playwright/test/jshandle-to-string.spec.ts

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2020-08-04 02:30:37 +03:00
/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import './base.fixture';
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const {FFOX, CHROMIUM, WEBKIT} = testOptions;
it('should work for primitives', async({page, server}) => {
const numberHandle = await page.evaluateHandle(() => 2);
expect(numberHandle.toString()).toBe('JSHandle@2');
const stringHandle = await page.evaluateHandle(() => 'a');
expect(stringHandle.toString()).toBe('JSHandle@a');
});
it('should work for complicated objects', async({page, server}) => {
const aHandle = await page.evaluateHandle(() => window);
expect(aHandle.toString()).toBe('JSHandle@object');
});
it('should work for promises', async({page, server}) => {
// wrap the promise in an object, otherwise we will await.
const wrapperHandle = await page.evaluateHandle(() => ({b: Promise.resolve(123)}));
const bHandle = await wrapperHandle.getProperty('b');
expect(bHandle.toString()).toBe('JSHandle@promise');
});
it('should work with different subtypes', async({page, server}) => {
expect((await page.evaluateHandle('(function(){})')).toString()).toBe('JSHandle@function');
expect((await page.evaluateHandle('12')).toString()).toBe('JSHandle@12');
expect((await page.evaluateHandle('true')).toString()).toBe('JSHandle@true');
expect((await page.evaluateHandle('undefined')).toString()).toBe('JSHandle@undefined');
expect((await page.evaluateHandle('"foo"')).toString()).toBe('JSHandle@foo');
expect((await page.evaluateHandle('Symbol()')).toString()).toBe('JSHandle@symbol');
expect((await page.evaluateHandle('new Map()')).toString()).toBe('JSHandle@map');
expect((await page.evaluateHandle('new Set()')).toString()).toBe('JSHandle@set');
expect((await page.evaluateHandle('[]')).toString()).toBe('JSHandle@array');
expect((await page.evaluateHandle('null')).toString()).toBe('JSHandle@null');
expect((await page.evaluateHandle('/foo/')).toString()).toBe('JSHandle@regexp');
expect((await page.evaluateHandle('document.body')).toString()).toBe('JSHandle@node');
expect((await page.evaluateHandle('new Date()')).toString()).toBe('JSHandle@date');
expect((await page.evaluateHandle('new WeakMap()')).toString()).toBe('JSHandle@weakmap');
expect((await page.evaluateHandle('new WeakSet()')).toString()).toBe('JSHandle@weakset');
expect((await page.evaluateHandle('new Error()')).toString()).toBe('JSHandle@error');
// TODO(yurys): change subtype from array to typedarray in WebKit.
expect((await page.evaluateHandle('new Int32Array()')).toString()).toBe(WEBKIT ? 'JSHandle@array' : 'JSHandle@typedarray');
expect((await page.evaluateHandle('new Proxy({}, {})')).toString()).toBe('JSHandle@proxy');
});