chrome/test/chromedriver/logging.h

   1 // Copyright (c) 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_TEST_CHROMEDRIVER_LOGGING_H_
   6 #define CHROME_TEST_CHROMEDRIVER_LOGGING_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/memory/scoped_vector.h"
  13 #include "base/values.h"
  14 #include "chrome/test/chromedriver/chrome/log.h"
  15
  16 struct Capabilities;
  17 class DevToolsEventListener;
  18 class ListValue;
  19 class Status;
  20
  21 // Accumulates WebDriver Logging API entries of a given type and minimum level.
  22 // See https://code.google.com/p/selenium/wiki/Logging.
  23 class WebDriverLog : public Log {
  24  public:
  25   static const char kBrowserType[];
  26   static const char kDriverType[];
  27   static const char kPerformanceType[];
  28
  29   // Converts WD wire protocol level name -> Level, false on bad name.
  30   static bool NameToLevel(const std::string& name, Level* out_level);
  31
  32   // Creates a WebDriverLog with the given type and minimum level.
  33   WebDriverLog(const std::string& type, Level min_level);
  34   virtual ~WebDriverLog();
  35
  36   // Returns entries accumulated so far, as a ListValue ready for serialization
  37   // into the wire protocol response to the "/log" command.
  38   // The caller assumes ownership of the ListValue, and the WebDriverLog
  39   // creates and owns a new empty ListValue for further accumulation.
  40   scoped_ptr<base::ListValue> GetAndClearEntries();
  41
  42   // Finds the first error message in the log and returns it. If none exist,
  43   // returns an empty string. Does not clear entries.
  44   std::string GetFirstErrorMessage() const;
  45
  46   // Translates a Log entry level into a WebDriver level and stores the entry.
  47   virtual void AddEntryTimestamped(const base::Time& timestamp,
  48                                    Level level,
  49                                    const std::string& source,
  50                                    const std::string& message) OVERRIDE;
  51
  52   const std::string& type() const;
  53   void set_min_level(Level min_level);
  54   Level min_level() const;
  55
  56  private:
  57   const std::string type_;  // WebDriver log type.
  58   Level min_level_;  // Minimum level of entries to store.
  59   scoped_ptr<base::ListValue> entries_;  // Accumulated entries.
  60
  61   DISALLOW_COPY_AND_ASSIGN(WebDriverLog);
  62 };
  63
  64 // Initializes logging system for ChromeDriver. Returns true on success.
  65 bool InitLogging();
  66
  67 // Creates Log's and DevToolsEventListener's based on logging preferences.
  68 Status CreateLogs(const Capabilities& capabilities,
  69                   ScopedVector<WebDriverLog>* out_logs,
  70                   ScopedVector<DevToolsEventListener>* out_listeners);
  71
  72 #endif  // CHROME_TEST_CHROMEDRIVER_LOGGING_H_