// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/app_list/search/search_metrics_manager.h"
#include <memory>
#include "ash/public/cpp/app_list/app_list_metrics.h"
#include "ash/public/cpp/app_list/app_list_notifier.h"
#include "base/strings/strcat.h"
#include "base/test/metrics/histogram_tester.h"
#include "chrome/browser/ash/app_list/search/search_metrics_util.h"
#include "chrome/browser/ash/app_list/search/test/search_metrics_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace app_list::test {
namespace {
using Action = SearchMetricsManager::Action;
} // namespace
class SearchMetricsManagerTest : public testing::Test {
protected:
void SetUp() override {
metrics_manager_ = std::make_unique<SearchMetricsManager>(nullptr, nullptr);
}
base::HistogramTester histogram_tester_;
std::unique_ptr<SearchMetricsManager> metrics_manager_;
};
TEST_F(SearchMetricsManagerTest, OnImpression) {
// The kMissingNotifier log comes from the constructor with null notifier.
histogram_tester_.ExpectUniqueSample(
base::StrCat({kHistogramPrefix, "Error"}), Error::kMissingNotifier, 1);
Location location = Location::kList;
const std::u16string query = u"query";
const std::string action_histogram(
base::StrCat({kHistogramPrefix, "ListSearch"}));
const std::string view_histogram(
base::StrCat({action_histogram, ".Impression"}));
// No update for empty results.
std::vector<Result> results;
metrics_manager_->OnImpression(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 0);
histogram_tester_.ExpectTotalCount(action_histogram, 0);
// Metrics Updated for non_empty results.
results.emplace_back(CreateFakeResult(Type::ANSWER_CARD, "result_id"));
results.emplace_back(CreateFakeResult(Type::KEYBOARD_SHORTCUT, "result_id"));
metrics_manager_->OnImpression(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 2);
histogram_tester_.ExpectBucketCount(view_histogram, Type::ANSWER_CARD, 1);
histogram_tester_.ExpectBucketCount(view_histogram, Type::KEYBOARD_SHORTCUT,
1);
histogram_tester_.ExpectUniqueSample(action_histogram, Action::kImpression,
1);
// Duplicate type is counted once only.
results.emplace_back(CreateFakeResult(Type::ANSWER_CARD, "result_id"));
metrics_manager_->OnImpression(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 4);
histogram_tester_.ExpectBucketCount(view_histogram, Type::ANSWER_CARD, 2);
histogram_tester_.ExpectBucketCount(view_histogram, Type::KEYBOARD_SHORTCUT,
2);
histogram_tester_.ExpectUniqueSample(action_histogram, Action::kImpression,
2);
}
TEST_F(SearchMetricsManagerTest, OnImpressionLogContinue) {
// The kMissingNotifier log comes from the constructor with null notifier.
histogram_tester_.ExpectUniqueSample(
base::StrCat({kHistogramPrefix, "Error"}), Error::kMissingNotifier, 1);
Location location = Location::kContinue;
const std::u16string query = u"query";
const std::string total_histogram(
base::StrCat({kHistogramPrefix, "ContinueResultCount.Total"}));
const std::string drive_histogram(
base::StrCat({kHistogramPrefix, "ContinueResultCount.Drive"}));
const std::string local_histogram(
base::StrCat({kHistogramPrefix, "ContinueResultCount.Local"}));
const std::string help_app_histogram(
base::StrCat({kHistogramPrefix, "ContinueResultCount.HelpApp"}));
const std::string bool_histogram(
base::StrCat({kHistogramPrefix, "DriveContinueResultsShown"}));
// Without drive results.
std::vector<Result> results;
results.emplace_back(CreateFakeResult(Type::ZERO_STATE_FILE, "result_id"));
results.emplace_back(CreateFakeResult(Type::HELP_APP_UPDATES, "result_id"));
results.emplace_back(CreateFakeResult(Type::HELP_APP_UPDATES, "result_id"));
metrics_manager_->OnImpression(location, results, query);
histogram_tester_.ExpectUniqueSample(total_histogram, 3, 1);
histogram_tester_.ExpectUniqueSample(drive_histogram, 0, 1);
histogram_tester_.ExpectUniqueSample(local_histogram, 1, 1);
histogram_tester_.ExpectUniqueSample(help_app_histogram, 2, 1);
histogram_tester_.ExpectUniqueSample(bool_histogram, false, 1);
// With drive results.
results.emplace_back(CreateFakeResult(Type::ZERO_STATE_DRIVE, "result_id"));
metrics_manager_->OnImpression(location, results, query);
histogram_tester_.ExpectTotalCount(total_histogram, 2);
histogram_tester_.ExpectBucketCount(total_histogram, 3, 1);
histogram_tester_.ExpectBucketCount(total_histogram, 4, 1);
histogram_tester_.ExpectTotalCount(drive_histogram, 2);
histogram_tester_.ExpectBucketCount(drive_histogram, 0, 1);
histogram_tester_.ExpectBucketCount(drive_histogram, 1, 1);
histogram_tester_.ExpectUniqueSample(local_histogram, 1, 2);
histogram_tester_.ExpectUniqueSample(help_app_histogram, 2, 2);
histogram_tester_.ExpectTotalCount(bool_histogram, 2);
histogram_tester_.ExpectBucketCount(bool_histogram, false, 1);
histogram_tester_.ExpectBucketCount(bool_histogram, true, 1);
}
TEST_F(SearchMetricsManagerTest, OnAbandon) {
// The kMissingNotifier log comes from the constructor with null notifier.
histogram_tester_.ExpectUniqueSample(
base::StrCat({kHistogramPrefix, "Error"}), Error::kMissingNotifier, 1);
Location location = Location::kAnswerCard;
const std::u16string query = u"query";
const std::string action_histogram(
base::StrCat({kHistogramPrefix, "AnswerCard"}));
const std::string view_histogram(
base::StrCat({action_histogram, ".Abandon"}));
// No update for empty results.
std::vector<Result> results;
metrics_manager_->OnAbandon(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 0);
histogram_tester_.ExpectTotalCount(action_histogram, 0);
// Metrics Updated for non_empty results.
results.emplace_back(CreateFakeResult(Type::FILE_SEARCH, "result_id"));
results.emplace_back(CreateFakeResult(Type::ASSISTANT, "result_id"));
metrics_manager_->OnAbandon(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 2);
histogram_tester_.ExpectBucketCount(view_histogram, Type::FILE_SEARCH, 1);
histogram_tester_.ExpectBucketCount(view_histogram, Type::ASSISTANT, 1);
histogram_tester_.ExpectUniqueSample(action_histogram, Action::kAbandon, 1);
// Duplicate type is counted once only.
results.emplace_back(CreateFakeResult(Type::FILE_SEARCH, "result_id"));
metrics_manager_->OnAbandon(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 4);
histogram_tester_.ExpectBucketCount(view_histogram, Type::FILE_SEARCH, 2);
histogram_tester_.ExpectBucketCount(view_histogram, Type::ASSISTANT, 2);
histogram_tester_.ExpectUniqueSample(action_histogram, Action::kAbandon, 2);
}
TEST_F(SearchMetricsManagerTest, OnLaunch) {
// The kMissingNotifier log comes from the constructor with null notifier.
histogram_tester_.ExpectUniqueSample(
base::StrCat({kHistogramPrefix, "Error"}), Error::kMissingNotifier, 1);
Location location = Location::kAnswerCard;
const std::u16string query = u"query";
std::vector<Result> shown_results;
shown_results.emplace_back(CreateFakeResult(Type::FILE_SEARCH, "fake_id_0"));
shown_results.emplace_back(CreateFakeResult(Type::FILE_SEARCH, "fake_id_1"));
Result launched_result = CreateFakeResult(Type::FILE_SEARCH, "fake_id_2");
shown_results.emplace_back(launched_result);
shown_results.emplace_back(
CreateFakeResult(Type::HELP_APP_UPDATES, "fake_id_3"));
shown_results.emplace_back(CreateFakeResult(Type::ASSISTANT, "fake_id_4"));
metrics_manager_->OnLaunch(location, launched_result, shown_results, query);
const std::string action_histogram(
base::StrCat({kHistogramPrefix, "AnswerCard"}));
const std::string launch_histogram(
base::StrCat({action_histogram, ".Launch"}));
const std::string ignore_histogram(
base::StrCat({action_histogram, ".Ignore"}));
const std::string index_histogram(
base::StrCat({action_histogram, ".LaunchIndex"}));
// Update the action histogram.
histogram_tester_.ExpectUniqueSample(action_histogram, Action::kLaunch, 1);
// Update histogram for the launched result.
histogram_tester_.ExpectUniqueSample(launch_histogram, Type::FILE_SEARCH, 1);
// Update histogram for the ignored result.
histogram_tester_.ExpectTotalCount(ignore_histogram, 2);
histogram_tester_.ExpectBucketCount(ignore_histogram, Type::HELP_APP_UPDATES,
1);
histogram_tester_.ExpectBucketCount(ignore_histogram, Type::ASSISTANT, 1);
// Update the index histogram.
histogram_tester_.ExpectUniqueSample(index_histogram, 2, 1);
}
TEST_F(SearchMetricsManagerTest, OnIgnore) {
// The kMissingNotifier log comes from the constructor with null notifier.
histogram_tester_.ExpectUniqueSample(
base::StrCat({kHistogramPrefix, "Error"}), Error::kMissingNotifier, 1);
Location location = Location::kAnswerCard;
const std::u16string query = u"query";
const std::string action_histogram(
base::StrCat({kHistogramPrefix, "AnswerCard"}));
const std::string view_histogram(base::StrCat({action_histogram, ".Ignore"}));
// No update for empty results.
std::vector<Result> results;
metrics_manager_->OnIgnore(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 0);
histogram_tester_.ExpectTotalCount(action_histogram, 0);
// Metrics Updated for non_empty results.
results.emplace_back(CreateFakeResult(Type::FILE_SEARCH, "result_id"));
results.emplace_back(CreateFakeResult(Type::ASSISTANT, "result_id"));
metrics_manager_->OnIgnore(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 2);
histogram_tester_.ExpectBucketCount(view_histogram, Type::FILE_SEARCH, 1);
histogram_tester_.ExpectBucketCount(view_histogram, Type::ASSISTANT, 1);
histogram_tester_.ExpectUniqueSample(action_histogram, Action::kIgnore, 1);
// Duplicate type is counted once only.
results.emplace_back(CreateFakeResult(Type::FILE_SEARCH, "result_id"));
metrics_manager_->OnIgnore(location, results, query);
histogram_tester_.ExpectTotalCount(view_histogram, 4);
histogram_tester_.ExpectBucketCount(view_histogram, Type::FILE_SEARCH, 2);
histogram_tester_.ExpectBucketCount(view_histogram, Type::ASSISTANT, 2);
histogram_tester_.ExpectUniqueSample(action_histogram, Action::kIgnore, 2);
}
} // namespace app_list::test
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