113 lines
3.5 KiB
TypeScript
113 lines
3.5 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 {ɵɵdefineComponent, ɵɵdefineDirective} from '../../src/render3/index';
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import {ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵelementEnd, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵlistener, ɵɵtext} from '../../src/render3/instructions/all';
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import {RenderFlags} from '../../src/render3/interfaces/definition';
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import {renderToHtml} from './render_util';
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describe('outputs', () => {
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let buttonToggle: ButtonToggle;
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class ButtonToggle {
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change = new EventEmitter();
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resetStream = new EventEmitter();
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static ɵfac = () => buttonToggle = new ButtonToggle();
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static ɵcmp = ɵɵdefineComponent({
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type: ButtonToggle,
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selectors: [['button-toggle']],
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template: function(rf: RenderFlags, ctx: any) {},
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decls: 0,
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vars: 0,
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outputs: {change: 'change', resetStream: 'reset'}
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});
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}
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let otherDir: OtherDir;
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class OtherDir {
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changeStream = new EventEmitter();
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static ɵfac = () => otherDir = new OtherDir;
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static ɵdir = ɵɵdefineDirective(
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{type: OtherDir, selectors: [['', 'otherDir', '']], outputs: {changeStream: 'change'}});
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}
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const deps = [ButtonToggle, OtherDir];
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it('should work with outputs at same index in if block', () => {
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/**
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* <button (click)="onClick()">Click me</button> // outputs: null
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* % if (condition) {
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* <button-toggle (change)="onChange()"></button-toggle> // outputs: {change: [0, 'change']}
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* % } else {
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* <div otherDir (change)="onChange()"></div> // outputs: {change: [0,
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* 'changeStream']}
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* % }
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*/
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function Template(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'button');
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{
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ɵɵlistener('click', function() { return ctx.onClick(); });
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ɵɵtext(1, 'Click me');
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}
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ɵɵelementEnd();
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ɵɵcontainer(2);
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(2);
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{
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if (ctx.condition) {
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let rf1 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf1 & RenderFlags.Create) {
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ɵɵelementStart(0, 'button-toggle');
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{
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ɵɵlistener('change', function() { return ctx.onChange(); });
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}
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ɵɵelementEnd();
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}
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ɵɵembeddedViewEnd();
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} else {
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if (ɵɵembeddedViewStart(1, 1, 0)) {
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ɵɵelementStart(0, 'div', 0);
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{
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ɵɵlistener('change', function() { return ctx.onChange(); });
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}
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ɵɵelementEnd();
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}
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let counter = 0;
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const ctx = {condition: true, onChange: () => counter++, onClick: () => {}};
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const attrs = [['otherDir', '']];
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renderToHtml(Template, ctx, 3, 0, deps, null, null, false, attrs);
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buttonToggle !.change.next();
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expect(counter).toEqual(1);
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ctx.condition = false;
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renderToHtml(Template, ctx, 3, 0, deps, null, null, false, attrs);
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expect(counter).toEqual(1);
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otherDir !.changeStream.next();
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expect(counter).toEqual(2);
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});
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});
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