dom_element_schema_registry_spec.ts

import {HtmlElementAst} from '@angular/compiler/src/html_ast';
import {HtmlParser} from '@angular/compiler/src/html_parser';
import {DomElementSchemaRegistry} from '@angular/compiler/src/schema/dom_element_schema_registry';
import {beforeEach, ddescribe, describe, expect, iit, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
import {browserDetection} from '@angular/platform-browser/testing';

import {SecurityContext} from '../../core_private';

import {extractSchema} from './schema_extractor';

export function main() {
  describe('DOMElementSchema', () => {
    let registry: DomElementSchemaRegistry;
    beforeEach(() => { registry = new DomElementSchemaRegistry(); });

    it('should detect properties on regular elements', () => {
      expect(registry.hasProperty('div', 'id')).toBeTruthy();
      expect(registry.hasProperty('div', 'title')).toBeTruthy();
      expect(registry.hasProperty('h1', 'align')).toBeTruthy();
      expect(registry.hasProperty('h2', 'align')).toBeTruthy();
      expect(registry.hasProperty('h3', 'align')).toBeTruthy();
      expect(registry.hasProperty('h4', 'align')).toBeTruthy();
      expect(registry.hasProperty('h5', 'align')).toBeTruthy();
      expect(registry.hasProperty('h6', 'align')).toBeTruthy();
      expect(registry.hasProperty('h7', 'align')).toBeFalsy();
      expect(registry.hasProperty('textarea', 'disabled')).toBeTruthy();
      expect(registry.hasProperty('input', 'disabled')).toBeTruthy();
      expect(registry.hasProperty('div', 'unknown')).toBeFalsy();
    });

    it('should detect different kinds of types', () => {
      // inheritance: video => media => *
      expect(registry.hasProperty('video', 'className')).toBeTruthy();   // from *
      expect(registry.hasProperty('video', 'id')).toBeTruthy();          // string
      expect(registry.hasProperty('video', 'scrollLeft')).toBeTruthy();  // number
      expect(registry.hasProperty('video', 'height')).toBeTruthy();      // number
      expect(registry.hasProperty('video', 'autoplay')).toBeTruthy();    // boolean
      expect(registry.hasProperty('video', 'classList')).toBeTruthy();   // object
      // from *; but events are not properties
      expect(registry.hasProperty('video', 'click')).toBeFalsy();
    });

    it('should return true for custom-like elements',
       () => { expect(registry.hasProperty('custom-like', 'unknown')).toBeTruthy(); });

    it('should re-map property names that are specified in DOM facade',
       () => { expect(registry.getMappedPropName('readonly')).toEqual('readOnly'); });

    it('should not re-map property names that are not specified in DOM facade', () => {
      expect(registry.getMappedPropName('title')).toEqual('title');
      expect(registry.getMappedPropName('exotic-unknown')).toEqual('exotic-unknown');
    });

    it('should return security contexts for elements', () => {
      expect(registry.securityContext('iframe', 'srcdoc')).toBe(SecurityContext.HTML);
      expect(registry.securityContext('p', 'innerHTML')).toBe(SecurityContext.HTML);
      expect(registry.securityContext('a', 'href')).toBe(SecurityContext.URL);
      expect(registry.securityContext('a', 'style')).toBe(SecurityContext.STYLE);
      expect(registry.securityContext('ins', 'cite')).toBe(SecurityContext.URL);
      expect(registry.securityContext('base', 'href')).toBe(SecurityContext.RESOURCE_URL);
    });

    it('should detect properties on namespaced elements', () => {
      let htmlAst = new HtmlParser().parse('<svg:style>', 'TestComp');
      let nodeName = (<HtmlElementAst>htmlAst.rootNodes[0]).name;
      expect(registry.hasProperty(nodeName, 'type')).toBeTruthy();
    });

    it('should check security contexts case insensitive', () => {
      expect(registry.securityContext('p', 'iNnErHtMl')).toBe(SecurityContext.HTML);
      expect(registry.securityContext('p', 'formaction')).toBe(SecurityContext.URL);
      expect(registry.securityContext('p', 'formAction')).toBe(SecurityContext.URL);
    });

    describe('Angular custom elements', () => {
      it('should support <ng-container>',
         () => { expect(registry.hasProperty('ng-container', 'id')).toBeFalsy(); });

      it('should support <ng-content>', () => {
        expect(registry.hasProperty('ng-content', 'id')).toBeFalsy();
        expect(registry.hasProperty('ng-content', 'select')).toBeFalsy();
      });
    });

    if (browserDetection.isChromeDesktop) {
      it('generate a new schema', () => {
        let schema = '\n';
        extractSchema().forEach((props, name) => { schema += `'${name}|${props.join(',')}',\n`; });
        // Uncomment this line to see:
        // the generated schema which can then be pasted to the DomElementSchemaRegistry
        // console.log(schema);
      });
    }

  });
}