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			206 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			206 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/**
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 * Copyright 2018 Google Inc. All rights reserved.
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 * Modifications copyright (c) Microsoft Corporation.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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module.exports.addTests = function({testRunner, expect, CHROME, FFOX, WEBKIT}) {
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  const {describe, xdescribe, fdescribe} = testRunner;
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  const {it, fit, xit} = testRunner;
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  const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
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  describe('Page.evaluateHandle', function() {
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    it('should work', async({page, server}) => {
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      const windowHandle = await page.evaluateHandle(() => window);
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      expect(windowHandle).toBeTruthy();
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    });
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    it('should accept object handle as an argument', async({page, server}) => {
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      const navigatorHandle = await page.evaluateHandle(() => navigator);
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      const text = await page.evaluate(e => e.userAgent, navigatorHandle);
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      expect(text).toContain('Mozilla');
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    });
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    it('should accept object handle to primitive types', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => 5);
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      const isFive = await page.evaluate(e => Object.is(e, 5), aHandle);
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      expect(isFive).toBeTruthy();
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    });
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    it('should warn on nested object handles', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => document.body);
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      let error = null;
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      await page.evaluateHandle(
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          opts => opts.elem.querySelector('p'),
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          { elem: aHandle }
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      ).catch(e => error = e);
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      expect(error.message).toContain('Are you passing a nested JSHandle?');
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    });
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    it('should accept object handle to unserializable value', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => Infinity);
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      expect(await page.evaluate(e => Object.is(e, Infinity), aHandle)).toBe(true);
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    });
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    it('should use the same JS wrappers', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => {
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        window.FOO = 123;
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        return window;
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      });
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      expect(await page.evaluate(e => e.FOO, aHandle)).toBe(123);
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    });
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    it('should work with primitives', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => {
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        window.FOO = 123;
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        return window;
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      });
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      expect(await page.evaluate(e => e.FOO, aHandle)).toBe(123);
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    });
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  });
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  describe('JSHandle.getProperty', function() {
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    it('should work', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => ({
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        one: 1,
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        two: 2,
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        three: 3
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      }));
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      const twoHandle = await aHandle.getProperty('two');
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      expect(await twoHandle.jsonValue()).toEqual(2);
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    });
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  });
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  describe('JSHandle.jsonValue', function() {
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    it('should work', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => ({foo: 'bar'}));
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      const json = await aHandle.jsonValue();
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      expect(json).toEqual({foo: 'bar'});
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    });
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    it.skip(FFOX)('should not work with dates', async({page, server}) => {
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      const dateHandle = await page.evaluateHandle(() => new Date('2017-09-26T00:00:00.000Z'));
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      const json = await dateHandle.jsonValue();
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      expect(json).toEqual({});
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    });
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    it('should throw for circular objects', async({page, server}) => {
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      const windowHandle = await page.evaluateHandle('window');
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      let error = null;
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      await windowHandle.jsonValue().catch(e => error = e);
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      if (WEBKIT)
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        expect(error.message).toContain('Object has too long reference chain');
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      else if (CHROME)
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        expect(error.message).toContain('Object reference chain is too long');
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      else if (FFOX)
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        expect(error.message).toContain('Object is not serializable');
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    });
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    it('should work with tricky values', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => ({a: 1}));
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      const json = await aHandle.jsonValue();
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      expect(json).toEqual({a: 1});
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    });
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  });
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  describe('JSHandle.getProperties', function() {
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    it('should work', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => ({
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        foo: 'bar'
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      }));
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      const properties = await aHandle.getProperties();
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      const foo = properties.get('foo');
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      expect(foo).toBeTruthy();
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      expect(await foo.jsonValue()).toBe('bar');
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    });
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    it('should return even non-own properties', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => {
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        class A {
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          constructor() {
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            this.a = '1';
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          }
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        }
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        class B extends A {
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          constructor() {
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            super();
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            this.b = '2';
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          }
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        }
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        return new B();
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      });
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      const properties = await aHandle.getProperties();
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      expect(await properties.get('a').jsonValue()).toBe('1');
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      expect(await properties.get('b').jsonValue()).toBe('2');
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    });
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  });
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  describe('JSHandle.asElement', function() {
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    it('should work', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => document.body);
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      const element = aHandle.asElement();
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      expect(element).toBeTruthy();
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    });
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    it('should return null for non-elements', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => 2);
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      const element = aHandle.asElement();
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      expect(element).toBeFalsy();
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    });
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    it('should return ElementHandle for TextNodes', async({page, server}) => {
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      await page.setContent('<div>ee!</div>');
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      const aHandle = await page.evaluateHandle(() => document.querySelector('div').firstChild);
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      const element = aHandle.asElement();
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      expect(element).toBeTruthy();
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      expect(await page.evaluate(e => e.nodeType === HTMLElement.TEXT_NODE, element));
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    });
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    it('should work with nullified Node', async({page, server}) => {
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      await page.setContent('<section>test</section>');
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      await page.evaluate(() => delete Node);
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      const handle = await page.evaluateHandle(() => document.querySelector('section'));
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      const element = handle.asElement();
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      expect(element).not.toBe(null);
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    });
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  });
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  describe('JSHandle.toString', function() {
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    it('should work for primitives', async({page, server}) => {
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      const numberHandle = await page.evaluateHandle(() => 2);
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      expect(numberHandle.toString()).toBe('JSHandle:2');
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      const stringHandle = await page.evaluateHandle(() => 'a');
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      expect(stringHandle.toString()).toBe('JSHandle:a');
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    });
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    it('should work for complicated objects', async({page, server}) => {
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      const aHandle = await page.evaluateHandle(() => window);
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      expect(aHandle.toString()).toBe('JSHandle@object');
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    });
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    it('should work for promises', async({page, server}) => {
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      // wrap the promise in an object, otherwise we will await.
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      const wrapperHandle = await page.evaluateHandle(() => ({b: Promise.resolve(123)}));
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      const bHandle = await wrapperHandle.getProperty('b');
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      expect(bHandle.toString()).toBe('JSHandle@promise');
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    });
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    it('should work with different subtypes', async({page, server}) => {
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      expect((await page.evaluateHandle('(function(){})')).toString()).toBe('JSHandle@function');
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      expect((await page.evaluateHandle('12')).toString()).toBe('JSHandle:12');
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      expect((await page.evaluateHandle('true')).toString()).toBe('JSHandle:true');
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      expect((await page.evaluateHandle('undefined')).toString()).toBe('JSHandle:undefined');
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      expect((await page.evaluateHandle('"foo"')).toString()).toBe('JSHandle:foo');
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      expect((await page.evaluateHandle('Symbol()')).toString()).toBe('JSHandle@symbol');
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      expect((await page.evaluateHandle('new Map()')).toString()).toBe('JSHandle@map');
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      expect((await page.evaluateHandle('new Set()')).toString()).toBe('JSHandle@set');
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      expect((await page.evaluateHandle('[]')).toString()).toBe('JSHandle@array');
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      expect((await page.evaluateHandle('null')).toString()).toBe('JSHandle:null');
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      expect((await page.evaluateHandle('/foo/')).toString()).toBe('JSHandle@regexp');
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      expect((await page.evaluateHandle('document.body')).toString()).toBe('JSHandle@node');
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      expect((await page.evaluateHandle('new Date()')).toString()).toBe('JSHandle@date');
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      expect((await page.evaluateHandle('new WeakMap()')).toString()).toBe('JSHandle@weakmap');
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      expect((await page.evaluateHandle('new WeakSet()')).toString()).toBe('JSHandle@weakset');
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      expect((await page.evaluateHandle('new Error()')).toString()).toBe('JSHandle@error');
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      // TODO(yurys): change subtype from array to typedarray in WebKit.
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      expect((await page.evaluateHandle('new Int32Array()')).toString()).toBe(WEBKIT ? 'JSHandle@array' : 'JSHandle@typedarray');
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      expect((await page.evaluateHandle('new Proxy({}, {})')).toString()).toBe('JSHandle@proxy');
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    });
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  });
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};
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