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      1 // Copyright 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 #include "components/password_manager/core/browser/password_manager_metrics_util.h"
      6 
      7 #include <iterator>
      8 #include <map>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/prefs/scoped_user_pref_update.h"
     12 #include "base/values.h"
     13 #include "chrome/test/base/testing_profile.h"
     14 #include "components/password_manager/core/common/password_manager_pref_names.h"
     15 #include "testing/gtest/include/gtest/gtest.h"
     16 
     17 class PasswordManagerMetricsUtilTest : public testing::Test {
     18  public:
     19   PasswordManagerMetricsUtilTest() {}
     20 
     21  protected:
     22   bool IsMonitored(const char* url_host) {
     23     size_t group_id = password_manager::metrics_util::MonitoredDomainGroupId(
     24         url_host, profile_.GetPrefs());
     25     return group_id > 0;
     26   }
     27 
     28   TestingProfile profile_;
     29 };
     30 
     31 TEST_F(PasswordManagerMetricsUtilTest, MonitoredDomainGroupAssigmentTest) {
     32   const char* const kMonitoredWebsites[] = {
     33       "https://www.google.com",
     34       "https://www.yahoo.com",
     35       "https://www.baidu.com",
     36       "https://www.wikipedia.org",
     37       "https://www.linkedin.com",
     38       "https://www.twitter.com",
     39       "https://www.facebook.com",
     40       "https://www.amazon.com",
     41       "https://www.ebay.com",
     42       "https://www.tumblr.com",
     43   };
     44   const size_t kMonitoredWebsitesLength = arraysize(kMonitoredWebsites);
     45 
     46   // The |groups| map contains the group id and the number of times
     47   // it get assigned.
     48   std::map<size_t, size_t> groups;
     49 
     50   // Provide all possible values of the group id parameter for each monitored
     51   // website.
     52   for (size_t i = 0; i < kMonitoredWebsitesLength; ++i) {
     53     for (size_t j = 0; j < password_manager::metrics_util::kGroupsPerDomain;
     54          ++j) {
     55       {  // Set the group index for domain |i| to |j|.
     56         ListPrefUpdate group_indices(
     57             profile_.GetPrefs(),
     58             password_manager::prefs::kPasswordManagerGroupsForDomains);
     59         group_indices->Set(i, new base::FundamentalValue(static_cast<int>(j)));
     60       }  // At the end of the scope the prefs get updated.
     61 
     62       ++groups[password_manager::metrics_util::MonitoredDomainGroupId(
     63           kMonitoredWebsites[i], profile_.GetPrefs())];
     64     }
     65   }
     66 
     67   // Check if all groups get assigned the same number of times.
     68   size_t number_of_assigment = groups.begin()->second;
     69   for (std::map<size_t, size_t>::iterator it = groups.begin();
     70        it != groups.end(); ++it) {
     71     EXPECT_EQ(it->second, number_of_assigment) << " group id = " << it->first;
     72   }
     73 }
     74 
     75 TEST_F(PasswordManagerMetricsUtilTest, MonitoredDomainGroupTest) {
     76   EXPECT_TRUE(IsMonitored("https://www.linkedin.com"));
     77   EXPECT_TRUE(IsMonitored("https://www.amazon.com"));
     78   EXPECT_TRUE(IsMonitored("https://www.facebook.com"));
     79   EXPECT_TRUE(IsMonitored("http://wikipedia.org"));
     80   EXPECT_FALSE(IsMonitored("http://thisisnotwikipedia.org"));
     81 }
     82