117 lines
3.6 KiB
TypeScript
117 lines
3.6 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 {ComponentTemplate, ɵɵdefineComponent, ɵɵdefineDirective, ɵɵproperty} from '../../src/render3/index';
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import {ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵelement, ɵɵelementEnd, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵprojection, ɵɵprojectionDef, ɵɵtext} from '../../src/render3/instructions/all';
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import {RenderFlags} from '../../src/render3/interfaces/definition';
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import {NgIf} from './common_with_def';
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import {ComponentFixture, createComponent} from './render_util';
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describe('lifecycles', () => {
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function getParentTemplate(name: string) {
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return (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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ɵɵelement(0, name);
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}
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if (rf & RenderFlags.Update) {
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ɵɵproperty('val', ctx.val);
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}
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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', (rf: RenderFlags) => {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'div');
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{ ɵɵprojection(1); }
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ɵɵelementEnd();
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}
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}, 2);
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let Parent = createOnInitComponent('parent', getParentTemplate('comp'), 1, 1, [Comp]);
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let ProjectedComp = createOnInitComponent('projected', (rf: RenderFlags) => {
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if (rf & RenderFlags.Create) {
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ɵɵtext(0, 'content');
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}
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}, 1);
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function createOnInitComponent(
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name: string, template: ComponentTemplate<any>, consts: number, vars: number = 0,
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directives: any[] = []) {
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return class Component {
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val: string = '';
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ngOnInit() {
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if (!this.val) this.val = '';
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events.push(`${name}${this.val}`);
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}
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static ngFactoryDef = () => new Component();
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static ngComponentDef = ɵɵdefineComponent({
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type: Component,
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selectors: [[name]],
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consts: consts,
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vars: vars,
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inputs: {val: 'val'}, template,
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directives: directives
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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 ngFactoryDef = () => new Directive();
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static ngDirectiveDef = ɵɵdefineDirective({type: Directive, selectors: [['', 'dir', '']]});
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}
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const directives = [Comp, Parent, ProjectedComp, Directive, NgIf];
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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 (!skip) {
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* <comp></comp>
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* % }
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*/
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵcontainer(0);
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(0);
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{
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if (!ctx.skip) {
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let rf1 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf1 & RenderFlags.Create) {
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ɵɵelement(0, 'comp');
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 1, 0, directives);
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const fixture = new ComponentFixture(App);
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expect(events).toEqual(['comp']);
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fixture.component.skip = true;
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fixture.update();
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expect(events).toEqual(['comp']);
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fixture.component.skip = false;
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fixture.update();
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expect(events).toEqual(['comp', 'comp']);
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});
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});
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});
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