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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 COMPONENTS_DOMAIN_RELIABILITY_TEST_UTIL_H_
6 #define COMPONENTS_DOMAIN_RELIABILITY_TEST_UTIL_H_
7 
8 #include "base/callback_forward.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "components/domain_reliability/config.h"
11 #include "components/domain_reliability/scheduler.h"
12 #include "components/domain_reliability/uploader.h"
13 #include "components/domain_reliability/util.h"
14 #include "net/base/host_port_pair.h"
15 
16 namespace net {
17 class URLRequestStatus;
18 }  // namespace net
19 
20 namespace domain_reliability {
21 
22 // A simple test callback that remembers whether it's been called.
23 class TestCallback {
24  public:
25   TestCallback();
26   ~TestCallback();
27 
28   // Returns a callback that can be called only once.
callback()29   const base::Closure& callback() const { return callback_; }
30   // Returns whether the callback returned by |callback()| has been called.
called()31   bool called() const { return called_; }
32 
33  private:
34   void OnCalled();
35 
36   base::Closure callback_;
37   bool called_;
38 };
39 
40 class MockUploader : public DomainReliabilityUploader {
41  public:
42   typedef base::Callback<void(const std::string& report_json,
43                               const GURL& upload_url,
44                               const UploadCallback& upload_callback)>
45       UploadRequestCallback;
46 
47   MockUploader(const UploadRequestCallback& callback);
48 
49   virtual ~MockUploader();
50 
51   // DomainReliabilityUploader implementation:
52   virtual void UploadReport(const std::string& report_json,
53                             const GURL& upload_url,
54                             const UploadCallback& callback) OVERRIDE;
55 
56  private:
57   UploadRequestCallback callback_;
58 };
59 
60 class MockTime : public MockableTime {
61  public:
62   MockTime();
63 
64   // N.B.: Tasks (and therefore Timers) scheduled to run in the future will
65   // never be run if MockTime is destroyed before the mock time is advanced
66   // to their scheduled time.
67   virtual ~MockTime();
68 
69   // MockableTime implementation:
70   virtual base::Time Now() OVERRIDE;
71   virtual base::TimeTicks NowTicks() OVERRIDE;
72   virtual scoped_ptr<MockableTime::Timer> CreateTimer() OVERRIDE;
73 
74   // Pretends that |delta| has passed, and runs tasks that would've happened
75   // during that interval (with |Now()| returning proper values while they
76   // execute!)
77   void Advance(base::TimeDelta delta);
78 
79   // Queues |task| to be run after |delay|. (Lighter-weight than mocking an
80   // entire message pump.)
81   void AddTask(base::TimeDelta delay, const base::Closure& task);
82 
83  private:
84   // Key used to store tasks in the task map. Includes the time the task should
85   // run and a sequence number to disambiguate tasks with the same time.
86   struct TaskKey {
TaskKeyTaskKey87     TaskKey(base::TimeTicks time, int sequence_number)
88         : time(time),
89           sequence_number(sequence_number) {}
90 
91     base::TimeTicks time;
92     int sequence_number;
93   };
94 
95   // Comparator for TaskKey; sorts by time, then by sequence number.
96   struct TaskKeyCompare {
operatorTaskKeyCompare97     bool operator() (const TaskKey& lhs, const TaskKey& rhs) const {
98       return lhs.time < rhs.time ||
99              (lhs.time == rhs.time &&
100               lhs.sequence_number < rhs.sequence_number);
101     }
102   };
103 
104   typedef std::map<TaskKey, base::Closure, TaskKeyCompare> TaskMap;
105 
106   void AdvanceToInternal(base::TimeTicks target_ticks);
107 
elapsed_sec()108   int elapsed_sec() { return (now_ticks_ - epoch_ticks_).InSeconds(); }
109 
110   base::Time now_;
111   base::TimeTicks now_ticks_;
112   base::TimeTicks epoch_ticks_;
113   int task_sequence_number_;
114   TaskMap tasks_;
115 };
116 
117 scoped_ptr<const DomainReliabilityConfig> MakeTestConfig();
118 DomainReliabilityScheduler::Params MakeTestSchedulerParams();
119 
120 }  // namespace domain_reliability
121 
122 #endif  // COMPONENTS_DOMAIN_RELIABILITY_TEST_UTIL_H_
123