116 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import {
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|   beforeEach,
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|   ddescribe,
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|   describe,
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|   expect,
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|   iit,
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|   it,
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| } from '@angular/core/testing/testing_internal';
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| 
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| import {stringify} from '../src/facade/lang';
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| import {MockViewResolver} from '../testing';
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| import {Component, ViewMetadata} from '@angular/core';
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| import {isBlank} from '../src/facade/lang';
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| 
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| export function main() {
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|   describe('MockViewResolver', () => {
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|     var viewResolver: MockViewResolver;
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| 
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|     beforeEach(() => { viewResolver = new MockViewResolver(); });
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| 
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|     describe('View overriding', () => {
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|       it('should fallback to the default ViewResolver when templates are not overridden', () => {
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|         var view = viewResolver.resolve(SomeComponent);
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|         expect(view.template).toEqual('template');
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|         expect(view.directives).toEqual([SomeDirective]);
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|       });
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| 
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|       it('should allow overriding the @View', () => {
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|         viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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|         var view = viewResolver.resolve(SomeComponent);
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|         expect(view.template).toEqual('overridden template');
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|         expect(isBlank(view.directives)).toBe(true);
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| 
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|       });
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| 
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|       it('should not allow overriding a view after it has been resolved', () => {
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|         viewResolver.resolve(SomeComponent);
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|         expect(() => {
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|           viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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|         })
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|             .toThrowError(
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|                 `The component ${stringify(SomeComponent)} has already been compiled, its configuration can not be changed`);
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|       });
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|     });
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| 
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|     describe('inline template definition overriding', () => {
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|       it('should allow overriding the default template', () => {
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|         viewResolver.setInlineTemplate(SomeComponent, 'overridden template');
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|         var view = viewResolver.resolve(SomeComponent);
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|         expect(view.template).toEqual('overridden template');
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|         expect(view.directives).toEqual([SomeDirective]);
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|       });
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| 
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|       it('should allow overriding an overridden @View', () => {
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|         viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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|         viewResolver.setInlineTemplate(SomeComponent, 'overridden template x 2');
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|         var view = viewResolver.resolve(SomeComponent);
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|         expect(view.template).toEqual('overridden template x 2');
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|       });
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| 
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|       it('should not allow overriding a view after it has been resolved', () => {
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|         viewResolver.resolve(SomeComponent);
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|         expect(() => { viewResolver.setInlineTemplate(SomeComponent, 'overridden template'); })
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|             .toThrowError(
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|                 `The component ${stringify(SomeComponent)} has already been compiled, its configuration can not be changed`);
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|       });
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|     });
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| 
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| 
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|     describe('Directive overriding', () => {
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|       it('should allow overriding a directive from the default view', () => {
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|         viewResolver.overrideViewDirective(SomeComponent, SomeDirective, SomeOtherDirective);
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|         var view = viewResolver.resolve(SomeComponent);
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|         expect(view.directives.length).toEqual(1);
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|         expect(view.directives[0]).toBe(SomeOtherDirective);
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|       });
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| 
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|       it('should allow overriding a directive from an overridden @View', () => {
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|         viewResolver.setView(SomeComponent, new ViewMetadata({directives: [SomeOtherDirective]}));
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|         viewResolver.overrideViewDirective(SomeComponent, SomeOtherDirective, SomeComponent);
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|         var view = viewResolver.resolve(SomeComponent);
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|         expect(view.directives.length).toEqual(1);
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|         expect(view.directives[0]).toBe(SomeComponent);
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|       });
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| 
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|       it('should throw when the overridden directive is not present', () => {
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|         viewResolver.overrideViewDirective(SomeComponent, SomeOtherDirective, SomeDirective);
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|         expect(() => { viewResolver.resolve(SomeComponent); })
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|             .toThrowError(
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|                 `Overriden directive ${stringify(SomeOtherDirective)} not found in the template of ${stringify(SomeComponent)}`);
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|       });
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| 
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|       it('should not allow overriding a directive after its view has been resolved', () => {
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|         viewResolver.resolve(SomeComponent);
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|         expect(() => {
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|           viewResolver.overrideViewDirective(SomeComponent, SomeDirective, SomeOtherDirective);
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|         })
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|             .toThrowError(
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|                 `The component ${stringify(SomeComponent)} has already been compiled, its configuration can not be changed`);
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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 SomeDirective {}
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| 
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| @Component({
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|   selector: 'cmp',
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|   template: 'template',
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|   directives: [SomeDirective],
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| })
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| class SomeComponent {
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| }
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| 
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| class SomeOtherDirective {}
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