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Unified Diff: chrome/browser/omnibox/omnibox_field_trial_unittest.cc

Issue 447183003: Move OmniboxFieldTrial to components (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase & fix switch indent Created 6 years, 4 months ago
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Index: chrome/browser/omnibox/omnibox_field_trial_unittest.cc
diff --git a/chrome/browser/omnibox/omnibox_field_trial_unittest.cc b/chrome/browser/omnibox/omnibox_field_trial_unittest.cc
deleted file mode 100644
index fb6bcd6ed05bae8c7c42ee27f74424926bec0887..0000000000000000000000000000000000000000
--- a/chrome/browser/omnibox/omnibox_field_trial_unittest.cc
+++ /dev/null
@@ -1,381 +0,0 @@
-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/omnibox/omnibox_field_trial.h"
-
-#include "base/basictypes.h"
-#include "base/command_line.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/metrics/field_trial.h"
-#include "base/strings/string16.h"
-#include "chrome/common/chrome_switches.h"
-#include "components/metrics/proto/omnibox_event.pb.h"
-#include "components/search/search.h"
-#include "components/variations/entropy_provider.h"
-#include "components/variations/variations_associated_data.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using metrics::OmniboxEventProto;
-
-class OmniboxFieldTrialTest : public testing::Test {
- public:
- OmniboxFieldTrialTest() {
- ResetFieldTrialList();
- }
-
- void ResetFieldTrialList() {
- // Destroy the existing FieldTrialList before creating a new one to avoid
- // a DCHECK.
- field_trial_list_.reset();
- field_trial_list_.reset(new base::FieldTrialList(
- new metrics::SHA1EntropyProvider("foo")));
- variations::testing::ClearAllVariationParams();
- OmniboxFieldTrial::ActivateDynamicTrials();
- }
-
- // Creates and activates a field trial.
- static base::FieldTrial* CreateTestTrial(const std::string& name,
- const std::string& group_name) {
- base::FieldTrial* trial = base::FieldTrialList::CreateFieldTrial(
- name, group_name);
- trial->group();
- return trial;
- }
-
- // Add a field trial disabling ZeroSuggest.
- static void CreateDisableZeroSuggestTrial() {
- std::map<std::string, std::string> params;
- params[std::string(OmniboxFieldTrial::kZeroSuggestRule)] = "false";
- variations::AssociateVariationParams(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A", params);
- base::FieldTrialList::CreateFieldTrial(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A");
- }
-
- // EXPECTS that demotions[match_type] exists with value expected_value.
- static void VerifyDemotion(
- const OmniboxFieldTrial::DemotionMultipliers& demotions,
- AutocompleteMatchType::Type match_type,
- float expected_value);
-
- // EXPECT()s that OmniboxFieldTrial::GetValueForRuleInContext(|rule|,
- // |page_classification|) returns |rule_value|.
- static void ExpectRuleValue(
- const std::string& rule_value,
- const std::string& rule,
- OmniboxEventProto::PageClassification page_classification);
-
- private:
- scoped_ptr<base::FieldTrialList> field_trial_list_;
-
- DISALLOW_COPY_AND_ASSIGN(OmniboxFieldTrialTest);
-};
-
-// static
-void OmniboxFieldTrialTest::VerifyDemotion(
- const OmniboxFieldTrial::DemotionMultipliers& demotions,
- AutocompleteMatchType::Type match_type,
- float expected_value) {
- OmniboxFieldTrial::DemotionMultipliers::const_iterator demotion_it =
- demotions.find(match_type);
- ASSERT_TRUE(demotion_it != demotions.end());
- EXPECT_FLOAT_EQ(expected_value, demotion_it->second);
-}
-
-// static
-void OmniboxFieldTrialTest::ExpectRuleValue(
- const std::string& rule_value,
- const std::string& rule,
- OmniboxEventProto::PageClassification page_classification) {
- EXPECT_EQ(rule_value,
- OmniboxFieldTrial::GetValueForRuleInContext(
- rule, page_classification));
-}
-
-// Test if GetDisabledProviderTypes() properly parses various field trial
-// group names.
-TEST_F(OmniboxFieldTrialTest, GetDisabledProviderTypes) {
- EXPECT_EQ(0, OmniboxFieldTrial::GetDisabledProviderTypes());
-
- {
- SCOPED_TRACE("Invalid groups");
- CreateTestTrial("AutocompleteDynamicTrial_0", "DisabledProviders_");
- EXPECT_EQ(0, OmniboxFieldTrial::GetDisabledProviderTypes());
- ResetFieldTrialList();
- CreateTestTrial("AutocompleteDynamicTrial_1", "DisabledProviders_XXX");
- EXPECT_EQ(0, OmniboxFieldTrial::GetDisabledProviderTypes());
- ResetFieldTrialList();
- CreateTestTrial("AutocompleteDynamicTrial_1", "DisabledProviders_12abc");
- EXPECT_EQ(0, OmniboxFieldTrial::GetDisabledProviderTypes());
- }
-
- {
- SCOPED_TRACE("Valid group name, unsupported trial name.");
- ResetFieldTrialList();
- CreateTestTrial("UnsupportedTrialName", "DisabledProviders_20");
- EXPECT_EQ(0, OmniboxFieldTrial::GetDisabledProviderTypes());
- }
-
- {
- SCOPED_TRACE("Valid field and group name.");
- ResetFieldTrialList();
- CreateTestTrial("AutocompleteDynamicTrial_2", "DisabledProviders_3");
- EXPECT_EQ(3, OmniboxFieldTrial::GetDisabledProviderTypes());
- // Two groups should be OR-ed together.
- CreateTestTrial("AutocompleteDynamicTrial_3", "DisabledProviders_6");
- EXPECT_EQ(7, OmniboxFieldTrial::GetDisabledProviderTypes());
- }
-}
-
-// Test if InZeroSuggestFieldTrial() properly parses various field trial
-// group names.
-TEST_F(OmniboxFieldTrialTest, ZeroSuggestFieldTrial) {
- // Default ZeroSuggest setting depends on OS.
-#if defined(OS_WIN) || defined(OS_CHROMEOS) || defined(OS_LINUX) || \
- (defined(OS_MACOSX) && !defined(OS_IOS))
- EXPECT_TRUE(OmniboxFieldTrial::InZeroSuggestFieldTrial());
-#else
- EXPECT_FALSE(OmniboxFieldTrial::InZeroSuggestFieldTrial());
-#endif
-
- {
- SCOPED_TRACE("Disable ZeroSuggest.");
- ResetFieldTrialList();
- CreateDisableZeroSuggestTrial();
- EXPECT_FALSE(OmniboxFieldTrial::InZeroSuggestFieldTrial());
- }
-
- {
- SCOPED_TRACE("Bundled field trial parameters.");
- ResetFieldTrialList();
- std::map<std::string, std::string> params;
- params[std::string(OmniboxFieldTrial::kZeroSuggestRule)] = "true";
- ASSERT_TRUE(variations::AssociateVariationParams(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A", params));
- base::FieldTrialList::CreateFieldTrial(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A");
- EXPECT_TRUE(OmniboxFieldTrial::InZeroSuggestFieldTrial());
- EXPECT_FALSE(OmniboxFieldTrial::InZeroSuggestMostVisitedFieldTrial());
- EXPECT_FALSE(OmniboxFieldTrial::InZeroSuggestAfterTypingFieldTrial());
-
- ResetFieldTrialList();
- params[std::string(OmniboxFieldTrial::kZeroSuggestVariantRule)] =
- "MostVisited";
- ASSERT_TRUE(variations::AssociateVariationParams(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A", params));
- base::FieldTrialList::CreateFieldTrial(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A");
- EXPECT_TRUE(OmniboxFieldTrial::InZeroSuggestFieldTrial());
- EXPECT_TRUE(OmniboxFieldTrial::InZeroSuggestMostVisitedFieldTrial());
- EXPECT_FALSE(OmniboxFieldTrial::InZeroSuggestAfterTypingFieldTrial());
-
- ResetFieldTrialList();
- params[std::string(OmniboxFieldTrial::kZeroSuggestVariantRule)] =
- "AfterTyping";
- base::FieldTrialList::CreateFieldTrial(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A");
- ASSERT_TRUE(variations::AssociateVariationParams(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A", params));
- EXPECT_TRUE(OmniboxFieldTrial::InZeroSuggestFieldTrial());
- EXPECT_FALSE(OmniboxFieldTrial::InZeroSuggestMostVisitedFieldTrial());
- EXPECT_TRUE(OmniboxFieldTrial::InZeroSuggestAfterTypingFieldTrial());
- }
-}
-
-TEST_F(OmniboxFieldTrialTest, GetDemotionsByTypeWithFallback) {
- {
- std::map<std::string, std::string> params;
- params[std::string(OmniboxFieldTrial::kDemoteByTypeRule) + ":1:*"] =
- "1:50,2:0";
- params[std::string(OmniboxFieldTrial::kDemoteByTypeRule) + ":3:*"] =
- "5:100";
- params[std::string(OmniboxFieldTrial::kDemoteByTypeRule) + ":*:*"] = "1:25";
- ASSERT_TRUE(variations::AssociateVariationParams(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A", params));
- }
- base::FieldTrialList::CreateFieldTrial(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A");
- OmniboxFieldTrial::DemotionMultipliers demotions_by_type;
- OmniboxFieldTrial::GetDemotionsByType(
- OmniboxEventProto::NTP, &demotions_by_type);
- ASSERT_EQ(2u, demotions_by_type.size());
- VerifyDemotion(demotions_by_type, AutocompleteMatchType::HISTORY_URL, 0.5);
- VerifyDemotion(demotions_by_type, AutocompleteMatchType::HISTORY_TITLE, 0.0);
- OmniboxFieldTrial::GetDemotionsByType(
- OmniboxEventProto::HOME_PAGE, &demotions_by_type);
- ASSERT_EQ(1u, demotions_by_type.size());
- VerifyDemotion(demotions_by_type, AutocompleteMatchType::NAVSUGGEST, 1.0);
- OmniboxFieldTrial::GetDemotionsByType(
- OmniboxEventProto::BLANK, &demotions_by_type);
- ASSERT_EQ(1u, demotions_by_type.size());
- VerifyDemotion(demotions_by_type, AutocompleteMatchType::HISTORY_URL, 0.25);
-}
-
-TEST_F(OmniboxFieldTrialTest, GetValueForRuleInContext) {
- {
- std::map<std::string, std::string> params;
- // Rule 1 has some exact matches and fallbacks at every level.
- params["rule1:1:0"] = "rule1-1-0-value"; // NTP
- params["rule1:3:0"] = "rule1-3-0-value"; // HOME_PAGE
- params["rule1:4:1"] = "rule1-4-1-value"; // OTHER
- params["rule1:4:*"] = "rule1-4-*-value"; // OTHER
- params["rule1:*:1"] = "rule1-*-1-value"; // global
- params["rule1:*:*"] = "rule1-*-*-value"; // global
- // Rule 2 has no exact matches but has fallbacks.
- params["rule2:*:0"] = "rule2-*-0-value"; // global
- params["rule2:1:*"] = "rule2-1-*-value"; // NTP
- params["rule2:*:*"] = "rule2-*-*-value"; // global
- // Rule 3 has only a global fallback.
- params["rule3:*:*"] = "rule3-*-*-value"; // global
- // Rule 4 has an exact match but no fallbacks.
- params["rule4:4:0"] = "rule4-4-0-value"; // OTHER
- // Add a malformed rule to make sure it doesn't screw things up.
- params["unrecognized"] = "unrecognized-value";
- ASSERT_TRUE(variations::AssociateVariationParams(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A", params));
- }
-
- base::FieldTrialList::CreateFieldTrial(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A");
-
- if (chrome::IsInstantExtendedAPIEnabled()) {
- // Tests with Instant Extended enabled.
- // Tests for rule 1.
- ExpectRuleValue("rule1-4-1-value",
- "rule1", OmniboxEventProto::OTHER); // exact match
- ExpectRuleValue("rule1-*-1-value",
- "rule1", OmniboxEventProto::BLANK); // partial fallback
- ExpectRuleValue("rule1-*-1-value",
- "rule1",
- OmniboxEventProto::NTP); // partial fallback
-
- // Tests for rule 2.
- ExpectRuleValue("rule2-1-*-value",
- "rule2",
- OmniboxEventProto::NTP); // partial fallback
- ExpectRuleValue("rule2-*-*-value",
- "rule2", OmniboxEventProto::OTHER); // global fallback
-
- // Tests for rule 3.
- ExpectRuleValue("rule3-*-*-value",
- "rule3",
- OmniboxEventProto::HOME_PAGE); // global fallback
- ExpectRuleValue("rule3-*-*-value",
- "rule3",
- OmniboxEventProto::OTHER); // global fallback
-
- // Tests for rule 4.
- ExpectRuleValue("",
- "rule4",
- OmniboxEventProto::BLANK); // no global fallback
- ExpectRuleValue("",
- "rule4",
- OmniboxEventProto::HOME_PAGE); // no global fallback
-
- // Tests for rule 5 (a missing rule).
- ExpectRuleValue("",
- "rule5", OmniboxEventProto::OTHER); // no rule at all
- } else {
- // Tests for rule 1.
- ExpectRuleValue("rule1-1-0-value",
- "rule1", OmniboxEventProto::NTP); // exact match
- ExpectRuleValue("rule1-1-0-value",
- "rule1", OmniboxEventProto::NTP); // exact match
- ExpectRuleValue("rule1-*-*-value",
- "rule1", OmniboxEventProto::BLANK); // fallback to global
- ExpectRuleValue("rule1-3-0-value",
- "rule1",
- OmniboxEventProto::HOME_PAGE); // exact match
- ExpectRuleValue("rule1-4-*-value",
- "rule1", OmniboxEventProto::OTHER); // partial fallback
- ExpectRuleValue("rule1-*-*-value",
- "rule1",
- OmniboxEventProto:: // fallback to global
- SEARCH_RESULT_PAGE_DOING_SEARCH_TERM_REPLACEMENT);
- // Tests for rule 2.
- ExpectRuleValue("rule2-*-0-value",
- "rule2",
- OmniboxEventProto::HOME_PAGE); // partial fallback
- ExpectRuleValue("rule2-*-0-value",
- "rule2", OmniboxEventProto::OTHER); // partial fallback
-
- // Tests for rule 3.
- ExpectRuleValue("rule3-*-*-value",
- "rule3",
- OmniboxEventProto::HOME_PAGE); // fallback to global
- ExpectRuleValue("rule3-*-*-value",
- "rule3", OmniboxEventProto::OTHER); // fallback to global
-
- // Tests for rule 4.
- ExpectRuleValue("",
- "rule4", OmniboxEventProto::BLANK); // no global fallback
- ExpectRuleValue("",
- "rule4",
- OmniboxEventProto::HOME_PAGE); // no global fallback
- ExpectRuleValue("rule4-4-0-value",
- "rule4", OmniboxEventProto::OTHER); // exact match
-
- // Tests for rule 5 (a missing rule).
- ExpectRuleValue("",
- "rule5", OmniboxEventProto::OTHER); // no rule at all
- }
-}
-
-TEST_F(OmniboxFieldTrialTest, HUPNewScoringFieldTrial) {
- {
- std::map<std::string, std::string> params;
- params[std::string(OmniboxFieldTrial::kHUPNewScoringEnabledParam)] = "1";
- params[std::string(
- OmniboxFieldTrial::kHUPNewScoringTypedCountRelevanceCapParam)] = "56";
- params[std::string(
- OmniboxFieldTrial::kHUPNewScoringTypedCountHalfLifeTimeParam)] = "77";
- params[std::string(
- OmniboxFieldTrial::kHUPNewScoringTypedCountScoreBucketsParam)] =
- "0.2:25,0.1:1001,2.3:777";
- params[std::string(
- OmniboxFieldTrial::kHUPNewScoringVisitedCountRelevanceCapParam)] = "11";
- params[std::string(
- OmniboxFieldTrial::kHUPNewScoringVisitedCountHalfLifeTimeParam)] = "31";
- params[std::string(
- OmniboxFieldTrial::kHUPNewScoringVisitedCountScoreBucketsParam)] =
- "5:300,0:200";
- ASSERT_TRUE(variations::AssociateVariationParams(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A", params));
- }
- base::FieldTrialList::CreateFieldTrial(
- OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A");
-
- HUPScoringParams scoring_params;
- OmniboxFieldTrial::GetExperimentalHUPScoringParams(&scoring_params);
- EXPECT_TRUE(scoring_params.experimental_scoring_enabled);
- EXPECT_EQ(56, scoring_params.typed_count_buckets.relevance_cap());
- EXPECT_EQ(77, scoring_params.typed_count_buckets.half_life_days());
- ASSERT_EQ(3u, scoring_params.typed_count_buckets.buckets().size());
- EXPECT_EQ(std::make_pair(2.3, 777),
- scoring_params.typed_count_buckets.buckets()[0]);
- EXPECT_EQ(std::make_pair(0.2, 25),
- scoring_params.typed_count_buckets.buckets()[1]);
- EXPECT_EQ(std::make_pair(0.1, 1001),
- scoring_params.typed_count_buckets.buckets()[2]);
- EXPECT_EQ(11, scoring_params.visited_count_buckets.relevance_cap());
- EXPECT_EQ(31, scoring_params.visited_count_buckets.half_life_days());
- ASSERT_EQ(2u, scoring_params.visited_count_buckets.buckets().size());
- EXPECT_EQ(std::make_pair(5.0, 300),
- scoring_params.visited_count_buckets.buckets()[0]);
- EXPECT_EQ(std::make_pair(0.0, 200),
- scoring_params.visited_count_buckets.buckets()[1]);
-}
-
-TEST_F(OmniboxFieldTrialTest, HalfLifeTimeDecay) {
- HUPScoringParams::ScoreBuckets buckets;
-
- // No decay by default.
- EXPECT_EQ(1.0, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(7)));
-
- buckets.set_half_life_days(7);
- EXPECT_EQ(0.5, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(7)));
- EXPECT_EQ(0.25, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(14)));
- EXPECT_EQ(1.0, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(0)));
- EXPECT_EQ(1.0, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(-1)));
-}
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