chrome/browser/ui/passwords/password_bubble_experiment_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 "chrome/browser/ui/passwords/password_bubble_experiment.h"
   6
   7 #include "base/files/scoped_temp_dir.h"
   8 #include "base/metrics/field_trial.h"
   9 #include "base/prefs/pref_service.h"
  10 #include "base/strings/string_number_conversions.h"
  11 #include "chrome/common/pref_names.h"
  12 #include "chrome/test/base/testing_profile.h"
  13 #include "components/variations/entropy_provider.h"
  14 #include "components/variations/variations_associated_data.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 namespace {
  18
  19 const char kGroupName[] = "SomeGroupName";
  20 const int kNopeThreshold = 10;
  21
  22 void SetupExperiment() {
  23   ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial(
  24       password_bubble_experiment::kExperimentName,
  25       kGroupName));
  26   std::map<std::string, std::string> params;
  27   params[password_bubble_experiment::kParamNopeThreshold] =
  28       base::IntToString(kNopeThreshold);
  29   ASSERT_TRUE(variations::AssociateVariationParams(
  30       password_bubble_experiment::kExperimentName,
  31       kGroupName,
  32       params));
  33 }
  34
  35 } // namespace
  36
  37 class PasswordBubbleExperimentTest : public testing::Test {
  38  public:
  39   void SetUp() override {
  40     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
  41     profile_.reset(new TestingProfile(temp_dir_.path()));
  42
  43     field_trial_list_.reset(new base::FieldTrialList(
  44         new metrics::SHA1EntropyProvider("foo")));
  45   }
  46
  47   void TearDown() override {
  48     variations::testing::ClearAllVariationParams();
  49   }
  50
  51   PrefService* prefs() { return profile_->GetPrefs(); }
  52
  53  private:
  54   base::ScopedTempDir temp_dir_;
  55   scoped_ptr<TestingProfile> profile_;
  56   scoped_ptr<base::FieldTrialList> field_trial_list_;
  57 };
  58
  59 TEST_F(PasswordBubbleExperimentTest, NoExperiment) {
  60   EXPECT_FALSE(
  61       password_bubble_experiment::ShouldShowNeverForThisSiteDefault(prefs()));
  62   for (int i = 0; i <= kNopeThreshold; ++i) {
  63     password_bubble_experiment::RecordBubbleClosed(
  64         prefs(), password_manager::metrics_util::CLICKED_NOPE);
  65     EXPECT_FALSE(
  66         password_bubble_experiment::ShouldShowNeverForThisSiteDefault(prefs()));
  67   }
  68 }
  69
  70 TEST_F(PasswordBubbleExperimentTest, WithExperiment) {
  71   SetupExperiment();
  72
  73   // Repeatedly click "Never". It shouldn't affect the state.
  74   for (int i = 0; i < kNopeThreshold; ++i) {
  75     password_manager::metrics_util::UIDismissalReason reason =
  76         password_manager::metrics_util::CLICKED_NEVER;
  77     password_bubble_experiment::RecordBubbleClosed(prefs(), reason);
  78   }
  79   EXPECT_FALSE(
  80       password_bubble_experiment::ShouldShowNeverForThisSiteDefault(prefs()));
  81   // Repeatedly refuse to save password, for |kNopeThreshold|-1 times.
  82   for (int i = 0; i < kNopeThreshold - 1; ++i) {
  83     password_manager::metrics_util::UIDismissalReason reason =
  84         password_manager::metrics_util::CLICKED_NOPE;
  85     password_bubble_experiment::RecordBubbleClosed(prefs(), reason);
  86   }
  87   EXPECT_FALSE(
  88       password_bubble_experiment::ShouldShowNeverForThisSiteDefault(prefs()));
  89
  90   // Refuse to save once more to make Never the default button.
  91   password_bubble_experiment::RecordBubbleClosed(
  92       prefs(), password_manager::metrics_util::CLICKED_NOPE);
  93   EXPECT_TRUE(
  94       password_bubble_experiment::ShouldShowNeverForThisSiteDefault(prefs()));
  95   password_bubble_experiment::RecordBubbleClosed(
  96       prefs(), password_manager::metrics_util::CLICKED_SAVE);
  97   EXPECT_FALSE(
  98       password_bubble_experiment::ShouldShowNeverForThisSiteDefault(prefs()));
  99
 100   // Repeatedly refuse to save password, for |kNopeThreshold| times.
 101   for (int i = 0; i < kNopeThreshold; ++i) {
 102     password_manager::metrics_util::UIDismissalReason reason =
 103         password_manager::metrics_util::CLICKED_NOPE;
 104     password_bubble_experiment::RecordBubbleClosed(prefs(), reason);
 105   }
 106   EXPECT_TRUE(
 107       password_bubble_experiment::ShouldShowNeverForThisSiteDefault(prefs()));
 108   // Repeatedly click "Never". It shouldn't affect the state.
 109   for (int i = 0; i < kNopeThreshold; ++i) {
 110     password_manager::metrics_util::UIDismissalReason reason =
 111         password_manager::metrics_util::CLICKED_NEVER;
 112     password_bubble_experiment::RecordBubbleClosed(prefs(), reason);
 113   }
 114   EXPECT_TRUE(
 115       password_bubble_experiment::ShouldShowNeverForThisSiteDefault(prefs()));
 116 }