chrome/test/data/extensions/api_test/executescript/fragment/background.js

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

const gotRequest = false;
let testUrl;

// For running in normal chrome (ie outside of the browser_tests environment),
// set debug to 1 here.
const debug = 0;
if (debug) {
  testUrl = 'http://www.google.com/';
  chrome.test.log = function(msg) {
    console.info(msg);
  };
  chrome.test.runTests = function(tests) {
    for (const i in tests) {
      tests[i]();
    }
  };
  chrome.test.succeed = function() {
    console.info('succeed');
  };
  chrome.test.fail = function() {
    console.info('fail');
  };
}

function navigateToFragment(tab, callback) {
  const newUrl = `${testUrl}#foo`;
  chrome.test.log(`navigating tab to ${newUrl}`);
  chrome.tabs.update(tab.id, {url: newUrl}, callback);
}

let succeeded = false;

function doExecute(tab) {
  chrome.tabs.executeScript(tab.id, {file: 'execute_script.js'});
  setTimeout(function() {
    if (!succeeded) {
      chrome.test.fail('timed out');
    }
  }, 10000);
}

function runTests() {
  chrome.test.runTests([
    // When the tab is created, a content script will send a request letting
    // know the onload has fired. Then we navigate to a fragment, and try
    // running chrome.tabs.executeScript.
    function test1() {
      chrome.runtime.onMessage.addListener(function(req, sender) {
        chrome.test.log(`got request: ${JSON.stringify(req)}`);
        if (req === 'content_script') {
          navigateToFragment(sender.tab, doExecute);
        } else if (req === 'execute_script') {
          succeeded = true;
          chrome.test.succeed();
        }
      });
      chrome.test.log('creating tab');
      chrome.tabs.create({url: testUrl});
    },
  ]);
}

if (debug) {
  // No port to fix.  Run tests directly.
  runTests();
} else {
  chrome.test.getConfig(function(config) {
    testUrl =
        `http://localhost:${config.testServer.port}/extensions/test_file.html`;
    runTests();
  });
}