chrome/browser/ui/webui/web_ui_test_handler.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_WEBUI_WEB_UI_TEST_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_WEB_UI_TEST_HANDLER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/strings/string16.h"
  10 #include "content/public/browser/web_ui_message_handler.h"
  11
  12 namespace base {
  13 class ListValue;
  14 class Value;
  15 }
  16
  17 namespace content {
  18 class RenderViewHost;
  19 }
  20
  21 // This class registers test framework specific handlers on WebUI objects.
  22 class WebUITestHandler : public content::WebUIMessageHandler {
  23  public:
  24   WebUITestHandler();
  25
  26   // Sends a message through |preload_host| with the |js_text| to preload at the
  27   // appropriate time before the onload call is made.
  28   void PreloadJavaScript(const base::string16& js_text,
  29                          content::RenderViewHost* preload_host);
  30
  31   // Runs |js_text| in this object's WebUI frame. Does not wait for any result.
  32   void RunJavaScript(const base::string16& js_text);
  33
  34   // Runs |js_text| in this object's WebUI frame. Waits for result, logging an
  35   // error message on failure. Returns test pass/fail.
  36   bool RunJavaScriptTestWithResult(const base::string16& js_text);
  37
  38   // WebUIMessageHandler overrides.
  39   // Add test handlers to the current WebUI object.
  40   void RegisterMessages() override;
  41
  42  private:
  43   // Receives testResult messages.
  44   void HandleTestResult(const base::ListValue* test_result);
  45
  46   // Gets the callback that Javascript execution is complete.
  47   void JavaScriptComplete(const base::Value* result);
  48
  49   // Runs a message loop until test finishes. Returns the result of the
  50   // test.
  51   bool WaitForResult();
  52
  53   // Received test pass/fail;
  54   bool test_done_;
  55
  56   // Pass fail result of current test.
  57   bool test_succeeded_;
  58
  59   // Test code finished trying to execute. This will be set to true when the
  60   // selected tab is done with this execution request whether it was able to
  61   // parse/execute the javascript or not.
  62   bool run_test_done_;
  63
  64   // Test code was able to execute successfully. This is *NOT* the test
  65   // pass/fail.
  66   bool run_test_succeeded_;
  67
  68   // Waiting for a test to finish.
  69   bool is_waiting_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(WebUITestHandler);
  72 };
  73
  74 #endif  // CHROME_BROWSER_UI_WEBUI_WEB_UI_TEST_HANDLER_H_