1066 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			1066 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| /**
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|  * @license
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|  * Copyright Google LLC 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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| 
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| import {RElement} from '@angular/core/src/render3/interfaces/renderer_dom';
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| import {RendererType2} from '../../src/render/api_flags';
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| import {getLContext, readPatchedData} from '../../src/render3/context_discovery';
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| import {AttributeMarker, ɵɵadvance, ɵɵattribute, ɵɵdefineComponent, ɵɵdefineDirective, ɵɵhostProperty, ɵɵproperty} from '../../src/render3/index';
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| import {ɵɵelement, ɵɵelementEnd, ɵɵelementStart, ɵɵprojection, ɵɵprojectionDef, ɵɵtemplate, ɵɵtext} from '../../src/render3/instructions/all';
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| import {RenderFlags} from '../../src/render3/interfaces/definition';
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| import {domRendererFactory3, Renderer3, RendererFactory3} from '../../src/render3/interfaces/renderer';
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| import {CONTEXT, HEADER_OFFSET} from '../../src/render3/interfaces/view';
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| import {ɵɵsanitizeUrl} from '../../src/sanitization/sanitization';
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| import {Sanitizer} from '../../src/sanitization/sanitizer';
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| import {SecurityContext} from '../../src/sanitization/security';
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| 
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| import {NgIf} from './common_with_def';
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| import {ComponentFixture, MockRendererFactory, renderToHtml} from './render_util';
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| 
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| describe('render3 integration test', () => {
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|   describe('render', () => {
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|     describe('text bindings', () => {
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|       it('should support creation-time values in text nodes', () => {
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|         function Template(rf: RenderFlags, value: string) {
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|           if (rf & RenderFlags.Create) {
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|             ɵɵtext(0, value);
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|           }
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|         }
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|         expect(renderToHtml(Template, 'once', 1, 1)).toEqual('once');
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|         expect(renderToHtml(Template, 'twice', 1, 1)).toEqual('once');
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|         expect(ngDevMode).toHaveProperties({
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|           firstCreatePass: 0,
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|           tNode: 2,
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|           tView: 2,  // 1 for root view, 1 for template
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|           rendererSetText: 1,
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|         });
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|       });
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|     });
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|   });
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| });
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| 
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| describe('component styles', () => {
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|   it('should pass in the component styles directly into the underlying renderer', () => {
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|     class StyledComp {
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|       static ɵfac = () => new StyledComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: StyledComp,
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|         styles: ['div { color: red; }'],
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|         decls: 1,
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|         vars: 0,
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|         encapsulation: 100,
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|         selectors: [['foo']],
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|         template:
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|             (rf: RenderFlags, ctx: StyledComp) => {
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|               if (rf & RenderFlags.Create) {
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|                 ɵɵelement(0, 'div');
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|               }
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|             }
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|       });
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|     }
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|     const rendererFactory = new ProxyRenderer3Factory();
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|     new ComponentFixture(StyledComp, {rendererFactory});
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|     expect(rendererFactory.lastCapturedType!.styles).toEqual(['div { color: red; }']);
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|     expect(rendererFactory.lastCapturedType!.encapsulation).toEqual(100);
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|   });
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| });
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| 
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| describe('component animations', () => {
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|   it('should pass in the component styles directly into the underlying renderer', () => {
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|     const animA = {name: 'a'};
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|     const animB = {name: 'b'};
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| 
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|     class AnimComp {
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|       static ɵfac = () => new AnimComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: AnimComp,
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|         decls: 0,
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|         vars: 0,
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|         data: {
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|           animation:
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|               [
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|                 animA,
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|                 animB,
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|               ],
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|         },
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|         selectors: [['foo']],
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|         template: (rf: RenderFlags, ctx: AnimComp) => {}
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|       });
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|     }
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|     const rendererFactory = new ProxyRenderer3Factory();
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|     new ComponentFixture(AnimComp, {rendererFactory});
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| 
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|     const capturedAnimations = rendererFactory.lastCapturedType!.data!['animation'];
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|     expect(Array.isArray(capturedAnimations)).toBeTruthy();
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|     expect(capturedAnimations.length).toEqual(2);
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|     expect(capturedAnimations).toContain(animA);
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|     expect(capturedAnimations).toContain(animB);
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|   });
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| 
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|   it('should include animations in the renderType data array even if the array is empty', () => {
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|     class AnimComp {
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|       static ɵfac = () => new AnimComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: AnimComp,
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|         decls: 0,
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|         vars: 0,
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|         data: {
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|           animation: [],
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|         },
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|         selectors: [['foo']],
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|         template: (rf: RenderFlags, ctx: AnimComp) => {}
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|       });
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|     }
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|     const rendererFactory = new ProxyRenderer3Factory();
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|     new ComponentFixture(AnimComp, {rendererFactory});
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|     const data = rendererFactory.lastCapturedType!.data;
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|     expect(data.animation).toEqual([]);
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|   });
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| 
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|   it('should allow [@trigger] bindings to be picked up by the underlying renderer', () => {
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|     class AnimComp {
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|       static ɵfac = () => new AnimComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: AnimComp,
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|         decls: 1,
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|         vars: 1,
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|         selectors: [['foo']],
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|         consts: [[AttributeMarker.Bindings, '@fooAnimation']],
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|         template:
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|             (rf: RenderFlags, ctx: AnimComp) => {
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|               if (rf & RenderFlags.Create) {
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|                 ɵɵelement(0, 'div', 0);
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|               }
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|               if (rf & RenderFlags.Update) {
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|                 ɵɵattribute('@fooAnimation', ctx.animationValue);
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|               }
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|             }
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|       });
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| 
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|       animationValue = '123';
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|     }
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| 
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|     const rendererFactory = new MockRendererFactory(['setAttribute']);
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|     const fixture = new ComponentFixture(AnimComp, {rendererFactory});
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| 
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|     const renderer = rendererFactory.lastRenderer!;
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|     fixture.component.animationValue = '456';
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|     fixture.update();
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| 
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|     const spy = renderer.spies['setAttribute'];
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|     const [elm, attr, value] = spy.calls.mostRecent().args;
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| 
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|     expect(attr).toEqual('@fooAnimation');
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|     expect(value).toEqual('456');
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|   });
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| 
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|   it('should allow creation-level [@trigger] properties to be picked up by the underlying renderer',
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|      () => {
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|        class AnimComp {
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|          static ɵfac = () => new AnimComp();
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|          static ɵcmp = ɵɵdefineComponent({
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|            type: AnimComp,
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|            decls: 1,
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|            vars: 1,
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|            selectors: [['foo']],
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|            consts: [['@fooAnimation', '']],
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|            template:
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|                (rf: RenderFlags, ctx: AnimComp) => {
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|                  if (rf & RenderFlags.Create) {
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|                    ɵɵelement(0, 'div', 0);
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|                  }
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|                }
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|          });
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|        }
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| 
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|        const rendererFactory = new MockRendererFactory(['setProperty']);
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|        const fixture = new ComponentFixture(AnimComp, {rendererFactory});
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| 
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|        const renderer = rendererFactory.lastRenderer!;
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|        fixture.update();
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| 
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|        const spy = renderer.spies['setProperty'];
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|        const [elm, attr, value] = spy.calls.mostRecent().args;
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|        expect(attr).toEqual('@fooAnimation');
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|      });
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| 
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|   // TODO(benlesh): this test does not seem to be testing anything we could actually generate with
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|   // these instructions. ɵɵbind should be present in the ɵɵelementProperty call in the hostBindings,
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|   // however adding that causes an error because the slot has not been allocated. There is a
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|   // directive called `comp-with-anim`, that seems to want to be a component, but is defined as a
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|   // directive that is looking for a property `@fooAnim` to update.
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| 
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|   //   it('should allow host binding animations to be picked up and rendered', () => {
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|   //     class ChildCompWithAnim {
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|   //       static ɵfac = () => new ChildCompWithAnim();
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|   //       static ɵdir = ɵɵdefineDirective({
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|   //         type: ChildCompWithAnim,
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|   //         selectors: [['child-comp-with-anim']],
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|   //         hostBindings: function(rf: RenderFlags, ctx: any, elementIndex: number): void {
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|   //           if (rf & RenderFlags.Update) {
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|   //             ɵɵelementProperty(0, '@fooAnim', ctx.exp);
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|   //           }
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|   //         },
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|   //       });
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| 
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|   //       exp = 'go';
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|   //     }
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| 
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|   //     class ParentComp {
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|   //       static ɵfac = () => new ParentComp();
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|   //       static ɵcmp = ɵɵdefineComponent({
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|   //         type: ParentComp,
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|   //         decls: 1,
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|   //         vars: 1,
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|   //         selectors: [['foo']],
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|   //         template: (rf: RenderFlags, ctx: ParentComp) => {
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|   //           if (rf & RenderFlags.Create) {
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|   //             ɵɵelement(0, 'child-comp-with-anim');
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|   //           }
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|   //         },
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|   //         directives: [ChildCompWithAnim]
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|   //       });
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|   //     }
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| 
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|   //     const rendererFactory = new MockRendererFactory(['setProperty']);
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|   //     const fixture = new ComponentFixture(ParentComp, {rendererFactory});
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| 
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|   //     const renderer = rendererFactory.lastRenderer !;
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|   //     fixture.update();
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| 
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|   //     const spy = renderer.spies['setProperty'];
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|   //     const [elm, attr, value] = spy.calls.mostRecent().args;
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|   //     expect(attr).toEqual('@fooAnim');
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|   //   });
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| });
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| 
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| describe('element discovery', () => {
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|   it('should only monkey-patch immediate child nodes in a component', () => {
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|     class StructuredComp {
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|       static ɵfac = () => new StructuredComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: StructuredComp,
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|         selectors: [['structured-comp']],
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|         decls: 2,
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|         vars: 0,
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|         template:
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|             (rf: RenderFlags, ctx: StructuredComp) => {
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|               if (rf & RenderFlags.Create) {
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|                 ɵɵelementStart(0, 'div');
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|                 ɵɵelementStart(1, 'p');
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|                 ɵɵelementEnd();
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|                 ɵɵelementEnd();
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|               }
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|               if (rf & RenderFlags.Update) {
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|               }
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|             }
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|       });
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|     }
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| 
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|     const fixture = new ComponentFixture(StructuredComp);
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|     fixture.update();
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| 
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|     const host = fixture.hostElement;
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|     const parent = host.querySelector('div') as any;
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|     const child = host.querySelector('p') as any;
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| 
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|     expect(readPatchedData(parent)).toBeTruthy();
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|     expect(readPatchedData(child)).toBeFalsy();
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|   });
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| 
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|   it('should only monkey-patch immediate child nodes in a sub component', () => {
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|     class ChildComp {
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|       static ɵfac = () => new ChildComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: ChildComp,
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|         selectors: [['child-comp']],
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|         decls: 3,
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|         vars: 0,
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|         template:
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|             (rf: RenderFlags, ctx: ChildComp) => {
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|               if (rf & RenderFlags.Create) {
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|                 ɵɵelement(0, 'div');
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|                 ɵɵelement(1, 'div');
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|                 ɵɵelement(2, 'div');
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|               }
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|             }
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|       });
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|     }
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| 
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|     class ParentComp {
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|       static ɵfac = () => new ParentComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: ParentComp,
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|         selectors: [['parent-comp']],
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|         directives: [ChildComp],
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|         decls: 2,
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|         vars: 0,
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|         template:
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|             (rf: RenderFlags, ctx: ParentComp) => {
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|               if (rf & RenderFlags.Create) {
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|                 ɵɵelementStart(0, 'section');
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|                 ɵɵelementStart(1, 'child-comp');
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|                 ɵɵelementEnd();
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|                 ɵɵelementEnd();
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|               }
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|             }
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|       });
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|     }
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| 
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|     const fixture = new ComponentFixture(ParentComp);
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|     fixture.update();
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| 
 | |
|     const host = fixture.hostElement;
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|     const child = host.querySelector('child-comp') as any;
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|     expect(readPatchedData(child)).toBeTruthy();
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| 
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|     const [kid1, kid2, kid3] = Array.from(host.querySelectorAll('child-comp > *'));
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|     expect(readPatchedData(kid1)).toBeTruthy();
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|     expect(readPatchedData(kid2)).toBeTruthy();
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|     expect(readPatchedData(kid3)).toBeTruthy();
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|   });
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| 
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|   it('should only monkey-patch immediate child nodes in an embedded template container', () => {
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|     class StructuredComp {
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|       static ɵfac = () => new StructuredComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: StructuredComp,
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|         selectors: [['structured-comp']],
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|         directives: [NgIf],
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|         decls: 2,
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|         vars: 1,
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|         consts: [['ngIf', '']],
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|         template:
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|             (rf: RenderFlags, ctx: StructuredComp) => {
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|               if (rf & RenderFlags.Create) {
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|                 ɵɵelementStart(0, 'section');
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|                 ɵɵtemplate(1, (rf, ctx) => {
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|                   if (rf & RenderFlags.Create) {
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|                     ɵɵelementStart(0, 'div');
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|                     ɵɵelement(1, 'p');
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|                     ɵɵelementEnd();
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|                     ɵɵelement(2, 'div');
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|                   }
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|                 }, 3, 0, 'ng-template', 0);
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|                 ɵɵelementEnd();
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|               }
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|               if (rf & RenderFlags.Update) {
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|                 ɵɵadvance(1);
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|                 ɵɵproperty('ngIf', true);
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|               }
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|             }
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|       });
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|     }
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| 
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|     const fixture = new ComponentFixture(StructuredComp);
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|     fixture.update();
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| 
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|     const host = fixture.hostElement;
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|     const [section, div1, p, div2] = Array.from(host.querySelectorAll('section, div, p'));
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| 
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|     expect(section.nodeName.toLowerCase()).toBe('section');
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|     expect(readPatchedData(section)).toBeTruthy();
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| 
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|     expect(div1.nodeName.toLowerCase()).toBe('div');
 | |
|     expect(readPatchedData(div1)).toBeTruthy();
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| 
 | |
|     expect(p.nodeName.toLowerCase()).toBe('p');
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|     expect(readPatchedData(p)).toBeFalsy();
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| 
 | |
|     expect(div2.nodeName.toLowerCase()).toBe('div');
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|     expect(readPatchedData(div2)).toBeTruthy();
 | |
|   });
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| 
 | |
|   it('should return a context object from a given dom node', () => {
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|     class StructuredComp {
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|       static ɵfac = () => new StructuredComp();
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|       static ɵcmp = ɵɵdefineComponent({
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|         type: StructuredComp,
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|         selectors: [['structured-comp']],
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|         directives: [NgIf],
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|         decls: 2,
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|         vars: 0,
 | |
|         template:
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|             (rf: RenderFlags, ctx: StructuredComp) => {
 | |
|               if (rf & RenderFlags.Create) {
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|                 ɵɵelement(0, 'section');
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|                 ɵɵelement(1, 'div');
 | |
|               }
 | |
|             }
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     const fixture = new ComponentFixture(StructuredComp);
 | |
|     fixture.update();
 | |
| 
 | |
|     const section = fixture.hostElement.querySelector('section')!;
 | |
|     const sectionContext = getLContext(section)!;
 | |
|     const sectionLView = sectionContext.lView!;
 | |
|     expect(sectionContext.nodeIndex).toEqual(HEADER_OFFSET);
 | |
|     expect(sectionLView.length).toBeGreaterThan(HEADER_OFFSET);
 | |
|     expect(sectionContext.native).toBe(section);
 | |
| 
 | |
|     const div = fixture.hostElement.querySelector('div')!;
 | |
|     const divContext = getLContext(div)!;
 | |
|     const divLView = divContext.lView!;
 | |
|     expect(divContext.nodeIndex).toEqual(HEADER_OFFSET + 1);
 | |
|     expect(divLView.length).toBeGreaterThan(HEADER_OFFSET);
 | |
|     expect(divContext.native).toBe(div);
 | |
| 
 | |
|     expect(divLView).toBe(sectionLView);
 | |
|   });
 | |
| 
 | |
|   it('should cache the element context on a element was pre-emptively monkey-patched', () => {
 | |
|     class StructuredComp {
 | |
|       static ɵfac = () => new StructuredComp();
 | |
|       static ɵcmp = ɵɵdefineComponent({
 | |
|         type: StructuredComp,
 | |
|         selectors: [['structured-comp']],
 | |
|         decls: 1,
 | |
|         vars: 0,
 | |
|         template:
 | |
|             (rf: RenderFlags, ctx: StructuredComp) => {
 | |
|               if (rf & RenderFlags.Create) {
 | |
|                 ɵɵelement(0, 'section');
 | |
|               }
 | |
|             }
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     const fixture = new ComponentFixture(StructuredComp);
 | |
|     fixture.update();
 | |
| 
 | |
|     const section = fixture.hostElement.querySelector('section')! as any;
 | |
|     const result1 = readPatchedData(section);
 | |
|     expect(Array.isArray(result1)).toBeTruthy();
 | |
| 
 | |
|     const context = getLContext(section)!;
 | |
|     const result2 = readPatchedData(section) as any;
 | |
|     expect(Array.isArray(result2)).toBeFalsy();
 | |
| 
 | |
|     expect(result2).toBe(context);
 | |
|     expect(result2.lView).toBe(result1);
 | |
|   });
 | |
| 
 | |
|   it('should cache the element context on an intermediate element that isn\'t pre-emptively monkey-patched',
 | |
|      () => {
 | |
|        class StructuredComp {
 | |
|          static ɵfac = () => new StructuredComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: StructuredComp,
 | |
|            selectors: [['structured-comp']],
 | |
|            decls: 2,
 | |
|            vars: 0,
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: StructuredComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelementStart(0, 'section');
 | |
|                    ɵɵelement(1, 'p');
 | |
|                    ɵɵelementEnd();
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        const fixture = new ComponentFixture(StructuredComp);
 | |
|        fixture.update();
 | |
| 
 | |
|        const section = fixture.hostElement.querySelector('section')! as any;
 | |
|        expect(readPatchedData(section)).toBeTruthy();
 | |
| 
 | |
|        const p = fixture.hostElement.querySelector('p')! as any;
 | |
|        expect(readPatchedData(p)).toBeFalsy();
 | |
| 
 | |
|        const pContext = getLContext(p)!;
 | |
|        expect(pContext.native).toBe(p);
 | |
|        expect(readPatchedData(p)).toBe(pContext);
 | |
|      });
 | |
| 
 | |
|   it('should be able to pull in element context data even if the element is decorated using styling',
 | |
|      () => {
 | |
|        class StructuredComp {
 | |
|          static ɵfac = () => new StructuredComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: StructuredComp,
 | |
|            selectors: [['structured-comp']],
 | |
|            decls: 1,
 | |
|            vars: 0,
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: StructuredComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelement(0, 'section');
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        const fixture = new ComponentFixture(StructuredComp);
 | |
|        fixture.update();
 | |
| 
 | |
|        const section = fixture.hostElement.querySelector('section')! as any;
 | |
|        const result1 = readPatchedData(section) as any;
 | |
|        expect(Array.isArray(result1)).toBeTruthy();
 | |
| 
 | |
|        const elementResult = result1[HEADER_OFFSET];  // first element
 | |
|        expect(elementResult).toBe(section);
 | |
| 
 | |
|        const context = getLContext(section)!;
 | |
|        const result2 = readPatchedData(section);
 | |
|        expect(Array.isArray(result2)).toBeFalsy();
 | |
| 
 | |
|        expect(context.native).toBe(section);
 | |
|      });
 | |
| 
 | |
|   it('should monkey-patch immediate child nodes in a content-projected region with a reference to the parent component',
 | |
|      () => {
 | |
|        /*
 | |
|          <!-- DOM view -->
 | |
|          <section>
 | |
|            <projection-comp>
 | |
|              welcome
 | |
|              <header>
 | |
|                <h1>
 | |
|                  <p>this content is projected</p>
 | |
|                  this content is projected also
 | |
|                </h1>
 | |
|              </header>
 | |
|            </projection-comp>
 | |
|          </section>
 | |
|        */
 | |
|        class ProjectorComp {
 | |
|          static ɵfac = () => new ProjectorComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: ProjectorComp,
 | |
|            selectors: [['projector-comp']],
 | |
|            decls: 4,
 | |
|            vars: 0,
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: ProjectorComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵprojectionDef();
 | |
|                    ɵɵtext(0, 'welcome');
 | |
|                    ɵɵelementStart(1, 'header');
 | |
|                    ɵɵelementStart(2, 'h1');
 | |
|                    ɵɵprojection(3);
 | |
|                    ɵɵelementEnd();
 | |
|                    ɵɵelementEnd();
 | |
|                  }
 | |
|                  if (rf & RenderFlags.Update) {
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        class ParentComp {
 | |
|          static ɵfac = () => new ParentComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: ParentComp,
 | |
|            selectors: [['parent-comp']],
 | |
|            directives: [ProjectorComp],
 | |
|            decls: 5,
 | |
|            vars: 0,
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: ParentComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelementStart(0, 'section');
 | |
|                    ɵɵelementStart(1, 'projector-comp');
 | |
|                    ɵɵelementStart(2, 'p');
 | |
|                    ɵɵtext(3, 'this content is projected');
 | |
|                    ɵɵelementEnd();
 | |
|                    ɵɵtext(4, 'this content is projected also');
 | |
|                    ɵɵelementEnd();
 | |
|                    ɵɵelementEnd();
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        const fixture = new ComponentFixture(ParentComp);
 | |
|        fixture.update();
 | |
| 
 | |
|        const host = fixture.hostElement;
 | |
|        const textNode = host.firstChild as any;
 | |
|        const section = host.querySelector('section')! as any;
 | |
|        const projectorComp = host.querySelector('projector-comp')! as any;
 | |
|        const header = host.querySelector('header')! as any;
 | |
|        const h1 = host.querySelector('h1')! as any;
 | |
|        const p = host.querySelector('p')! as any;
 | |
|        const pText = p.firstChild as any;
 | |
|        const projectedTextNode = p.nextSibling;
 | |
| 
 | |
|        expect(projectorComp.children).toContain(header);
 | |
|        expect(h1.children).toContain(p);
 | |
| 
 | |
|        expect(readPatchedData(textNode)).toBeTruthy();
 | |
|        expect(readPatchedData(section)).toBeTruthy();
 | |
|        expect(readPatchedData(projectorComp)).toBeTruthy();
 | |
|        expect(readPatchedData(header)).toBeTruthy();
 | |
|        expect(readPatchedData(h1)).toBeFalsy();
 | |
|        expect(readPatchedData(p)).toBeTruthy();
 | |
|        expect(readPatchedData(pText)).toBeFalsy();
 | |
|        expect(readPatchedData(projectedTextNode)).toBeTruthy();
 | |
| 
 | |
|        const parentContext = getLContext(section)!;
 | |
|        const shadowContext = getLContext(header)!;
 | |
|        const projectedContext = getLContext(p)!;
 | |
| 
 | |
|        const parentComponentData = parentContext.lView;
 | |
|        const shadowComponentData = shadowContext.lView;
 | |
|        const projectedComponentData = projectedContext.lView;
 | |
| 
 | |
|        expect(projectedComponentData).toBe(parentComponentData);
 | |
|        expect(shadowComponentData).not.toBe(parentComponentData);
 | |
|      });
 | |
| 
 | |
|   it('should return `null` when an element context is retrieved that isn\'t situated in Angular',
 | |
|      () => {
 | |
|        const elm1 = document.createElement('div');
 | |
|        const context1 = getLContext(elm1);
 | |
|        expect(context1).toBeFalsy();
 | |
| 
 | |
|        const elm2 = document.createElement('div');
 | |
|        document.body.appendChild(elm2);
 | |
|        const context2 = getLContext(elm2);
 | |
|        expect(context2).toBeFalsy();
 | |
|      });
 | |
| 
 | |
|   it('should return `null` when an element context is retrieved that is a DOM node that was not created by Angular',
 | |
|      () => {
 | |
|        class StructuredComp {
 | |
|          static ɵfac = () => new StructuredComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: StructuredComp,
 | |
|            selectors: [['structured-comp']],
 | |
|            decls: 1,
 | |
|            vars: 0,
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: StructuredComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelement(0, 'section');
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        const fixture = new ComponentFixture(StructuredComp);
 | |
|        fixture.update();
 | |
| 
 | |
|        const section = fixture.hostElement.querySelector('section')! as any;
 | |
|        const manuallyCreatedElement = document.createElement('div');
 | |
|        section.appendChild(manuallyCreatedElement);
 | |
| 
 | |
|        const context = getLContext(manuallyCreatedElement);
 | |
|        expect(context).toBeFalsy();
 | |
|      });
 | |
| 
 | |
|   it('should by default monkey-patch the bootstrap component with context details', () => {
 | |
|     class StructuredComp {
 | |
|       static ɵfac = () => new StructuredComp();
 | |
|       static ɵcmp = ɵɵdefineComponent({
 | |
|         type: StructuredComp,
 | |
|         selectors: [['structured-comp']],
 | |
|         decls: 0,
 | |
|         vars: 0,
 | |
|         template: (rf: RenderFlags, ctx: StructuredComp) => {}
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     const fixture = new ComponentFixture(StructuredComp);
 | |
|     fixture.update();
 | |
| 
 | |
|     const hostElm = fixture.hostElement;
 | |
|     const component = fixture.component;
 | |
| 
 | |
|     const componentLView = readPatchedData(component);
 | |
|     expect(Array.isArray(componentLView)).toBeTruthy();
 | |
| 
 | |
|     const hostLView = readPatchedData(hostElm) as any;
 | |
|     expect(hostLView).toBe(componentLView);
 | |
| 
 | |
|     const context1 = getLContext(hostElm)!;
 | |
|     expect(context1.lView).toBe(hostLView);
 | |
|     expect(context1.native).toEqual(hostElm);
 | |
| 
 | |
|     const context2 = getLContext(component)!;
 | |
|     expect(context2).toBe(context1);
 | |
|     expect(context2.lView).toBe(hostLView);
 | |
|     expect(context2.native).toEqual(hostElm);
 | |
|   });
 | |
| 
 | |
|   it('should by default monkey-patch the directives with LView so that they can be examined',
 | |
|      () => {
 | |
|        let myDir1Instance: MyDir1|null = null;
 | |
|        let myDir2Instance: MyDir2|null = null;
 | |
|        let myDir3Instance: MyDir2|null = null;
 | |
| 
 | |
|        class MyDir1 {
 | |
|          static ɵfac = () => myDir1Instance = new MyDir1();
 | |
|          static ɵdir = ɵɵdefineDirective({type: MyDir1, selectors: [['', 'my-dir-1', '']]});
 | |
|        }
 | |
| 
 | |
|        class MyDir2 {
 | |
|          static ɵfac = () => myDir2Instance = new MyDir2();
 | |
|          static ɵdir = ɵɵdefineDirective({type: MyDir2, selectors: [['', 'my-dir-2', '']]});
 | |
|        }
 | |
| 
 | |
|        class MyDir3 {
 | |
|          static ɵfac = () => myDir3Instance = new MyDir2();
 | |
|          static ɵdir = ɵɵdefineDirective({type: MyDir3, selectors: [['', 'my-dir-3', '']]});
 | |
|        }
 | |
| 
 | |
|        class StructuredComp {
 | |
|          static ɵfac = () => new StructuredComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: StructuredComp,
 | |
|            selectors: [['structured-comp']],
 | |
|            directives: [MyDir1, MyDir2, MyDir3],
 | |
|            decls: 2,
 | |
|            vars: 0,
 | |
|            consts: [['my-dir-1', '', 'my-dir-2', ''], ['my-dir-3']],
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: StructuredComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelement(0, 'div', 0);
 | |
|                    ɵɵelement(1, 'div', 1);
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        const fixture = new ComponentFixture(StructuredComp);
 | |
|        fixture.update();
 | |
| 
 | |
|        const hostElm = fixture.hostElement;
 | |
|        const div1 = hostElm.querySelector('div:first-child')! as any;
 | |
|        const div2 = hostElm.querySelector('div:last-child')! as any;
 | |
|        const context = getLContext(hostElm)!;
 | |
|        const componentView = context.lView[context.nodeIndex];
 | |
| 
 | |
|        expect(componentView).toContain(myDir1Instance);
 | |
|        expect(componentView).toContain(myDir2Instance);
 | |
|        expect(componentView).toContain(myDir3Instance);
 | |
| 
 | |
|        expect(Array.isArray(readPatchedData(myDir1Instance))).toBeTruthy();
 | |
|        expect(Array.isArray(readPatchedData(myDir2Instance))).toBeTruthy();
 | |
|        expect(Array.isArray(readPatchedData(myDir3Instance))).toBeTruthy();
 | |
| 
 | |
|        const d1Context = getLContext(myDir1Instance)!;
 | |
|        const d2Context = getLContext(myDir2Instance)!;
 | |
|        const d3Context = getLContext(myDir3Instance)!;
 | |
| 
 | |
|        expect(d1Context.lView).toEqual(componentView);
 | |
|        expect(d2Context.lView).toEqual(componentView);
 | |
|        expect(d3Context.lView).toEqual(componentView);
 | |
| 
 | |
|        expect(readPatchedData(myDir1Instance)).toBe(d1Context);
 | |
|        expect(readPatchedData(myDir2Instance)).toBe(d2Context);
 | |
|        expect(readPatchedData(myDir3Instance)).toBe(d3Context);
 | |
| 
 | |
|        expect(d1Context.nodeIndex).toEqual(HEADER_OFFSET);
 | |
|        expect(d1Context.native).toBe(div1);
 | |
|        expect(d1Context.directives as any[]).toEqual([myDir1Instance, myDir2Instance]);
 | |
| 
 | |
|        expect(d2Context.nodeIndex).toEqual(HEADER_OFFSET);
 | |
|        expect(d2Context.native).toBe(div1);
 | |
|        expect(d2Context.directives as any[]).toEqual([myDir1Instance, myDir2Instance]);
 | |
| 
 | |
|        expect(d3Context.nodeIndex).toEqual(HEADER_OFFSET + 1);
 | |
|        expect(d3Context.native).toBe(div2);
 | |
|        expect(d3Context.directives as any[]).toEqual([myDir3Instance]);
 | |
|      });
 | |
| 
 | |
|   it('should monkey-patch the exact same context instance of the DOM node, component and any directives on the same element',
 | |
|      () => {
 | |
|        let myDir1Instance: MyDir1|null = null;
 | |
|        let myDir2Instance: MyDir2|null = null;
 | |
|        let childComponentInstance: ChildComp|null = null;
 | |
| 
 | |
|        class MyDir1 {
 | |
|          static ɵfac = () => myDir1Instance = new MyDir1();
 | |
|          static ɵdir = ɵɵdefineDirective({type: MyDir1, selectors: [['', 'my-dir-1', '']]});
 | |
|        }
 | |
| 
 | |
|        class MyDir2 {
 | |
|          static ɵfac = () => myDir2Instance = new MyDir2();
 | |
|          static ɵdir = ɵɵdefineDirective({type: MyDir2, selectors: [['', 'my-dir-2', '']]});
 | |
|        }
 | |
| 
 | |
|        class ChildComp {
 | |
|          static ɵfac = () => childComponentInstance = new ChildComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: ChildComp,
 | |
|            selectors: [['child-comp']],
 | |
|            decls: 1,
 | |
|            vars: 0,
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: ChildComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelement(0, 'div');
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        class ParentComp {
 | |
|          static ɵfac = () => new ParentComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: ParentComp,
 | |
|            selectors: [['parent-comp']],
 | |
|            directives: [ChildComp, MyDir1, MyDir2],
 | |
|            decls: 1,
 | |
|            vars: 0,
 | |
|            consts: [['my-dir-1', '', 'my-dir-2', '']],
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: ParentComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelement(0, 'child-comp', 0);
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        const fixture = new ComponentFixture(ParentComp);
 | |
|        fixture.update();
 | |
| 
 | |
|        const childCompHostElm = fixture.hostElement.querySelector('child-comp')! as any;
 | |
| 
 | |
|        const lView = readPatchedData(childCompHostElm);
 | |
|        expect(Array.isArray(lView)).toBeTruthy();
 | |
|        expect(readPatchedData(myDir1Instance)).toBe(lView);
 | |
|        expect(readPatchedData(myDir2Instance)).toBe(lView);
 | |
|        expect(readPatchedData(childComponentInstance)).toBe(lView);
 | |
| 
 | |
|        const childNodeContext = getLContext(childCompHostElm)!;
 | |
|        expect(childNodeContext.component).toBeFalsy();
 | |
|        expect(childNodeContext.directives).toBeFalsy();
 | |
|        assertMonkeyPatchValueIsLView(myDir1Instance);
 | |
|        assertMonkeyPatchValueIsLView(myDir2Instance);
 | |
|        assertMonkeyPatchValueIsLView(childComponentInstance);
 | |
| 
 | |
|        expect(getLContext(myDir1Instance)).toBe(childNodeContext);
 | |
|        expect(childNodeContext.component).toBeFalsy();
 | |
|        expect(childNodeContext.directives!.length).toEqual(2);
 | |
|        assertMonkeyPatchValueIsLView(myDir1Instance, false);
 | |
|        assertMonkeyPatchValueIsLView(myDir2Instance, false);
 | |
|        assertMonkeyPatchValueIsLView(childComponentInstance);
 | |
| 
 | |
|        expect(getLContext(myDir2Instance)).toBe(childNodeContext);
 | |
|        expect(childNodeContext.component).toBeFalsy();
 | |
|        expect(childNodeContext.directives!.length).toEqual(2);
 | |
|        assertMonkeyPatchValueIsLView(myDir1Instance, false);
 | |
|        assertMonkeyPatchValueIsLView(myDir2Instance, false);
 | |
|        assertMonkeyPatchValueIsLView(childComponentInstance);
 | |
| 
 | |
|        expect(getLContext(childComponentInstance)).toBe(childNodeContext);
 | |
|        expect(childNodeContext.component).toBeTruthy();
 | |
|        expect(childNodeContext.directives!.length).toEqual(2);
 | |
|        assertMonkeyPatchValueIsLView(myDir1Instance, false);
 | |
|        assertMonkeyPatchValueIsLView(myDir2Instance, false);
 | |
|        assertMonkeyPatchValueIsLView(childComponentInstance, false);
 | |
| 
 | |
|        function assertMonkeyPatchValueIsLView(value: any, yesOrNo = true) {
 | |
|          expect(Array.isArray(readPatchedData(value))).toBe(yesOrNo);
 | |
|        }
 | |
|      });
 | |
| 
 | |
|   it('should monkey-patch sub components with the view data and then replace them with the context result once a lookup occurs',
 | |
|      () => {
 | |
|        class ChildComp {
 | |
|          static ɵfac = () => new ChildComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: ChildComp,
 | |
|            selectors: [['child-comp']],
 | |
|            decls: 3,
 | |
|            vars: 0,
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: ChildComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelement(0, 'div');
 | |
|                    ɵɵelement(1, 'div');
 | |
|                    ɵɵelement(2, 'div');
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        class ParentComp {
 | |
|          static ɵfac = () => new ParentComp();
 | |
|          static ɵcmp = ɵɵdefineComponent({
 | |
|            type: ParentComp,
 | |
|            selectors: [['parent-comp']],
 | |
|            directives: [ChildComp],
 | |
|            decls: 2,
 | |
|            vars: 0,
 | |
|            template:
 | |
|                (rf: RenderFlags, ctx: ParentComp) => {
 | |
|                  if (rf & RenderFlags.Create) {
 | |
|                    ɵɵelementStart(0, 'section');
 | |
|                    ɵɵelementStart(1, 'child-comp');
 | |
|                    ɵɵelementEnd();
 | |
|                    ɵɵelementEnd();
 | |
|                  }
 | |
|                }
 | |
|          });
 | |
|        }
 | |
| 
 | |
|        const fixture = new ComponentFixture(ParentComp);
 | |
|        fixture.update();
 | |
| 
 | |
|        const host = fixture.hostElement;
 | |
|        const child = host.querySelector('child-comp') as any;
 | |
|        expect(readPatchedData(child)).toBeTruthy();
 | |
| 
 | |
|        const context = getLContext(child)!;
 | |
|        expect(readPatchedData(child)).toBeTruthy();
 | |
| 
 | |
|        const componentData = context.lView[context.nodeIndex];
 | |
|        const component = componentData[CONTEXT];
 | |
|        expect(component instanceof ChildComp).toBeTruthy();
 | |
|        expect(readPatchedData(component)).toBe(context.lView);
 | |
| 
 | |
|        const componentContext = getLContext(component)!;
 | |
|        expect(readPatchedData(component)).toBe(componentContext);
 | |
|        expect(componentContext.nodeIndex).toEqual(context.nodeIndex);
 | |
|        expect(componentContext.native).toEqual(context.native);
 | |
|        expect(componentContext.lView).toEqual(context.lView);
 | |
|      });
 | |
| });
 | |
| 
 | |
| describe('sanitization', () => {
 | |
|   it('should sanitize data using the provided sanitization interface', () => {
 | |
|     class SanitizationComp {
 | |
|       static ɵfac = () => new SanitizationComp();
 | |
|       static ɵcmp = ɵɵdefineComponent({
 | |
|         type: SanitizationComp,
 | |
|         selectors: [['sanitize-this']],
 | |
|         decls: 1,
 | |
|         vars: 1,
 | |
|         template:
 | |
|             (rf: RenderFlags, ctx: SanitizationComp) => {
 | |
|               if (rf & RenderFlags.Create) {
 | |
|                 ɵɵelement(0, 'a');
 | |
|               }
 | |
|               if (rf & RenderFlags.Update) {
 | |
|                 ɵɵproperty('href', ctx.href, ɵɵsanitizeUrl);
 | |
|               }
 | |
|             }
 | |
|       });
 | |
| 
 | |
|       private href = '';
 | |
| 
 | |
|       updateLink(href: any) {
 | |
|         this.href = href;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     const sanitizer = new LocalSanitizer((value) => {
 | |
|       return 'http://bar';
 | |
|     });
 | |
| 
 | |
|     const fixture = new ComponentFixture(SanitizationComp, {sanitizer});
 | |
|     fixture.component.updateLink('http://foo');
 | |
|     fixture.update();
 | |
| 
 | |
|     const anchor = fixture.hostElement.querySelector('a')!;
 | |
|     expect(anchor.getAttribute('href')).toEqual('http://bar');
 | |
| 
 | |
|     fixture.component.updateLink(sanitizer.bypassSecurityTrustUrl('http://foo'));
 | |
|     fixture.update();
 | |
| 
 | |
|     expect(anchor.getAttribute('href')).toEqual('http://foo');
 | |
|   });
 | |
| 
 | |
|   it('should sanitize HostBindings data using provided sanitization interface', () => {
 | |
|     let hostBindingDir: UnsafeUrlHostBindingDir;
 | |
|     class UnsafeUrlHostBindingDir {
 | |
|       // @HostBinding()
 | |
|       cite: any = 'http://cite-dir-value';
 | |
| 
 | |
|       static ɵfac = () => hostBindingDir = new UnsafeUrlHostBindingDir();
 | |
|       static ɵdir = ɵɵdefineDirective({
 | |
|         type: UnsafeUrlHostBindingDir,
 | |
|         selectors: [['', 'unsafeUrlHostBindingDir', '']],
 | |
|         hostVars: 1,
 | |
|         hostBindings:
 | |
|             (rf: RenderFlags, ctx: any) => {
 | |
|               if (rf & RenderFlags.Update) {
 | |
|                 ɵɵhostProperty('cite', ctx.cite, ɵɵsanitizeUrl);
 | |
|               }
 | |
|             }
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     class SimpleComp {
 | |
|       static ɵfac = () => new SimpleComp();
 | |
|       static ɵcmp = ɵɵdefineComponent({
 | |
|         type: SimpleComp,
 | |
|         selectors: [['sanitize-this']],
 | |
|         decls: 1,
 | |
|         vars: 0,
 | |
|         consts: [['unsafeUrlHostBindingDir', '']],
 | |
|         template:
 | |
|             (rf: RenderFlags, ctx: SimpleComp) => {
 | |
|               if (rf & RenderFlags.Create) {
 | |
|                 ɵɵelement(0, 'blockquote', 0);
 | |
|               }
 | |
|             },
 | |
|         directives: [UnsafeUrlHostBindingDir]
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     const sanitizer = new LocalSanitizer((value) => 'http://bar');
 | |
| 
 | |
|     const fixture = new ComponentFixture(SimpleComp, {sanitizer});
 | |
|     hostBindingDir!.cite = 'http://foo';
 | |
|     fixture.update();
 | |
| 
 | |
|     const anchor = fixture.hostElement.querySelector('blockquote')!;
 | |
|     expect(anchor.getAttribute('cite')).toEqual('http://bar');
 | |
| 
 | |
|     hostBindingDir!.cite = sanitizer.bypassSecurityTrustUrl('http://foo');
 | |
|     fixture.update();
 | |
| 
 | |
|     expect(anchor.getAttribute('cite')).toEqual('http://foo');
 | |
|   });
 | |
| });
 | |
| 
 | |
| class LocalSanitizedValue {
 | |
|   constructor(public value: any) {}
 | |
|   toString() {
 | |
|     return this.value;
 | |
|   }
 | |
| }
 | |
| 
 | |
| class LocalSanitizer implements Sanitizer {
 | |
|   constructor(private _interceptor: (value: string|null|any) => string) {}
 | |
| 
 | |
|   sanitize(context: SecurityContext, value: LocalSanitizedValue|string|null): string|null {
 | |
|     if (value instanceof LocalSanitizedValue) {
 | |
|       return value.toString();
 | |
|     }
 | |
|     return this._interceptor(value);
 | |
|   }
 | |
| 
 | |
|   bypassSecurityTrustHtml(value: string) {}
 | |
|   bypassSecurityTrustStyle(value: string) {}
 | |
|   bypassSecurityTrustScript(value: string) {}
 | |
|   bypassSecurityTrustResourceUrl(value: string) {}
 | |
| 
 | |
|   bypassSecurityTrustUrl(value: string) {
 | |
|     return new LocalSanitizedValue(value);
 | |
|   }
 | |
| }
 | |
| 
 | |
| class ProxyRenderer3Factory implements RendererFactory3 {
 | |
|   lastCapturedType: RendererType2|null = null;
 | |
| 
 | |
|   createRenderer(hostElement: RElement|null, rendererType: RendererType2|null): Renderer3 {
 | |
|     this.lastCapturedType = rendererType;
 | |
|     return domRendererFactory3.createRenderer(hostElement, rendererType);
 | |
|   }
 | |
| }
 |