212 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			212 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {
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  AsyncTestCompleter,
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  beforeEach,
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  ddescribe,
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  describe,
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  el,
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  expect,
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  iit,
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  inject,
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  it,
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  xit,
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} from 'angular2/test_lib';
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import {DOM} from 'angular2/src/dom/dom_adapter';
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import {ViewLoader} from 'angular2/src/render/dom/compiler/view_loader';
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import {StyleInliner} from 'angular2/src/render/dom/compiler/style_inliner';
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import {StyleUrlResolver} from 'angular2/src/render/dom/compiler/style_url_resolver';
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import {UrlResolver} from 'angular2/src/services/url_resolver';
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import {ViewDefinition} from 'angular2/src/render/api';
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import {PromiseWrapper, Promise} from 'angular2/src/facade/async';
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import {MapWrapper, ListWrapper} from 'angular2/src/facade/collection';
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import {XHR} from 'angular2/src/render/xhr';
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import {MockXHR} from 'angular2/src/render/xhr_mock';
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export function main() {
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  describe('ViewLoader', () => {
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    var loader, xhr, styleUrlResolver, urlResolver;
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    beforeEach(() => {
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      xhr = new MockXHR();
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      urlResolver = new UrlResolver();
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      styleUrlResolver = new StyleUrlResolver(urlResolver);
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      let styleInliner = new StyleInliner(xhr, styleUrlResolver, urlResolver);
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      loader = new ViewLoader(xhr, styleInliner, styleUrlResolver);
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    });
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    describe('html', () => {
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      it('should load inline templates', inject([AsyncTestCompleter], (async) => {
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           var view = new ViewDefinition({template: 'template template'});
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           loader.load(view).then((el) => {
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             expect(DOM.content(el)).toHaveText('template template');
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             async.done();
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           });
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         }));
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      it('should load templates through XHR', inject([AsyncTestCompleter], (async) => {
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           xhr.expect('http://ng.io/foo.html', 'xhr template');
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           var view = new ViewDefinition({templateAbsUrl: 'http://ng.io/foo.html'});
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           loader.load(view).then((el) => {
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             expect(DOM.content(el)).toHaveText('xhr template');
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             async.done();
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           });
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           xhr.flush();
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         }));
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      it('should resolve urls in styles', inject([AsyncTestCompleter], (async) => {
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           xhr.expect('http://ng.io/foo.html',
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                      '<style>.foo { background-image: url("double.jpg"); }</style>');
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           var view = new ViewDefinition({templateAbsUrl: 'http://ng.io/foo.html'});
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           loader.load(view).then((el) => {
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             expect(DOM.content(el))
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                 .toHaveText(".foo { background-image: url('http://ng.io/double.jpg'); }");
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             async.done();
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           });
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           xhr.flush();
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         }));
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      it('should inline styles', inject([AsyncTestCompleter], (async) => {
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           let xhr = new FakeXHR();
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           xhr.reply('http://ng.io/foo.html', '<style>@import "foo.css";</style>');
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           xhr.reply('http://ng.io/foo.css', '/* foo.css */');
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           let styleInliner = new StyleInliner(xhr, styleUrlResolver, urlResolver);
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           let loader = new ViewLoader(xhr, styleInliner, styleUrlResolver);
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           var view = new ViewDefinition({templateAbsUrl: 'http://ng.io/foo.html'});
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           loader.load(view).then((el) => {
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             expect(DOM.getInnerHTML(el)).toEqual("<style>/* foo.css */\n</style>");
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             async.done();
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           });
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         }));
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      it('should return a new template element on each call',
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         inject([AsyncTestCompleter], (async) => {
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           var firstEl;
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           // we have only one xhr.expect, so there can only be one xhr call!
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           xhr.expect('http://ng.io/foo.html', 'xhr template');
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           var view = new ViewDefinition({templateAbsUrl: 'http://ng.io/foo.html'});
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           loader.load(view)
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               .then((el) => {
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                 expect(DOM.content(el)).toHaveText('xhr template');
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                 firstEl = el;
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                 return loader.load(view);
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               })
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               .then((el) => {
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                 expect(el).not.toBe(firstEl);
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                 expect(DOM.content(el)).toHaveText('xhr template');
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                 async.done();
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               });
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           xhr.flush();
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         }));
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      it('should throw when no template is defined', () => {
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        var view = new ViewDefinition({template: null, templateAbsUrl: null});
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        expect(() => loader.load(view))
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            .toThrowError('View should have either the templateUrl or template property set');
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      });
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      it('should return a rejected Promise when XHR loading fails',
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         inject([AsyncTestCompleter], (async) => {
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           xhr.expect('http://ng.io/foo.html', null);
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           var view = new ViewDefinition({templateAbsUrl: 'http://ng.io/foo.html'});
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           PromiseWrapper.then(loader.load(view), function(_) { throw 'Unexpected response'; },
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                               function(error) {
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                                 expect(error.message)
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                                     .toEqual('Failed to fetch url "http://ng.io/foo.html"');
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                                 async.done();
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                               });
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           xhr.flush();
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         }));
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    });
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    describe('css', () => {
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      it('should load inline styles', inject([AsyncTestCompleter], (async) => {
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           var view = new ViewDefinition({template: 'html', styles: ['style 1', 'style 2']});
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           loader.load(view).then((el) => {
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             expect(DOM.getInnerHTML(el))
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                 .toEqual('<style>style 1</style><style>style 2</style>html');
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             async.done();
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           });
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         }));
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      it('should resolve urls in inline styles', inject([AsyncTestCompleter], (async) => {
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           xhr.expect('http://ng.io/foo.html', 'html');
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           var view = new ViewDefinition({
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             templateAbsUrl: 'http://ng.io/foo.html',
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             styles: ['.foo { background-image: url("double.jpg"); }']
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           });
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           loader.load(view).then((el) => {
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             expect(DOM.getInnerHTML(el))
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                 .toEqual(
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                     "<style>.foo { background-image: url('http://ng.io/double.jpg'); }</style>html");
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             async.done();
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           });
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           xhr.flush();
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         }));
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      it('should load templates through XHR', inject([AsyncTestCompleter], (async) => {
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           xhr.expect('http://ng.io/foo.html', 'xhr template');
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           xhr.expect('http://ng.io/foo-1.css', '1');
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           xhr.expect('http://ng.io/foo-2.css', '2');
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           var view = new ViewDefinition({
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             templateAbsUrl: 'http://ng.io/foo.html',
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             styles: ['i1'],
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             styleAbsUrls: ['http://ng.io/foo-1.css', 'http://ng.io/foo-2.css']
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           });
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           loader.load(view).then((el) => {
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             expect(DOM.getInnerHTML(el))
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                 .toEqual('<style>i1</style><style>1</style><style>2</style>xhr template');
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             async.done();
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           });
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           xhr.flush();
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         }));
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      it('should inline styles', inject([AsyncTestCompleter], (async) => {
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           let xhr = new FakeXHR();
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           xhr.reply('http://ng.io/foo.html', '<p>template</p>');
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           xhr.reply('http://ng.io/foo.css', '/* foo.css */');
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           let styleInliner = new StyleInliner(xhr, styleUrlResolver, urlResolver);
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           let loader = new ViewLoader(xhr, styleInliner, styleUrlResolver);
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           var view = new ViewDefinition(
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               {templateAbsUrl: 'http://ng.io/foo.html', styles: ['@import "foo.css";']});
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           loader.load(view).then((el) => {
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             expect(DOM.getInnerHTML(el)).toEqual("<style>/* foo.css */\n</style><p>template</p>");
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             async.done();
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           });
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         }));
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      it('should return a rejected Promise when XHR loading fails',
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         inject([AsyncTestCompleter], (async) => {
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           xhr.expect('http://ng.io/foo.css', null);
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           var view = new ViewDefinition({template: '', styleAbsUrls: ['http://ng.io/foo.css']});
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           PromiseWrapper.then(loader.load(view), function(_) { throw 'Unexpected response'; },
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                               function(error) {
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                                 expect(error.message)
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                                     .toEqual('Failed to fetch url "http://ng.io/foo.css"');
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                                 async.done();
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                               });
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           xhr.flush();
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         }));
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    });
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  });
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}
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class SomeComponent {}
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class FakeXHR extends XHR {
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  _responses: Map<string, string> = new Map();
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  constructor() { super(); }
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  get(url: string): Promise<string> {
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    return this._responses.has(url) ? PromiseWrapper.resolve(this._responses.get(url)) :
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                                      PromiseWrapper.reject('xhr error', null);
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  }
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  reply(url: string, response: string): void { this._responses.set(url, response); }
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}
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