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// Copyright 2021 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/execution/model_executor_impl.h"
#include <memory>
#include "base/functional/bind.h"
#include "base/functional/callback_forward.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/metrics_hashes.h"
#include "base/run_loop.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/gtest_util.h"
#include "base/test/mock_callback.h"
#include "base/test/simple_test_clock.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "components/segmentation_platform/internal/database/mock_signal_database.h"
#include "components/segmentation_platform/internal/database/signal_database.h"
#include "components/segmentation_platform/internal/database/test_segment_info_database.h"
#include "components/segmentation_platform/internal/execution/execution_request.h"
#include "components/segmentation_platform/internal/execution/mock_model_provider.h"
#include "components/segmentation_platform/internal/execution/model_execution_status.h"
#include "components/segmentation_platform/internal/execution/model_executor.h"
#include "components/segmentation_platform/internal/execution/processing/mock_feature_list_query_processor.h"
#include "components/segmentation_platform/internal/metadata/metadata_utils.h"
#include "components/segmentation_platform/public/model_provider.h"
#include "components/segmentation_platform/public/proto/aggregation.pb.h"
#include "components/segmentation_platform/public/proto/model_metadata.pb.h"
#include "components/segmentation_platform/public/proto/segmentation_platform.pb.h"
#include "components/segmentation_platform/public/proto/types.pb.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::base::test::RunOnceCallback;
using segmentation_platform::processing::FeatureListQueryProcessor;
using testing::_;
using testing::Invoke;
using testing::Return;
using testing::SaveArg;
using testing::SetArgReferee;
namespace segmentation_platform {
const SegmentId kSegmentId =
SegmentId::OPTIMIZATION_TARGET_SEGMENTATION_NEW_TAB;
class ModelExecutorTest : public testing::Test {
public:
ModelExecutorTest() : mock_model_(kSegmentId, base::DoNothing()) {}
~ModelExecutorTest() override = default;
void SetUp() override {
segment_database_ = std::make_unique<test::TestSegmentInfoDatabase>();
signal_database_ = std::make_unique<MockSignalDatabase>();
clock_.SetNow(base::Time::Now());
}
void TearDown() override {
model_executor_.reset();
// Allow for the SegmentationModelExecutor owned by ModelProvider
// to be destroyed.
RunUntilIdle();
segment_database_.reset();
signal_database_.reset();
}
void CreateModelExecutor() {
feature_list_query_processor_ =
std::make_unique<processing::MockFeatureListQueryProcessor>();
model_executor_ = std::make_unique<ModelExecutorImpl>(
&clock_, segment_database_.get(), feature_list_query_processor_.get());
}
void RunUntilIdle() { task_environment_.RunUntilIdle(); }
void ExecuteModel(const proto::SegmentInfo& info,
ModelProvider* model,
std::unique_ptr<ModelExecutionResult> expected) {
segment_database_->UpdateSegment(info.segment_id(), info.model_source(),
info, base::DoNothing());
base::RunLoop loop;
auto request = std::make_unique<ExecutionRequest>();
request->segment_id = info.segment_id();
request->model_source = info.model_source();
request->model_provider = model;
request->save_result_to_db = false;
request->callback = base::BindOnce(&ModelExecutorTest::OnExecutionCallback,
base::Unretained(this),
loop.QuitClosure(), std::move(expected));
model_executor_->ExecuteModel(std::move(request));
loop.Run();
}
void OnExecutionCallback(base::RepeatingClosure closure,
std::unique_ptr<ModelExecutionResult> expected,
std::unique_ptr<ModelExecutionResult> actual) {
EXPECT_EQ(expected->status, actual->status);
EXPECT_EQ(expected->scores, actual->scores);
EXPECT_EQ(expected->inputs, actual->inputs);
std::move(closure).Run();
}
protected:
base::test::TaskEnvironment task_environment_;
MockModelProvider mock_model_;
base::SimpleTestClock clock_;
std::unique_ptr<test::TestSegmentInfoDatabase> segment_database_;
std::unique_ptr<MockSignalDatabase> signal_database_;
std::unique_ptr<processing::MockFeatureListQueryProcessor>
feature_list_query_processor_;
std::unique_ptr<ModelExecutorImpl> model_executor_;
};
TEST_F(ModelExecutorTest, MetadataTests) {
CreateModelExecutor();
proto::SegmentInfo segment_info;
segment_info.set_segment_id(kSegmentId);
segment_info.set_model_source(ModelSource::SERVER_MODEL_SOURCE);
EXPECT_CALL(mock_model_, ModelAvailable()).WillRepeatedly(Return(true));
ExecuteModel(segment_info, &mock_model_,
std::make_unique<ModelExecutionResult>(
ModelExecutionStatus::kSkippedInvalidMetadata));
auto& model_metadata = *segment_info.mutable_model_metadata();
model_metadata.set_bucket_duration(14);
model_metadata.set_time_unit(proto::TimeUnit::UNKNOWN_TIME_UNIT);
ExecuteModel(segment_info, &mock_model_,
std::make_unique<ModelExecutionResult>(
ModelExecutionStatus::kSkippedInvalidMetadata));
}
TEST_F(ModelExecutorTest, ModelNotReady) {
CreateModelExecutor();
proto::SegmentInfo segment_info;
segment_info.set_segment_id(kSegmentId);
segment_info.set_model_source(ModelSource::SERVER_MODEL_SOURCE);
auto& model_metadata = *segment_info.mutable_model_metadata();
model_metadata.set_bucket_duration(14);
model_metadata.set_time_unit(proto::TimeUnit::UNKNOWN_TIME_UNIT);
// When the model is unavailable, the execution should fail.
EXPECT_CALL(mock_model_, ModelAvailable()).WillRepeatedly(Return(false));
ExecuteModel(segment_info, &mock_model_,
std::make_unique<ModelExecutionResult>(
ModelExecutionStatus::kSkippedModelNotReady));
}
TEST_F(ModelExecutorTest, FailedFeatureProcessing) {
CreateModelExecutor();
// Initialize with required metadata.
const SegmentId segment_id = kSegmentId;
segment_database_->SetBucketDuration(segment_id, 3, proto::TimeUnit::HOUR);
std::string user_action_name = "some_user_action";
segment_database_->AddUserActionFeature(segment_id, user_action_name, 3, 3,
proto::Aggregation::BUCKETED_COUNT);
EXPECT_CALL(*feature_list_query_processor_,
ProcessFeatureList(
_, _, segment_id, clock_.Now(), base::Time(),
FeatureListQueryProcessor::ProcessOption::kInputsOnly, _))
.WillOnce(RunOnceCallback<6>(/*error=*/true,
ModelProvider::Request{1, 2, 3},
ModelProvider::Response()));
// The input tensor should contain all values flattened to a single vector.
EXPECT_CALL(mock_model_, ModelAvailable()).WillRepeatedly(Return(true));
EXPECT_CALL(mock_model_, ExecuteModelWithInput(_, _)).Times(0);
ExecuteModel(*segment_database_->FindOrCreateSegment(segment_id),
&mock_model_,
std::make_unique<ModelExecutionResult>(
ModelExecutionStatus::kSkippedInvalidMetadata));
EXPECT_CALL(*feature_list_query_processor_,
ProcessFeatureList(
_, _, segment_id, clock_.Now(), base::Time(),
FeatureListQueryProcessor::ProcessOption::kInputsOnly, _))
.WillOnce(RunOnceCallback<6>(/*error=*/true, ModelProvider::Request(),
ModelProvider::Response()));
ExecuteModel(*segment_database_->FindOrCreateSegment(segment_id),
&mock_model_,
std::make_unique<ModelExecutionResult>(
ModelExecutionStatus::kSkippedInvalidMetadata));
}
TEST_F(ModelExecutorTest, ExecuteModelWithMultipleFeatures) {
CreateModelExecutor();
// Initialize with required metadata.
segment_database_->SetBucketDuration(kSegmentId, 3, proto::TimeUnit::HOUR);
std::string user_action_name = "some_user_action";
segment_database_->AddUserActionFeature(kSegmentId, user_action_name, 3, 3,
proto::Aggregation::BUCKETED_COUNT);
const ModelProvider::Request inputs{1, 2, 3, 4, 5, 6, 7};
EXPECT_CALL(*feature_list_query_processor_,
ProcessFeatureList(
_, _, kSegmentId, clock_.Now(), base::Time(),
FeatureListQueryProcessor::ProcessOption::kInputsOnly, _))
.WillOnce(RunOnceCallback<6>(/*error=*/false, inputs,
ModelProvider::Response()));
// The input tensor should contain all values flattened to a single vector.
EXPECT_CALL(mock_model_, ModelAvailable()).WillRepeatedly(Return(true));
EXPECT_CALL(mock_model_, ExecuteModelWithInput(inputs, _))
.WillOnce(
RunOnceCallback<1>(std::optional<ModelProvider::Response>{{0.8}}));
ExecuteModel(
*segment_database_->FindOrCreateSegment(kSegmentId), &mock_model_,
std::make_unique<ModelExecutionResult>(ModelProvider::Request(inputs),
ModelProvider::Response(1, 0.8)));
}
} // namespace segmentation_platform
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