src/components/data_reduction_proxy/browser/data_reduction_proxy_statistics_prefs_unittest.cc

   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 #include "base/memory/scoped_ptr.h"
   6 #include "base/prefs/pref_registry_simple.h"
   7 #include "base/prefs/testing_pref_service.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "base/test/test_simple_task_runner.h"
  10 #include "components/data_reduction_proxy/browser/data_reduction_proxy_prefs.h"
  11 #include "components/data_reduction_proxy/browser/data_reduction_proxy_statistics_prefs.h"
  12 #include "components/data_reduction_proxy/common/data_reduction_proxy_pref_names.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace {
  16
  17 // TODO Make kNumDaysInHistory accessible from DataReductionProxySettings.
  18 const size_t kNumDaysInHistory = 60;
  19 const int kWriteDelayMinutes = 60;
  20
  21 int64 GetListPrefInt64Value(
  22     const base::ListValue& list_update, size_t index) {
  23   std::string string_value;
  24   EXPECT_TRUE(list_update.GetString(index, &string_value));
  25
  26   int64 value = 0;
  27   EXPECT_TRUE(base::StringToInt64(string_value, &value));
  28   return value;
  29 }
  30
  31 }  // namespace
  32
  33 namespace data_reduction_proxy {
  34
  35 class DataReductionProxyStatisticsPrefsTest : public testing::Test {
  36  protected:
  37   DataReductionProxyStatisticsPrefsTest()
  38       : task_runner_(scoped_refptr<base::TestSimpleTaskRunner>(
  39             new base::TestSimpleTaskRunner())) {}
  40
  41   virtual void SetUp() OVERRIDE {
  42     RegisterPrefs(simple_pref_service_.registry());
  43   }
  44
  45   // Create daily pref list of |kNumDaysInHistory| zero values.
  46   void CreatePrefList(const char* pref) {
  47     base::ListValue* update = statistics_prefs_->GetList(pref);
  48     update->Clear();
  49     for (size_t i = 0; i < kNumDaysInHistory; ++i) {
  50       update->Insert(0, new base::StringValue(base::Int64ToString(0)));
  51     }
  52   }
  53
  54   // Verify the pref list values in |pref_service_| are equal to those in
  55   // |simple_pref_service| for |pref|.
  56   void VerifyPrefListWasWritten(const char* pref) {
  57     const base::ListValue* delayed_list = statistics_prefs_->GetList(pref);
  58     const base::ListValue* written_list = simple_pref_service_.GetList(pref);
  59     ASSERT_EQ(delayed_list->GetSize(), written_list->GetSize());
  60     size_t count = delayed_list->GetSize();
  61
  62     for (size_t i = 0; i < count; ++i) {
  63       EXPECT_EQ(GetListPrefInt64Value(*delayed_list, i),
  64                 GetListPrefInt64Value(*written_list, i));
  65     }
  66   }
  67
  68   // Verify the pref value in |pref_service_| are equal to that in
  69   // |simple_pref_service|.
  70   void VerifyPrefWasWritten(const char* pref) {
  71     int64 delayed_pref = statistics_prefs_->GetInt64(pref);
  72     int64 written_pref = simple_pref_service_.GetInt64(pref);
  73     EXPECT_EQ(delayed_pref, written_pref);
  74   }
  75
  76   scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
  77   TestingPrefServiceSimple simple_pref_service_;
  78   scoped_ptr<DataReductionProxyStatisticsPrefs> statistics_prefs_;
  79 };
  80
  81 TEST_F(DataReductionProxyStatisticsPrefsTest, WritePrefsDirect) {
  82   statistics_prefs_.reset(new DataReductionProxyStatisticsPrefs(
  83       &simple_pref_service_,
  84       task_runner_,
  85       base::TimeDelta()));
  86   const int64 kOriginalLength = 150;
  87   const int64 kReceivedLength = 100;
  88
  89   CreatePrefList(
  90       data_reduction_proxy::prefs::kDailyHttpOriginalContentLength);
  91   CreatePrefList(
  92       data_reduction_proxy::prefs::kDailyHttpReceivedContentLength);
  93
  94   statistics_prefs_->SetInt64(
  95       data_reduction_proxy::prefs::kHttpOriginalContentLength, kOriginalLength);
  96   statistics_prefs_->SetInt64(
  97       data_reduction_proxy::prefs::kHttpReceivedContentLength, kReceivedLength);
  98
  99   base::ListValue* original_daily_content_length_list =
 100       statistics_prefs_->GetList(data_reduction_proxy::prefs::
 101                                  kDailyHttpOriginalContentLength);
 102   base::ListValue* received_daily_content_length_list =
 103       statistics_prefs_->GetList(data_reduction_proxy::prefs::
 104                                  kDailyHttpReceivedContentLength);
 105
 106   for (size_t i = 0; i < kNumDaysInHistory; ++i) {
 107     original_daily_content_length_list->Set(
 108         i, new base::StringValue(base::Int64ToString(i)));
 109   }
 110
 111   received_daily_content_length_list->Clear();
 112   for (size_t i = 0; i < kNumDaysInHistory/2; ++i) {
 113     received_daily_content_length_list->Set(
 114         i, new base::StringValue(base::Int64ToString(i)));
 115   }
 116
 117   VerifyPrefWasWritten(data_reduction_proxy::prefs::kHttpOriginalContentLength);
 118   VerifyPrefWasWritten(data_reduction_proxy::prefs::kHttpReceivedContentLength);
 119   VerifyPrefListWasWritten(
 120       data_reduction_proxy::prefs::kDailyHttpOriginalContentLength);
 121   VerifyPrefListWasWritten(
 122       data_reduction_proxy::prefs::kDailyHttpReceivedContentLength);
 123 }
 124
 125 TEST_F(DataReductionProxyStatisticsPrefsTest, WritePrefsDelayed) {
 126   statistics_prefs_.reset(new DataReductionProxyStatisticsPrefs(
 127       &simple_pref_service_,
 128       task_runner_,
 129       base::TimeDelta::FromMinutes(kWriteDelayMinutes)));
 130   statistics_prefs_->Init();
 131
 132   CreatePrefList(
 133       data_reduction_proxy::prefs::kDailyHttpOriginalContentLength);
 134   CreatePrefList(
 135       data_reduction_proxy::prefs::kDailyHttpReceivedContentLength);
 136
 137   const int64 kOriginalLength = 150;
 138   const int64 kReceivedLength = 100;
 139
 140   statistics_prefs_->SetInt64(
 141       data_reduction_proxy::prefs::kHttpOriginalContentLength, kOriginalLength);
 142   statistics_prefs_->SetInt64(
 143       data_reduction_proxy::prefs::kHttpReceivedContentLength, kReceivedLength);
 144
 145   base::ListValue* original_daily_content_length_list =
 146       statistics_prefs_->GetList(data_reduction_proxy::prefs::
 147                                  kDailyHttpOriginalContentLength);
 148   base::ListValue* received_daily_content_length_list =
 149       statistics_prefs_->GetList(data_reduction_proxy::prefs::
 150                                  kDailyHttpReceivedContentLength);
 151
 152   for (size_t i = 0; i < kNumDaysInHistory; ++i) {
 153     original_daily_content_length_list->Set(
 154         i, new base::StringValue(base::Int64ToString(i)));
 155   }
 156
 157   received_daily_content_length_list->Clear();
 158   for (size_t i = 0; i < kNumDaysInHistory/2; ++i) {
 159     received_daily_content_length_list->Set(
 160         i, new base::StringValue(base::Int64ToString(i)));
 161   }
 162
 163   task_runner_->RunPendingTasks();
 164
 165   VerifyPrefWasWritten(data_reduction_proxy::prefs::kHttpOriginalContentLength);
 166   VerifyPrefWasWritten(data_reduction_proxy::prefs::kHttpReceivedContentLength);
 167   VerifyPrefListWasWritten(
 168       data_reduction_proxy::prefs::kDailyHttpOriginalContentLength);
 169   VerifyPrefListWasWritten(
 170       data_reduction_proxy::prefs::kDailyHttpReceivedContentLength);
 171 }
 172
 173 }  // namespace data_reduction_proxy