52 lines
1.6 KiB
TypeScript
52 lines
1.6 KiB
TypeScript
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {DomElementSchemaRegistry} from '@angular/compiler';
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import {SchemaInformation} from '../src/html_info';
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describe('html_info', () => {
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const domRegistry = new DomElementSchemaRegistry();
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it('should have the same elements as the dom registry', () => {
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// If this test fails, replace the SCHEMA constant in html_info with the one
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// from dom_element_schema_registry and also verify the code to interpret
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// the schema is the same.
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const domElements = domRegistry.allKnownElementNames();
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const infoElements = SchemaInformation.instance.allKnownElements();
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const uniqueToDom = uniqueElements(infoElements, domElements);
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const uniqueToInfo = uniqueElements(domElements, infoElements);
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expect(uniqueToDom).toEqual([]);
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expect(uniqueToInfo).toEqual([]);
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});
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it('should have at least a sub-set of properties', () => {
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const elements = SchemaInformation.instance.allKnownElements();
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for (const element of elements) {
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for (const prop of SchemaInformation.instance.propertiesOf(element)) {
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expect(domRegistry.hasProperty(element, prop, []));
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}
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}
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});
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});
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function uniqueElements<T>(a: T[], b: T[]): T[] {
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const s = new Set<T>();
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for (const aItem of a) {
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s.add(aItem);
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}
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const result: T[] = [];
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const reported = new Set<T>();
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for (const bItem of b) {
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if (!s.has(bItem) && !reported.has(bItem)) {
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reported.add(bItem);
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result.push(bItem);
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}
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}
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return result;
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}
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