110 строки
3.9 KiB
TypeScript
110 строки
3.9 KiB
TypeScript
/**
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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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import { it, expect } from './fixtures';
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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 accept nested handle', async ({page, server}) => {
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const foo = await page.evaluateHandle(() => ({ x: 1, y: 'foo' }));
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const result = await page.evaluate(({ foo }) => {
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return foo;
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}, { foo });
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expect(result).toEqual({ x: 1, y: 'foo' });
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});
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it('should accept nested window handle', async ({page, server}) => {
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const foo = await page.evaluateHandle(() => window);
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const result = await page.evaluate(({ foo }) => {
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return foo === window;
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}, { foo });
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expect(result).toBe(true);
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});
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it('should accept multiple nested handles', async ({page, server}) => {
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const foo = await page.evaluateHandle(() => ({ x: 1, y: 'foo' }));
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const bar = await page.evaluateHandle(() => 5);
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const baz = await page.evaluateHandle(() => (['baz']));
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const result = await page.evaluate(x => {
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return JSON.stringify(x);
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}, { a1: { foo }, a2: { bar, arr: [{ baz }] } });
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expect(JSON.parse(result)).toEqual({
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a1: { foo: { x: 1, y: 'foo' } },
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a2: { bar: 5, arr: [{ baz: ['baz'] }] }
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});
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});
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it('should throw for circular objects', async ({page, server}) => {
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const a = { x: 1 };
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a['y'] = a;
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const error = await page.evaluate(x => x, a).catch(e => e);
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expect(error.message).toContain('Argument is a circular structure');
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});
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it('should accept same handle multiple times', async ({page, server}) => {
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const foo = await page.evaluateHandle(() => 1);
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expect(await page.evaluate(x => x, { foo, bar: [foo], baz: { foo }})).toEqual({ foo: 1, bar: [1], baz: { foo: 1 } });
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});
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it('should accept same nested object multiple times', async ({page, server}) => {
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const foo = { x: 1 };
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expect(await page.evaluate(x => x, { foo, bar: [foo], baz: { foo }})).toEqual({ foo: { x: 1 }, bar: [{ x: 1 }], baz: { foo: { x: 1 } } });
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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 pass configurable args', async ({page, server}) => {
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const result = await page.evaluate(arg => {
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if (arg.foo !== 42)
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throw new Error('Not a 42');
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arg.foo = 17;
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if (arg.foo !== 17)
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throw new Error('Not 17');
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delete arg.foo;
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if (arg.foo === 17)
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throw new Error('Still 17');
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return arg;
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}, { foo: 42 });
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expect(result).toEqual({});
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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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