playwright/test/browsercontext-viewport.spec.ts

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/**
* 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 './playwright.fixtures';
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import utils from './utils';
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it('should get the proper default viewport size', async ({page, server}) => {
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await utils.verifyViewport(page, 1280, 720);
});
it('should set the proper viewport size', async ({page, server}) => {
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await utils.verifyViewport(page, 1280, 720);
await page.setViewportSize({width: 123, height: 456});
await utils.verifyViewport(page, 123, 456);
});
it('should return correct outerWidth and outerHeight', async ({page}) => {
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const size = await page.evaluate(() => {
return {
innerWidth: window.innerWidth,
innerHeight: window.innerHeight,
outerWidth: window.outerWidth,
outerHeight: window.outerHeight,
};
});
expect(size.innerWidth).toBe(1280);
expect(size.innerHeight).toBe(720);
expect(size.outerWidth >= size.innerWidth).toBeTruthy();
expect(size.outerHeight >= size.innerHeight).toBeTruthy();
});
it('should emulate device width', async ({page, server}) => {
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expect(page.viewportSize()).toEqual({width: 1280, height: 720});
await page.setViewportSize({width: 200, height: 200});
expect(await page.evaluate(() => window.screen.width)).toBe(200);
expect(await page.evaluate(() => matchMedia('(min-device-width: 100px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(min-device-width: 300px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-width: 100px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-width: 300px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(device-width: 500px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(device-width: 200px)').matches)).toBe(true);
await page.setViewportSize({width: 500, height: 500});
expect(await page.evaluate(() => window.screen.width)).toBe(500);
expect(await page.evaluate(() => matchMedia('(min-device-width: 400px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(min-device-width: 600px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-width: 400px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-width: 600px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(device-width: 200px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(device-width: 500px)').matches)).toBe(true);
});
it('should emulate device height', async ({page, server}) => {
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expect(page.viewportSize()).toEqual({width: 1280, height: 720});
await page.setViewportSize({width: 200, height: 200});
expect(await page.evaluate(() => window.screen.height)).toBe(200);
expect(await page.evaluate(() => matchMedia('(min-device-height: 100px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(min-device-height: 300px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-height: 100px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-height: 300px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(device-height: 500px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(device-height: 200px)').matches)).toBe(true);
await page.setViewportSize({width: 500, height: 500});
expect(await page.evaluate(() => window.screen.height)).toBe(500);
expect(await page.evaluate(() => matchMedia('(min-device-height: 400px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(min-device-height: 600px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-height: 400px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-height: 600px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(device-height: 200px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(device-height: 500px)').matches)).toBe(true);
});
it('should not have touch by default', async ({page, server}) => {
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await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(false);
await page.goto(server.PREFIX + '/detect-touch.html');
expect(await page.evaluate(() => document.body.textContent.trim())).toBe('NO');
});
it('should support touch with null viewport', async ({browser, server}) => {
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const context = await browser.newContext({ viewport: null, hasTouch: true });
const page = await context.newPage();
await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(true);
await context.close();
});
it('should report null viewportSize when given null viewport', async ({browser, server}) => {
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const context = await browser.newContext({ viewport: null });
const page = await context.newPage();
expect(page.viewportSize()).toBe(null);
await context.close();
});