angular-docs-cn/modules/@angular/compiler/test/style_url_resolver_spec.ts

117 lines
4.2 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 {extractStyleUrls, isStyleUrlResolvable} from '@angular/compiler/src/style_url_resolver';
import {UrlResolver} from '@angular/compiler/src/url_resolver';
export function main() {
describe('extractStyleUrls', () => {
var urlResolver: UrlResolver;
beforeEach(() => { urlResolver = new UrlResolver(); });
it('should not resolve "url()" urls', () => {
var css = `
.foo {
background-image: url("double.jpg");
background-image: url('simple.jpg');
background-image: url(noquote.jpg);
}`;
var resolvedCss = extractStyleUrls(urlResolver, 'http://ng.io', css).style;
expect(resolvedCss).toEqual(css);
});
it('should extract "@import" urls', () => {
var css = `
@import '1.css';
@import "2.css";
`;
var styleWithImports = extractStyleUrls(urlResolver, 'http://ng.io', css);
expect(styleWithImports.style.trim()).toEqual('');
expect(styleWithImports.styleUrls).toEqual(['http://ng.io/1.css', 'http://ng.io/2.css']);
});
it('should extract "@import url()" urls', () => {
var css = `
@import url('3.css');
@import url("4.css");
@import url(5.css);
`;
var styleWithImports = extractStyleUrls(urlResolver, 'http://ng.io', css);
expect(styleWithImports.style.trim()).toEqual('');
expect(styleWithImports.styleUrls).toEqual([
'http://ng.io/3.css', 'http://ng.io/4.css', 'http://ng.io/5.css'
]);
});
it('should extract "@import urls and keep rules in the same line', () => {
var css = `@import url('some.css');div {color: red};`;
var styleWithImports = extractStyleUrls(urlResolver, 'http://ng.io', css);
expect(styleWithImports.style.trim()).toEqual('div {color: red};');
expect(styleWithImports.styleUrls).toEqual(['http://ng.io/some.css']);
});
it('should extract media query in "@import"', () => {
var css = `
@import 'print1.css' print;
@import url(print2.css) print;
`;
var styleWithImports = extractStyleUrls(urlResolver, 'http://ng.io', css);
expect(styleWithImports.style.trim()).toEqual('');
expect(styleWithImports.styleUrls).toEqual([
'http://ng.io/print1.css', 'http://ng.io/print2.css'
]);
});
it('should leave absolute non-package @import urls intact', () => {
var css = `@import url('http://server.com/some.css');`;
var styleWithImports = extractStyleUrls(urlResolver, 'http://ng.io', css);
expect(styleWithImports.style.trim()).toEqual(`@import url('http://server.com/some.css');`);
expect(styleWithImports.styleUrls).toEqual([]);
});
it('should resolve package @import urls', () => {
var css = `@import url('package:a/b/some.css');`;
var styleWithImports = extractStyleUrls(new FakeUrlResolver(), 'http://ng.io', css);
expect(styleWithImports.style.trim()).toEqual(``);
expect(styleWithImports.styleUrls).toEqual(['fake_resolved_url']);
});
});
describe('isStyleUrlResolvable', () => {
it('should resolve relative urls',
() => { expect(isStyleUrlResolvable('someUrl.css')).toBe(true); });
it('should resolve package: urls',
() => { expect(isStyleUrlResolvable('package:someUrl.css')).toBe(true); });
it('should resolve asset: urls',
() => { expect(isStyleUrlResolvable('asset:someUrl.css')).toBe(true); });
it('should not resolve empty urls', () => {
expect(isStyleUrlResolvable(null)).toBe(false);
expect(isStyleUrlResolvable('')).toBe(false);
});
it('should not resolve urls with other schema',
() => { expect(isStyleUrlResolvable('http://otherurl')).toBe(false); });
it('should not resolve urls with absolute paths', () => {
expect(isStyleUrlResolvable('/otherurl')).toBe(false);
expect(isStyleUrlResolvable('//otherurl')).toBe(false);
});
});
}
class FakeUrlResolver extends UrlResolver {
constructor() { super(); }
resolve(baseUrl: string, url: string): string { return 'fake_resolved_url'; }
}