mirror of
https://github.com/microsoft/playwright.git
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303 lines
11 KiB
TypeScript
303 lines
11 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 { test as it, expect } from './pageTest';
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import fs from 'fs';
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it('should work', async ({ page, server }) => {
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await page.route('**/*', route => {
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route.fulfill({
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status: 201,
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headers: {
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foo: 'bar'
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},
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contentType: 'text/html',
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body: 'Yo, page!'
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});
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.status()).toBe(201);
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expect(response.headers().foo).toBe('bar');
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expect(await page.evaluate(() => document.body.textContent)).toBe('Yo, page!');
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});
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it('should work with buffer as body', async ({ page, server, browserName, isLinux }) => {
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it.fail(browserName === 'webkit' && isLinux, 'Loading of application/octet-stream resource fails');
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await page.route('**/*', route => {
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route.fulfill({
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status: 200,
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body: Buffer.from('Yo, page!')
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});
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.status()).toBe(200);
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expect(await page.evaluate(() => document.body.textContent)).toBe('Yo, page!');
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});
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it('should work with status code 422', async ({ page, server }) => {
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await page.route('**/*', route => {
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route.fulfill({
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status: 422,
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body: 'Yo, page!'
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});
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.status()).toBe(422);
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expect(response.statusText()).toBe('Unprocessable Entity');
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expect(await page.evaluate(() => document.body.textContent)).toBe('Yo, page!');
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});
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it('should allow mocking binary responses', async ({ page, server, browserName, headless, asset, isAndroid }) => {
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it.skip(browserName === 'firefox' && !headless, 'Firefox headed produces a different image.');
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it.skip(isAndroid);
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await page.route('**/*', route => {
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const imageBuffer = fs.readFileSync(asset('pptr.png'));
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route.fulfill({
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contentType: 'image/png',
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body: imageBuffer
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});
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});
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await page.evaluate(PREFIX => {
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const img = document.createElement('img');
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img.src = PREFIX + '/does-not-exist.png';
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document.body.appendChild(img);
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return new Promise(fulfill => img.onload = fulfill);
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}, server.PREFIX);
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const img = await page.$('img');
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expect(await img.screenshot()).toMatchSnapshot('mock-binary-response.png');
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});
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it('should allow mocking svg with charset', async ({ page, server, browserName, headless, isAndroid }) => {
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it.skip(browserName === 'firefox' && !headless, 'Firefox headed produces a different image.');
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it.skip(isAndroid);
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await page.route('**/*', route => {
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route.fulfill({
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contentType: 'image/svg+xml ; charset=utf-8',
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body: '<svg width="50" height="50" version="1.1" xmlns="http://www.w3.org/2000/svg"><rect x="10" y="10" width="30" height="30" stroke="black" fill="transparent" stroke-width="5"/></svg>'
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});
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});
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await page.evaluate(PREFIX => {
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const img = document.createElement('img');
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img.src = PREFIX + '/does-not-exist.svg';
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document.body.appendChild(img);
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return new Promise((f, r) => { img.onload = f; img.onerror = r; });
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}, server.PREFIX);
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const img = await page.$('img');
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expect(await img.screenshot()).toMatchSnapshot('mock-svg.png');
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});
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it('should work with file path', async ({ page, server, asset, isAndroid }) => {
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it.skip(isAndroid);
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await page.route('**/*', route => route.fulfill({ contentType: 'shouldBeIgnored', path: asset('pptr.png') }));
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await page.evaluate(PREFIX => {
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const img = document.createElement('img');
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img.src = PREFIX + '/does-not-exist.png';
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document.body.appendChild(img);
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return new Promise(fulfill => img.onload = fulfill);
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}, server.PREFIX);
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const img = await page.$('img');
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expect(await img.screenshot()).toMatchSnapshot('mock-binary-response.png');
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});
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it('should stringify intercepted request response headers', async ({ page, server }) => {
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await page.route('**/*', route => {
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route.fulfill({
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status: 200,
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headers: {
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'foo': 'true'
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},
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body: 'Yo, page!'
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});
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.status()).toBe(200);
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const headers = response.headers();
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expect(headers.foo).toBe('true');
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expect(await page.evaluate(() => document.body.textContent)).toBe('Yo, page!');
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});
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it('should not modify the headers sent to the server', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/empty.html');
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const interceptedRequests = [];
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// this is just to enable request interception, which disables caching in chromium
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await page.route(server.PREFIX + '/unused', () => {});
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server.setRoute('/something', (request, response) => {
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interceptedRequests.push(request);
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response.writeHead(200, { 'Access-Control-Allow-Origin': '*' });
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response.end('done');
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});
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const text = await page.evaluate(async url => {
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const data = await fetch(url);
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return data.text();
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}, server.CROSS_PROCESS_PREFIX + '/something');
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expect(text).toBe('done');
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await page.route(server.CROSS_PROCESS_PREFIX + '/something', (route, request) => {
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route.continue({
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headers: {
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...request.headers()
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}
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});
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});
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const textAfterRoute = await page.evaluate(async url => {
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const data = await fetch(url);
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return data.text();
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}, server.CROSS_PROCESS_PREFIX + '/something');
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expect(textAfterRoute).toBe('done');
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expect(interceptedRequests.length).toBe(2);
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expect(interceptedRequests[1].headers).toEqual(interceptedRequests[0].headers);
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});
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it('should include the origin header', async ({ page, server, isAndroid }) => {
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it.skip(isAndroid, 'No cross-process on Android');
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await page.goto(server.PREFIX + '/empty.html');
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let interceptedRequest;
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await page.route(server.CROSS_PROCESS_PREFIX + '/something', (route, request) => {
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interceptedRequest = request;
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route.fulfill({
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headers: {
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'Access-Control-Allow-Origin': '*',
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},
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contentType: 'text/plain',
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body: 'done'
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});
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});
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const text = await page.evaluate(async url => {
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const data = await fetch(url);
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return data.text();
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}, server.CROSS_PROCESS_PREFIX + '/something');
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expect(text).toBe('done');
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expect(interceptedRequest.headers()['origin']).toEqual(server.PREFIX);
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});
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it('should fulfill with global fetch result', async ({ playwright, page, server, isElectron }) => {
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it.fixme(isElectron, 'error: Browser context management is not supported.');
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await page.route('**/*', async route => {
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const request = await playwright.request.newContext();
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const response = await request.get(server.PREFIX + '/simple.json');
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route.fulfill({ response });
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.status()).toBe(200);
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expect(await response.json()).toEqual({ 'foo': 'bar' });
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});
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it('should fulfill with fetch result', async ({ page, server, isElectron }) => {
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it.fixme(isElectron, 'error: Browser context management is not supported.');
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await page.route('**/*', async route => {
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const response = await page.request.get(server.PREFIX + '/simple.json');
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route.fulfill({ response });
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.status()).toBe(200);
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expect(await response.json()).toEqual({ 'foo': 'bar' });
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});
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it('should fulfill with fetch result and overrides', async ({ page, server, isElectron }) => {
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it.fixme(isElectron, 'error: Browser context management is not supported.');
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await page.route('**/*', async route => {
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const response = await page.request.get(server.PREFIX + '/simple.json');
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route.fulfill({
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response,
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status: 201,
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headers: {
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'Content-Type': 'application/json', // Case matters for the tested behavior
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'foo': 'bar'
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}
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});
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.status()).toBe(201);
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expect((await response.allHeaders()).foo).toEqual('bar');
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expect(await response.json()).toEqual({ 'foo': 'bar' });
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});
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it('should fetch original request and fulfill', async ({ page, server, isElectron }) => {
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it.fixme(isElectron, 'error: Browser context management is not supported.');
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await page.route('**/*', async route => {
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const response = await page.request.fetch(route.request());
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route.fulfill({
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response,
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});
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});
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const response = await page.goto(server.PREFIX + '/title.html');
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expect(response.status()).toBe(200);
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expect(await page.title()).toEqual('Woof-Woof');
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});
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it('should fulfill with multiple set-cookie', async ({ page, server, browserName, isElectron }) => {
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it.fixme(isElectron, 'Electron 14+ is required');
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const cookies = ['a=b', 'c=d'];
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await page.route('**/empty.html', async route => {
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route.fulfill({
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status: 200,
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headers: {
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'X-Header-1': 'v1',
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'Set-Cookie': cookies.join('\n'),
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'X-Header-2': 'v2',
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},
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body: ''
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});
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect((await page.evaluate(() => document.cookie)).split(';').map(s => s.trim()).sort()).toEqual(cookies);
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expect(await response.headerValue('X-Header-1')).toBe('v1');
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expect(await response.headerValue('X-Header-2')).toBe('v2');
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});
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it('should fulfill with fetch response that has multiple set-cookie', async ({ playwright, page, server, browserName }) => {
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server.setRoute('/empty.html', (req, res) => {
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res.setHeader('Set-Cookie', ['a=b', 'c=d']);
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res.setHeader('Content-Type', 'text/html');
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res.end();
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});
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await page.route('**/empty.html', async route => {
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const request = await playwright.request.newContext();
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const response = await request.fetch(route.request());
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route.fulfill({ response });
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});
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await page.goto(server.EMPTY_PAGE);
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const cookie = await page.evaluate(() => document.cookie);
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expect(cookie.split(';').map(s => s.trim()).sort()).toEqual(['a=b', 'c=d']);
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});
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it('headerValue should return set-cookie from intercepted response', async ({ page, server, browserName }) => {
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it.fail(browserName === 'chromium', 'Set-Cookie is missing in response after interception');
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it.fixme(browserName === 'webkit', 'Set-Cookie with \n in intercepted response does not pass validation in WebCore, see also https://github.com/microsoft/playwright/pull/9273');
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await page.route('**/empty.html', async route => {
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route.fulfill({
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status: 200,
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headers: {
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'Set-Cookie': 'a=b',
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},
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body: ''
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});
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(await response.headerValue('Set-Cookie')).toBe('a=b');
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});
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