playwright/test/browsercontext-route.spec.ts

/**
 * 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';

it('should intercept', async({browser, server}) => {
  const context = await browser.newContext();
  let intercepted = false;
  await context.route('**/empty.html', route => {
    intercepted = true;
    const request = route.request();
    expect(request.url()).toContain('empty.html');
    expect(request.headers()['user-agent']).toBeTruthy();
    expect(request.method()).toBe('GET');
    expect(request.postData()).toBe(null);
    expect(request.isNavigationRequest()).toBe(true);
    expect(request.resourceType()).toBe('document');
    expect(request.frame() === page.mainFrame()).toBe(true);
    expect(request.frame().url()).toBe('about:blank');
    route.continue();
  });
  const page = await context.newPage();
  const response = await page.goto(server.EMPTY_PAGE);
  expect(response.ok()).toBe(true);
  expect(intercepted).toBe(true);
  await context.close();
});

it('should unroute', async({browser, server}) => {
  const context = await browser.newContext();
  const page = await context.newPage();

  let intercepted = [];
  const handler1 = route => {
    intercepted.push(1);
    route.continue();
  };
  await context.route('**/empty.html', handler1);
  await context.route('**/empty.html', route => {
    intercepted.push(2);
    route.continue();
  });
  await context.route('**/empty.html', route => {
    intercepted.push(3);
    route.continue();
  });
  await context.route('**/*', route => {
    intercepted.push(4);
    route.continue();
  });
  await page.goto(server.EMPTY_PAGE);
  expect(intercepted).toEqual([1]);

  intercepted = [];
  await context.unroute('**/empty.html', handler1);
  await page.goto(server.EMPTY_PAGE);
  expect(intercepted).toEqual([2]);

  intercepted = [];
  await context.unroute('**/empty.html');
  await page.goto(server.EMPTY_PAGE);
  expect(intercepted).toEqual([4]);

  await context.close();
});

it('should yield to page.route', async({browser, server}) => {
  const context = await browser.newContext();
  await context.route('**/empty.html', route => {
    route.fulfill({ status: 200, body: 'context' });
  });
  const page = await context.newPage();
  await page.route('**/empty.html', route => {
    route.fulfill({ status: 200, body: 'page' });
  });
  const response = await page.goto(server.EMPTY_PAGE);
  expect(response.ok()).toBe(true);
  expect(await response.text()).toBe('page');
  await context.close();
});

it('should fall back to context.route', async({browser, server}) => {
  const context = await browser.newContext();
  await context.route('**/empty.html', route => {
    route.fulfill({ status: 200, body: 'context' });
  });
  const page = await context.newPage();
  await page.route('**/non-empty.html', route => {
    route.fulfill({ status: 200, body: 'page' });
  });
  const response = await page.goto(server.EMPTY_PAGE);
  expect(response.ok()).toBe(true);
  expect(await response.text()).toBe('context');
  await context.close();
});