638 lines
21 KiB
TypeScript
638 lines
21 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {ChangeDetectorRef, ElementRef, TemplateRef, ViewContainerRef} from '@angular/core';
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import {defineComponent} from '../../src/render3/definition';
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import {InjectFlags, 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, createLView, createTView, directiveRefresh, 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 {LNodeFlags} 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 {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({type: Directive, factory: () => new Directive});
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}
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, 'div', null, [Directive]);
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{ text(2); }
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elementEnd();
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}
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textBinding(2, bind(load<Directive>(1).value));
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}
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expect(renderToHtml(Template, {})).toEqual('<div>Created</div>');
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});
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});
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describe('view dependencies', () => {
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it('should create directive with inter view dependencies', () => {
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class DirectiveA {
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value: string = 'A';
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static ngDirectiveDef = defineDirective(
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{type: DirectiveA, factory: () => new DirectiveA, features: [PublicFeature]});
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}
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class DirectiveB {
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value: string = 'B';
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static ngDirectiveDef = defineDirective(
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{type: DirectiveB, factory: () => new DirectiveB, features: [PublicFeature]});
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}
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class DirectiveC {
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value: string;
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constructor(a: DirectiveA, b: DirectiveB) { this.value = a.value + b.value; }
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static ngDirectiveDef = defineDirective({
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type: DirectiveC,
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factory: () => new DirectiveC(directiveInject(DirectiveA), directiveInject(DirectiveB))
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});
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}
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, 'div', null, [DirectiveA]);
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{
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elementStart(2, 'span', null, [DirectiveB, DirectiveC]);
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{ text(5); }
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elementEnd();
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}
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elementEnd();
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}
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textBinding(5, bind(load<DirectiveC>(4).value));
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}
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expect(renderToHtml(Template, {})).toEqual('<div><span>AB</span></div>');
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});
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});
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describe('ElementRef', () => {
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it('should create directive with ElementRef dependencies', () => {
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class Directive {
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value: string;
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constructor(public elementRef: ElementRef) {
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this.value = (elementRef.constructor as any).name;
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}
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static ngDirectiveDef = defineDirective({
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type: Directive,
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factory: () => new Directive(injectElementRef()),
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features: [PublicFeature]
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});
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}
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class DirectiveSameInstance {
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value: boolean;
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constructor(elementRef: ElementRef, directive: Directive) {
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this.value = elementRef === directive.elementRef;
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}
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static ngDirectiveDef = defineDirective({
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type: DirectiveSameInstance,
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factory: () => new DirectiveSameInstance(injectElementRef(), directiveInject(Directive))
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});
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}
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, 'div', null, [Directive, DirectiveSameInstance]);
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{ text(3); }
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elementEnd();
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}
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textBinding(
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3, interpolation2(
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'', load<Directive>(1).value, '-', load<DirectiveSameInstance>(2).value, ''));
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}
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expect(renderToHtml(Template, {})).toEqual('<div>ElementRef-true</div>');
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});
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});
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describe('TemplateRef', () => {
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it('should create directive with TemplateRef dependencies', () => {
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class Directive {
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value: string;
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constructor(public templateRef: TemplateRef<any>) {
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this.value = (templateRef.constructor as any).name;
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}
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static ngDirectiveDef = defineDirective({
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type: Directive,
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factory: () => new Directive(injectTemplateRef()),
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features: [PublicFeature]
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});
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}
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class DirectiveSameInstance {
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value: boolean;
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constructor(templateRef: TemplateRef<any>, directive: Directive) {
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this.value = templateRef === directive.templateRef;
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}
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static ngDirectiveDef = defineDirective({
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type: DirectiveSameInstance,
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factory: () => new DirectiveSameInstance(injectTemplateRef(), directiveInject(Directive))
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});
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}
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function Template(ctx: any, cm: any) {
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if (cm) {
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container(0, [Directive, DirectiveSameInstance], function() {});
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text(3);
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}
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textBinding(
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3, interpolation2(
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'', load<Directive>(1).value, '-', load<DirectiveSameInstance>(2).value, ''));
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}
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expect(renderToHtml(Template, {})).toEqual('TemplateRef-true');
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});
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});
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describe('ViewContainerRef', () => {
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it('should create directive with ViewContainerRef dependencies', () => {
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class Directive {
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value: string;
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constructor(public viewContainerRef: ViewContainerRef) {
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this.value = (viewContainerRef.constructor as any).name;
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}
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static ngDirectiveDef = defineDirective({
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type: Directive,
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factory: () => new Directive(injectViewContainerRef()),
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features: [PublicFeature]
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});
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}
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class DirectiveSameInstance {
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value: boolean;
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constructor(viewContainerRef: ViewContainerRef, directive: Directive) {
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this.value = viewContainerRef === directive.viewContainerRef;
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}
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static ngDirectiveDef = defineDirective({
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type: DirectiveSameInstance,
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factory:
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() => new DirectiveSameInstance(injectViewContainerRef(), directiveInject(Directive))
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});
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}
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, 'div', null, [Directive, DirectiveSameInstance]);
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{ text(3); }
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elementEnd();
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}
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textBinding(
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3, interpolation2(
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'', load<Directive>(1).value, '-', load<DirectiveSameInstance>(2).value, ''));
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}
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expect(renderToHtml(Template, {})).toEqual('<div>ViewContainerRef-true</div>');
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});
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});
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describe('ChangeDetectorRef', () => {
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let dir: Directive;
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let dirSameInstance: DirectiveSameInstance;
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let comp: MyComp;
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class MyComp {
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constructor(public cdr: ChangeDetectorRef) {}
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static ngComponentDef = defineComponent({
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type: MyComp,
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tag: 'my-comp',
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factory: () => comp = new MyComp(injectChangeDetectorRef()),
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template: function(ctx: MyComp, cm: boolean) {
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if (cm) {
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projectionDef(0);
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projection(1, 0);
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}
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}
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});
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}
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class Directive {
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value: string;
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constructor(public cdr: ChangeDetectorRef) { this.value = (cdr.constructor as any).name; }
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static ngDirectiveDef = defineDirective({
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type: Directive,
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factory: () => dir = new Directive(injectChangeDetectorRef()),
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features: [PublicFeature],
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exportAs: 'dir'
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});
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}
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class DirectiveSameInstance {
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constructor(public cdr: ChangeDetectorRef) {}
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static ngDirectiveDef = defineDirective({
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type: DirectiveSameInstance,
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factory: () => dirSameInstance = new DirectiveSameInstance(injectChangeDetectorRef())
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});
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}
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const $e0_attrs$ = ['dir', '', 'dirSameInstance', ''];
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it('should inject current component ChangeDetectorRef into directives on components', () => {
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class MyApp {
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static ngComponentDef = defineComponent({
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type: MyApp,
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tag: 'my-app',
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factory: () => new MyApp(),
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/** <my-comp dir dirSameInstance #dir="dir"></my-comp> {{ dir.value }} */
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template: function(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, MyComp, $e0_attrs$, [Directive, DirectiveSameInstance]);
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elementEnd();
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text(4);
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}
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textBinding(4, bind(load<Directive>(2).value));
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MyComp.ngComponentDef.h(1, 0);
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Directive.ngDirectiveDef.h(2, 0);
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DirectiveSameInstance.ngDirectiveDef.h(3, 0);
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directiveRefresh(1, 0);
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directiveRefresh(2, 0);
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directiveRefresh(3, 0);
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}
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});
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}
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const app = renderComponent(MyApp);
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// ChangeDetectorRef is the token, ViewRef has historically been the constructor
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expect(toHtml(app)).toEqual('<my-comp dir="" dirsameinstance=""></my-comp>ViewRef');
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expect((comp !.cdr as ViewRef<MyComp>).context).toBe(comp);
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expect(dir !.cdr).toBe(comp !.cdr);
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expect(dir !.cdr).toBe(dirSameInstance !.cdr);
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});
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it('should inject host component ChangeDetectorRef into directives on elements', () => {
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class MyApp {
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constructor(public cdr: ChangeDetectorRef) {}
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static ngComponentDef = defineComponent({
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type: MyApp,
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tag: 'my-app',
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factory: () => new MyApp(injectChangeDetectorRef()),
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/** <div dir dirSameInstance #dir="dir"> {{ dir.value }} </div> */
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template: function(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, 'div', $e0_attrs$, [Directive, DirectiveSameInstance]);
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{ text(3); }
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elementEnd();
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}
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textBinding(3, bind(load<Directive>(1).value));
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Directive.ngDirectiveDef.h(1, 0);
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DirectiveSameInstance.ngDirectiveDef.h(2, 0);
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directiveRefresh(1, 0);
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directiveRefresh(2, 0);
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}
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});
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}
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const app = renderComponent(MyApp);
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expect(toHtml(app)).toEqual('<div dir="" dirsameinstance="">ViewRef</div>');
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expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
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expect(dir !.cdr).toBe(app.cdr);
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expect(dir !.cdr).toBe(dirSameInstance !.cdr);
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});
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it('should inject host component ChangeDetectorRef into directives in ContentChildren', () => {
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class MyApp {
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constructor(public cdr: ChangeDetectorRef) {}
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static ngComponentDef = defineComponent({
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type: MyApp,
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tag: 'my-app',
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factory: () => new MyApp(injectChangeDetectorRef()),
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/**
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* <my-comp>
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* <div dir dirSameInstance #dir="dir"></div>
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* </my-comp>
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* {{ dir.value }}
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*/
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template: function(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, MyComp);
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{
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elementStart(2, 'div', $e0_attrs$, [Directive, DirectiveSameInstance]);
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elementEnd();
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}
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elementEnd();
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text(5);
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}
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textBinding(5, bind(load<Directive>(3).value));
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MyComp.ngComponentDef.h(1, 0);
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Directive.ngDirectiveDef.h(3, 2);
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DirectiveSameInstance.ngDirectiveDef.h(4, 2);
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directiveRefresh(1, 0);
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directiveRefresh(3, 2);
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directiveRefresh(4, 2);
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}
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});
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}
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const app = renderComponent(MyApp);
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expect(toHtml(app))
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.toEqual('<my-comp><div dir="" dirsameinstance=""></div></my-comp>ViewRef');
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expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
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expect(dir !.cdr).toBe(app !.cdr);
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expect(dir !.cdr).toBe(dirSameInstance !.cdr);
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});
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it('should inject host component ChangeDetectorRef into directives in embedded views', () => {
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class MyApp {
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showing = true;
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constructor(public cdr: ChangeDetectorRef) {}
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static ngComponentDef = defineComponent({
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type: MyApp,
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tag: 'my-app',
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factory: () => new MyApp(injectChangeDetectorRef()),
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/**
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* % if (showing) {
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* <div dir dirSameInstance #dir="dir"> {{ dir.value }} </div>
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* % }
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*/
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template: function(ctx: MyApp, cm: boolean) {
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if (cm) {
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container(0);
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}
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containerRefreshStart(0);
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{
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if (ctx.showing) {
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if (embeddedViewStart(0)) {
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elementStart(0, 'div', $e0_attrs$, [Directive, DirectiveSameInstance]);
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{ text(3); }
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elementEnd();
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}
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textBinding(3, bind(load<Directive>(1).value));
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Directive.ngDirectiveDef.h(1, 0);
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DirectiveSameInstance.ngDirectiveDef.h(2, 0);
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directiveRefresh(1, 0);
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directiveRefresh(2, 0);
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}
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embeddedViewEnd();
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}
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containerRefreshEnd();
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}
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});
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}
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const app = renderComponent(MyApp);
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expect(toHtml(app)).toEqual('<div dir="" dirsameinstance="">ViewRef</div>');
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expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
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expect(dir !.cdr).toBe(app.cdr);
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expect(dir !.cdr).toBe(dirSameInstance !.cdr);
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});
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it('should inject host component ChangeDetectorRef into directives on containers', () => {
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class IfDirective {
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/* @Input */
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myIf = true;
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constructor(public template: TemplateRef<any>, public vcr: ViewContainerRef) {}
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ngOnChanges() {
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if (this.myIf) {
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this.vcr.createEmbeddedView(this.template);
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}
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}
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static ngDirectiveDef = defineDirective({
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type: IfDirective,
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factory: () => new IfDirective(injectTemplateRef(), injectViewContainerRef()),
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inputs: {myIf: 'myIf'},
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features: [PublicFeature, NgOnChangesFeature()]
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});
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}
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class MyApp {
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showing = true;
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constructor(public cdr: ChangeDetectorRef) {}
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static ngComponentDef = defineComponent({
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type: MyApp,
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tag: 'my-app',
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factory: () => new MyApp(injectChangeDetectorRef()),
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/** <div *myIf="showing" dir dirSameInstance #dir="dir"> {{ dir.value }} </div> */
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template: function(ctx: MyApp, cm: boolean) {
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if (cm) {
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container(0, [IfDirective], C1);
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}
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containerRefreshStart(0);
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{ directiveRefresh(1, 0); }
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containerRefreshEnd();
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function C1(ctx1: any, cm1: boolean) {
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if (cm1) {
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elementStart(0, 'div', $e0_attrs$, [Directive, DirectiveSameInstance]);
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{ text(3); }
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elementEnd();
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}
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textBinding(3, bind(load<Directive>(1).value));
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Directive.ngDirectiveDef.h(1, 0);
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DirectiveSameInstance.ngDirectiveDef.h(2, 0);
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directiveRefresh(1, 0);
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directiveRefresh(2, 0);
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}
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}
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});
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}
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const app = renderComponent(MyApp);
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expect(toHtml(app)).toEqual('<div dir="" dirsameinstance="">ViewRef</div>');
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expect((app !.cdr as ViewRef<MyApp>).context).toBe(app);
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expect(dir !.cdr).toBe(app.cdr);
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expect(dir !.cdr).toBe(dirSameInstance !.cdr);
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});
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it('should injectAttribute', () => {
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let exist: string|undefined = 'wrong';
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let nonExist: string|undefined = 'wrong';
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class MyApp {
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static ngComponentDef = defineComponent({
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type: MyApp,
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tag: 'my-app',
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factory: () => new MyApp(),
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template: function(ctx: MyApp, cm: boolean) {
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if (cm) {
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elementStart(0, 'div', ['exist', 'existValue', 'other', 'ignore']);
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exist = injectAttribute('exist');
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nonExist = injectAttribute('nonExist');
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}
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}
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});
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}
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const app = renderComponent(MyApp);
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expect(exist).toEqual('existValue');
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expect(nonExist).toEqual(undefined);
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});
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});
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describe('inject', () => {
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describe('bloom filter', () => {
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let di: LInjector;
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beforeEach(() => {
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di = {} as any;
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di.bf0 = 0;
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di.bf1 = 0;
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di.bf2 = 0;
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di.bf3 = 0;
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di.cbf0 = 0;
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di.cbf1 = 0;
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di.cbf2 = 0;
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di.cbf3 = 0;
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});
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function bloomState() { return [di.bf3, di.bf2, di.bf1, di.bf0]; }
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it('should add values', () => {
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bloomAdd(di, { __NG_ELEMENT_ID__: 0 } as any);
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expect(bloomState()).toEqual([0, 0, 0, 1]);
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bloomAdd(di, { __NG_ELEMENT_ID__: 32 + 1 } as any);
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expect(bloomState()).toEqual([0, 0, 2, 1]);
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bloomAdd(di, { __NG_ELEMENT_ID__: 64 + 2 } as any);
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expect(bloomState()).toEqual([0, 4, 2, 1]);
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bloomAdd(di, { __NG_ELEMENT_ID__: 96 + 3 } as any);
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expect(bloomState()).toEqual([8, 4, 2, 1]);
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});
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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);
|
|
|
|
expect(bloomFindPossibleInjector(di, 0)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 1)).toEqual(null);
|
|
expect(bloomFindPossibleInjector(di, 32)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 64)).toEqual(di);
|
|
expect(bloomFindPossibleInjector(di, 96)).toEqual(di);
|
|
});
|
|
});
|
|
|
|
describe('flags', () => {
|
|
it('should return defaultValue not found', () => {
|
|
class MyApp {
|
|
constructor(public value: string) {}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
tag: 'my-app',
|
|
factory: () => new MyApp(
|
|
directiveInject(String as any, InjectFlags.Default, 'DefaultValue')),
|
|
template: () => null
|
|
});
|
|
}
|
|
const myApp = renderComponent(MyApp);
|
|
expect(myApp.value).toEqual('DefaultValue');
|
|
});
|
|
});
|
|
|
|
it('should inject from parent view', () => {
|
|
class ParentDirective {
|
|
static ngDirectiveDef = defineDirective({
|
|
type: ParentDirective,
|
|
factory: () => new ParentDirective(),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
class ChildDirective {
|
|
value: string;
|
|
constructor(public parent: ParentDirective) {
|
|
this.value = (parent.constructor as any).name;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: ChildDirective,
|
|
factory: () => new ChildDirective(directiveInject(ParentDirective)),
|
|
features: [PublicFeature]
|
|
});
|
|
}
|
|
|
|
class Child2Directive {
|
|
value: boolean;
|
|
constructor(parent: ParentDirective, child: ChildDirective) {
|
|
this.value = parent === child.parent;
|
|
}
|
|
static ngDirectiveDef = defineDirective({
|
|
type: Child2Directive,
|
|
factory: () => new Child2Directive(
|
|
directiveInject(ParentDirective), directiveInject(ChildDirective))
|
|
});
|
|
}
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, 'div', null, [ParentDirective]);
|
|
{ container(2); }
|
|
elementEnd();
|
|
}
|
|
containerRefreshStart(2);
|
|
{
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, 'span', null, [ChildDirective, Child2Directive]);
|
|
{ text(3); }
|
|
elementEnd();
|
|
}
|
|
textBinding(
|
|
3, interpolation2(
|
|
'', load<ChildDirective>(1).value, '-', load<Child2Directive>(2).value, ''));
|
|
embeddedViewEnd();
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
expect(renderToHtml(Template, {})).toEqual('<div><span>ParentDirective-true</span></div>');
|
|
});
|
|
|
|
it('should inject from module Injector', () => {
|
|
|
|
});
|
|
});
|
|
|
|
describe('getOrCreateNodeInjector', () => {
|
|
it('should handle initial undefined state', () => {
|
|
const contentView =
|
|
createLView(-1, null !, createTView(), null, null, LViewFlags.CheckAlways);
|
|
const oldView = enterView(contentView, null !);
|
|
try {
|
|
const parent = createLNode(0, LNodeFlags.Element, 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 as{parent: any}).parent = undefined;
|
|
|
|
const injector = getOrCreateNodeInjector();
|
|
expect(injector).not.toBe(null);
|
|
} finally {
|
|
leaveView(oldView);
|
|
}
|
|
});
|
|
});
|
|
|
|
});
|