chrome/browser/chromeos/login/test/js_checker.h

   1 // Copyright 2013 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_CHROMEOS_LOGIN_TEST_JS_CHECKER_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_TEST_JS_CHECKER_H_
   7
   8 #include <string>
   9
  10 namespace content {
  11 class WebContents;
  12 }
  13
  14 namespace chromeos {
  15 namespace test {
  16
  17 // Utility class for tests that allows us to evalute and check JavaScript
  18 // expressions inside given web contents. All calls are made synchronously.
  19 class JSChecker {
  20  public:
  21   JSChecker();
  22   explicit JSChecker(content::WebContents* web_contents);
  23
  24   // Evaluates |expression|.
  25   void Evaluate(const std::string& expression);
  26
  27   // Executes |expression|. Doesn't require a correct command.
  28   void Execute(const std::string& expression);
  29
  30   // Evaluates |expression| and returns its result.
  31   bool GetBool(const std::string& expression);
  32   int GetInt(const std::string& expression);
  33   std::string GetString(const std::string& expression);
  34
  35   // Checks truthfulness of the given |expression|.
  36   void ExpectTrue(const std::string& expression);
  37   void ExpectFalse(const std::string& expression);
  38
  39   // Compares result of |expression| with |result|.
  40   void ExpectEQ(const std::string& expression, int result);
  41   void ExpectNE(const std::string& expression, int result);
  42   void ExpectEQ(const std::string& expression, const std::string& result);
  43   void ExpectNE(const std::string& expression, const std::string& result);
  44
  45   void set_web_contents(content::WebContents* web_contents) {
  46     web_contents_ = web_contents;
  47   }
  48
  49  private:
  50   void GetBoolImpl(const std::string& expression, bool* result);
  51   void GetIntImpl(const std::string& expression, int* result);
  52   void GetStringImpl(const std::string& expression, std::string* result);
  53
  54   content::WebContents* web_contents_;
  55 };
  56
  57 }  // namespace test
  58 }  // namespace chromeos
  59
  60 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_TEST_JS_CHECKER_H_