1// Copyright 2014 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 EXTENSIONS_TEST_RESULT_CATCHER_H_ 6#define EXTENSIONS_TEST_RESULT_CATCHER_H_ 7 8#include <deque> 9#include <string> 10 11#include "base/compiler_specific.h" 12#include "content/public/browser/notification_observer.h" 13#include "content/public/browser/notification_registrar.h" 14 15namespace content { 16class BrowserContext; 17} // namespace content 18 19namespace extensions { 20 21// Helper class that observes tests failing or passing. Observation starts 22// when the class is constructed. Get the next result by calling 23// GetNextResult() and message() if GetNextResult() return false. If there 24// are no results, this method will pump the UI message loop until one is 25// received. 26class ResultCatcher : public content::NotificationObserver { 27 public: 28 ResultCatcher(); 29 virtual ~ResultCatcher(); 30 31 // Pumps the UI loop until a notification is received that an API test 32 // succeeded or failed. Returns true if the test succeeded, false otherwise. 33 bool GetNextResult(); 34 35 void RestrictToBrowserContext(content::BrowserContext* context) { 36 browser_context_restriction_ = context; 37 } 38 39 const std::string& message() { return message_; } 40 41 private: 42 // content::NotificationObserver: 43 virtual void Observe(int type, 44 const content::NotificationSource& source, 45 const content::NotificationDetails& details) OVERRIDE; 46 47 content::NotificationRegistrar registrar_; 48 49 // A sequential list of pass/fail notifications from the test extension(s). 50 std::deque<bool> results_; 51 52 // If it failed, what was the error message? 53 std::deque<std::string> messages_; 54 std::string message_; 55 56 // If non-NULL, we will listen to events from this BrowserContext only. 57 content::BrowserContext* browser_context_restriction_; 58 59 // True if we're in a nested message loop waiting for results from 60 // the extension. 61 bool waiting_; 62}; 63 64} // namespace extensions 65 66#endif // EXTENSIONS_TEST_RESULT_CATCHER_H_ 67