|
it('should support attributes at same index inside an if-else block', () => {
|
|
/**
|
|
* <div role="listbox" myDir></div> // initialInputs: [['role', 'listbox']]
|
|
*
|
|
* % if (condition) {
|
|
* <div role="button" myDirB></div> // initialInputs: [['role', 'button']]
|
|
* % } else {
|
|
* <div role="menu"></div> // initialInputs: [null]
|
|
* % }
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'div', ['role', 'listbox', 'myDir', '']);
|
|
container(1);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(1);
|
|
{
|
|
if (ctx.condition) {
|
|
let rf1 = embeddedViewStart(0, 1, 0);
|
|
if (rf1 & RenderFlags.Create) {
|
|
element(0, 'div', ['role', 'button', 'myDirB', '']);
|
|
}
|
|
embeddedViewEnd();
|
|
} else {
|
|
let rf2 = embeddedViewStart(1, 1, 0);
|
|
if (rf2 & RenderFlags.Create) {
|
|
element(0, 'div', ['role', 'menu']);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 2, 0, deps);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
fixture.component.condition = true;
|
|
fixture.update();
|
|
expect(fixture.html)
|
|
.toEqual(`<div mydir="" role="listbox"></div><div mydirb="" role="button"></div>`);
|
|
expect(myDir !.role).toEqual('listbox');
|
|
expect(dirB !.roleB).toEqual('button');
|
|
expect((dirB !as any).role).toBeUndefined();
|
|
|
|
fixture.component.condition = false;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual(`<div mydir="" role="listbox"></div><div role="menu"></div>`);
|
|
expect(myDir !.role).toEqual('listbox');
|
|
});
|
|
|
|
it('should process attributes properly inside a for loop', () => {
|
|
|
|
class Comp {
|
|
static ngComponentDef = defineComponent({
|
|
type: Comp,
|
|
selectors: [['comp']],
|
|
consts: 3,
|
|
vars: 1,
|
|
/** <div role="button" dir #dir="myDir"></div> {{ dir.role }} */
|
|
template: function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'div', ['role', 'button', 'myDir', ''], ['dir', 'myDir']);
|
|
text(2);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const tmp = reference(1) as any;
|
|
textBinding(2, bind(tmp.role));
|
|
}
|
|
},
|
|
factory: () => new Comp(),
|
|
directives: () => [MyDir]
|
|
});
|
|
}
|
|
|
|
/**
|
|
* % for (let i = 0; i < 3; i++) {
|
|
* <comp></comp>
|
|
* % }
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
container(0);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(0);
|
|
{
|
|
for (let i = 0; i < 2; i++) {
|
|
let rf1 = embeddedViewStart(0, 1, 0);
|
|
if (rf1 & RenderFlags.Create) {
|
|
element(0, 'comp');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 1, 0, [Comp]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(fixture.html)
|
|
.toEqual(
|
|
`<comp><div mydir="" role="button"></div>button</comp><comp><div mydir="" role="button"></div>button</comp>`);
|
|
});
|
|
|
|
});
|
|
|
|
});
|