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// 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/segmentation_platform/segmentation_platform_config.h"
#include <memory>
#include <vector>
#include "base/containers/flat_set.h"
#include "base/metrics/field_trial.h"
#include "base/strings/strcat.h"
#include "base/test/scoped_feature_list.h"
#include "components/segmentation_platform/public/config.h"
#include "components/segmentation_platform/public/features.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace segmentation_platform {
class SegmentationPlatformConfigTest : public testing::Test {
public:
SegmentationPlatformConfigTest() = default;
~SegmentationPlatformConfigTest() override = default;
void EnableFeaturesWithParams(
const std::vector<base::test::FeatureRefAndParams>& enabled_features) {
scoped_feature_list_.InitWithFeaturesAndParameters(enabled_features, {});
// Activate each field trial so that these trials are considered as Active
// groups. the FieldTrialList currently does not consider force enabled
// trials as "active" by default.
for (const auto& feature : enabled_features) {
constexpr char kTrialPrefix[] = "scoped_feature_list_trial_for_";
auto* field_trial = base::FieldTrialList::Find(
base::StrCat({kTrialPrefix, feature.feature->name}));
ASSERT_TRUE(field_trial);
field_trial->Activate();
}
}
protected:
base::test::ScopedFeatureList scoped_feature_list_;
};
TEST_F(SegmentationPlatformConfigTest, GetSegmentationPlatformConfig) {
std::vector<std::unique_ptr<Config>> configs =
GetSegmentationPlatformConfig(nullptr, nullptr);
for (const auto& config : configs) {
EXPECT_TRUE(config.get());
}
}
TEST_F(SegmentationPlatformConfigTest, EmptyFeatures) {
std::vector<std::unique_ptr<Config>> configs;
AppendConfigsFromExperiments(configs);
EXPECT_TRUE(configs.empty());
}
TEST_F(SegmentationPlatformConfigTest, BadFormat) {
std::vector<base::test::FeatureRefAndParams> features;
features.push_back(base::test::FeatureRefAndParams(
features::kSegmentationPlatformLowEngagementFeature,
{{"segmentation_platform_add_config_param", "bad_json"}}));
EnableFeaturesWithParams(features);
std::vector<std::unique_ptr<Config>> configs;
AppendConfigsFromExperiments(configs);
EXPECT_TRUE(configs.empty());
}
MATCHER_P2(DoesConfigMatch, key, segment_ids, "") {
if (segment_ids.size() != arg->segments.size())
return false;
for (auto segment : segment_ids) {
if (arg->segments.count(segment) == 0)
return false;
}
return arg->segmentation_key == key;
}
TEST_F(SegmentationPlatformConfigTest, MultipleConfigs) {
constexpr char kValidConfig1[] = R"({
"segmentation_key": "test_key",
"segmentation_uma_name": "TestKey",
"segments": {
"4" : {"segment_uma_name" : "LowEngagement"},
"6" : {"segment_uma_name" : "HighEngagement"},
"5" : {"segment_uma_name" : "MediumEngagement"}
},
"segment_selection_ttl_days": 10
})";
constexpr char kValidConfig2[] = R"({
"segmentation_key": "test_key1",
"segmentation_uma_name": "TestKey1",
"segments": {
"10" : {"segment_uma_name" : "FeedUser"}
},
"segment_selection_ttl_days": 10,
"unknown_segment_selection_ttl_days": 14
})";
const base::flat_set<proto::SegmentId> segment_ids1 = {
proto::SegmentId::OPTIMIZATION_TARGET_SEGMENTATION_NEW_TAB,
proto::SegmentId::OPTIMIZATION_TARGET_SEGMENTATION_SHARE,
proto::SegmentId::OPTIMIZATION_TARGET_SEGMENTATION_VOICE};
const base::flat_set<proto::SegmentId> segment_ids2 = {
proto::SegmentId::OPTIMIZATION_TARGET_SEGMENTATION_DUMMY};
std::vector<base::test::FeatureRefAndParams> features;
features.push_back(base::test::FeatureRefAndParams(
features::kSegmentationPlatformLowEngagementFeature,
{{"segmentation_platform_add_config_param", "bad_json"}}));
features.push_back(base::test::FeatureRefAndParams(
features::kSegmentationPlatformFeedSegmentFeature,
{{"segmentation_platform_add_config_param", kValidConfig1}}));
features.push_back(base::test::FeatureRefAndParams(
features::kShoppingUserSegmentFeature,
{{"segmentation_platform_add_config_param", kValidConfig2}}));
EnableFeaturesWithParams(features);
std::vector<std::unique_ptr<Config>> configs;
AppendConfigsFromExperiments(configs);
ASSERT_EQ(2u, configs.size());
EXPECT_THAT(configs, testing::UnorderedElementsAre(
DoesConfigMatch("test_key", segment_ids1),
DoesConfigMatch("test_key1", segment_ids2)));
}
} // namespace segmentation_platform
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