Support javascript gtests in an extension background page.

chrome/test/base/js2gtest.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Generator script for creating gtest-style JavaScript
  *     tests for WebUI and unit tests. Generates C++ gtest wrappers

[dmazzoni, 2014/06/09 06:59:46]

Update this top comment too

  *     which will invoke the appropriate JavaScript for each test.
  * @author scr@chromium.org (Sheridan Rawlins)
  * @see WebUI testing: http://goo.gl/ZWFXF
  * @see gtest documentation: http://goo.gl/Ujj3H
  * @see chrome/chrome_tests.gypi
  * @see tools/gypv8sh.py
  */
 
 // Arguments from rules in chrome_tests.gypi are passed in through
 // python script gypv8sh.py.
@@ skipping 24 matching lines @@
 var depsFile = arguments[3];
 
 /**
  * Path to C++ file generation is outputting to.
  * @type {string}
  */
 var outputFile = arguments[4];
 
 /**
  * Type of this test.
  * @type {string} ('unit'| 'webui')

[dmazzoni, 2014/06/09 06:59:46]

Update this too

  */
 var testType = arguments[5];
 
 /**
  * C++ gtest macro to use for TEST_F depending on |testType|.
  * @type {string} ('TEST_F'|'IN_PROC_BROWSER_TEST_F')
  */
 var testF;
 
 /**
  * Keeps track of whether a typedef has been generated for each test
  * fixture.
  * @type {Object.<string, string>}
  */
 var typedeffedCppFixtures = {};
 
 /**
  * Maintains a list of relative file paths to add to each gtest body
  * for inclusion at runtime before running each JavaScript test.
  * @type {Array.<string>}
  */
 var genIncludes = [];
 
 /**
  * When true, add calls to set_preload_test_(fixture|name). This is needed when
  * |testType| === 'browser' to send an injection message before the page loads,
- * but is not required or supported for |testType| === 'unit'.
+ * but is not required or supported for |testType| === 'chromevox' or
+ * |testType| === 'unit'.
  * @type {boolean}
  */
 var addSetPreloadInfo;
 
 // Generate the file to stdout.
 print('// GENERATED FILE');
 print('// ' + arguments.join(' '));
 print('// PLEASE DO NOT HAND EDIT!');
 print();
 
 // Output some C++ headers based upon the |testType|.
 //
 // Currently supports:
+// 'chromevox' - browser_tests harness, js2chromevox rule, ChromeVoxBrowserTest
+//               superclass.
 // 'unit' - unit_tests harness, js2unit rule, V8UnitTest superclass.
 // 'webui' - browser_tests harness, js2webui rule, WebUIBrowserTest superclass.
-if (testType === 'unit') {
+if (testType === 'chromevox') {
+  print('#include "chrome/browser/resources/chromeos/chromevox/' +
+      'chromevox_browsertest.h"');
+  testing.Test.prototype.typedefCppFixture = 'ChromeVoxBrowserTest';
+  addSetPreloadInfo = false;
+  testF = 'IN_PROC_BROWSER_TEST_F';
+} else if (testType === 'unit') {
   print('#include "chrome/test/base/v8_unit_test.h"');
   testing.Test.prototype.typedefCppFixture = 'V8UnitTest';
   testF = 'TEST_F';
   addSetPreloadInfo = false;
 } else {
   print('#include "chrome/test/base/web_ui_browser_test.h"');
   testing.Test.prototype.typedefCppFixture = 'WebUIBrowserTest';
   testF = 'IN_PROC_BROWSER_TEST_F';
   addSetPreloadInfo = true;
 }
@@ skipping 185 matching lines @@
         '"' + testFunction + '"));');
   if (testGenPostamble)
     testGenPostamble(testFixture, testFunction);
   print('}');
   print();
 }
 
 // Now that generation functions are defined, load in |jsFile|.
 var js = read(jsFile);
 eval(js);