60 lines
1.8 KiB
TypeScript
60 lines
1.8 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 {beforeEach, describe, it} from '@angular/core/testing/src/testing_internal';
|
|
import {getDOM} from '@angular/platform-browser/src/dom/dom_adapter';
|
|
import {DomSharedStylesHost} from '@angular/platform-browser/src/dom/shared_styles_host';
|
|
import {expect} from '@angular/platform-browser/testing/src/matchers';
|
|
|
|
{
|
|
describe('DomSharedStylesHost', () => {
|
|
let doc: Document;
|
|
let ssh: DomSharedStylesHost;
|
|
let someHost: Element;
|
|
beforeEach(() => {
|
|
doc = getDOM().createHtmlDocument();
|
|
doc.title = '';
|
|
ssh = new DomSharedStylesHost(doc);
|
|
someHost = getDOM().createElement('div');
|
|
});
|
|
|
|
it('should add existing styles to new hosts', () => {
|
|
ssh.addStyles(['a {};']);
|
|
ssh.addHost(someHost);
|
|
expect(someHost.innerHTML).toEqual('<style>a {};</style>');
|
|
});
|
|
|
|
it('should add new styles to hosts', () => {
|
|
ssh.addHost(someHost);
|
|
ssh.addStyles(['a {};']);
|
|
expect(someHost.innerHTML).toEqual('<style>a {};</style>');
|
|
});
|
|
|
|
it('should add styles only once to hosts', () => {
|
|
ssh.addStyles(['a {};']);
|
|
ssh.addHost(someHost);
|
|
ssh.addStyles(['a {};']);
|
|
expect(someHost.innerHTML).toEqual('<style>a {};</style>');
|
|
});
|
|
|
|
it('should use the document head as default host', () => {
|
|
ssh.addStyles(['a {};', 'b {};']);
|
|
expect(doc.head).toHaveText('a {};b {};');
|
|
});
|
|
|
|
it('should remove style nodes on destroy', () => {
|
|
ssh.addStyles(['a {};']);
|
|
ssh.addHost(someHost);
|
|
expect(someHost.innerHTML).toEqual('<style>a {};</style>');
|
|
|
|
ssh.ngOnDestroy();
|
|
expect(someHost.innerHTML).toEqual('');
|
|
});
|
|
});
|
|
}
|