545 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
		
		
			
		
	
	
			545 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
|  | /** | ||
|  |  * @license | ||
|  |  * Copyright Google Inc. All Rights Reserved. | ||
|  |  * | ||
|  |  * Use of this source code is governed by an MIT-style license that can be | ||
|  |  * found in the LICENSE file at https://angular.io/license
 | ||
|  |  */ | ||
|  | 
 | ||
|  | import {inspect} from 'util'; | ||
|  | 
 | ||
|  | import {tsSourceMapBug29300Fixed} from '../../src/ngtsc/util/src/ts_source_map_bug_29300'; | ||
|  | 
 | ||
|  | import {NgtscTestEnvironment} from './env'; | ||
|  | import {SegmentMapping, getMappedSegments} from './sourcemap_utils'; | ||
|  | 
 | ||
|  | describe('template source-mapping', () => { | ||
|  |   let env !: NgtscTestEnvironment; | ||
|  | 
 | ||
|  |   beforeEach(() => { env = NgtscTestEnvironment.setup(); }); | ||
|  | 
 | ||
|  |   describe('Inline templates', () => { | ||
|  |     describe('(element creation)', () => { | ||
|  |       it('should map simple element with content', () => { | ||
|  |         const mappings = compileAndMap('<h1>Heading 1</h1>'); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<h1>', generated: 'i0.ɵelementStart(0, "h1")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: 'Heading 1', generated: 'i0.ɵtext(1, "Heading 1")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</h1>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map void element', () => { | ||
|  |         const mappings = compileAndMap('<hr>'); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<hr>', generated: 'i0.ɵelement(0, "hr")', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('(interpolations)', () => { | ||
|  |       it('should map a mix of interpolated and static content', () => { | ||
|  |         const mappings = compileAndMap('<h3>Hello {{ name }}</h3>'); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<h3>', generated: 'i0.ɵelementStart(0, "h3")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: 'Hello {{ name }}', | ||
|  |           generated: 'i0.ɵtextBinding(1, i0.ɵinterpolation1("Hello ", ctx.name, ""))', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</h3>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a complex interpolated expression', () => { | ||
|  |         const mappings = compileAndMap('<h2>{{ greeting + " " + name }}</h2>'); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<h2>', generated: 'i0.ɵelementStart(0, "h2")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '{{ greeting + " " + name }}', | ||
|  |           generated: | ||
|  |               'i0.ɵtextBinding(1, i0.ɵinterpolation1("", ((ctx.greeting + " ") + ctx.name), ""))', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</h2>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map interpolated properties', () => { | ||
|  |         const mappings = compileAndMap('<div id="{{name}}"></div>'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<div id="{{name}}"></div>', | ||
|  |           generated: 'i0.ɵelement(0, "div", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: 'id="{{name}}"', | ||
|  |           generated: 'i0.ɵelementProperty(0, "id", i0.ɵinterpolation1("", ctx.name, ""))', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map interpolation with pipe', () => { | ||
|  |         const mappings = compileAndMap('<div>{{200.3 | percent : 2 }}</div>'); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<div>', generated: 'i0.ɵelementStart(0, "div")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '{{200.3 | percent : 2 }}', | ||
|  |           generated: | ||
|  |               'i0.ɵtextBinding(1, i0.ɵinterpolation1("", i0.ɵpipeBind2(2, 1, 200.3, 2), ""))', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</div>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('(property bindings)', () => { | ||
|  |       it('should map a simple input binding expression', () => { | ||
|  |         const mappings = compileAndMap('<div [attr]="name"></div>'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<div [attr]="name"></div>', | ||
|  |           generated: 'i0.ɵelement(0, "div", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '[attr]="name"', | ||
|  |           generated: 'i0.ɵelementProperty(0, "attr", i0.ɵbind(ctx.name))', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a complex input binding expression', () => { | ||
|  |         const mappings = compileAndMap('<div [attr]="greeting + name"></div>'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<div [attr]="greeting + name"></div>', | ||
|  |           generated: 'i0.ɵelement(0, "div", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '[attr]="greeting + name"', | ||
|  |           generated: 'i0.ɵelementProperty(0, "attr", i0.ɵbind((ctx.greeting + ctx.name)))', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a longhand input binding expression', () => { | ||
|  |         const mappings = compileAndMap('<div bind-attr="name"></div>'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<div bind-attr="name"></div>', | ||
|  |           generated: 'i0.ɵelement(0, "div", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: 'bind-attr="name"', | ||
|  |           generated: 'i0.ɵelementProperty(0, "attr", i0.ɵbind(ctx.name))', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a simple output binding expression', () => { | ||
|  |         const mappings = compileAndMap('<button (click)="doSomething()">Do it</button>'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<button (click)="doSomething()">', | ||
|  |           generated: 'i0.ɵelementStart(0, "button", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: 'Do it', generated: 'i0.ɵtext(1, "Do it")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: 'doSomething()', generated: 'ctx.doSomething()', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</button>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a complex output binding expression', () => { | ||
|  |         const mappings = | ||
|  |             compileAndMap(`<button (click)="items.push('item' + items.length)">Add Item</button>`); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: `<button (click)="items.push('item' + items.length)">`, | ||
|  |           generated: 'i0.ɵelementStart(0, "button", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: 'Add Item', generated: 'i0.ɵtext(1, "Add Item")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: 'items.push(', generated: 'ctx.items.push((', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: `'item' `, generated: `"item"`, sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '+ items.length)', | ||
|  |           generated: ' + ctx.items.length))', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</button>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a longhand output binding expression', () => { | ||
|  |         const mappings = compileAndMap('<button on-click="doSomething()">Do it</button>'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<button on-click="doSomething()">', | ||
|  |           generated: 'i0.ɵelementStart(0, "button", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: 'Do it', generated: 'i0.ɵtext(1, "Do it")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: 'doSomething()', generated: 'ctx.doSomething()', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</button>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a two-way binding expression', () => { | ||
|  |         const mappings = compileAndMap('Name: <input [(ngModel)]="name">'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<input [(ngModel)]="name">', | ||
|  |           generated: 'i0.ɵelementStart(1, "input", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         // TODO: improve mappings here
 | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '[(ngModel)]="name"', | ||
|  |           generated: | ||
|  |               'i0.ɵlistener("ngModelChange", function TestCmp_Template_input_ngModelChange_1_listener($event) { return ctx.name = $event; })', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<input [(ngModel)]="name">', | ||
|  |           generated: 'i0.ɵelementEnd()', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a longhand two-way binding expression', () => { | ||
|  |         const mappings = compileAndMap('Name: <input bindon-ngModel="name">'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<input bindon-ngModel="name">', | ||
|  |           generated: 'i0.ɵelementStart(1, "input", _c0)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         // TODO: improve mappings here
 | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: 'bindon-ngModel="name"', | ||
|  |           generated: | ||
|  |               'i0.ɵlistener("ngModelChange", function TestCmp_Template_input_ngModelChange_1_listener($event) { return ctx.name = $event; })', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<input bindon-ngModel="name">', | ||
|  |           generated: 'i0.ɵelementEnd()', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map a class input binding', () => { | ||
|  |         const mappings = compileAndMap('<div [class.initial]="isInitial">Message</div>'); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<div [class.initial]="isInitial">', | ||
|  |           generated: 'i0.ɵelementStart(0, "div")', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  | 
 | ||
|  |         // TODO: Add better mappings for binding
 | ||
|  | 
 | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: 'Message', generated: 'i0.ɵtext(1, "Message")', sourceUrl: '../test.ts'}); | ||
|  | 
 | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</div>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('(structural directives)', () => { | ||
|  |       it('should map *ngIf scenario', () => { | ||
|  |         const mappings = compileAndMap('<div *ngIf="showMessage()">{{ name }}</div>'); | ||
|  | 
 | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<div *ngIf="showMessage()">', | ||
|  |           generated: 'i0.ɵelementStart(0, "div")', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  | 
 | ||
|  |         // TODO - map the bindings better
 | ||
|  | 
 | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</div>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  | 
 | ||
|  |         // TODO: the `ctx_r...` appears to be dependent upon previous tests!!!
 | ||
|  | 
 | ||
|  |         // expect(mappings).toContain({
 | ||
|  |         //   source: '{{ name }}',
 | ||
|  |         //   generated: 'i0.ɵtextBinding(1, i0.ɵinterpolation1("", ctx_r0.name, ""))',
 | ||
|  |         //   sourceUrl: '../test.ts'
 | ||
|  |         // });
 | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map ng-template [ngIf] scenario', () => { | ||
|  |         const mappings = compileAndMap( | ||
|  |             `<ng-template [ngIf]="showMessage()">\n` + | ||
|  |             `  <div>{{ name }}</div>\n` + | ||
|  |             `  <hr>\n` + | ||
|  |             `</ng-template>`); | ||
|  | 
 | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<div>', generated: 'i0.ɵelementStart(0, "div")', sourceUrl: '../test.ts'}); | ||
|  | 
 | ||
|  |         // TODO - map the bindings better
 | ||
|  | 
 | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</div>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  | 
 | ||
|  |         // TODO: the `ctx_r...` appears to be dependent upon previous tests!!!
 | ||
|  | 
 | ||
|  |         // expect(mappings).toContain({
 | ||
|  |         //   source: '{{ name }}',
 | ||
|  |         //   generated: 'i0.ɵtextBinding(1, i0.ɵinterpolation1("", ctx_r0.name, ""))',
 | ||
|  |         //   sourceUrl: '../test.ts'
 | ||
|  |         // });
 | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map *ngFor scenario', () => { | ||
|  |         const mappings = compileAndMap( | ||
|  |             '<div *ngFor="let item of items; index as i; trackBy: trackByFn">{{ item }}</div>'); | ||
|  | 
 | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<div *ngFor="let item of items; index as i; trackBy: trackByFn">', | ||
|  |           generated: 'i0.ɵelementStart(0, "div")', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  | 
 | ||
|  |         // TODO - map the bindings better
 | ||
|  | 
 | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</div>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  | 
 | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should map ng-template [ngFor] scenario', () => { | ||
|  |         const mappings = | ||
|  |             compileAndMap(`<ng-template ngFor [ngForOf]="items" let-item>{{ item }}</ng-template>`); | ||
|  | 
 | ||
|  |         // TODO - map the bindings better
 | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('(content projection)', () => { | ||
|  |       it('should map default and selected projection', () => { | ||
|  |         const mappings = compileAndMap( | ||
|  |             `<h3><ng-content select="title"></ng-content></h3>\n` + | ||
|  |             `<div><ng-content></ng-content></div>`); | ||
|  | 
 | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<h3>', generated: 'i0.ɵelementStart(0, "h3")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain({ | ||
|  |           source: '<ng-content select="title">', | ||
|  |           generated: 'i0.ɵprojection(1, 1)', | ||
|  |           sourceUrl: '../test.ts' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</h3>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<div>', generated: 'i0.ɵelementStart(2, "div")', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '<ng-content>', generated: 'i0.ɵprojection(3)', sourceUrl: '../test.ts'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {source: '</div>', generated: 'i0.ɵelementEnd()', sourceUrl: '../test.ts'}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should create (simple string) inline template source-mapping', () => { | ||
|  |       const mappings = compileAndMap('<div>this is a test</div><div>{{ 1 + 2 }}</div>'); | ||
|  | 
 | ||
|  |       // Creation mode
 | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵelementStart(0, "div")', source: '<div>', sourceUrl: '../test.ts'}); | ||
|  |       expect(mappings).toContain({ | ||
|  |         generated: 'i0.ɵtext(1, "this is a test")', | ||
|  |         source: 'this is a test', | ||
|  |         sourceUrl: '../test.ts' | ||
|  |       }); | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵelementEnd()', source: '</div>', sourceUrl: '../test.ts'}); | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵelementStart(2, "div")', source: '<div>', sourceUrl: '../test.ts'}); | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵtext(3)', source: '{{ 1 + 2 }}', sourceUrl: '../test.ts'}); | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵelementEnd()', source: '</div>', sourceUrl: '../test.ts'}); | ||
|  | 
 | ||
|  |       // Update mode
 | ||
|  |       expect(mappings).toContain({ | ||
|  |         generated: 'i0.ɵtextBinding(3, i0.ɵinterpolation1("", (1 + 2), ""))', | ||
|  |         source: '{{ 1 + 2 }}', | ||
|  |         sourceUrl: '../test.ts' | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should create (simple backtick string) inline template source-mapping', () => { | ||
|  |       const mappings = compileAndMap('<div>this is a test</div><div>{{ 1 + 2 }}</div>'); | ||
|  | 
 | ||
|  |       // Creation mode
 | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵelementStart(0, "div")', source: '<div>', sourceUrl: '../test.ts'}); | ||
|  |       expect(mappings).toContain({ | ||
|  |         generated: 'i0.ɵtext(1, "this is a test")', | ||
|  |         source: 'this is a test', | ||
|  |         sourceUrl: '../test.ts' | ||
|  |       }); | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵelementEnd()', source: '</div>', sourceUrl: '../test.ts'}); | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵelementStart(2, "div")', source: '<div>', sourceUrl: '../test.ts'}); | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵtext(3)', source: '{{ 1 + 2 }}', sourceUrl: '../test.ts'}); | ||
|  |       expect(mappings).toContain( | ||
|  |           {generated: 'i0.ɵelementEnd()', source: '</div>', sourceUrl: '../test.ts'}); | ||
|  | 
 | ||
|  |       // Update mode
 | ||
|  |       expect(mappings).toContain({ | ||
|  |         generated: 'i0.ɵtextBinding(3, i0.ɵinterpolation1("", (1 + 2), ""))', | ||
|  |         source: '{{ 1 + 2 }}', | ||
|  |         sourceUrl: '../test.ts' | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should create correct inline template source-mapping when the source contains escape sequences', | ||
|  |        () => { | ||
|  |          // Note that the escaped double quotes, which need un-escaping to be parsed correctly.
 | ||
|  |          const mappings = compileAndMap('<div class=\\"some-class\\">this is a test</div>'); | ||
|  | 
 | ||
|  |          expect(mappings).toContain({ | ||
|  |            generated: 'i0.ɵelementStart(0, "div", _c0)', | ||
|  |            source: '<div class=\\"some-class\\">', | ||
|  |            sourceUrl: '../test.ts' | ||
|  |          }); | ||
|  | 
 | ||
|  |          const c2Mapping = | ||
|  |              mappings.find(mapping => /var _c0 = \[1, "some-class"\];/.test(mapping.generated)); | ||
|  |          expect(c2Mapping).toBeDefined(); | ||
|  |        }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   if (tsSourceMapBug29300Fixed()) { | ||
|  |     describe('External templates (where TS supports source-mapping)', () => { | ||
|  |       it('should create external template source-mapping', () => { | ||
|  |         const mappings = | ||
|  |             compileAndMap('<div>this is a test</div><div>{{ 1 + 2 }}</div>', './dir/test.html'); | ||
|  | 
 | ||
|  |         // Creation mode
 | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵelementStart(0, "div")', | ||
|  |           source: '<div>', | ||
|  |           sourceUrl: '../dir/test.html' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵtext(1, "this is a test")', | ||
|  |           source: 'this is a test', | ||
|  |           sourceUrl: '../dir/test.html' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {generated: 'i0.ɵelementEnd()', source: '</div>', sourceUrl: '../dir/test.html'}); | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵelementStart(2, "div")', | ||
|  |           source: '<div>', | ||
|  |           sourceUrl: '../dir/test.html' | ||
|  |         }); | ||
|  |         expect(mappings).toContain( | ||
|  |             {generated: 'i0.ɵtext(3)', source: '{{ 1 + 2 }}', sourceUrl: '../dir/test.html'}); | ||
|  |         expect(mappings).toContain( | ||
|  |             {generated: 'i0.ɵelementEnd()', source: '</div>', sourceUrl: '../dir/test.html'}); | ||
|  | 
 | ||
|  |         // Update mode
 | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵtextBinding(3, i0.ɵinterpolation1("", (1 + 2), ""))', | ||
|  |           source: '{{ 1 + 2 }}', | ||
|  |           sourceUrl: '../dir/test.html' | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('should create correct mappings when templateUrl is in a different rootDir', () => { | ||
|  |         const mappings = compileAndMap( | ||
|  |             '<div>this is a test</div><div>{{ 1 + 2 }}</div>', 'extraRootDir/test.html'); | ||
|  | 
 | ||
|  |         // Creation mode
 | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵelementStart(0, "div")', | ||
|  |           source: '<div>', | ||
|  |           sourceUrl: '../extraRootDir/test.html' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵtext(1, "this is a test")', | ||
|  |           source: 'this is a test', | ||
|  |           sourceUrl: '../extraRootDir/test.html' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵelementEnd()', | ||
|  |           source: '</div>', | ||
|  |           sourceUrl: '../extraRootDir/test.html' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵelementStart(2, "div")', | ||
|  |           source: '<div>', | ||
|  |           sourceUrl: '../extraRootDir/test.html' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵtext(3)', | ||
|  |           source: '{{ 1 + 2 }}', | ||
|  |           sourceUrl: '../extraRootDir/test.html' | ||
|  |         }); | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵelementEnd()', | ||
|  |           source: '</div>', | ||
|  |           sourceUrl: '../extraRootDir/test.html' | ||
|  |         }); | ||
|  | 
 | ||
|  |         // Update mode
 | ||
|  |         expect(mappings).toContain({ | ||
|  |           generated: 'i0.ɵtextBinding(3, i0.ɵinterpolation1("", (1 + 2), ""))', | ||
|  |           source: '{{ 1 + 2 }}', | ||
|  |           sourceUrl: '../extraRootDir/test.html' | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   } | ||
|  | 
 | ||
|  |   function compileAndMap(template: string, templateUrl: string | null = null) { | ||
|  |     const templateConfig = templateUrl ? `templateUrl: '${templateUrl}'` : | ||
|  |                                          ('template: `' + template.replace(/`/g, '\\`') + '`'); | ||
|  |     env.tsconfig({sourceMap: true}); | ||
|  |     env.write('test.ts', `
 | ||
|  |         import {Component} from '@angular/core'; | ||
|  | 
 | ||
|  |         @Component({ | ||
|  |           selector: 'test-cmp', | ||
|  |           ${templateConfig} | ||
|  |         }) | ||
|  |         export class TestCmp {} | ||
|  |     `);
 | ||
|  |     if (templateUrl) { | ||
|  |       env.write(templateUrl, template); | ||
|  |     } | ||
|  |     env.driveMain(); | ||
|  |     return getMappedSegments(env, 'test.js'); | ||
|  |   } | ||
|  | 
 | ||
|  |   /** | ||
|  |    * Helper function for debugging failed mappings. | ||
|  |    * This lays out the segment mappings in the console to make it easier to compare. | ||
|  |    */ | ||
|  |   function dumpMappings(mappings: SegmentMapping[]) { | ||
|  |     mappings.forEach(map => { | ||
|  |       // tslint:disable-next-line:no-console
 | ||
|  |       console.log( | ||
|  |           padValue(map.sourceUrl, 20, 0) + ' : ' + padValue(inspect(map.source), 100, 23) + ' : ' + | ||
|  |           inspect(map.generated)); | ||
|  |     }); | ||
|  |     function padValue(value: string, max: number, start: number) { | ||
|  |       const padding = value.length > max ? ('\n' + | ||
|  |                                             ' '.repeat(max + start)) : | ||
|  |                                            ' '.repeat(max - value.length); | ||
|  |       return value + padding; | ||
|  |     } | ||
|  |   } | ||
|  | }); |