src/chrome/browser/prerender/prerender_history_unittest.cc

   1 // Copyright (c) 2012 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/values.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "chrome/browser/prerender/prerender_history.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 namespace prerender {
  11
  12 namespace {
  13
  14 bool ListEntryMatches(ListValue* list,
  15                       size_t index,
  16                       const char* expected_url,
  17                       FinalStatus expected_final_status,
  18                       Origin expected_origin,
  19                       const std::string& expected_end_time) {
  20   if (index >= list->GetSize())
  21     return false;
  22   DictionaryValue* dict = NULL;
  23   if (!list->GetDictionary(index, &dict))
  24     return false;
  25   if (dict->size() != 4u)
  26     return false;
  27   std::string url;
  28   if (!dict->GetString("url", &url))
  29     return false;
  30   if (url != expected_url)
  31     return false;
  32   std::string final_status;
  33   if (!dict->GetString("final_status", &final_status))
  34     return false;
  35   if (final_status != NameFromFinalStatus(expected_final_status))
  36     return false;
  37   std::string origin;
  38   if (!dict->GetString("origin", &origin))
  39     return false;
  40   if (origin != NameFromOrigin(expected_origin))
  41     return false;
  42   std::string end_time;
  43   if (!dict->GetString("end_time", &end_time))
  44     return false;
  45   if (end_time != expected_end_time)
  46     return false;
  47   return true;
  48 }
  49
  50 TEST(PrerenderHistoryTest, GetAsValue)  {
  51   scoped_ptr<Value> entry_value;
  52   ListValue* entry_list = NULL;
  53
  54   // Create a history with only 2 values.
  55   PrerenderHistory history(2);
  56
  57   // Make sure an empty list exists when retrieving as value.
  58   entry_value.reset(history.GetEntriesAsValue());
  59   ASSERT_TRUE(entry_value.get() != NULL);
  60   ASSERT_TRUE(entry_value->GetAsList(&entry_list));
  61   EXPECT_TRUE(entry_list->empty());
  62
  63   // Base time used for all events.  Each event is given a time 1 millisecond
  64   // after that of the previous one.
  65   base::Time epoch_start = base::Time::UnixEpoch();
  66
  67   // Add a single entry and make sure that it matches up.
  68   const char* const kFirstUrl = "http://www.alpha.com/";
  69   const FinalStatus kFirstFinalStatus = FINAL_STATUS_USED;
  70   const Origin kFirstOrigin = ORIGIN_LINK_REL_PRERENDER_CROSSDOMAIN;
  71   PrerenderHistory::Entry entry_first(
  72       GURL(kFirstUrl), kFirstFinalStatus, kFirstOrigin, epoch_start);
  73   history.AddEntry(entry_first);
  74   entry_value.reset(history.GetEntriesAsValue());
  75   ASSERT_TRUE(entry_value.get() != NULL);
  76   ASSERT_TRUE(entry_value->GetAsList(&entry_list));
  77   EXPECT_EQ(1u, entry_list->GetSize());
  78   EXPECT_TRUE(ListEntryMatches(entry_list, 0u, kFirstUrl, kFirstFinalStatus,
  79                                kFirstOrigin, "0"));
  80
  81   // Add a second entry and make sure both first and second appear.
  82   const char* const kSecondUrl = "http://www.beta.com/";
  83   const FinalStatus kSecondFinalStatus = FINAL_STATUS_INVALID_HTTP_METHOD;
  84   const Origin kSecondOrigin = ORIGIN_OMNIBOX;
  85   PrerenderHistory::Entry entry_second(
  86       GURL(kSecondUrl), kSecondFinalStatus, kSecondOrigin,
  87       epoch_start + base::TimeDelta::FromMilliseconds(1));
  88   history.AddEntry(entry_second);
  89   entry_value.reset(history.GetEntriesAsValue());
  90   ASSERT_TRUE(entry_value.get() != NULL);
  91   ASSERT_TRUE(entry_value->GetAsList(&entry_list));
  92   EXPECT_EQ(2u, entry_list->GetSize());
  93   EXPECT_TRUE(ListEntryMatches(entry_list, 0u, kSecondUrl, kSecondFinalStatus,
  94                                kSecondOrigin, "1"));
  95   EXPECT_TRUE(ListEntryMatches(entry_list, 1u, kFirstUrl, kFirstFinalStatus,
  96                                kFirstOrigin, "0"));
  97
  98   // Add a third entry and make sure that the first one drops off.
  99   const char* const kThirdUrl = "http://www.gamma.com/";
 100   const FinalStatus kThirdFinalStatus = FINAL_STATUS_AUTH_NEEDED;
 101   const Origin kThirdOrigin = ORIGIN_LINK_REL_PRERENDER_CROSSDOMAIN;
 102   PrerenderHistory::Entry entry_third(
 103       GURL(kThirdUrl), kThirdFinalStatus, kThirdOrigin,
 104       epoch_start + base::TimeDelta::FromMilliseconds(2));
 105   history.AddEntry(entry_third);
 106   entry_value.reset(history.GetEntriesAsValue());
 107   ASSERT_TRUE(entry_value.get() != NULL);
 108   ASSERT_TRUE(entry_value->GetAsList(&entry_list));
 109   EXPECT_EQ(2u, entry_list->GetSize());
 110   EXPECT_TRUE(ListEntryMatches(entry_list, 0u, kThirdUrl, kThirdFinalStatus,
 111                                kThirdOrigin, "2"));
 112   EXPECT_TRUE(ListEntryMatches(entry_list, 1u, kSecondUrl, kSecondFinalStatus,
 113                                kSecondOrigin, "1"));
 114
 115   // Make sure clearing history acts as expected.
 116   history.Clear();
 117   entry_value.reset(history.GetEntriesAsValue());
 118   ASSERT_TRUE(entry_value.get() != NULL);
 119   ASSERT_TRUE(entry_value->GetAsList(&entry_list));
 120   EXPECT_TRUE(entry_list->empty());
 121 }
 122
 123 }  // namespace
 124
 125 }  // namespace prerender