/**
 * Copyright 2019 Google Inc. All rights reserved.
 *
 * 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 expect from 'expect';
import {
  getTestState,
  setupTestBrowserHooks,
  setupTestPageAndContextHooks,
  describeChromeOnly,
} from './mocha-utils';

describeChromeOnly('Chromium-Specific Launcher tests', function () {
  describe('Puppeteer.launch |browserURL| option', function () {
    it('should be able to connect using browserUrl, with and without trailing slash', async () => {
      const { defaultBrowserOptions, puppeteer } = getTestState();

      const originalBrowser = await puppeteer.launch(
        Object.assign({}, defaultBrowserOptions, {
          args: ['--remote-debugging-port=21222'],
        })
      );
      const browserURL = 'http://127.0.0.1:21222';

      const browser1 = await puppeteer.connect({ browserURL });
      const page1 = await browser1.newPage();
      expect(await page1.evaluate(() => 7 * 8)).toBe(56);
      browser1.disconnect();

      const browser2 = await puppeteer.connect({
        browserURL: browserURL + '/',
      });
      const page2 = await browser2.newPage();
      expect(await page2.evaluate(() => 8 * 7)).toBe(56);
      browser2.disconnect();
      originalBrowser.close();
    });
    it('should throw when using both browserWSEndpoint and browserURL', async () => {
      const { defaultBrowserOptions, puppeteer } = getTestState();

      const originalBrowser = await puppeteer.launch(
        Object.assign({}, defaultBrowserOptions, {
          args: ['--remote-debugging-port=21222'],
        })
      );
      const browserURL = 'http://127.0.0.1:21222';

      let error = null;
      await puppeteer
        .connect({
          browserURL,
          browserWSEndpoint: originalBrowser.wsEndpoint(),
        })
        .catch((error_) => (error = error_));
      expect(error.message).toContain(
        'Exactly one of browserWSEndpoint, browserURL or transport'
      );

      originalBrowser.close();
    });
    it('should throw when trying to connect to non-existing browser', async () => {
      const { defaultBrowserOptions, puppeteer } = getTestState();

      const originalBrowser = await puppeteer.launch(
        Object.assign({}, defaultBrowserOptions, {
          args: ['--remote-debugging-port=21222'],
        })
      );
      const browserURL = 'http://127.0.0.1:32333';

      let error = null;
      await puppeteer
        .connect({ browserURL })
        .catch((error_) => (error = error_));
      expect(error.message).toContain(
        'Failed to fetch browser webSocket url from'
      );
      originalBrowser.close();
    });
  });

  describe('Puppeteer.launch |pipe| option', function () {
    it('should support the pipe option', async () => {
      const { defaultBrowserOptions, puppeteer } = getTestState();
      const options = Object.assign({ pipe: true }, defaultBrowserOptions);
      const browser = await puppeteer.launch(options);
      expect((await browser.pages()).length).toBe(1);
      expect(browser.wsEndpoint()).toBe('');
      const page = await browser.newPage();
      expect(await page.evaluate('11 * 11')).toBe(121);
      await page.close();
      await browser.close();
    });
    it('should support the pipe argument', async () => {
      const { defaultBrowserOptions, puppeteer } = getTestState();
      const options = Object.assign({}, defaultBrowserOptions);
      options.args = ['--remote-debugging-pipe'].concat(options.args || []);
      const browser = await puppeteer.launch(options);
      expect(browser.wsEndpoint()).toBe('');
      const page = await browser.newPage();
      expect(await page.evaluate('11 * 11')).toBe(121);
      await page.close();
      await browser.close();
    });
    it('should fire "disconnected" when closing with pipe', async () => {
      const { defaultBrowserOptions, puppeteer } = getTestState();
      const options = Object.assign({ pipe: true }, defaultBrowserOptions);
      const browser = await puppeteer.launch(options);
      const disconnectedEventPromise = new Promise((resolve) =>
        browser.once('disconnected', resolve)
      );
      // Emulate user exiting browser.
      browser.process().kill();
      await disconnectedEventPromise;
    });
  });
});

describeChromeOnly('Chromium-Specific Page Tests', function () {
  setupTestBrowserHooks();
  setupTestPageAndContextHooks();
  it('Page.setRequestInterception should work with intervention headers', async () => {
    const { server, page } = getTestState();

    server.setRoute('/intervention', (req, res) =>
      res.end(`
        <script>
          document.write('<script src="${server.CROSS_PROCESS_PREFIX}/intervention.js">' + '</scr' + 'ipt>');
        </script>
      `)
    );
    server.setRedirect('/intervention.js', '/redirect.js');
    let serverRequest = null;
    server.setRoute('/redirect.js', (req, res) => {
      serverRequest = req;
      res.end('console.log(1);');
    });

    await page.setRequestInterception(true);
    page.on('request', (request) => request.continue());
    await page.goto(server.PREFIX + '/intervention');
    // Check for feature URL substring rather than https://www.chromestatus.com to
    // make it work with Edgium.
    expect(serverRequest.headers.intervention).toContain(
      'feature/5718547946799104'
    );
  });
});