2450 lines
71 KiB
TypeScript
2450 lines
71 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 {SimpleChanges} from '../../src/core';
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import {ComponentTemplate, NgOnChangesFeature, defineComponent, defineDirective} from '../../src/render3/index';
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import {bind, componentRefresh, container, containerRefreshEnd, containerRefreshStart, elementEnd, elementProperty, elementStart, embeddedViewEnd, embeddedViewStart, listener, projection, projectionDef, store, text} from '../../src/render3/instructions';
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import {containerEl, renderToHtml} from './render_util';
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describe('lifecycles', () => {
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function getParentTemplate(type: any) {
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return (ctx: any, cm: boolean) => {
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if (cm) {
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elementStart(0, type);
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elementEnd();
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}
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elementProperty(0, 'val', bind(ctx.val));
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type.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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};
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}
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describe('onInit', () => {
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let events: string[];
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beforeEach(() => { events = []; });
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let Comp = createOnInitComponent('comp', (ctx: any, cm: boolean) => {
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if (cm) {
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projectionDef(0);
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elementStart(1, 'div');
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{ projection(2, 0); }
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elementEnd();
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}
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});
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let Parent = createOnInitComponent('parent', getParentTemplate(Comp));
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let ProjectedComp = createOnInitComponent('projected', (ctx: any, cm: boolean) => {
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if (cm) {
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text(0, 'content');
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}
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});
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function createOnInitComponent(name: string, template: ComponentTemplate<any>) {
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return class Component {
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val: string = '';
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ngOnInit() { events.push(`${name}${this.val}`); }
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static ngComponentDef = defineComponent({
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type: Component,
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tag: name,
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factory: () => new Component(),
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inputs: {val: 'val'}, template
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});
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};
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}
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class Directive {
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ngOnInit() { events.push('dir'); }
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static ngDirectiveDef = defineDirective({type: Directive, factory: () => new Directive()});
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}
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it('should call onInit method after inputs are set in creation mode (and not in update mode)',
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() => {
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/** <comp [val]="val"></comp> */
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, Comp);
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elementEnd();
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}
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elementProperty(0, 'val', bind(ctx.val));
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Comp.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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}
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renderToHtml(Template, {val: '1'});
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expect(events).toEqual(['comp1']);
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renderToHtml(Template, {val: '2'});
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expect(events).toEqual(['comp1']);
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});
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it('should call parent onInit before child onInit', () => {
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/**
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* <parent></parent>
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* parent temp: <comp></comp>
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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, Parent);
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elementEnd();
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}
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Parent.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['parent', 'comp']);
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});
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it('should call all parent onInits across view before calling children onInits', () => {
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/**
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* <parent [val]="1"></parent>
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* <parent [val]="2"></parent>
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*
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* parent temp: <comp [val]="val"></comp>
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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, Parent);
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elementEnd();
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elementStart(2, Parent);
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elementEnd();
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}
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elementProperty(0, 'val', 1);
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elementProperty(2, 'val', 2);
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Parent.ngComponentDef.h(1, 0);
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Parent.ngComponentDef.h(3, 2);
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componentRefresh(1, 0);
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componentRefresh(3, 2);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['parent1', 'parent2', 'comp1', 'comp2']);
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});
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it('should call onInit every time a new view is created (if block)', () => {
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/**
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* % if (condition) {
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* <comp></comp>
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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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container(0);
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}
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containerRefreshStart(0);
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{
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if (ctx.condition) {
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if (embeddedViewStart(0)) {
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elementStart(0, Comp);
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elementEnd();
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}
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Comp.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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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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renderToHtml(Template, {condition: true});
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expect(events).toEqual(['comp']);
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renderToHtml(Template, {condition: false});
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expect(events).toEqual(['comp']);
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renderToHtml(Template, {condition: true});
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expect(events).toEqual(['comp', 'comp']);
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});
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it('should call onInit in hosts before their content children', () => {
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/**
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* <comp>
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* <projected-comp></projected-comp>
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* </comp>
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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, Comp);
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{ elementStart(2, ProjectedComp); }
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elementEnd();
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}
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Comp.ngComponentDef.h(1, 0);
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ProjectedComp.ngComponentDef.h(3, 2);
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componentRefresh(1, 0);
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componentRefresh(3, 2);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['comp', 'projected']);
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});
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it('should call onInit in host and its content children before next host', () => {
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/**
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* <comp [val]="1">
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* <projected-comp [val]="1"></projected-comp>
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* </comp>
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* <comp [val]="2">
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* <projected-comp [val]="1"></projected-comp>
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* </comp>
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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, Comp);
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{ elementStart(2, ProjectedComp); }
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elementEnd();
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elementStart(4, Comp);
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{ elementStart(6, ProjectedComp); }
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elementEnd();
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}
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elementProperty(0, 'val', 1);
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elementProperty(2, 'val', 1);
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elementProperty(4, 'val', 2);
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elementProperty(6, 'val', 2);
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Comp.ngComponentDef.h(1, 0);
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ProjectedComp.ngComponentDef.h(3, 2);
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Comp.ngComponentDef.h(5, 4);
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ProjectedComp.ngComponentDef.h(7, 6);
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componentRefresh(1, 0);
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componentRefresh(3, 2);
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componentRefresh(5, 4);
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componentRefresh(7, 6);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['comp1', 'projected1', 'comp2', 'projected2']);
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});
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it('should be called on directives after component', () => {
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/** <comp directive></comp> */
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, Comp, null, [Directive]);
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elementEnd();
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}
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Comp.ngComponentDef.h(1, 0);
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Directive.ngDirectiveDef.h(2, 0);
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componentRefresh(1, 0);
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componentRefresh(2, 0);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['comp', 'dir']);
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renderToHtml(Template, {});
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expect(events).toEqual(['comp', 'dir']);
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});
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it('should be called on directives on an element', () => {
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/** <div directive></div> */
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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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elementEnd();
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}
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Directive.ngDirectiveDef.h(1, 0);
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componentRefresh(1, 0);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['dir']);
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renderToHtml(Template, {});
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expect(events).toEqual(['dir']);
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});
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it('should call onInit properly in for loop', () => {
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/**
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* <comp [val]="1"></comp>
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* % for (let j = 2; j < 5; j++) {
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* <comp [val]="j"></comp>
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* % }
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* <comp [val]="5"></comp>
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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, Comp);
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elementEnd();
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container(2);
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elementStart(3, Comp);
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elementEnd();
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}
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elementProperty(0, 'val', 1);
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elementProperty(3, 'val', 5);
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Comp.ngComponentDef.h(1, 0);
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Comp.ngComponentDef.h(4, 3);
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containerRefreshStart(2);
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{
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for (let j = 2; j < 5; j++) {
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if (embeddedViewStart(0)) {
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elementStart(0, Comp);
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elementEnd();
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}
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elementProperty(0, 'val', j);
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Comp.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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componentRefresh(1, 0);
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componentRefresh(4, 3);
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}
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renderToHtml(Template, {});
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// onInit is called top to bottom, so top level comps (1 and 5) are called
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// before the comps inside the for loop's embedded view (2, 3, and 4)
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expect(events).toEqual(['comp1', 'comp5', 'comp2', 'comp3', 'comp4']);
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});
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it('should call onInit properly in for loop with children', () => {
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/**
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* <parent [val]="1"></parent>
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* % for (let j = 2; j < 5; j++) {
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* <parent [val]="j"></parent>
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* % }
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* <parent [val]="5"></parent>
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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, Parent);
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elementEnd();
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container(2);
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elementStart(3, Parent);
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elementEnd();
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}
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elementProperty(0, 'val', 1);
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elementProperty(3, 'val', 5);
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Parent.ngComponentDef.h(1, 0);
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Parent.ngComponentDef.h(4, 3);
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containerRefreshStart(2);
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{
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for (let j = 2; j < 5; j++) {
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if (embeddedViewStart(0)) {
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elementStart(0, Parent);
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elementEnd();
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}
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elementProperty(0, 'val', j);
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Parent.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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componentRefresh(1, 0);
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componentRefresh(4, 3);
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}
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renderToHtml(Template, {});
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// onInit is called top to bottom, so top level comps (1 and 5) are called
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// before the comps inside the for loop's embedded view (2, 3, and 4)
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expect(events).toEqual([
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'parent1', 'parent5', 'parent2', 'comp2', 'parent3', 'comp3', 'parent4', 'comp4', 'comp1',
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'comp5'
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]);
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});
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});
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describe('doCheck', () => {
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let events: string[];
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let allEvents: string[];
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beforeEach(() => {
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events = [];
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allEvents = [];
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});
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let Comp = createDoCheckComponent('comp', (ctx: any, cm: boolean) => {});
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let Parent = createDoCheckComponent('parent', getParentTemplate(Comp));
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function createDoCheckComponent(name: string, template: ComponentTemplate<any>) {
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return class Component {
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ngDoCheck() {
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events.push(name);
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allEvents.push('check ' + name);
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}
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ngOnInit() { allEvents.push('init ' + name); }
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static ngComponentDef =
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defineComponent({type: Component, tag: name, factory: () => new Component(), template});
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};
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}
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class Directive {
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ngDoCheck() { events.push('dir'); }
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static ngDirectiveDef = defineDirective({type: Directive, factory: () => new Directive()});
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}
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it('should call doCheck on every refresh', () => {
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/** <comp></comp> */
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, Comp);
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elementEnd();
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}
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Comp.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['comp']);
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renderToHtml(Template, {});
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expect(events).toEqual(['comp', 'comp']);
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});
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it('should call parent doCheck before child doCheck', () => {
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/**
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* <parent></parent>
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* parent temp: <comp></comp>
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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, Parent);
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elementEnd();
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}
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Parent.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['parent', 'comp']);
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});
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it('should call ngOnInit before ngDoCheck if creation mode', () => {
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/** <comp></comp> */
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, Comp);
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elementEnd();
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}
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Comp.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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}
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renderToHtml(Template, {});
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expect(allEvents).toEqual(['init comp', 'check comp']);
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renderToHtml(Template, {});
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expect(allEvents).toEqual(['init comp', 'check comp', 'check comp']);
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});
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it('should be called on directives after component', () => {
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/** <comp directive></comp> */
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, Comp, null, [Directive]);
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elementEnd();
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}
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Comp.ngComponentDef.h(1, 0);
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Directive.ngDirectiveDef.h(2, 0);
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componentRefresh(1, 0);
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componentRefresh(2, 0);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['comp', 'dir']);
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renderToHtml(Template, {});
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expect(events).toEqual(['comp', 'dir', 'comp', 'dir']);
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});
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it('should be called on directives on an element', () => {
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/** <div directive></div> */
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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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elementEnd();
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}
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Directive.ngDirectiveDef.h(1, 0);
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componentRefresh(1, 0);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['dir']);
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renderToHtml(Template, {});
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expect(events).toEqual(['dir', 'dir']);
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});
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});
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describe('afterContentInit', () => {
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let events: string[];
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let allEvents: string[];
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beforeEach(() => {
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events = [];
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allEvents = [];
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});
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let Comp = createAfterContentInitComp('comp', function(ctx: any, 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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let Parent = createAfterContentInitComp('parent', function(ctx: any, cm: boolean) {
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if (cm) {
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projectionDef(0);
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elementStart(1, Comp);
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{ projection(3, 0); }
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elementEnd();
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}
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elementProperty(1, 'val', bind(ctx.val));
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Comp.ngComponentDef.h(2, 1);
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componentRefresh(2, 1);
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});
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let ProjectedComp = createAfterContentInitComp('projected', (ctx: any, 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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function createAfterContentInitComp(name: string, template: ComponentTemplate<any>) {
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return class Component {
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val: string = '';
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ngAfterContentInit() {
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events.push(`${name}${this.val}`);
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allEvents.push(`${name}${this.val} init`);
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}
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ngAfterContentChecked() { allEvents.push(`${name}${this.val} check`); }
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static ngComponentDef = defineComponent({
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type: Component,
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tag: name,
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factory: () => new Component(),
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inputs: {val: 'val'},
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template: template,
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});
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};
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}
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it('should be called only in creation mode', () => {
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/** <comp>content</comp> */
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function Template(ctx: any, cm: boolean) {
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if (cm) {
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elementStart(0, Comp);
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{ text(2, 'content'); }
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elementEnd();
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}
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Comp.ngComponentDef.h(1, 0);
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componentRefresh(1, 0);
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}
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renderToHtml(Template, {});
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expect(events).toEqual(['comp']);
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renderToHtml(Template, {});
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expect(events).toEqual(['comp']);
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});
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|
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it('should be called on every init (if blocks)', () => {
|
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/**
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* % if (condition) {
|
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* <comp>content</comp>
|
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* % }
|
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*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
{ text(2, 'content'); }
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
expect(events).toEqual(['comp']);
|
|
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp']);
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
expect(events).toEqual(['comp', 'comp']);
|
|
});
|
|
|
|
it('should be called in parents before children', () => {
|
|
/**
|
|
* <parent>content</parent>
|
|
*
|
|
* parent template: <comp><ng-content></ng-content></comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
{ text(2, 'content'); }
|
|
elementEnd();
|
|
}
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['parent', 'comp']);
|
|
});
|
|
|
|
it('should be called breadth-first in entire parent subtree before any children', () => {
|
|
/**
|
|
* <parent [val]="1">content</parent>
|
|
* <parent [val]="2">content</parent>
|
|
*
|
|
* parent template: <comp [val]="val"><ng-content></ng-content></comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
{ text(2, 'content'); }
|
|
elementEnd();
|
|
elementStart(3, Parent);
|
|
{ text(5, 'content'); }
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(3, 'val', 2);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
Parent.ngComponentDef.h(4, 3);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(4, 3);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['parent1', 'parent2', 'comp1', 'comp2']);
|
|
});
|
|
|
|
it('should be called in projected components before their hosts', () => {
|
|
/**
|
|
* <parent>
|
|
* <projected-comp>content</projected-comp>
|
|
* </parent>
|
|
*
|
|
* parent template:
|
|
* <comp><ng-content></ng-content></comp>
|
|
*
|
|
* projected comp: <ng-content></ng-content>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
{
|
|
elementStart(2, ProjectedComp);
|
|
{ text(4, 'content'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
Parent.ngComponentDef.h(1, 0);
|
|
ProjectedComp.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['projected', 'parent', 'comp']);
|
|
});
|
|
|
|
it('should be called in projected components and hosts before children', () => {
|
|
/**
|
|
* <parent [val]="1">
|
|
* <projected-comp [val]="1">content</projected-comp>
|
|
* </parent>
|
|
* * <parent [val]="2">
|
|
* <projected-comp [val]="2">content</projected-comp>
|
|
* </parent>
|
|
*
|
|
* parent template:
|
|
* <comp [val]="val"><ng-content></ng-content></comp>
|
|
*
|
|
* projected comp: <ng-content></ng-content>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
{
|
|
elementStart(2, ProjectedComp);
|
|
{ text(4, 'content'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
elementStart(5, Parent);
|
|
{
|
|
elementStart(7, ProjectedComp);
|
|
{ text(9, 'content'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(2, 'val', 1);
|
|
elementProperty(5, 'val', 2);
|
|
elementProperty(7, 'val', 2);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
ProjectedComp.ngComponentDef.h(3, 2);
|
|
Parent.ngComponentDef.h(6, 5);
|
|
ProjectedComp.ngComponentDef.h(8, 7);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
componentRefresh(6, 5);
|
|
componentRefresh(8, 7);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['projected1', 'parent1', 'projected2', 'parent2', 'comp1', 'comp2']);
|
|
});
|
|
|
|
it('should be called in correct order in a for loop', () => {
|
|
/**
|
|
* <comp [val]="1">content</comp>
|
|
* % for(let i = 2; i < 4; i++) {
|
|
* <comp [val]="i">content</comp>
|
|
* % }
|
|
* <comp [val]="4">content</comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
{ text(2, 'content'); }
|
|
elementEnd();
|
|
container(3);
|
|
elementStart(4, Comp);
|
|
{ text(6, 'content'); }
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(4, 'val', 4);
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Comp.ngComponentDef.h(5, 4);
|
|
containerRefreshStart(3);
|
|
{
|
|
for (let i = 2; i < 4; i++) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
{ text(2, 'content'); }
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', i);
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(5, 4);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['comp2', 'comp3', 'comp1', 'comp4']);
|
|
});
|
|
|
|
function ForLoopWithChildrenTemplate(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
{ text(2, 'content'); }
|
|
elementEnd();
|
|
container(3);
|
|
elementStart(4, Parent);
|
|
{ text(6, 'content'); }
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(4, 'val', 4);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
Parent.ngComponentDef.h(5, 4);
|
|
containerRefreshStart(3);
|
|
{
|
|
for (let i = 2; i < 4; i++) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Parent);
|
|
{ text(2, 'content'); }
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', i);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(5, 4);
|
|
}
|
|
|
|
it('should be called in correct order in a for loop with children', () => {
|
|
/**
|
|
* <parent [val]="1">content</parent>
|
|
* % for(let i = 2; i < 4; i++) {
|
|
* <parent [val]="i">content</parent>
|
|
* % }
|
|
* <parent [val]="4">content</parent>
|
|
*/
|
|
|
|
renderToHtml(ForLoopWithChildrenTemplate, {});
|
|
expect(events).toEqual(
|
|
['parent2', 'comp2', 'parent3', 'comp3', 'parent1', 'parent4', 'comp1', 'comp4']);
|
|
});
|
|
|
|
describe('ngAfterContentChecked', () => {
|
|
|
|
it('should be called every change detection run after afterContentInit', () => {
|
|
/** <comp>content</comp> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
{ text(2, 'content'); }
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(allEvents).toEqual(['comp init', 'comp check']);
|
|
|
|
renderToHtml(Template, {});
|
|
expect(allEvents).toEqual(['comp init', 'comp check', 'comp check']);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
describe('directives', () => {
|
|
class Directive {
|
|
ngAfterContentInit() { events.push('init'); }
|
|
ngAfterContentChecked() { events.push('check'); }
|
|
|
|
static ngDirectiveDef = defineDirective({type: Directive, factory: () => new Directive()});
|
|
}
|
|
|
|
it('should be called on directives after component', () => {
|
|
/** <comp directive></comp> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp, null, [Directive]);
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Directive.ngDirectiveDef.h(2, 0);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(2, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['comp', 'init', 'check']);
|
|
});
|
|
|
|
it('should be called on directives on an element', () => {
|
|
/** <div directive></div> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, 'div', null, [Directive]);
|
|
elementEnd();
|
|
}
|
|
Directive.ngDirectiveDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['init', 'check']);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('afterViewInit', () => {
|
|
let events: string[];
|
|
let allEvents: string[];
|
|
|
|
beforeEach(() => {
|
|
events = [];
|
|
allEvents = [];
|
|
});
|
|
|
|
let Comp = createAfterViewInitComponent('comp', (ctx: any, cm: boolean) => {
|
|
if (cm) {
|
|
projectionDef(0);
|
|
elementStart(1, 'div');
|
|
{ projection(2, 0); }
|
|
elementEnd();
|
|
}
|
|
});
|
|
let Parent = createAfterViewInitComponent('parent', getParentTemplate(Comp));
|
|
|
|
let ProjectedComp = createAfterViewInitComponent('projected', (ctx: any, cm: boolean) => {
|
|
if (cm) {
|
|
text(0, 'content');
|
|
}
|
|
});
|
|
|
|
function createAfterViewInitComponent(name: string, template: ComponentTemplate<any>) {
|
|
return class Component {
|
|
val: string = '';
|
|
ngAfterViewInit() {
|
|
events.push(`${name}${this.val}`);
|
|
allEvents.push(`${name}${this.val} init`);
|
|
}
|
|
ngAfterViewChecked() { allEvents.push(`${name}${this.val} check`); }
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: Component,
|
|
tag: name,
|
|
factory: () => new Component(),
|
|
inputs: {val: 'val'},
|
|
template: template
|
|
});
|
|
};
|
|
}
|
|
|
|
it('should be called on init and not in update mode', () => {
|
|
/** <comp></comp> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['comp']);
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['comp']);
|
|
});
|
|
|
|
it('should be called every time a view is initialized (if block)', () => {
|
|
/*
|
|
* % if (condition) {
|
|
* <comp></comp>
|
|
* % }
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
expect(events).toEqual(['comp']);
|
|
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp']);
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
expect(events).toEqual(['comp', 'comp']);
|
|
|
|
});
|
|
|
|
it('should be called in children before parents', () => {
|
|
/**
|
|
* <parent></parent>
|
|
*
|
|
* parent temp: <comp></comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
}
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['comp', 'parent']);
|
|
|
|
});
|
|
|
|
it('should be called for entire subtree before being called in any parent view comps', () => {
|
|
/**
|
|
* <parent [val]="1"></parent>
|
|
* <parent [val]="2"></parent>
|
|
*
|
|
* parent temp: <comp [val]="val"></comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
elementStart(2, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(2, 'val', 2);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
Parent.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
}
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['comp1', 'comp2', 'parent1', 'parent2']);
|
|
|
|
});
|
|
|
|
it('should be called in projected components before their hosts', () => {
|
|
/**
|
|
* <comp>
|
|
* <projected-comp></projected-comp>
|
|
* </comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
{
|
|
elementStart(2, ProjectedComp);
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
ProjectedComp.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['projected', 'comp']);
|
|
});
|
|
|
|
it('should call afterViewInit in content children and host before next host', () => {
|
|
/**
|
|
* <comp [val]="1">
|
|
* <projected-comp [val]="1"></projected-comp>
|
|
* </comp>
|
|
* <comp [val]="2">
|
|
* <projected-comp [val]="2"></projected-comp>
|
|
* </comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
{
|
|
elementStart(2, ProjectedComp);
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
elementStart(4, Comp);
|
|
{
|
|
elementStart(6, ProjectedComp);
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(2, 'val', 1);
|
|
elementProperty(4, 'val', 2);
|
|
elementProperty(6, 'val', 2);
|
|
Comp.ngComponentDef.h(1, 0);
|
|
ProjectedComp.ngComponentDef.h(3, 2);
|
|
Comp.ngComponentDef.h(5, 4);
|
|
ProjectedComp.ngComponentDef.h(7, 6);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
componentRefresh(5, 4);
|
|
componentRefresh(7, 6);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['projected1', 'comp1', 'projected2', 'comp2']);
|
|
});
|
|
|
|
it('should call afterViewInit in content children and hosts before parents', () => {
|
|
/*
|
|
* <comp [val]="val">
|
|
* <projected-comp [val]="val"></projected-comp>
|
|
* </comp>
|
|
*/
|
|
const ParentComp = createAfterViewInitComponent('parent', (ctx: any, cm: boolean) => {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
{
|
|
elementStart(2, ProjectedComp);
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', bind(ctx.val));
|
|
elementProperty(2, 'val', bind(ctx.val));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
ProjectedComp.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
});
|
|
|
|
/**
|
|
* <parent [val]="1"></parent>
|
|
* <parent [val]="2"></parent>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, ParentComp);
|
|
elementEnd();
|
|
elementStart(2, ParentComp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(2, 'val', 2);
|
|
ParentComp.ngComponentDef.h(1, 0);
|
|
ParentComp.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['projected1', 'comp1', 'projected2', 'comp2', 'parent1', 'parent2']);
|
|
});
|
|
|
|
it('should be called in correct order with for loops', () => {
|
|
/**
|
|
* <comp [val]="1"></comp>
|
|
* % for (let i = 0; i < 4; i++) {
|
|
* <comp [val]="i"></comp>
|
|
* % }
|
|
* <comp [val]="4"></comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
container(2);
|
|
elementStart(3, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(3, 'val', 4);
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Comp.ngComponentDef.h(4, 3);
|
|
containerRefreshStart(2);
|
|
{
|
|
for (let i = 2; i < 4; i++) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', i);
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(4, 3);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['comp2', 'comp3', 'comp1', 'comp4']);
|
|
|
|
});
|
|
|
|
it('should be called in correct order with for loops with children', () => {
|
|
/**
|
|
* <parent [val]="1"></parent>
|
|
* % for(let i = 0; i < 4; i++) {
|
|
* <parent [val]="i"></parent>
|
|
* % }
|
|
* <parent [val]="4"></parent>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
container(2);
|
|
elementStart(3, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(3, 'val', 4);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
Parent.ngComponentDef.h(4, 3);
|
|
containerRefreshStart(2);
|
|
{
|
|
for (let i = 2; i < 4; i++) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', i);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(4, 3);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(
|
|
['comp2', 'parent2', 'comp3', 'parent3', 'comp1', 'comp4', 'parent1', 'parent4']);
|
|
|
|
});
|
|
|
|
describe('ngAfterViewChecked', () => {
|
|
|
|
it('should call ngAfterViewChecked every update', () => {
|
|
/** <comp></comp> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(allEvents).toEqual(['comp init', 'comp check']);
|
|
|
|
renderToHtml(Template, {});
|
|
expect(allEvents).toEqual(['comp init', 'comp check', 'comp check']);
|
|
});
|
|
|
|
it('should call ngAfterViewChecked with bindings', () => {
|
|
/** <comp [val]="myVal"></comp> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', bind(ctx.myVal));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {myVal: 5});
|
|
expect(allEvents).toEqual(['comp5 init', 'comp5 check']);
|
|
|
|
renderToHtml(Template, {myVal: 6});
|
|
expect(allEvents).toEqual(['comp5 init', 'comp5 check', 'comp6 check']);
|
|
});
|
|
|
|
it('should be called in correct order with for loops with children', () => {
|
|
/**
|
|
* <parent [val]="1"></parent>
|
|
* % for(let i = 0; i < 4; i++) {
|
|
* <parent [val]="i"></parent>
|
|
* % }
|
|
* <parent [val]="4"></parent>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
container(2);
|
|
elementStart(3, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(3, 'val', 4);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
Parent.ngComponentDef.h(4, 3);
|
|
containerRefreshStart(2);
|
|
{
|
|
for (let i = 2; i < 4; i++) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', i);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(4, 3);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(allEvents).toEqual([
|
|
'comp2 init', 'comp2 check', 'parent2 init', 'parent2 check', 'comp3 init', 'comp3 check',
|
|
'parent3 init', 'parent3 check', 'comp1 init', 'comp1 check', 'comp4 init', 'comp4 check',
|
|
'parent1 init', 'parent1 check', 'parent4 init', 'parent4 check'
|
|
]);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
describe('directives', () => {
|
|
class Directive {
|
|
ngAfterViewInit() { events.push('init'); }
|
|
ngAfterViewChecked() { events.push('check'); }
|
|
|
|
static ngDirectiveDef = defineDirective({type: Directive, factory: () => new Directive()});
|
|
}
|
|
|
|
it('should be called on directives after component', () => {
|
|
/** <comp directive></comp> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp, null, [Directive]);
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Directive.ngDirectiveDef.h(2, 0);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(2, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['comp', 'init', 'check']);
|
|
});
|
|
|
|
it('should be called on directives on an element', () => {
|
|
/** <div directive></div> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, 'div', null, [Directive]);
|
|
elementEnd();
|
|
}
|
|
Directive.ngDirectiveDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['init', 'check']);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('onDestroy', () => {
|
|
let events: string[];
|
|
|
|
beforeEach(() => { events = []; });
|
|
|
|
let Comp = createOnDestroyComponent('comp', (ctx: any, cm: boolean) => {
|
|
if (cm) {
|
|
projectionDef(0);
|
|
projection(1, 0);
|
|
}
|
|
});
|
|
let Parent = createOnDestroyComponent('parent', getParentTemplate(Comp));
|
|
|
|
function createOnDestroyComponent(name: string, template: ComponentTemplate<any>) {
|
|
return class Component {
|
|
val: string = '';
|
|
ngOnDestroy() { events.push(`${name}${this.val}`); }
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: Component,
|
|
tag: name,
|
|
factory: () => new Component(),
|
|
inputs: {val: 'val'},
|
|
template: template
|
|
});
|
|
};
|
|
}
|
|
|
|
class Directive {
|
|
ngOnDestroy() { events.push('dir'); }
|
|
|
|
static ngDirectiveDef = defineDirective({type: Directive, factory: () => new Directive()});
|
|
}
|
|
|
|
it('should call destroy when view is removed', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <comp></comp>
|
|
* % }
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp']);
|
|
});
|
|
|
|
it('should call destroy when multiple views are removed', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <comp [val]="1"></comp>
|
|
* <comp [val]="2"></comp>
|
|
* % }
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
elementStart(2, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', bind('1'));
|
|
elementProperty(2, 'val', bind('2'));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Comp.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp1', 'comp2']);
|
|
});
|
|
|
|
it('should be called in child components before parent components', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <parent></parent>
|
|
* % }
|
|
*
|
|
* parent template: <comp></comp>
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
}
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp', 'parent']);
|
|
});
|
|
|
|
it('should be called bottom up with children nested 2 levels deep', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <grandparent></grandparent>
|
|
* % }
|
|
*
|
|
* grandparent template: <parent></parent>
|
|
* parent template: <comp></comp>
|
|
*/
|
|
|
|
let Grandparent = createOnDestroyComponent('grandparent', function(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
}
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
});
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Grandparent);
|
|
elementEnd();
|
|
}
|
|
Grandparent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp', 'parent', 'grandparent']);
|
|
});
|
|
|
|
it('should be called in projected components before their hosts', () => {
|
|
const ProjectedComp = createOnDestroyComponent('projected', (ctx: any, cm: boolean) => {});
|
|
|
|
/**
|
|
* % if (showing) {
|
|
* <comp [val]="1">
|
|
* <projected-comp [val]="1"></projected-comp>
|
|
* </comp>
|
|
* <comp [val]="2">
|
|
* <projected-comp [val]="2"></projected-comp>
|
|
* </comp>
|
|
* }
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.showing) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
{
|
|
elementStart(2, ProjectedComp);
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
elementStart(4, Comp);
|
|
{
|
|
elementStart(6, ProjectedComp);
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(2, 'val', 1);
|
|
elementProperty(4, 'val', 2);
|
|
elementProperty(6, 'val', 2);
|
|
Comp.ngComponentDef.h(1, 0);
|
|
ProjectedComp.ngComponentDef.h(3, 2);
|
|
Comp.ngComponentDef.h(5, 4);
|
|
ProjectedComp.ngComponentDef.h(7, 6);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
componentRefresh(5, 4);
|
|
componentRefresh(7, 6);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {showing: true});
|
|
renderToHtml(Template, {showing: false});
|
|
|
|
expect(events).toEqual(['projected1', 'comp1', 'projected2', 'comp2']);
|
|
});
|
|
|
|
|
|
it('should be called in consistent order if views are removed and re-added', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <comp [val]="1"></comp>
|
|
* % if (condition2) {
|
|
* <comp [val]="2"></comp>
|
|
* % }
|
|
* <comp [val]="3"></comp>
|
|
* % }
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
container(2);
|
|
elementStart(3, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', bind('1'));
|
|
elementProperty(3, 'val', bind('3'));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Comp.ngComponentDef.h(4, 3);
|
|
containerRefreshStart(2);
|
|
{
|
|
if (ctx.condition2) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', bind('2'));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(4, 3);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true, condition2: true});
|
|
renderToHtml(Template, {condition: false});
|
|
|
|
/**
|
|
* Current angular will process in this same order (root is the top-level removed view):
|
|
*
|
|
* root.child (comp1 view) onDestroy: null
|
|
* root.child.next (container) -> embeddedView
|
|
* embeddedView.child (comp2 view) onDestroy: null
|
|
* embeddedView onDestroy: [comp2]
|
|
* root.child.next.next (comp3 view) onDestroy: null
|
|
* root onDestroy: [comp1, comp3]
|
|
*/
|
|
expect(events).toEqual(['comp2', 'comp1', 'comp3']);
|
|
|
|
events = [];
|
|
renderToHtml(Template, {condition: true, condition2: false});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp1', 'comp3']);
|
|
|
|
events = [];
|
|
renderToHtml(Template, {condition: true, condition2: true});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp2', 'comp1', 'comp3']);
|
|
});
|
|
|
|
it('should be called in every iteration of a destroyed for loop', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <comp [val]="1"></comp>
|
|
* % for (let i = 2; i < len; i++) {
|
|
* <comp [val]="i"></comp>
|
|
* % }
|
|
* <comp [val]="5"></comp>
|
|
* % }
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
container(2);
|
|
elementStart(3, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', bind('1'));
|
|
elementProperty(3, 'val', bind('5'));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Comp.ngComponentDef.h(4, 3);
|
|
containerRefreshStart(2);
|
|
{
|
|
for (let j = 2; j < ctx.len; j++) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', bind(j));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(4, 3);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
/**
|
|
* Current angular will process in this same order (root is the top-level removed view):
|
|
*
|
|
* root.child (comp1 view) onDestroy: null
|
|
* root.child.next (container) -> embeddedView (children[0].data)
|
|
* embeddedView.child (comp2 view) onDestroy: null
|
|
* embeddedView onDestroy: [comp2]
|
|
* embeddedView.next.child (comp3 view) onDestroy: null
|
|
* embeddedView.next onDestroy: [comp3]
|
|
* embeddedView.next.next.child (comp4 view) onDestroy: null
|
|
* embeddedView.next.next onDestroy: [comp4]
|
|
* embeddedView.next.next -> container -> root
|
|
* root onDestroy: [comp1, comp5]
|
|
*/
|
|
renderToHtml(Template, {condition: true, len: 5});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp2', 'comp3', 'comp4', 'comp1', 'comp5']);
|
|
|
|
events = [];
|
|
renderToHtml(Template, {condition: true, len: 4});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp2', 'comp3', 'comp1', 'comp5']);
|
|
|
|
events = [];
|
|
renderToHtml(Template, {condition: true, len: 5});
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp2', 'comp3', 'comp4', 'comp1', 'comp5']);
|
|
});
|
|
|
|
it('should call destroy properly if view also has listeners', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <button (click)="onClick()">Click me</button>
|
|
* <comp></comp>
|
|
* <button (click)="onClick()">Click me</button>
|
|
* % }
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, 'button');
|
|
{
|
|
listener('click', ctx.onClick.bind(ctx));
|
|
text(1, 'Click me');
|
|
}
|
|
elementEnd();
|
|
elementStart(2, Comp);
|
|
elementEnd();
|
|
elementStart(4, 'button');
|
|
{
|
|
listener('click', ctx.onClick.bind(ctx));
|
|
text(5, 'Click me');
|
|
}
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(3, 2);
|
|
componentRefresh(3, 2);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
class App {
|
|
counter = 0;
|
|
condition = true;
|
|
onClick() { this.counter++; }
|
|
}
|
|
|
|
const ctx: {counter: number} = new App();
|
|
renderToHtml(Template, ctx);
|
|
|
|
const buttons = containerEl.querySelectorAll('button') !;
|
|
buttons[0].click();
|
|
expect(ctx.counter).toEqual(1);
|
|
buttons[1].click();
|
|
expect(ctx.counter).toEqual(2);
|
|
|
|
renderToHtml(Template, {condition: false});
|
|
|
|
buttons[0].click();
|
|
buttons[1].click();
|
|
expect(events).toEqual(['comp']);
|
|
expect(ctx.counter).toEqual(2);
|
|
});
|
|
|
|
it('should be called on directives after component', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <comp></comp>
|
|
* % }
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp, null, [Directive]);
|
|
elementEnd();
|
|
}
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Directive.ngDirectiveDef.h(2, 0);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(2, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
expect(events).toEqual([]);
|
|
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp', 'dir']);
|
|
|
|
});
|
|
|
|
it('should be called on directives on an element', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <div directive></div>
|
|
* % }
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, 'div', null, [Directive]);
|
|
elementEnd();
|
|
}
|
|
Directive.ngDirectiveDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
expect(events).toEqual([]);
|
|
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['dir']);
|
|
});
|
|
|
|
});
|
|
|
|
describe('onChanges', () => {
|
|
let events: string[];
|
|
|
|
beforeEach(() => { events = []; });
|
|
|
|
const Comp = createOnChangesComponent('comp', (ctx: any, cm: boolean) => {
|
|
if (cm) {
|
|
projectionDef(0);
|
|
elementStart(1, 'div');
|
|
{ projection(2, 0); }
|
|
elementEnd();
|
|
}
|
|
});
|
|
const Parent = createOnChangesComponent('parent', (ctx: any, cm: boolean) => {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(ctx.a));
|
|
elementProperty(0, 'publicName', bind(ctx.b));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
});
|
|
const ProjectedComp = createOnChangesComponent('projected', (ctx: any, cm: boolean) => {
|
|
if (cm) {
|
|
text(0, 'content');
|
|
}
|
|
});
|
|
|
|
|
|
function createOnChangesComponent(name: string, template: ComponentTemplate<any>) {
|
|
return class Component {
|
|
// @Input() val1: string;
|
|
// @Input('publicName') val2: string;
|
|
a: string = 'wasVal1BeforeMinification';
|
|
b: string = 'wasVal2BeforeMinification';
|
|
ngOnChanges(simpleChanges: SimpleChanges) {
|
|
events.push(
|
|
`comp=${name} val1=${this.a} val2=${this.b} - changed=[${Object.getOwnPropertyNames(simpleChanges).join(',')}]`);
|
|
}
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: Component,
|
|
tag: name,
|
|
factory: () => new Component(),
|
|
features: [NgOnChangesFeature],
|
|
inputs: {a: 'val1', b: 'publicName'},
|
|
inputsPropertyName: {b: 'val2'}, template
|
|
});
|
|
};
|
|
}
|
|
|
|
class Directive {
|
|
// @Input() val1: string;
|
|
// @Input('publicName') val2: string;
|
|
a: string = 'wasVal1BeforeMinification';
|
|
b: string = 'wasVal2BeforeMinification';
|
|
ngOnChanges(simpleChanges: SimpleChanges) {
|
|
events.push(
|
|
`dir - val1=${this.a} val2=${this.b} - changed=[${Object.getOwnPropertyNames(simpleChanges).join(',')}]`);
|
|
}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: Directive,
|
|
factory: () => new Directive(),
|
|
features: [NgOnChangesFeature],
|
|
inputs: {a: 'val1', b: 'publicName'},
|
|
inputsPropertyName: {b: 'val2'}
|
|
});
|
|
}
|
|
|
|
it('should call onChanges method after inputs are set in creation and update mode', () => {
|
|
/** <comp [val1]="val1" [publicName]="val2"></comp> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(ctx.val1));
|
|
elementProperty(0, 'publicName', bind(ctx.val2));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {val1: '1', val2: 'a'});
|
|
expect(events).toEqual(['comp=comp val1=1 val2=a - changed=[val1,val2]']);
|
|
|
|
renderToHtml(Template, {val1: '2', val2: 'b'});
|
|
expect(events).toEqual([
|
|
'comp=comp val1=1 val2=a - changed=[val1,val2]',
|
|
'comp=comp val1=2 val2=b - changed=[val1,val2]'
|
|
]);
|
|
});
|
|
|
|
it('should call parent onChanges before child onChanges', () => {
|
|
/**
|
|
* <parent></parent>
|
|
* parent temp: <comp></comp>
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(ctx.val1));
|
|
elementProperty(0, 'publicName', bind(ctx.val2));
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {val1: '1', val2: 'a'});
|
|
expect(events).toEqual([
|
|
'comp=parent val1=1 val2=a - changed=[val1,val2]',
|
|
'comp=comp val1=1 val2=a - changed=[val1,val2]'
|
|
]);
|
|
});
|
|
|
|
it('should call all parent onChanges across view before calling children onChanges', () => {
|
|
/**
|
|
* <parent [val]="1"></parent>
|
|
* <parent [val]="2"></parent>
|
|
*
|
|
* parent temp: <comp [val]="val"></comp>
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
elementStart(2, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(1));
|
|
elementProperty(0, 'publicName', bind(1));
|
|
elementProperty(2, 'val1', bind(2));
|
|
elementProperty(2, 'publicName', bind(2));
|
|
Parent.ngComponentDef.h(1, 0);
|
|
Parent.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'comp=parent val1=1 val2=1 - changed=[val1,val2]',
|
|
'comp=parent val1=2 val2=2 - changed=[val1,val2]',
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]',
|
|
'comp=comp val1=2 val2=2 - changed=[val1,val2]'
|
|
]);
|
|
});
|
|
|
|
|
|
it('should call onChanges every time a new view is created (if block)', () => {
|
|
/**
|
|
* % if (condition) {
|
|
* <comp></comp>
|
|
* % }
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
container(0);
|
|
}
|
|
containerRefreshStart(0);
|
|
{
|
|
if (ctx.condition) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(1));
|
|
elementProperty(0, 'publicName', bind(1));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
expect(events).toEqual(['comp=comp val1=1 val2=1 - changed=[val1,val2]']);
|
|
|
|
renderToHtml(Template, {condition: false});
|
|
expect(events).toEqual(['comp=comp val1=1 val2=1 - changed=[val1,val2]']);
|
|
|
|
renderToHtml(Template, {condition: true});
|
|
expect(events).toEqual([
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]',
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]'
|
|
]);
|
|
});
|
|
|
|
it('should call onChanges in hosts before their content children', () => {
|
|
/**
|
|
* <comp>
|
|
* <projected-comp></projected-comp>
|
|
* </comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
{ elementStart(2, ProjectedComp); }
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(1));
|
|
elementProperty(0, 'publicName', bind(1));
|
|
elementProperty(2, 'val1', bind(2));
|
|
elementProperty(2, 'publicName', bind(2));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
ProjectedComp.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]',
|
|
'comp=projected val1=2 val2=2 - changed=[val1,val2]'
|
|
]);
|
|
});
|
|
|
|
it('should call onChanges in host and its content children before next host', () => {
|
|
/**
|
|
* <comp [val]="1">
|
|
* <projected-comp [val]="1"></projected-comp>
|
|
* </comp>
|
|
* <comp [val]="2">
|
|
* <projected-comp [val]="1"></projected-comp>
|
|
* </comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
{ elementStart(2, ProjectedComp); }
|
|
elementEnd();
|
|
elementStart(4, Comp);
|
|
{ elementStart(6, ProjectedComp); }
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(1));
|
|
elementProperty(0, 'publicName', bind(1));
|
|
elementProperty(2, 'val1', bind(2));
|
|
elementProperty(2, 'publicName', bind(2));
|
|
elementProperty(4, 'val1', bind(3));
|
|
elementProperty(4, 'publicName', bind(3));
|
|
elementProperty(6, 'val1', bind(4));
|
|
elementProperty(6, 'publicName', bind(4));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
ProjectedComp.ngComponentDef.h(3, 2);
|
|
Comp.ngComponentDef.h(5, 4);
|
|
ProjectedComp.ngComponentDef.h(7, 6);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
componentRefresh(5, 4);
|
|
componentRefresh(7, 6);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]',
|
|
'comp=projected val1=2 val2=2 - changed=[val1,val2]',
|
|
'comp=comp val1=3 val2=3 - changed=[val1,val2]',
|
|
'comp=projected val1=4 val2=4 - changed=[val1,val2]'
|
|
]);
|
|
});
|
|
|
|
it('should be called on directives after component', () => {
|
|
/** <comp directive></comp> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp, null, [Directive]);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(1));
|
|
elementProperty(0, 'publicName', bind(1));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]', 'dir - val1=1 val2=1 - changed=[val1,val2]'
|
|
]);
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]', 'dir - val1=1 val2=1 - changed=[val1,val2]'
|
|
]);
|
|
|
|
});
|
|
|
|
it('should be called on directives on an element', () => {
|
|
/** <div directive></div> */
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, 'div', null, [Directive]);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(1));
|
|
elementProperty(0, 'publicName', bind(1));
|
|
Directive.ngDirectiveDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['dir - val1=1 val2=1 - changed=[val1,val2]']);
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual(['dir - val1=1 val2=1 - changed=[val1,val2]']);
|
|
});
|
|
|
|
it('should call onChanges properly in for loop', () => {
|
|
/**
|
|
* <comp [val]="1"></comp>
|
|
* % for (let j = 2; j < 5; j++) {
|
|
* <comp [val]="j"></comp>
|
|
* % }
|
|
* <comp [val]="5"></comp>
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
container(2);
|
|
elementStart(3, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(1));
|
|
elementProperty(0, 'publicName', bind(1));
|
|
elementProperty(3, 'val1', bind(5));
|
|
elementProperty(3, 'publicName', bind(5));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Comp.ngComponentDef.h(4, 3);
|
|
containerRefreshStart(2);
|
|
{
|
|
for (let j = 2; j < 5; j++) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(j));
|
|
elementProperty(0, 'publicName', bind(j));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(4, 3);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
|
|
// onChanges is called top to bottom, so top level comps (1 and 5) are called
|
|
// before the comps inside the for loop's embedded view (2, 3, and 4)
|
|
expect(events).toEqual([
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]',
|
|
'comp=comp val1=5 val2=5 - changed=[val1,val2]',
|
|
'comp=comp val1=2 val2=2 - changed=[val1,val2]',
|
|
'comp=comp val1=3 val2=3 - changed=[val1,val2]',
|
|
'comp=comp val1=4 val2=4 - changed=[val1,val2]'
|
|
]);
|
|
});
|
|
|
|
it('should call onChanges properly in for loop with children', () => {
|
|
/**
|
|
* <parent [val]="1"></parent>
|
|
* % for (let j = 2; j < 5; j++) {
|
|
* <parent [val]="j"></parent>
|
|
* % }
|
|
* <parent [val]="5"></parent>
|
|
*/
|
|
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
container(2);
|
|
elementStart(3, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(1));
|
|
elementProperty(0, 'publicName', bind(1));
|
|
elementProperty(3, 'val1', bind(5));
|
|
elementProperty(3, 'publicName', bind(5));
|
|
Parent.ngComponentDef.h(1, 0);
|
|
Parent.ngComponentDef.h(4, 3);
|
|
containerRefreshStart(2);
|
|
{
|
|
for (let j = 2; j < 5; j++) {
|
|
if (embeddedViewStart(0)) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val1', bind(j));
|
|
elementProperty(0, 'publicName', bind(j));
|
|
Parent.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
componentRefresh(1, 0);
|
|
componentRefresh(4, 3);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
|
|
// onChanges is called top to bottom, so top level comps (1 and 5) are called
|
|
// before the comps inside the for loop's embedded view (2, 3, and 4)
|
|
expect(events).toEqual([
|
|
'comp=parent val1=1 val2=1 - changed=[val1,val2]',
|
|
'comp=parent val1=5 val2=5 - changed=[val1,val2]',
|
|
'comp=parent val1=2 val2=2 - changed=[val1,val2]',
|
|
'comp=comp val1=2 val2=2 - changed=[val1,val2]',
|
|
'comp=parent val1=3 val2=3 - changed=[val1,val2]',
|
|
'comp=comp val1=3 val2=3 - changed=[val1,val2]',
|
|
'comp=parent val1=4 val2=4 - changed=[val1,val2]',
|
|
'comp=comp val1=4 val2=4 - changed=[val1,val2]',
|
|
'comp=comp val1=1 val2=1 - changed=[val1,val2]',
|
|
'comp=comp val1=5 val2=5 - changed=[val1,val2]'
|
|
]);
|
|
});
|
|
|
|
});
|
|
|
|
describe('hook order', () => {
|
|
let events: string[];
|
|
|
|
beforeEach(() => { events = []; });
|
|
|
|
function createAllHooksComponent(name: string, template: ComponentTemplate<any>) {
|
|
return class Component {
|
|
val: string = '';
|
|
|
|
ngOnChanges() { events.push(`changes ${name}${this.val}`); }
|
|
|
|
ngOnInit() { events.push(`init ${name}${this.val}`); }
|
|
ngDoCheck() { events.push(`check ${name}${this.val}`); }
|
|
|
|
ngAfterContentInit() { events.push(`contentInit ${name}${this.val}`); }
|
|
ngAfterContentChecked() { events.push(`contentCheck ${name}${this.val}`); }
|
|
|
|
ngAfterViewInit() { events.push(`viewInit ${name}${this.val}`); }
|
|
ngAfterViewChecked() { events.push(`viewCheck ${name}${this.val}`); }
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: Component,
|
|
tag: name,
|
|
factory: () => new Component(),
|
|
inputs: {val: 'val'}, template,
|
|
features: [NgOnChangesFeature]
|
|
});
|
|
};
|
|
}
|
|
|
|
it('should call all hooks in correct order', () => {
|
|
const Comp = createAllHooksComponent('comp', (ctx: any, cm: boolean) => {});
|
|
|
|
|
|
/**
|
|
* <comp [val]="1"></comp>
|
|
* <comp [val]="2"></comp>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
elementStart(2, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(2, 'val', 2);
|
|
Comp.ngComponentDef.h(1, 0);
|
|
Comp.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'changes comp1', 'init comp1', 'check comp1', 'changes comp2', 'init comp2', 'check comp2',
|
|
'contentInit comp1', 'contentCheck comp1', 'contentInit comp2', 'contentCheck comp2',
|
|
'viewInit comp1', 'viewCheck comp1', 'viewInit comp2', 'viewCheck comp2'
|
|
]);
|
|
|
|
events = [];
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'changes comp1', 'check comp1', 'changes comp2', 'check comp2', 'contentCheck comp1',
|
|
'contentCheck comp2', 'viewCheck comp1', 'viewCheck comp2'
|
|
]);
|
|
});
|
|
|
|
it('should call all hooks in correct order with children', () => {
|
|
const Comp = createAllHooksComponent('comp', (ctx: any, cm: boolean) => {});
|
|
|
|
/** <comp [val]="val"></comp> */
|
|
const Parent = createAllHooksComponent('parent', (ctx: any, cm: boolean) => {
|
|
if (cm) {
|
|
elementStart(0, Comp);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', bind(ctx.val));
|
|
Comp.ngComponentDef.h(1, 0);
|
|
componentRefresh(1, 0);
|
|
});
|
|
|
|
/**
|
|
* <parent [val]="1"></parent>
|
|
* <parent [val]="2"></parent>
|
|
*/
|
|
function Template(ctx: any, cm: boolean) {
|
|
if (cm) {
|
|
elementStart(0, Parent);
|
|
elementEnd();
|
|
elementStart(2, Parent);
|
|
elementEnd();
|
|
}
|
|
elementProperty(0, 'val', 1);
|
|
elementProperty(2, 'val', 2);
|
|
Parent.ngComponentDef.h(1, 0);
|
|
Parent.ngComponentDef.h(3, 2);
|
|
componentRefresh(1, 0);
|
|
componentRefresh(3, 2);
|
|
}
|
|
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'changes parent1', 'init parent1', 'check parent1',
|
|
'changes parent2', 'init parent2', 'check parent2',
|
|
'contentInit parent1', 'contentCheck parent1', 'contentInit parent2',
|
|
'contentCheck parent2', 'changes comp1', 'init comp1',
|
|
'check comp1', 'contentInit comp1', 'contentCheck comp1',
|
|
'viewInit comp1', 'viewCheck comp1', 'changes comp2',
|
|
'init comp2', 'check comp2', 'contentInit comp2',
|
|
'contentCheck comp2', 'viewInit comp2', 'viewCheck comp2',
|
|
'viewInit parent1', 'viewCheck parent1', 'viewInit parent2',
|
|
'viewCheck parent2'
|
|
]);
|
|
|
|
events = [];
|
|
renderToHtml(Template, {});
|
|
expect(events).toEqual([
|
|
'changes parent1', 'check parent1', 'changes parent2', 'check parent2',
|
|
'contentCheck parent1', 'contentCheck parent2', 'check comp1', 'contentCheck comp1',
|
|
'viewCheck comp1', 'check comp2', 'contentCheck comp2', 'viewCheck comp2',
|
|
'viewCheck parent1', 'viewCheck parent2'
|
|
]);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
});
|