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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 "components/segmentation_platform/internal/data_collection/training_data_cache.h"
#include "base/functional/callback_helpers.h"
#include "base/test/task_environment.h"
#include "components/segmentation_platform/internal/database/segment_info_database.h"
#include "components/segmentation_platform/internal/database/test_segment_info_database.h"
#include "components/segmentation_platform/internal/proto/model_prediction.pb.h"
#include "components/segmentation_platform/public/proto/segmentation_platform.pb.h"
#include "components/segmentation_platform/public/trigger.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace segmentation_platform {
namespace {
// Test Ids.
const proto::SegmentId kSegmentId =
proto::SegmentId::OPTIMIZATION_TARGET_SEGMENTATION_NEW_TAB;
const TrainingRequestId kRequestId = TrainingRequestId::FromUnsafeValue(1);
} // namespace
class TrainingDataCacheTest : public testing::Test {
public:
TrainingDataCacheTest() = default;
~TrainingDataCacheTest() override = default;
protected:
void SetUp() override {
DCHECK(!training_data_cache_);
test_segment_info_db_ = std::make_unique<test::TestSegmentInfoDatabase>();
training_data_cache_ =
std::make_unique<TrainingDataCache>(test_segment_info_db_.get());
}
void TearDown() override { training_data_cache_.reset(); }
void VerifyGetInputsAndDelete(SegmentId segment_id,
ModelSource model_source,
TrainingRequestId request_id,
absl::optional<proto::TrainingData> expected) {
training_data_cache_->GetInputsAndDelete(
kSegmentId, model_source, kRequestId,
base::BindOnce(&TrainingDataCacheTest::OnGetTrainingData,
base::Unretained(this), expected));
}
void OnGetTrainingData(absl::optional<proto::TrainingData> expected,
absl::optional<proto::TrainingData> actual) {
EXPECT_EQ(actual.has_value(), expected.has_value());
if (expected.has_value()) {
EXPECT_EQ(actual.value().inputs_size(), expected.value().inputs_size());
for (int i = 0; i < expected.value().inputs_size(); i++) {
EXPECT_EQ(actual.value().inputs(i), expected.value().inputs(i));
}
}
}
base::test::TaskEnvironment task_environment_;
std::unique_ptr<SegmentInfoDatabase> test_segment_info_db_;
std::unique_ptr<TrainingDataCache> training_data_cache_;
};
TEST_F(TrainingDataCacheTest, GetTrainingDataFromEmptyCache) {
// Empty cache should return no result.
VerifyGetInputsAndDelete(kSegmentId, ModelSource::DEFAULT_MODEL_SOURCE,
kRequestId, absl::nullopt);
VerifyGetInputsAndDelete(kSegmentId, ModelSource::SERVER_MODEL_SOURCE,
kRequestId, absl::nullopt);
}
TEST_F(TrainingDataCacheTest, GetTrainingDataFromCache) {
proto::TrainingData training_data;
training_data.add_inputs(1);
training_data.set_request_id(kRequestId.GetUnsafeValue());
// Store a training data request to cache.
training_data_cache_->StoreInputs(
kSegmentId, ModelSource::SERVER_MODEL_SOURCE, training_data,
/*save_to_db*/ false);
// Cache/DB doesn't have entry for default model source for given segment.
VerifyGetInputsAndDelete(kSegmentId, ModelSource::DEFAULT_MODEL_SOURCE,
kRequestId, absl::nullopt);
// Cache will return and delete the corresponding training data.
VerifyGetInputsAndDelete(kSegmentId, ModelSource::SERVER_MODEL_SOURCE,
kRequestId, training_data);
// Cache/DB will return no result since the request has been deleted.
VerifyGetInputsAndDelete(kSegmentId, ModelSource::SERVER_MODEL_SOURCE,
kRequestId, absl::nullopt);
}
TEST_F(TrainingDataCacheTest, GetTrainingDataFromDB) {
proto::TrainingData training_data;
training_data.add_inputs(1);
training_data.set_request_id(kRequestId.GetUnsafeValue());
// Store a training data request to the DB.
test_segment_info_db_->SaveTrainingData(
kSegmentId, proto::ModelSource::DEFAULT_MODEL_SOURCE, training_data,
base::DoNothing());
// Cache/DB doesn't have entry for server model source for given segment.
VerifyGetInputsAndDelete(kSegmentId, ModelSource::SERVER_MODEL_SOURCE,
kRequestId, absl::nullopt);
// DB will return and delete the corresponding training data.
VerifyGetInputsAndDelete(kSegmentId, ModelSource::DEFAULT_MODEL_SOURCE,
kRequestId, training_data);
// Cache/DB will return no result since the request has been deleted.
VerifyGetInputsAndDelete(kSegmentId, ModelSource::DEFAULT_MODEL_SOURCE,
kRequestId, absl::nullopt);
}
} // namespace segmentation_platform
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