1427 lines
46 KiB
TypeScript
1427 lines
46 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 {ChangeDetectorRef, ElementRef, Host, InjectFlags, Optional, Self, SkipSelf, TemplateRef, ViewContainerRef, defineInjectable} from '@angular/core';
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import {RenderFlags} from '@angular/core/src/render3/interfaces/definition';
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import {defineComponent} from '../../src/render3/definition';
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import {bloomAdd, bloomFindPossibleInjector, getOrCreateNodeInjector, injectAttribute} from '../../src/render3/di';
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import {NgOnChangesFeature, PublicFeature, defineDirective, directiveInject, injectChangeDetectorRef, injectElementRef, injectTemplateRef, injectViewContainerRef} from '../../src/render3/index';
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import {bind, container, containerRefreshEnd, containerRefreshStart, createLNode, createLViewData, createTView, elementEnd, elementStart, embeddedViewEnd, embeddedViewStart, enterView, interpolation2, leaveView, load, projection, projectionDef, text, textBinding} from '../../src/render3/instructions';
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import {LInjector} from '../../src/render3/interfaces/injector';
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import {AttributeMarker, TNodeType} from '../../src/render3/interfaces/node';
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import {LViewFlags} from '../../src/render3/interfaces/view';
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import {ViewRef} from '../../src/render3/view_ref';
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import {ComponentFixture, createComponent, createDirective, renderComponent, renderToHtml, toHtml} from './render_util';
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describe('di', () => {
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describe('no dependencies', () => {
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it('should create directive with no deps', () => {
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class Directive {
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value: string = 'Created';
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static ngDirectiveDef = defineDirective({
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type: Directive,
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selectors: [['', 'dir', '']],
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factory: () => new Directive,
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exportAs: 'dir'
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});
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}
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/** <div dir #dir="dir"> {{ dir.value }} </div> */
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function Template(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'div', ['dir', ''], ['dir', 'dir']);
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{ text(2); }
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elementEnd();
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}
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let tmp: any;
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if (rf & RenderFlags.Update) {
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tmp = load(1);
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textBinding(2, bind(tmp.value));
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}
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}
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expect(renderToHtml(Template, {}, [Directive])).toEqual('<div dir="">Created</div>');
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});
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});
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describe('directive injection', () => {
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let log: string[] = [];
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class DirB {
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value = 'DirB';
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constructor() { log.push(this.value); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirB', '']],
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type: DirB,
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factory: () => new DirB(),
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features: [PublicFeature]
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});
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}
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beforeEach(() => log = []);
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it('should create directive with intra view dependencies', () => {
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class DirA {
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value: string = 'DirA';
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static ngDirectiveDef = defineDirective({
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type: DirA,
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selectors: [['', 'dirA', '']],
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factory: () => new DirA(),
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features: [PublicFeature]
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});
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}
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class DirC {
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value: string;
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constructor(a: DirA, b: DirB) { this.value = a.value + b.value; }
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static ngDirectiveDef = defineDirective({
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type: DirC,
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selectors: [['', 'dirC', '']],
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factory: () => new DirC(directiveInject(DirA), directiveInject(DirB)),
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exportAs: 'dirC'
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});
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}
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/**
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* <div dirA>
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* <span dirB dirC #dir="dirC"> {{ dir.value }} </span>
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* </div>
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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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elementStart(0, 'div', ['dirA', '']);
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{
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elementStart(1, 'span', ['dirB', '', 'dirC', ''], ['dir', 'dirC']);
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{ text(3); }
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elementEnd();
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}
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elementEnd();
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}
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let tmp: any;
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if (rf & RenderFlags.Update) {
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tmp = load(2);
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textBinding(3, bind(tmp.value));
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}
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}
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const defs = [DirA, DirB, DirC];
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expect(renderToHtml(Template, {}, defs))
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.toEqual('<div dira=""><span dirb="" dirc="">DirADirB</span></div>');
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});
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it('should instantiate injected directives first', () => {
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class DirA {
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constructor(dir: DirB) { log.push(`DirA (dep: ${dir.value})`); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirA', '']],
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type: DirA,
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factory: () => new DirA(directiveInject(DirB)),
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});
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}
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/** <div dirA dirB></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', ['dirA', '', 'dirB', '']);
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elementEnd();
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}
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}, [DirA, DirB]);
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const fixture = new ComponentFixture(App);
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expect(log).toEqual(['DirB', 'DirA (dep: DirB)']);
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});
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it('should instantiate injected directives before components', () => {
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class Comp {
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constructor(dir: DirB) { log.push(`Comp (dep: ${dir.value})`); }
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static ngComponentDef = defineComponent({
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selectors: [['comp']],
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type: Comp,
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factory: () => new Comp(directiveInject(DirB)),
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template: (ctx: any, fm: boolean) => {}
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});
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}
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/** <comp dirB></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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elementStart(0, 'comp', ['dirB', '']);
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elementEnd();
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}
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}, [Comp, DirB]);
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const fixture = new ComponentFixture(App);
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expect(log).toEqual(['DirB', 'Comp (dep: DirB)']);
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});
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it('should inject directives in the correct order in a for loop', () => {
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class DirA {
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constructor(dir: DirB) { log.push(`DirA (dep: ${dir.value})`); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirA', '']],
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type: DirA,
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factory: () => new DirA(directiveInject(DirB))
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});
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}
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/**
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* % for(let i = 0; i < 3; i++) {
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* <div dirA dirB></div>
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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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container(0);
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}
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containerRefreshStart(0);
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{
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for (let i = 0; i < 3; i++) {
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if (embeddedViewStart(0)) {
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elementStart(0, 'div', ['dirA', '', 'dirB', '']);
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elementEnd();
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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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}, [DirA, DirB]);
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const fixture = new ComponentFixture(App);
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expect(log).toEqual(
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['DirB', 'DirA (dep: DirB)', 'DirB', 'DirA (dep: DirB)', 'DirB', 'DirA (dep: DirB)']);
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});
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it('should instantiate directives with multiple out-of-order dependencies', () => {
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class DirA {
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value = 'DirA';
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constructor() { log.push(this.value); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirA', '']],
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type: DirA,
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factory: () => new DirA(),
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features: [PublicFeature]
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});
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}
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class DirB {
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constructor(dirA: DirA, dirC: DirC) {
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log.push(`DirB (deps: ${dirA.value} and ${dirC.value})`);
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}
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirB', '']],
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type: DirB,
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factory: () => new DirB(directiveInject(DirA), directiveInject(DirC))
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});
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}
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class DirC {
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value = 'DirC';
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constructor() { log.push(this.value); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirC', '']],
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type: DirC,
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factory: () => new DirC(),
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features: [PublicFeature]
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});
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}
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/** <div dirA dirB dirC></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', ['dirA', '', 'dirB', '', 'dirC', '']);
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elementEnd();
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}
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}, [DirA, DirB, DirC]);
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const fixture = new ComponentFixture(App);
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expect(log).toEqual(['DirA', 'DirC', 'DirB (deps: DirA and DirC)']);
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});
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it('should instantiate in the correct order for complex case', () => {
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class Comp {
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constructor(dir: DirD) { log.push(`Comp (dep: ${dir.value})`); }
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static ngComponentDef = defineComponent({
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selectors: [['comp']],
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type: Comp,
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factory: () => new Comp(directiveInject(DirD)),
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template: (ctx: any, fm: boolean) => {}
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});
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}
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class DirA {
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value = 'DirA';
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constructor(dir: DirC) { log.push(`DirA (dep: ${dir.value})`); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirA', '']],
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type: DirA,
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factory: () => new DirA(directiveInject(DirC)),
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features: [PublicFeature]
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});
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}
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class DirC {
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value = 'DirC';
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constructor(dir: DirB) { log.push(`DirC (dep: ${dir.value})`); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirC', '']],
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type: DirC,
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factory: () => new DirC(directiveInject(DirB)),
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features: [PublicFeature]
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});
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}
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class DirD {
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value = 'DirD';
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constructor(dir: DirA) { log.push(`DirD (dep: ${dir.value})`); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirD', '']],
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type: DirD,
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factory: () => new DirD(directiveInject(DirA)),
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features: [PublicFeature]
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});
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}
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/** <comp dirA dirB dirC dirD></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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elementStart(0, 'comp', ['dirA', '', 'dirB', '', 'dirC', '', 'dirD', '']);
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elementEnd();
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}
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}, [Comp, DirA, DirB, DirC, DirD]);
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const fixture = new ComponentFixture(App);
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expect(log).toEqual(
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['DirB', 'DirC (dep: DirB)', 'DirA (dep: DirC)', 'DirD (dep: DirA)', 'Comp (dep: DirD)']);
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});
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it('should instantiate in correct order with mixed parent and peer dependencies', () => {
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class DirA {
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constructor(dirB: DirB, app: App) {
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log.push(`DirA (deps: ${dirB.value} and ${app.value})`);
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}
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirA', '']],
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type: DirA,
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factory: () => new DirA(directiveInject(DirB), directiveInject(App)),
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});
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}
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class App {
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value = 'App';
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static ngComponentDef = defineComponent({
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selectors: [['app']],
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type: App,
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factory: () => new App(),
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/** <div dirA dirB dirC></div> */
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template: (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'div', ['dirA', '', 'dirB', '', 'dirC', 'dirC']);
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elementEnd();
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}
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},
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directives: [DirA, DirB],
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features: [PublicFeature],
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});
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}
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const fixture = new ComponentFixture(App);
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expect(log).toEqual(['DirB', 'DirA (deps: DirB and App)']);
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});
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it('should not use a parent when peer dep is available', () => {
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let count = 1;
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class DirA {
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constructor(dirB: DirB) { log.push(`DirA (dep: DirB - ${dirB.count})`); }
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirA', '']],
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type: DirA,
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factory: () => new DirA(directiveInject(DirB)),
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});
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}
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class DirB {
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count: number;
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constructor() {
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log.push(`DirB`);
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this.count = count++;
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}
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirB', '']],
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type: DirB,
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factory: () => new DirB(),
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features: [PublicFeature],
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});
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}
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/** <div dirA dirB></div> */
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'div', ['dirA', '', 'dirB', '']);
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elementEnd();
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}
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}, [DirA, DirB]);
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/** <parent dirB></parent> */
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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, 'parent', ['dirB', '']);
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elementEnd();
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}
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}, [Parent, DirB]);
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const fixture = new ComponentFixture(App);
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expect(log).toEqual(['DirB', 'DirB', 'DirA (dep: DirB - 2)']);
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});
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it('should create instance even when no injector present', () => {
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class MyService {
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value = 'MyService';
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static ngInjectableDef =
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defineInjectable({providedIn: 'root', factory: () => new MyService()});
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}
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class MyComponent {
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constructor(public myService: MyService) {}
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static ngComponentDef = defineComponent({
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type: MyComponent,
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selectors: [['my-component']],
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factory: () => new MyComponent(directiveInject(MyService)),
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template: function(rf: RenderFlags, ctx: MyComponent) {
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if (rf & RenderFlags.Create) {
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text(0);
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}
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if (rf & RenderFlags.Update) {
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textBinding(0, bind(ctx.myService.value));
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}
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}
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});
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}
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const fixture = new ComponentFixture(MyComponent);
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fixture.update();
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expect(fixture.html).toEqual('MyService');
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});
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it('should throw if directive is not found anywhere', () => {
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class Dir {
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constructor(siblingDir: OtherDir) {}
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dir', '']],
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type: Dir,
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factory: () => new Dir(directiveInject(OtherDir)),
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features: [PublicFeature]
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});
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}
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class OtherDir {
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'other', '']],
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type: OtherDir,
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factory: () => new OtherDir(),
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features: [PublicFeature]
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});
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}
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/** <div dir></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', ['dir', '']);
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elementEnd();
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}
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}, [Dir, OtherDir]);
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expect(() => new ComponentFixture(App)).toThrowError(/Injector: NOT_FOUND \[OtherDir\]/);
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});
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it('should throw if directive is not found in ancestor tree', () => {
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class Dir {
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constructor(siblingDir: OtherDir) {}
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dir', '']],
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type: Dir,
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factory: () => new Dir(directiveInject(OtherDir)),
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features: [PublicFeature]
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});
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}
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class OtherDir {
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'other', '']],
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type: OtherDir,
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factory: () => new OtherDir(),
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features: [PublicFeature]
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});
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}
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/**
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* <div other></div>
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* <div dir></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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elementStart(0, 'div', ['other', '']);
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elementEnd();
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elementStart(1, 'div', ['dir', '']);
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elementEnd();
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}
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}, [Dir, OtherDir]);
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expect(() => new ComponentFixture(App)).toThrowError(/Injector: NOT_FOUND \[OtherDir\]/);
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});
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it('should throw if directives try to inject each other', () => {
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class DirA {
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constructor(dir: DirB) {}
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirA', '']],
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type: DirA,
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factory: () => new DirA(directiveInject(DirB)),
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features: [PublicFeature]
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});
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}
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class DirB {
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constructor(dir: DirA) {}
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|
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static ngDirectiveDef = defineDirective({
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selectors: [['', 'dirB', '']],
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type: DirB,
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factory: () => new DirB(directiveInject(DirA)),
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features: [PublicFeature]
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});
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}
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/** <div dirA dirB></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', ['dirA', '', 'dirB', '']);
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elementEnd();
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}
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}, [DirA, DirB]);
|
|
|
|
expect(() => new ComponentFixture(App)).toThrowError(/Cannot instantiate cyclic dependency!/);
|
|
});
|
|
|
|
it('should throw if directive tries to inject itself', () => {
|
|
class Dir {
|
|
constructor(dir: Dir) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
selectors: [['', 'dir', '']],
|
|
type: Dir,
|
|
factory: () => new Dir(directiveInject(Dir)),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
/** <div dir></div> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '']);
|
|
elementEnd();
|
|
}
|
|
}, [Dir]);
|
|
|
|
expect(() => new ComponentFixture(App)).toThrowError(/Cannot instantiate cyclic dependency!/);
|
|
});
|
|
|
|
describe('flags', () => {
|
|
|
|
class DirB {
|
|
// TODO(issue/24571): remove '!'.
|
|
value !: string;
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirB,
|
|
selectors: [['', 'dirB', '']],
|
|
factory: () => new DirB(),
|
|
inputs: {value: 'dirB'},
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
it('should not throw if dependency is @Optional', () => {
|
|
let dirA: DirA;
|
|
|
|
class DirA {
|
|
constructor(@Optional() public dirB: DirB|null) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirA,
|
|
selectors: [['', 'dirA', '']],
|
|
factory: () => dirA = new DirA(directiveInject(DirB, InjectFlags.Optional))
|
|
});
|
|
}
|
|
|
|
/** <div dirA></div> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirA', '']);
|
|
elementEnd();
|
|
}
|
|
}, [DirA, DirB]);
|
|
|
|
expect(() => {
|
|
const fixture = new ComponentFixture(App);
|
|
expect(dirA !.dirB).toEqual(null);
|
|
}).not.toThrow();
|
|
});
|
|
|
|
it('should not throw if dependency is @Optional but defined elsewhere', () => {
|
|
let dirA: DirA;
|
|
|
|
class DirA {
|
|
constructor(@Optional() public dirB: DirB|null) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirA,
|
|
selectors: [['', 'dirA', '']],
|
|
factory: () => dirA = new DirA(directiveInject(DirB, InjectFlags.Optional))
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <div dirB></div>
|
|
* <div dirA></div>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirB', '']);
|
|
elementEnd();
|
|
elementStart(1, 'div', ['dirA', '']);
|
|
elementEnd();
|
|
}
|
|
}, [DirA, DirB]);
|
|
|
|
expect(() => {
|
|
const fixture = new ComponentFixture(App);
|
|
expect(dirA !.dirB).toEqual(null);
|
|
}).not.toThrow();
|
|
});
|
|
|
|
it('should skip the current node with @SkipSelf', () => {
|
|
let dirA: DirA;
|
|
|
|
class DirA {
|
|
constructor(@SkipSelf() public dirB: DirB) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirA,
|
|
selectors: [['', 'dirA', '']],
|
|
factory: () => dirA = new DirA(directiveInject(DirB, InjectFlags.SkipSelf))
|
|
});
|
|
}
|
|
|
|
/** <div dirA dirB="self"></div> */
|
|
const Comp = createComponent('comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirA', '', 'dirB', 'self']);
|
|
elementEnd();
|
|
}
|
|
}, [DirA, DirB]);
|
|
|
|
/* <comp dirB="parent"></comp> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'comp', ['dirB', 'parent']);
|
|
elementEnd();
|
|
}
|
|
}, [Comp, DirB]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(dirA !.dirB.value).toEqual('parent');
|
|
});
|
|
|
|
it('should check only the current node with @Self', () => {
|
|
let dirA: DirA;
|
|
|
|
class DirA {
|
|
constructor(@Self() public dirB: DirB) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirA,
|
|
selectors: [['', 'dirA', '']],
|
|
factory: () => dirA = new DirA(directiveInject(DirB, InjectFlags.Self))
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <div dirB>
|
|
* <div dirA></div>
|
|
* </div>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirB', '']);
|
|
elementStart(1, 'div', ['dirA', '']);
|
|
elementEnd();
|
|
elementEnd();
|
|
}
|
|
}, [DirA, DirB]);
|
|
|
|
expect(() => {
|
|
const fixture = new ComponentFixture(App);
|
|
}).toThrowError(/Injector: NOT_FOUND \[DirB\]/);
|
|
});
|
|
|
|
it('should check only the current node with @Self even with false positive', () => {
|
|
let dirA: DirA;
|
|
|
|
class DirA {
|
|
constructor(@Self() public dirB: DirB) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirA,
|
|
selectors: [['', 'dirA', '']],
|
|
factory: () => dirA = new DirA(directiveInject(DirB, InjectFlags.Self))
|
|
});
|
|
}
|
|
|
|
const DirC = createDirective('dirC');
|
|
|
|
/**
|
|
* <div dirB>
|
|
* <div dirA dirC></div>
|
|
* </div>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirB', '']);
|
|
elementStart(1, 'div', ['dirA', '', 'dirC', '']);
|
|
elementEnd();
|
|
elementEnd();
|
|
}
|
|
}, [DirA, DirB, DirC]);
|
|
|
|
expect(() => {
|
|
(DirA as any)['__NG_ELEMENT_ID__'] = 1;
|
|
(DirC as any)['__NG_ELEMENT_ID__'] = 257;
|
|
const fixture = new ComponentFixture(App);
|
|
}).toThrowError(/Injector: NOT_FOUND \[DirB\]/);
|
|
});
|
|
|
|
it('should not pass component boundary with @Host', () => {
|
|
let dirA: DirA;
|
|
|
|
class DirA {
|
|
constructor(@Host() public dirB: DirB) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirA,
|
|
selectors: [['', 'dirA', '']],
|
|
factory: () => dirA = new DirA(directiveInject(DirB, InjectFlags.Host))
|
|
});
|
|
}
|
|
|
|
/** <div dirA></div> */
|
|
const Comp = createComponent('comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirA', '']);
|
|
elementEnd();
|
|
}
|
|
}, [DirA, DirB]);
|
|
|
|
/* <comp dirB></comp> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'comp', ['dirB', '']);
|
|
elementEnd();
|
|
}
|
|
}, [Comp, DirB]);
|
|
|
|
expect(() => {
|
|
const fixture = new ComponentFixture(App);
|
|
}).toThrowError(/Injector: NOT_FOUND \[DirB\]/);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
|
|
describe('ElementRef', () => {
|
|
it('should create directive with ElementRef dependencies', () => {
|
|
class Directive {
|
|
value: string;
|
|
constructor(public elementRef: ElementRef) {
|
|
this.value = (elementRef.constructor as any).name;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: Directive,
|
|
selectors: [['', 'dir', '']],
|
|
factory: () => new Directive(injectElementRef()),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
class DirectiveSameInstance {
|
|
value: boolean;
|
|
constructor(elementRef: ElementRef, directive: Directive) {
|
|
this.value = elementRef === directive.elementRef;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirectiveSameInstance,
|
|
selectors: [['', 'dirSame', '']],
|
|
factory: () => new DirectiveSameInstance(injectElementRef(), directiveInject(Directive)),
|
|
exportAs: 'dirSame'
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <div dir dirSame #dirSame="dirSame" #dir="dir">
|
|
* {{ dir.value }} - {{ dirSame.value }}
|
|
* </div>
|
|
*/
|
|
function Template(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '', 'dirSame', ''], ['dirSame', 'dirSame', 'dir', 'dir']);
|
|
{ text(3); }
|
|
elementEnd();
|
|
}
|
|
|
|
let tmp1: any;
|
|
let tmp2: any;
|
|
if (rf & RenderFlags.Update) {
|
|
tmp1 = load(1);
|
|
tmp2 = load(2);
|
|
textBinding(3, interpolation2('', tmp2.value, '-', tmp1.value, ''));
|
|
}
|
|
}
|
|
|
|
const defs = [Directive, DirectiveSameInstance];
|
|
expect(renderToHtml(Template, {}, defs))
|
|
.toEqual('<div dir="" dirsame="">ElementRef-true</div>');
|
|
});
|
|
});
|
|
|
|
describe('TemplateRef', () => {
|
|
it('should create directive with TemplateRef dependencies', () => {
|
|
class Directive {
|
|
value: string;
|
|
constructor(public templateRef: TemplateRef<any>) {
|
|
this.value = (templateRef.constructor as any).name;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: Directive,
|
|
selectors: [['', 'dir', '']],
|
|
factory: () => new Directive(injectTemplateRef()),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
class DirectiveSameInstance {
|
|
value: boolean;
|
|
constructor(templateRef: TemplateRef<any>, directive: Directive) {
|
|
this.value = templateRef === directive.templateRef;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirectiveSameInstance,
|
|
selectors: [['', 'dirSame', '']],
|
|
factory: () => new DirectiveSameInstance(injectTemplateRef(), directiveInject(Directive)),
|
|
exportAs: 'dirSame'
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <ng-template dir dirSame #dir="dir" #dirSame="dirSame">
|
|
* {{ dir.value }} - {{ dirSame.value }}
|
|
* </ng-template>
|
|
*/
|
|
function Template(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
container(0, function() {
|
|
}, undefined, ['dir', '', 'dirSame', ''], ['dir', 'dir', 'dirSame', 'dirSame']);
|
|
text(3);
|
|
}
|
|
let tmp1: any;
|
|
let tmp2: any;
|
|
if (rf & RenderFlags.Update) {
|
|
tmp1 = load(1);
|
|
tmp2 = load(2);
|
|
textBinding(3, interpolation2('', tmp1.value, '-', tmp2.value, ''));
|
|
}
|
|
}
|
|
|
|
const defs = [Directive, DirectiveSameInstance];
|
|
expect(renderToHtml(Template, {}, defs)).toEqual('TemplateRef-true');
|
|
});
|
|
});
|
|
|
|
describe('ViewContainerRef', () => {
|
|
it('should create directive with ViewContainerRef dependencies', () => {
|
|
class Directive {
|
|
value: string;
|
|
constructor(public viewContainerRef: ViewContainerRef) {
|
|
this.value = (viewContainerRef.constructor as any).name;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: Directive,
|
|
selectors: [['', 'dir', '']],
|
|
factory: () => new Directive(injectViewContainerRef()),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
class DirectiveSameInstance {
|
|
value: boolean;
|
|
constructor(viewContainerRef: ViewContainerRef, directive: Directive) {
|
|
this.value = viewContainerRef === directive.viewContainerRef;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirectiveSameInstance,
|
|
selectors: [['', 'dirSame', '']],
|
|
factory:
|
|
() => new DirectiveSameInstance(injectViewContainerRef(), directiveInject(Directive)),
|
|
exportAs: 'dirSame'
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <div dir dirSame #dir="dir" #dirSame="dirSame">
|
|
* {{ dir.value }} - {{ dirSame.value }}
|
|
* </div>
|
|
*/
|
|
function Template(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir', 'dirSame', 'dirSame']);
|
|
{ text(3); }
|
|
elementEnd();
|
|
}
|
|
let tmp1: any;
|
|
let tmp2: any;
|
|
if (rf & RenderFlags.Update) {
|
|
tmp1 = load(1);
|
|
tmp2 = load(2);
|
|
textBinding(3, interpolation2('', tmp1.value, '-', tmp2.value, ''));
|
|
}
|
|
}
|
|
|
|
const defs = [Directive, DirectiveSameInstance];
|
|
expect(renderToHtml(Template, {}, defs))
|
|
.toEqual('<div dir="" dirsame="">ViewContainerRef-true</div>');
|
|
});
|
|
});
|
|
|
|
describe('ChangeDetectorRef', () => {
|
|
let dir: Directive;
|
|
let dirSameInstance: DirectiveSameInstance;
|
|
let comp: MyComp;
|
|
|
|
class MyComp {
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyComp,
|
|
selectors: [['my-comp']],
|
|
factory: () => comp = new MyComp(injectChangeDetectorRef()),
|
|
template: function(rf: RenderFlags, ctx: MyComp) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef(0);
|
|
projection(1, 0);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
class Directive {
|
|
value: string;
|
|
|
|
constructor(public cdr: ChangeDetectorRef) { this.value = (cdr.constructor as any).name; }
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: Directive,
|
|
selectors: [['', 'dir', '']],
|
|
factory: () => dir = new Directive(injectChangeDetectorRef()),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
class DirectiveSameInstance {
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirectiveSameInstance,
|
|
selectors: [['', 'dirSame', '']],
|
|
factory: () => dirSameInstance = new DirectiveSameInstance(injectChangeDetectorRef())
|
|
});
|
|
}
|
|
|
|
class IfDirective {
|
|
/* @Input */
|
|
myIf = true;
|
|
|
|
constructor(public template: TemplateRef<any>, public vcr: ViewContainerRef) {}
|
|
|
|
ngOnChanges() {
|
|
if (this.myIf) {
|
|
this.vcr.createEmbeddedView(this.template);
|
|
}
|
|
}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: IfDirective,
|
|
selectors: [['', 'myIf', '']],
|
|
factory: () => new IfDirective(injectTemplateRef(), injectViewContainerRef()),
|
|
inputs: {myIf: 'myIf'},
|
|
features: [PublicFeature, NgOnChangesFeature]
|
|
});
|
|
}
|
|
|
|
|
|
const directives = [MyComp, Directive, DirectiveSameInstance, IfDirective];
|
|
|
|
it('should inject current component ChangeDetectorRef into directives on components', () => {
|
|
/** <my-comp dir dirSameInstance #dir="dir"></my-comp> {{ dir.value }} */
|
|
const MyApp = createComponent('my-app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'my-comp', ['dir', '', 'dirSame', ''], ['dir', 'dir']);
|
|
elementEnd();
|
|
text(2);
|
|
}
|
|
let tmp: any;
|
|
if (rf & RenderFlags.Update) {
|
|
tmp = load(1);
|
|
textBinding(2, bind(tmp.value));
|
|
}
|
|
}, directives);
|
|
|
|
const app = renderComponent(MyApp);
|
|
// ChangeDetectorRef is the token, ViewRef has historically been the constructor
|
|
expect(toHtml(app)).toEqual('<my-comp dir="" dirsame=""></my-comp>ViewRef');
|
|
expect((comp !.cdr as ViewRef<MyComp>).context).toBe(comp);
|
|
|
|
expect(dir !.cdr).toBe(comp !.cdr);
|
|
expect(dir !.cdr).toBe(dirSameInstance !.cdr);
|
|
});
|
|
|
|
it('should inject host component ChangeDetectorRef into directives on elements', () => {
|
|
|
|
class MyApp {
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
selectors: [['my-app']],
|
|
factory: () => new MyApp(injectChangeDetectorRef()),
|
|
/** <div dir dirSameInstance #dir="dir"> {{ dir.value }} </div> */
|
|
template: function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir']);
|
|
{ text(2); }
|
|
elementEnd();
|
|
}
|
|
let tmp: any;
|
|
if (rf & RenderFlags.Update) {
|
|
tmp = load(1);
|
|
textBinding(2, bind(tmp.value));
|
|
}
|
|
},
|
|
directives: directives
|
|
});
|
|
}
|
|
|
|
const app = renderComponent(MyApp);
|
|
expect(toHtml(app)).toEqual('<div dir="" dirsame="">ViewRef</div>');
|
|
expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
|
|
|
|
expect(dir !.cdr).toBe(app.cdr);
|
|
expect(dir !.cdr).toBe(dirSameInstance !.cdr);
|
|
});
|
|
|
|
it('should inject host component ChangeDetectorRef into directives in ContentChildren', () => {
|
|
class MyApp {
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
selectors: [['my-app']],
|
|
factory: () => new MyApp(injectChangeDetectorRef()),
|
|
/**
|
|
* <my-comp>
|
|
* <div dir dirSameInstance #dir="dir"></div>
|
|
* </my-comp>
|
|
* {{ dir.value }}
|
|
*/
|
|
template: function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'my-comp');
|
|
{
|
|
elementStart(1, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir']);
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
text(3);
|
|
}
|
|
const tmp = load(2) as any;
|
|
if (rf & RenderFlags.Update) {
|
|
textBinding(3, bind(tmp.value));
|
|
}
|
|
},
|
|
directives: directives
|
|
});
|
|
}
|
|
|
|
const app = renderComponent(MyApp);
|
|
expect(toHtml(app)).toEqual('<my-comp><div dir="" dirsame=""></div></my-comp>ViewRef');
|
|
expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
|
|
|
|
expect(dir !.cdr).toBe(app !.cdr);
|
|
expect(dir !.cdr).toBe(dirSameInstance !.cdr);
|
|
});
|
|
|
|
it('should inject host component ChangeDetectorRef into directives in embedded views', () => {
|
|
|
|
class MyApp {
|
|
showing = true;
|
|
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
selectors: [['my-app']],
|
|
factory: () => new MyApp(injectChangeDetectorRef()),
|
|
/**
|
|
* % if (showing) {
|
|
* <div dir dirSameInstance #dir="dir"> {{ dir.value }} </div>
|
|
* % }
|
|
*/
|
|
template: function(rf: RenderFlags, ctx: MyApp) {
|
|
if (rf & RenderFlags.Create) {
|
|
container(0);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.showing) {
|
|
let rf1 = embeddedViewStart(0);
|
|
if (rf1 & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir']);
|
|
{ text(2); }
|
|
elementEnd();
|
|
}
|
|
let tmp: any;
|
|
if (rf1 & RenderFlags.Update) {
|
|
tmp = load(1);
|
|
textBinding(2, bind(tmp.value));
|
|
}
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
},
|
|
directives: directives
|
|
});
|
|
}
|
|
|
|
const app = renderComponent(MyApp);
|
|
expect(toHtml(app)).toEqual('<div dir="" dirsame="">ViewRef</div>');
|
|
expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
|
|
|
|
expect(dir !.cdr).toBe(app.cdr);
|
|
expect(dir !.cdr).toBe(dirSameInstance !.cdr);
|
|
});
|
|
|
|
it('should inject host component ChangeDetectorRef into directives on containers', () => {
|
|
class MyApp {
|
|
showing = true;
|
|
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
selectors: [['my-app']],
|
|
factory: () => new MyApp(injectChangeDetectorRef()),
|
|
/** <div *myIf="showing" dir dirSameInstance #dir="dir"> {{ dir.value }} </div> */
|
|
template: function(rf: RenderFlags, ctx: MyApp) {
|
|
if (rf & RenderFlags.Create) {
|
|
container(0, C1, undefined, ['myIf', 'showing']);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(0);
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
function C1(rf1: RenderFlags, ctx1: any) {
|
|
if (rf1 & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir']);
|
|
{ text(2); }
|
|
elementEnd();
|
|
}
|
|
let tmp: any;
|
|
if (rf1 & RenderFlags.Update) {
|
|
tmp = load(1);
|
|
textBinding(2, bind(tmp.value));
|
|
}
|
|
}
|
|
},
|
|
directives: directives
|
|
});
|
|
}
|
|
|
|
const app = renderComponent(MyApp);
|
|
expect(toHtml(app)).toEqual('<div dir="" dirsame="">ViewRef</div>');
|
|
expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
|
|
|
|
expect(dir !.cdr).toBe(app.cdr);
|
|
expect(dir !.cdr).toBe(dirSameInstance !.cdr);
|
|
});
|
|
});
|
|
|
|
describe('@Attribute', () => {
|
|
|
|
it('should inject attribute', () => {
|
|
let exist = 'wrong' as string | undefined;
|
|
let nonExist = 'wrong' as string | undefined;
|
|
|
|
const MyApp = createComponent('my-app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['exist', 'existValue', 'other', 'ignore']);
|
|
exist = injectAttribute('exist');
|
|
nonExist = injectAttribute('nonExist');
|
|
}
|
|
});
|
|
|
|
const fixture = new ComponentFixture(MyApp);
|
|
expect(exist).toEqual('existValue');
|
|
expect(nonExist).toEqual(undefined);
|
|
});
|
|
|
|
// https://stackblitz.com/edit/angular-8ytqkp?file=src%2Fapp%2Fapp.component.ts
|
|
it('should not inject attributes representing bindings and outputs', () => {
|
|
let exist = 'wrong' as string | undefined;
|
|
let nonExist = 'wrong' as string | undefined;
|
|
|
|
const MyApp = createComponent('my-app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['exist', 'existValue', AttributeMarker.SelectOnly, 'nonExist']);
|
|
exist = injectAttribute('exist');
|
|
nonExist = injectAttribute('nonExist');
|
|
}
|
|
});
|
|
|
|
const fixture = new ComponentFixture(MyApp);
|
|
expect(exist).toEqual('existValue');
|
|
expect(nonExist).toEqual(undefined);
|
|
});
|
|
|
|
it('should not accidentally inject attributes representing bindings and outputs', () => {
|
|
let exist = 'wrong' as string | undefined;
|
|
let nonExist = 'wrong' as string | undefined;
|
|
|
|
const MyApp = createComponent('my-app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', [
|
|
'exist', 'existValue', AttributeMarker.SelectOnly, 'binding1', 'nonExist', 'binding2'
|
|
]);
|
|
exist = injectAttribute('exist');
|
|
nonExist = injectAttribute('nonExist');
|
|
}
|
|
});
|
|
|
|
const fixture = new ComponentFixture(MyApp);
|
|
expect(exist).toEqual('existValue');
|
|
expect(nonExist).toEqual(undefined);
|
|
});
|
|
});
|
|
|
|
describe('inject', () => {
|
|
describe('bloom filter', () => {
|
|
let di: LInjector;
|
|
beforeEach(() => {
|
|
di = {} as any;
|
|
di.bf0 = 0;
|
|
di.bf1 = 0;
|
|
di.bf2 = 0;
|
|
di.bf3 = 0;
|
|
di.bf4 = 0;
|
|
di.bf5 = 0;
|
|
di.bf6 = 0;
|
|
di.bf7 = 0;
|
|
di.bf3 = 0;
|
|
di.cbf0 = 0;
|
|
di.cbf1 = 0;
|
|
di.cbf2 = 0;
|
|
di.cbf3 = 0;
|
|
di.cbf4 = 0;
|
|
di.cbf5 = 0;
|
|
di.cbf6 = 0;
|
|
di.cbf7 = 0;
|
|
});
|
|
|
|
function bloomState() {
|
|
return [di.bf7, di.bf6, di.bf5, di.bf4, di.bf3, di.bf2, di.bf1, di.bf0];
|
|
}
|
|
|
|
it('should add values', () => {
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 0 } as any);
|
|
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 0, 0, 1]);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 32 + 1 } as any);
|
|
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 0, 2, 1]);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 64 + 2 } as any);
|
|
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 4, 2, 1]);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 96 + 3 } as any);
|
|
expect(bloomState()).toEqual([0, 0, 0, 0, 8, 4, 2, 1]);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 128 + 4 } as any);
|
|
expect(bloomState()).toEqual([0, 0, 0, 16, 8, 4, 2, 1]);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 160 + 5 } as any);
|
|
expect(bloomState()).toEqual([0, 0, 32, 16, 8, 4, 2, 1]);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 192 + 6 } as any);
|
|
expect(bloomState()).toEqual([0, 64, 32, 16, 8, 4, 2, 1]);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 224 + 7 } as any);
|
|
expect(bloomState()).toEqual([128, 64, 32, 16, 8, 4, 2, 1]);
|
|
});
|
|
|
|
it('should query values', () => {
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 0 } as any);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 32 } as any);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 64 } as any);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 96 } as any);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 127 } as any);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 161 } as any);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 188 } as any);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 223 } as any);
|
|
bloomAdd(di, { __NG_ELEMENT_ID__: 255 } as any);
|
|
|
|
expect(bloomFindPossibleInjector(di, 0, InjectFlags.Default)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 1, InjectFlags.Default)).toEqual(null);
|
|
expect(bloomFindPossibleInjector(di, 32, InjectFlags.Default)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 64, InjectFlags.Default)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 96, InjectFlags.Default)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 127, InjectFlags.Default)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 161, InjectFlags.Default)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 188, InjectFlags.Default)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 223, InjectFlags.Default)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 255, InjectFlags.Default)).toEqual(di);
|
|
});
|
|
});
|
|
|
|
it('should inject from parent view', () => {
|
|
const ParentDirective = createDirective('parentDir');
|
|
|
|
class ChildDirective {
|
|
value: string;
|
|
constructor(public parent: any) { this.value = (parent.constructor as any).name; }
|
|
static ngDirectiveDef = defineDirective({
|
|
type: ChildDirective,
|
|
selectors: [['', 'childDir', '']],
|
|
factory: () => new ChildDirective(directiveInject(ParentDirective)),
|
|
features: [PublicFeature],
|
|
exportAs: 'childDir'
|
|
});
|
|
}
|
|
|
|
class Child2Directive {
|
|
value: boolean;
|
|
constructor(parent: any, child: ChildDirective) { this.value = parent === child.parent; }
|
|
static ngDirectiveDef = defineDirective({
|
|
selectors: [['', 'child2Dir', '']],
|
|
type: Child2Directive,
|
|
factory: () => new Child2Directive(
|
|
directiveInject(ParentDirective), directiveInject(ChildDirective)),
|
|
exportAs: 'child2Dir'
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <div parentDir>
|
|
* <span childDir child2Dir #child1="childDir" #child2="child2Dir">
|
|
* {{ child1.value }} - {{ child2.value }}
|
|
* </span>
|
|
* </div>
|
|
*/
|
|
function Template(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['parentDir', '']);
|
|
{ container(1); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(1);
|
|
{
|
|
let rf1 = embeddedViewStart(0);
|
|
if (rf1 & RenderFlags.Create) {
|
|
elementStart(
|
|
0, 'span', ['childDir', '', 'child2Dir', ''],
|
|
['child1', 'childDir', 'child2', 'child2Dir']);
|
|
{ text(3); }
|
|
elementEnd();
|
|
}
|
|
let tmp1: any;
|
|
let tmp2: any;
|
|
if (rf & RenderFlags.Update) {
|
|
tmp1 = load(1);
|
|
tmp2 = load(2);
|
|
textBinding(3, interpolation2('', tmp1.value, '-', tmp2.value, ''));
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}
|
|
|
|
const defs = [ChildDirective, Child2Directive, ParentDirective];
|
|
expect(renderToHtml(Template, {}, defs))
|
|
.toEqual('<div parentdir=""><span child2dir="" childdir="">Directive-true</span></div>');
|
|
});
|
|
|
|
it('should inject from module Injector', () => {
|
|
|
|
});
|
|
});
|
|
|
|
describe('getOrCreateNodeInjector', () => {
|
|
it('should handle initial undefined state', () => {
|
|
const contentView = createLViewData(
|
|
null !, createTView(-1, null, null, null, null), null, LViewFlags.CheckAlways);
|
|
const oldView = enterView(contentView, null !);
|
|
try {
|
|
const parent = createLNode(0, TNodeType.Element, null, null, null, null);
|
|
|
|
// Simulate the situation where the previous parent is not initialized.
|
|
// This happens on first bootstrap because we don't init existing values
|
|
// so that we have smaller HelloWorld.
|
|
(parent.tNode as{parent: any}).parent = undefined;
|
|
|
|
const injector: any = getOrCreateNodeInjector(); // TODO: Review use of `any` here (#19904)
|
|
expect(injector).not.toBe(null);
|
|
} finally {
|
|
leaveView(oldView);
|
|
}
|
|
});
|
|
});
|
|
|
|
});
|