1858 lines
63 KiB
TypeScript
1858 lines
63 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 {Attribute, ChangeDetectorRef, ElementRef, Host, InjectFlags, Injector, Optional, Renderer2, 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, bloomHashBitOrFactory as bloomHash, getOrCreateNodeInjector, injectAttribute, injectorHasToken} from '../../src/render3/di';
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import {PublicFeature, defineDirective, directiveInject, elementProperty, load, templateRefExtractor} from '../../src/render3/index';
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import {bind, container, containerRefreshEnd, containerRefreshStart, createNodeAtIndex, createLViewData, createTView, element, elementEnd, elementStart, embeddedViewEnd, embeddedViewStart, enterView, interpolation2, leaveView, projection, projectionDef, reference, template, text, textBinding, elementContainerStart, elementContainerEnd} from '../../src/render3/instructions';
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import {isProceduralRenderer} from '../../src/render3/interfaces/renderer';
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import {AttributeMarker, LContainerNode, LElementNode, 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 {getRendererFactory2} from './imported_renderer2';
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import {ComponentFixture, createComponent, createDirective, getDirectiveOnNode, renderComponent, toHtml} from './render_util';
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import {NgIf} from './common_with_def';
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import {TNODE} from '../../src/render3/interfaces/injector';
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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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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', ''], ['dir', 'dir']);
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{ text(2); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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const tmp = reference(1) as any;
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textBinding(2, bind(tmp.value));
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}
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}, 3, 1, [Directive]);
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const fixture = new ComponentFixture(App);
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expect(fixture.html).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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inputs: {value: 'value'}
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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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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', '']);
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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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if (rf & RenderFlags.Update) {
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const tmp = reference(2) as any;
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textBinding(3, bind(tmp.value));
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}
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}, 4, 1, [DirA, DirB, DirC]);
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const fixture = new ComponentFixture(App);
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expect(fixture.html).toEqual('<div dira=""><span dirb="" dirc="">DirADirB</span></div>');
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});
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it('should instantiate injected directives in dependency order', () => {
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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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element(0, 'div', ['dirA', '', 'dirB', '']);
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}
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}, 1, 0, [DirA, DirB]);
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new ComponentFixture(App);
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expect(log).toEqual(['DirB', 'DirA (dep: DirB)']);
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});
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it('should fallback to the module injector', () => {
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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 dirB></div><div dirA></div>`
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// - dirB is know to the node injectors (it uses the diPublic feature)
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// - then when dirA tries to inject dirB, it will check the node injector first tree
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// - if not found, it will check the module injector tree
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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', ['dirB', '']);
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element(1, 'div', ['dirA', '']);
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}
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}, 2, 0, [DirA, DirB]);
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const fakeModuleInjector: any = {
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get: function(token: any) {
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const value = token === DirB ? 'module' : 'fail';
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return {value: value};
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}
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};
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new ComponentFixture(App, {injector: fakeModuleInjector});
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expect(log).toEqual(['DirB', 'DirA (dep: module)']);
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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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consts: 0,
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vars: 0,
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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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element(0, 'comp', ['dirB', '']);
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}
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}, 1, 0, [Comp, DirB]);
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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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if (rf & RenderFlags.Update) {
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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, 1, 0)) {
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element(0, 'div', ['dirA', '', 'dirB', '']);
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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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}, 1, 0, [DirA, DirB]);
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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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element(0, 'div', ['dirA', '', 'dirB', '', 'dirC', '']);
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}
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}, 1, 0, [DirA, DirB, DirC]);
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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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consts: 0,
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vars: 0,
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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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element(0, 'comp', ['dirA', '', 'dirB', '', 'dirC', '', 'dirD', '']);
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}
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}, 1, 0, [Comp, DirA, DirB, DirC, DirD]);
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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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consts: 1,
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vars: 0,
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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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element(0, 'div', ['dirA', '', 'dirB', '', 'dirC', 'dirC']);
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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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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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element(0, 'div', ['dirA', '', 'dirB', '']);
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}
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}, 1, 0, [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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element(0, 'parent', ['dirB', '']);
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}
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}, 1, 0, [Parent, DirB]);
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new ComponentFixture(App);
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expect(log).toEqual(['DirB', 'DirB', 'DirA (dep: DirB - 2)']);
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});
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describe('dependencies in parent views', () => {
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class DirA {
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injector: Injector;
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constructor(public dirB: DirB, public vcr: ViewContainerRef) {
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this.injector = vcr.injector;
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}
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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(directiveInject(DirB), directiveInject(ViewContainerRef as any)),
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features: [PublicFeature],
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exportAs: 'dirA'
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});
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}
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/**
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* <div dirA #dir="dirA">
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* {{ dir.dirB.value }}
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* </div>
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*/
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const Comp = createComponent('comp', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'div', ['dirA', ''], ['dir', 'dirA']);
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{ text(2); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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const dir = reference(1) as DirA;
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textBinding(2, bind(dir.dirB.value));
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}
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}, 3, 1, [DirA]);
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it('should find dependencies on component hosts', () => {
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/** <comp dirB>/comp> */
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const App = createComponent('app', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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element(0, 'comp', ['dirB', '']);
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}
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}, 1, 0, [Comp, DirB]);
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const fixture = new ComponentFixture(App);
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expect(fixture.hostElement.textContent).toEqual(`DirB`);
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});
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it('should find dependencies for directives in embedded views', () => {
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function IfTemplate(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'div');
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{
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elementStart(1, 'div', ['dirA', ''], ['dir', 'dirA']);
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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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if (rf & RenderFlags.Update) {
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const dir = reference(2) as DirA;
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textBinding(3, bind(dir.dirB.value));
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}
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}
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/**
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* <div dirB>
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* <div *ngIf="showing">
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* <div dirA #dir="dirA"> {{ dir.dirB.value }} </div>
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* </div>
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* </div>
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*/
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const App = createComponent('app', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirB', '']);
|
|
{ template(1, IfTemplate, 4, 1, '', [AttributeMarker.SelectOnly, 'ngIf', '']); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'ngIf', bind(ctx.showing));
|
|
}
|
|
}, 2, 1, [DirA, DirB, NgIf]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
fixture.component.showing = true;
|
|
fixture.update();
|
|
|
|
expect(fixture.hostElement.textContent).toEqual(`DirB`);
|
|
});
|
|
|
|
it('should find dependencies of directives nested deeply in inline views', () => {
|
|
/**
|
|
* <div dirB>
|
|
* % if (!skipContent) {
|
|
* % if (!skipContent2) {
|
|
* <div dirA #dir="dirA"> {{ dir.dirB.value }} </div>
|
|
* % }
|
|
* % }
|
|
* </div>
|
|
*/
|
|
const App = createComponent('app', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirB', '']);
|
|
{ container(1); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(1);
|
|
{
|
|
if (!ctx.skipContent) {
|
|
let rf1 = embeddedViewStart(0, 1, 0);
|
|
{
|
|
if (rf1 & RenderFlags.Create) {
|
|
container(0);
|
|
}
|
|
if (rf1 & RenderFlags.Update) {
|
|
containerRefreshStart(0);
|
|
{
|
|
if (!ctx.skipContent2) {
|
|
let rf2 = embeddedViewStart(0, 3, 1);
|
|
{
|
|
if (rf2 & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirA', ''], ['dir', 'dirA']);
|
|
{ text(2); }
|
|
elementEnd();
|
|
}
|
|
if (rf2 & RenderFlags.Update) {
|
|
const dir = reference(1) as DirA;
|
|
textBinding(2, bind(dir.dirB.value));
|
|
}
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 2, 0, [DirA, DirB]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(fixture.hostElement.textContent).toEqual(`DirB`);
|
|
});
|
|
|
|
it('should find dependencies in declaration tree of ng-template (not insertion tree)', () => {
|
|
let structuralDir !: StructuralDir;
|
|
|
|
class StructuralDir {
|
|
// @Input()
|
|
tmp !: TemplateRef<any>;
|
|
|
|
constructor(public vcr: ViewContainerRef) {}
|
|
|
|
create() { this.vcr.createEmbeddedView(this.tmp); }
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: StructuralDir,
|
|
selectors: [['', 'structuralDir', '']],
|
|
factory: () => structuralDir =
|
|
new StructuralDir(directiveInject(ViewContainerRef as any)),
|
|
inputs: {tmp: 'tmp'},
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
function FooTemplate(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirA', ''], ['dir', 'dirA']);
|
|
{ text(2); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const dir = reference(1) as DirA;
|
|
textBinding(2, bind(dir.dirB.value));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* <div dirB value="declaration">
|
|
* <ng-template #foo>
|
|
* <div dirA dir="dirA"> {{ dir.dirB.value }} </div>
|
|
* </ng-template>
|
|
* </div>
|
|
*
|
|
* <div dirB value="insertion">
|
|
* <div structuralDir [tmp]="foo"></div>
|
|
* // insertion point
|
|
* </div>
|
|
*/
|
|
const App = createComponent('app', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dirB', '', 'value', 'declaration']);
|
|
{ template(1, FooTemplate, 3, 1, '', null, ['foo', ''], templateRefExtractor); }
|
|
elementEnd();
|
|
elementStart(3, 'div', ['dirB', '', 'value', 'insertion']);
|
|
{ element(4, 'div', ['structuralDir', '']); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const foo = reference(2) as any;
|
|
elementProperty(4, 'tmp', bind(foo));
|
|
}
|
|
}, 5, 1, [DirA, DirB, StructuralDir]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
structuralDir.create();
|
|
fixture.update();
|
|
expect(fixture.hostElement.textContent).toEqual(`declaration`);
|
|
});
|
|
|
|
it('should create injectors on second template pass', () => {
|
|
/**
|
|
* <comp dirB></comp>
|
|
* <comp dirB></comp>
|
|
*/
|
|
const App = createComponent('app', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'comp', ['dirB', '']);
|
|
element(1, 'comp', ['dirB', '']);
|
|
}
|
|
}, 2, 0, [Comp, DirB]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(fixture.hostElement.textContent).toEqual(`DirBDirB`);
|
|
});
|
|
|
|
it('should create injectors and host bindings in same view', () => {
|
|
let hostBindingDir !: HostBindingDir;
|
|
|
|
class HostBindingDir {
|
|
// @HostBinding('id')
|
|
id = 'foo';
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: HostBindingDir,
|
|
selectors: [['', 'hostBindingDir', '']],
|
|
factory: () => hostBindingDir = new HostBindingDir(),
|
|
hostVars: 1,
|
|
hostBindings: (directiveIndex: number, elementIndex: number) => {
|
|
elementProperty(elementIndex, 'id', bind(load<HostBindingDir>(directiveIndex).id));
|
|
}
|
|
});
|
|
}
|
|
|
|
let dir !: DirA;
|
|
/**
|
|
* <div dirB hostBindingDir>
|
|
* <p dirA #dir="dirA">
|
|
* {{ dir.dirB.value }}
|
|
* </p>
|
|
* </div>
|
|
*/
|
|
const App = createComponent('app', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', [
|
|
'dirB',
|
|
'',
|
|
'hostBindingDir',
|
|
'',
|
|
]);
|
|
{
|
|
elementStart(1, 'p', ['dirA', ''], ['dir', 'dirA']);
|
|
{ text(3); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
dir = reference(2) as DirA;
|
|
textBinding(3, bind(dir.dirB.value));
|
|
}
|
|
}, 4, 1, [HostBindingDir, DirA, DirB]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(fixture.hostElement.textContent).toEqual(`DirB`);
|
|
const hostDirEl = fixture.hostElement.querySelector('div') as HTMLElement;
|
|
expect(hostDirEl.id).toEqual('foo');
|
|
// The injector should not be overwritten by host bindings
|
|
expect(dir.vcr.injector).toEqual(dir.injector);
|
|
|
|
hostBindingDir.id = 'bar';
|
|
fixture.update();
|
|
expect(hostDirEl.id).toEqual('bar');
|
|
});
|
|
});
|
|
|
|
it('should create instance even when no injector present', () => {
|
|
class MyService {
|
|
value = 'MyService';
|
|
static ngInjectableDef =
|
|
defineInjectable({providedIn: 'root', factory: () => new MyService()});
|
|
}
|
|
|
|
class MyComponent {
|
|
constructor(public myService: MyService) {}
|
|
static ngComponentDef = defineComponent({
|
|
type: MyComponent,
|
|
selectors: [['my-component']],
|
|
consts: 1,
|
|
vars: 1,
|
|
factory: () => new MyComponent(directiveInject(MyService)),
|
|
template: function(rf: RenderFlags, ctx: MyComponent) {
|
|
if (rf & RenderFlags.Create) {
|
|
text(0);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
textBinding(0, bind(ctx.myService.value));
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
const fixture = new ComponentFixture(MyComponent);
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('MyService');
|
|
});
|
|
|
|
it('should throw if directive is not found anywhere', () => {
|
|
class Dir {
|
|
constructor(siblingDir: OtherDir) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
selectors: [['', 'dir', '']],
|
|
type: Dir,
|
|
factory: () => new Dir(directiveInject(OtherDir)),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
class OtherDir {
|
|
static ngDirectiveDef = defineDirective({
|
|
selectors: [['', 'other', '']],
|
|
type: OtherDir,
|
|
factory: () => new OtherDir(),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
/** <div dir></div> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'div', ['dir', '']);
|
|
}
|
|
}, 1, 0, [Dir, OtherDir]);
|
|
|
|
expect(() => new ComponentFixture(App)).toThrowError(/Injector: NOT_FOUND \[OtherDir\]/);
|
|
});
|
|
|
|
it('should throw if directive is not found in ancestor tree', () => {
|
|
class Dir {
|
|
constructor(siblingDir: OtherDir) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
selectors: [['', 'dir', '']],
|
|
type: Dir,
|
|
factory: () => new Dir(directiveInject(OtherDir)),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
class OtherDir {
|
|
static ngDirectiveDef = defineDirective({
|
|
selectors: [['', 'other', '']],
|
|
type: OtherDir,
|
|
factory: () => new OtherDir(),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <div other></div>
|
|
* <div dir></div>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'div', ['other', '']);
|
|
element(1, 'div', ['dir', '']);
|
|
}
|
|
}, 2, 0, [Dir, OtherDir]);
|
|
|
|
expect(() => new ComponentFixture(App)).toThrowError(/Injector: NOT_FOUND \[OtherDir\]/);
|
|
});
|
|
|
|
|
|
it('should throw if directives try to inject each other', () => {
|
|
class DirA {
|
|
constructor(dir: DirB) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
selectors: [['', 'dirA', '']],
|
|
type: DirA,
|
|
factory: () => new DirA(directiveInject(DirB)),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
class DirB {
|
|
constructor(dir: DirA) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
selectors: [['', 'dirB', '']],
|
|
type: DirB,
|
|
factory: () => new DirB(directiveInject(DirA)),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
/** <div dirA dirB></div> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'div', ['dirA', '', 'dirB', '']);
|
|
}
|
|
}, 1, 0, [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) {
|
|
element(0, 'div', ['dir', '']);
|
|
}
|
|
}, 1, 0, [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) {
|
|
element(0, 'div', ['dirA', '']);
|
|
}
|
|
}, 1, 0, [DirA, DirB]);
|
|
|
|
expect(() => {
|
|
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) {
|
|
element(0, 'div', ['dirB', '']);
|
|
element(1, 'div', ['dirA', '']);
|
|
}
|
|
}, 2, 0, [DirA, DirB]);
|
|
|
|
expect(() => {
|
|
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) {
|
|
element(0, 'div', ['dirA', '', 'dirB', 'self']);
|
|
}
|
|
}, 1, 0, [DirA, DirB]);
|
|
|
|
/* <comp dirB="parent"></comp> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'comp', ['dirB', 'parent']);
|
|
}
|
|
}, 1, 0, [Comp, DirB]);
|
|
|
|
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', '']);
|
|
element(1, 'div', ['dirA', '']);
|
|
elementEnd();
|
|
}
|
|
}, 2, 0, [DirA, DirB]);
|
|
|
|
expect(() => { 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', '']);
|
|
element(1, 'div', ['dirA', '', 'dirC', '']);
|
|
elementEnd();
|
|
}
|
|
}, 2, 0, [DirA, DirB, DirC]);
|
|
|
|
expect(() => {
|
|
(DirA as any)['__NG_ELEMENT_ID__'] = 1;
|
|
(DirC as any)['__NG_ELEMENT_ID__'] = 257;
|
|
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) {
|
|
element(0, 'div', ['dirA', '']);
|
|
}
|
|
}, 1, 0, [DirA, DirB]);
|
|
|
|
/* <comp dirB></comp> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'comp', ['dirB', '']);
|
|
}
|
|
}, 1, 0, [Comp, DirB]);
|
|
|
|
expect(() => { new ComponentFixture(App); }).toThrowError(/Injector: NOT_FOUND \[DirB\]/);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
|
|
describe('Special tokens', () => {
|
|
|
|
describe('ElementRef', () => {
|
|
|
|
it('should create directive with ElementRef dependencies', () => {
|
|
let dir !: Directive;
|
|
let dirSameInstance !: DirectiveSameInstance;
|
|
let divNode !: LElementNode;
|
|
|
|
class Directive {
|
|
value: string;
|
|
constructor(public elementRef: ElementRef) {
|
|
this.value = (elementRef.constructor as any).name;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: Directive,
|
|
selectors: [['', 'dir', '']],
|
|
factory: () => dir = new Directive(directiveInject(ElementRef)),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
class DirectiveSameInstance {
|
|
isSameInstance: boolean;
|
|
constructor(public elementRef: ElementRef, directive: Directive) {
|
|
this.isSameInstance = elementRef === directive.elementRef;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirectiveSameInstance,
|
|
selectors: [['', 'dirSame', '']],
|
|
factory: () => dirSameInstance = new DirectiveSameInstance(
|
|
directiveInject(ElementRef), directiveInject(Directive)),
|
|
exportAs: 'dirSame'
|
|
});
|
|
}
|
|
|
|
/** <div dir dirSame></div> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '', 'dirSame', '']);
|
|
elementEnd();
|
|
divNode = load(0);
|
|
}
|
|
}, 1, 0, [Directive, DirectiveSameInstance]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(dir.value).toContain('ElementRef');
|
|
expect(dir.elementRef.nativeElement).toEqual(divNode.native);
|
|
expect(dirSameInstance.elementRef.nativeElement).toEqual(divNode.native);
|
|
|
|
// Each ElementRef instance should be unique
|
|
expect(dirSameInstance.isSameInstance).toBe(false);
|
|
});
|
|
|
|
it('should create ElementRef with comment if requesting directive is on <ng-template> node',
|
|
() => {
|
|
let dir !: Directive;
|
|
let commentNode !: LContainerNode;
|
|
|
|
class Directive {
|
|
value: string;
|
|
constructor(public elementRef: ElementRef) {
|
|
this.value = (elementRef.constructor as any).name;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: Directive,
|
|
selectors: [['', 'dir', '']],
|
|
factory: () => dir = new Directive(directiveInject(ElementRef)),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
/** <ng-template dir></ng-template> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
template(0, () => {}, 0, 0, null, ['dir', '']);
|
|
commentNode = load(0);
|
|
}
|
|
}, 1, 0, [Directive]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(dir.value).toContain('ElementRef');
|
|
expect(dir.elementRef.nativeElement).toEqual(commentNode.native);
|
|
});
|
|
});
|
|
|
|
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(directiveInject(TemplateRef as any)),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
class DirectiveSameInstance {
|
|
isSameInstance: boolean;
|
|
constructor(templateRef: TemplateRef<any>, directive: Directive) {
|
|
this.isSameInstance = templateRef === directive.templateRef;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirectiveSameInstance,
|
|
selectors: [['', 'dirSame', '']],
|
|
factory: () => new DirectiveSameInstance(
|
|
directiveInject(TemplateRef as any), directiveInject(Directive)),
|
|
exportAs: 'dirSame'
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <ng-template dir dirSame #dir="dir" #dirSame="dirSame">
|
|
* {{ dir.value }} - {{ dirSame.value }}
|
|
* </ng-template>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
template(0, function() {
|
|
}, 0, 0, undefined, ['dir', '', 'dirSame', ''], ['dir', 'dir', 'dirSame', 'dirSame']);
|
|
text(3);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const tmp1 = reference(1) as any;
|
|
const tmp2 = reference(2) as any;
|
|
textBinding(3, interpolation2('', tmp1.value, '-', tmp2.isSameInstance, ''));
|
|
}
|
|
}, 4, 2, [Directive, DirectiveSameInstance]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
// Each TemplateRef instance should be unique
|
|
expect(fixture.html).toContain('TemplateRef');
|
|
expect(fixture.html).toContain('false');
|
|
});
|
|
});
|
|
|
|
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(directiveInject(ViewContainerRef as any)),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
class DirectiveSameInstance {
|
|
isSameInstance: boolean;
|
|
constructor(viewContainerRef: ViewContainerRef, directive: Directive) {
|
|
this.isSameInstance = viewContainerRef === directive.viewContainerRef;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirectiveSameInstance,
|
|
selectors: [['', 'dirSame', '']],
|
|
factory: () => new DirectiveSameInstance(
|
|
directiveInject(ViewContainerRef as any), directiveInject(Directive)),
|
|
exportAs: 'dirSame'
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <div dir dirSame #dir="dir" #dirSame="dirSame">
|
|
* {{ dir.value }} - {{ dirSame.value }}
|
|
* </div>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(
|
|
0, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir', 'dirSame', 'dirSame']);
|
|
{ text(3); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const tmp1 = reference(1) as any;
|
|
const tmp2 = reference(2) as any;
|
|
textBinding(3, interpolation2('', tmp1.value, '-', tmp2.isSameInstance, ''));
|
|
}
|
|
}, 4, 2, [Directive, DirectiveSameInstance]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
// Each ViewContainerRef instance should be unique
|
|
expect(fixture.html).toContain('ViewContainerRef');
|
|
expect(fixture.html).toContain('false');
|
|
});
|
|
});
|
|
|
|
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(directiveInject(ChangeDetectorRef as any)),
|
|
consts: 1,
|
|
vars: 0,
|
|
template: function(rf: RenderFlags, ctx: MyComp) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
projection(0);
|
|
}
|
|
},
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
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(directiveInject(ChangeDetectorRef as any)),
|
|
features: [PublicFeature],
|
|
exportAs: 'dir'
|
|
});
|
|
}
|
|
|
|
class DirectiveSameInstance {
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: DirectiveSameInstance,
|
|
selectors: [['', 'dirSame', '']],
|
|
factory: () => dirSameInstance =
|
|
new DirectiveSameInstance(directiveInject(ChangeDetectorRef as any)),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
const directives = [MyComp, Directive, DirectiveSameInstance, NgIf];
|
|
|
|
it('should inject current component ChangeDetectorRef into directives on the same node as 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) {
|
|
element(0, 'my-comp', ['dir', '', 'dirSame', ''], ['dir', 'dir']);
|
|
text(2);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const tmp = reference(1) as any;
|
|
textBinding(2, bind(tmp.value));
|
|
}
|
|
}, 3, 1, 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);
|
|
|
|
// Each ChangeDetectorRef instance should be unique
|
|
expect(dir !.cdr).not.toBe(comp !.cdr);
|
|
expect(dir !.cdr).not.toBe(dirSameInstance !.cdr);
|
|
});
|
|
|
|
it('should inject host component ChangeDetectorRef into directives on normal elements',
|
|
() => {
|
|
|
|
class MyApp {
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
selectors: [['my-app']],
|
|
consts: 3,
|
|
vars: 1,
|
|
factory: () => new MyApp(directiveInject(ChangeDetectorRef as any)),
|
|
/** <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();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const tmp = reference(1) as any;
|
|
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);
|
|
|
|
// Each ChangeDetectorRef instance should be unique
|
|
expect(dir !.cdr).not.toBe(app.cdr);
|
|
expect(dir !.cdr).not.toBe(dirSameInstance !.cdr);
|
|
});
|
|
|
|
it('should inject host component ChangeDetectorRef into directives in a component\'s ContentChildren',
|
|
() => {
|
|
class MyApp {
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
selectors: [['my-app']],
|
|
consts: 4,
|
|
vars: 1,
|
|
factory: () => new MyApp(directiveInject(ChangeDetectorRef as any)),
|
|
/**
|
|
* <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');
|
|
{ element(1, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir']); }
|
|
elementEnd();
|
|
text(3);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const tmp = reference(2) as any;
|
|
textBinding(3, bind(tmp.value));
|
|
}
|
|
},
|
|
directives: directives,
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
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);
|
|
|
|
// Each ChangeDetectorRef instance should be unique
|
|
expect(dir !.cdr).not.toBe(app !.cdr);
|
|
expect(dir !.cdr).not.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(directiveInject(ChangeDetectorRef as any)),
|
|
consts: 1,
|
|
vars: 0,
|
|
/**
|
|
* % 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, 3, 1);
|
|
if (rf1 & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir']);
|
|
{ text(2); }
|
|
elementEnd();
|
|
}
|
|
if (rf1 & RenderFlags.Update) {
|
|
const tmp = reference(1) as any;
|
|
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);
|
|
|
|
// Each ChangeDetectorRef instance should be unique
|
|
expect(dir !.cdr).not.toBe(app.cdr);
|
|
expect(dir !.cdr).not.toBe(dirSameInstance !.cdr);
|
|
});
|
|
|
|
it('should inject host component ChangeDetectorRef into directives on containers', () => {
|
|
function C1(rf1: RenderFlags, ctx1: any) {
|
|
if (rf1 & RenderFlags.Create) {
|
|
elementStart(0, 'div', ['dir', '', 'dirSame', ''], ['dir', 'dir']);
|
|
{ text(2); }
|
|
elementEnd();
|
|
}
|
|
if (rf1 & RenderFlags.Update) {
|
|
const tmp = reference(1) as any;
|
|
textBinding(2, bind(tmp.value));
|
|
}
|
|
}
|
|
|
|
class MyApp {
|
|
showing = true;
|
|
|
|
constructor(public cdr: ChangeDetectorRef) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
selectors: [['my-app']],
|
|
factory: () => new MyApp(directiveInject(ChangeDetectorRef as any)),
|
|
consts: 1,
|
|
vars: 0,
|
|
/** <div *ngIf="showing" dir dirSameInstance #dir="dir"> {{ dir.value }} </div> */
|
|
template: function(rf: RenderFlags, ctx: MyApp) {
|
|
if (rf & RenderFlags.Create) {
|
|
template(0, C1, 3, 1, null, ['ngIf', 'showing']);
|
|
}
|
|
},
|
|
directives: directives
|
|
});
|
|
}
|
|
|
|
const app = renderComponent(MyApp);
|
|
expect(toHtml(app)).toEqual('<div dir="" dirsame="">ViewRef</div>');
|
|
expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
|
|
|
|
// Each ChangeDetectorRef instance should be unique
|
|
expect(dir !.cdr).not.toBe(app.cdr);
|
|
expect(dir !.cdr).not.toBe(dirSameInstance !.cdr);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('Renderer2', () => {
|
|
class MyComp {
|
|
constructor(public renderer: Renderer2) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyComp,
|
|
selectors: [['my-comp']],
|
|
factory: () => new MyComp(directiveInject(Renderer2 as any)),
|
|
consts: 1,
|
|
vars: 0,
|
|
template: function(rf: RenderFlags, ctx: MyComp) {
|
|
if (rf & RenderFlags.Create) {
|
|
text(0, 'Foo');
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
it('should inject the Renderer2 used by the application', () => {
|
|
const rendererFactory = getRendererFactory2(document);
|
|
const fixture = new ComponentFixture(MyComp, {rendererFactory: rendererFactory});
|
|
expect(isProceduralRenderer(fixture.component.renderer)).toBeTruthy();
|
|
});
|
|
|
|
it('should throw when injecting Renderer2 but the application is using Renderer3',
|
|
() => { expect(() => new ComponentFixture(MyComp)).toThrow(); });
|
|
});
|
|
|
|
describe('@Attribute', () => {
|
|
let myDirectiveInstance !: MyDirective | null;
|
|
|
|
class MyDirective {
|
|
exists = 'wrong' as string | undefined;
|
|
myDirective = 'wrong' as string | undefined;
|
|
constructor(
|
|
@Attribute('exist') existAttrValue: string|undefined,
|
|
@Attribute('myDirective') myDirectiveAttrValue: string|undefined) {
|
|
this.exists = existAttrValue;
|
|
this.myDirective = myDirectiveAttrValue;
|
|
}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: MyDirective,
|
|
selectors: [['', 'myDirective', '']],
|
|
factory: () => myDirectiveInstance =
|
|
new MyDirective(injectAttribute('exist'), injectAttribute('myDirective'))
|
|
});
|
|
}
|
|
|
|
beforeEach(() => myDirectiveInstance = null);
|
|
|
|
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');
|
|
}
|
|
}, 1);
|
|
|
|
new ComponentFixture(MyApp);
|
|
expect(exist).toEqual('existValue');
|
|
expect(nonExist).toEqual(undefined);
|
|
});
|
|
|
|
// https://stackblitz.com/edit/angular-scawyi?file=src%2Fapp%2Fapp.component.ts
|
|
it('should inject attributes on <ng-template>', () => {
|
|
let myDirectiveInstance: MyDirective;
|
|
|
|
/* <ng-template myDirective="initial" exist="existValue" other="ignore"></ng-template>*/
|
|
const MyApp = createComponent('my-app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
template(
|
|
0, null, 0, 0, null,
|
|
['myDirective', 'initial', 'exist', 'existValue', 'other', 'ignore']);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
myDirectiveInstance = getDirectiveOnNode(0);
|
|
}
|
|
}, 1, 0, [MyDirective]);
|
|
|
|
new ComponentFixture(MyApp);
|
|
expect(myDirectiveInstance !.exists).toEqual('existValue');
|
|
expect(myDirectiveInstance !.myDirective).toEqual('initial');
|
|
});
|
|
|
|
// https://stackblitz.com/edit/angular-scawyi?file=src%2Fapp%2Fapp.component.ts
|
|
it('should inject attributes on <ng-container>', () => {
|
|
let myDirectiveInstance: MyDirective;
|
|
|
|
/* <ng-container myDirective="initial" exist="existValue" other="ignore"></ng-container>*/
|
|
const MyApp = createComponent('my-app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementContainerStart(
|
|
0, ['myDirective', 'initial', 'exist', 'existValue', 'other', 'ignore']);
|
|
elementContainerEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
myDirectiveInstance = getDirectiveOnNode(0);
|
|
}
|
|
}, 1, 0, [MyDirective]);
|
|
|
|
new ComponentFixture(MyApp);
|
|
expect(myDirectiveInstance !.exists).toEqual('existValue');
|
|
expect(myDirectiveInstance !.myDirective).toEqual('initial');
|
|
});
|
|
|
|
// 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');
|
|
}
|
|
}, 1);
|
|
|
|
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');
|
|
}
|
|
}, 1);
|
|
|
|
new ComponentFixture(MyApp);
|
|
expect(exist).toEqual('existValue');
|
|
expect(nonExist).toEqual(undefined);
|
|
});
|
|
});
|
|
|
|
describe('inject', () => {
|
|
describe('bloom filter', () => {
|
|
let mockTView: any;
|
|
beforeEach(() => {
|
|
mockTView = {data: [0, 0, 0, 0, 0, 0, 0, 0, null], firstTemplatePass: true};
|
|
});
|
|
|
|
function bloomState() { return mockTView.data.slice(0, TNODE).reverse(); }
|
|
|
|
class Dir0 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 0;
|
|
}
|
|
class Dir1 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 1;
|
|
}
|
|
class Dir33 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 33;
|
|
}
|
|
class Dir66 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 66;
|
|
}
|
|
class Dir99 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 99;
|
|
}
|
|
class Dir132 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 132;
|
|
}
|
|
class Dir165 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 165;
|
|
}
|
|
class Dir198 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 198;
|
|
}
|
|
class Dir231 {
|
|
/** @internal */ static __NG_ELEMENT_ID__ = 231;
|
|
}
|
|
|
|
it('should add values', () => {
|
|
bloomAdd(0, mockTView, Dir0);
|
|
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 0, 0, 1]);
|
|
bloomAdd(0, mockTView, Dir33);
|
|
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 0, 2, 1]);
|
|
bloomAdd(0, mockTView, Dir66);
|
|
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 4, 2, 1]);
|
|
bloomAdd(0, mockTView, Dir99);
|
|
expect(bloomState()).toEqual([0, 0, 0, 0, 8, 4, 2, 1]);
|
|
bloomAdd(0, mockTView, Dir132);
|
|
expect(bloomState()).toEqual([0, 0, 0, 16, 8, 4, 2, 1]);
|
|
bloomAdd(0, mockTView, Dir165);
|
|
expect(bloomState()).toEqual([0, 0, 32, 16, 8, 4, 2, 1]);
|
|
bloomAdd(0, mockTView, Dir198);
|
|
expect(bloomState()).toEqual([0, 64, 32, 16, 8, 4, 2, 1]);
|
|
bloomAdd(0, mockTView, Dir231);
|
|
expect(bloomState()).toEqual([128, 64, 32, 16, 8, 4, 2, 1]);
|
|
});
|
|
|
|
it('should query values', () => {
|
|
bloomAdd(0, mockTView, Dir0);
|
|
bloomAdd(0, mockTView, Dir33);
|
|
bloomAdd(0, mockTView, Dir66);
|
|
bloomAdd(0, mockTView, Dir99);
|
|
bloomAdd(0, mockTView, Dir132);
|
|
bloomAdd(0, mockTView, Dir165);
|
|
bloomAdd(0, mockTView, Dir198);
|
|
bloomAdd(0, mockTView, Dir231);
|
|
|
|
expect(injectorHasToken(bloomHash(Dir0) as number, 0, mockTView.data)).toEqual(true);
|
|
expect(injectorHasToken(bloomHash(Dir1) as number, 0, mockTView.data)).toEqual(false);
|
|
expect(injectorHasToken(bloomHash(Dir33) as number, 0, mockTView.data)).toEqual(true);
|
|
expect(injectorHasToken(bloomHash(Dir66) as number, 0, mockTView.data)).toEqual(true);
|
|
expect(injectorHasToken(bloomHash(Dir99) as number, 0, mockTView.data)).toEqual(true);
|
|
expect(injectorHasToken(bloomHash(Dir132) as number, 0, mockTView.data)).toEqual(true);
|
|
expect(injectorHasToken(bloomHash(Dir165) as number, 0, mockTView.data)).toEqual(true);
|
|
expect(injectorHasToken(bloomHash(Dir198) as number, 0, mockTView.data)).toEqual(true);
|
|
expect(injectorHasToken(bloomHash(Dir231) as number, 0, mockTView.data)).toEqual(true);
|
|
});
|
|
});
|
|
|
|
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>
|
|
* % if (...) {
|
|
* <span childDir child2Dir #child1="childDir" #child2="child2Dir">
|
|
* {{ child1.value }} - {{ child2.value }}
|
|
* </span>
|
|
* % }
|
|
* </div>
|
|
*/
|
|
const App = createComponent('app', function(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, 4, 2);
|
|
if (rf1 & RenderFlags.Create) {
|
|
elementStart(
|
|
0, 'span', ['childDir', '', 'child2Dir', ''],
|
|
['child1', 'childDir', 'child2', 'child2Dir']);
|
|
{ text(3); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const tmp1 = reference(1) as any;
|
|
const tmp2 = reference(2) as any;
|
|
textBinding(3, interpolation2('', tmp1.value, '-', tmp2.value, ''));
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 2, 0, [ChildDirective, Child2Directive, ParentDirective]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(fixture.html)
|
|
.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, 1, 0, null, null, null), null, LViewFlags.CheckAlways);
|
|
const oldView = enterView(contentView, null);
|
|
try {
|
|
const parentTNode = createNodeAtIndex(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.
|
|
(parentTNode as{parent: any}).parent = undefined;
|
|
|
|
const injector: any = getOrCreateNodeInjector(); // TODO: Review use of `any` here (#19904)
|
|
expect(injector).not.toEqual(-1);
|
|
} finally {
|
|
leaveView(oldView);
|
|
}
|
|
});
|
|
});
|
|
|
|
});
|