src/local_aggregation_1_1/aggregation_procedures/count_aggregation_procedure_test.cc

// Copyright 2020 The Fuchsia 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 "src/local_aggregation_1_1/aggregation_procedures/count_aggregation_procedure.h"

#include <gtest/gtest.h>

#include "src/lib/util/datetime_util.h"
#include "src/local_aggregation_1_1/aggregation_procedures/aggregation_procedure.h"
#include "src/local_aggregation_1_1/aggregation_procedures/testing/test_aggregation_procedure.h"
#include "src/local_aggregation_1_1/testing/test_registry.cb.h"
#include "src/logger/project_context_factory.h"

namespace cobalt::local_aggregation {

class CountAggregationProcedureTest : public testing::TestAggregationProcedure {
 protected:
  std::unique_ptr<CountAggregationProcedure> GetProcedure(uint32_t metric_id, int report_index) {
    return std::make_unique<CountAggregationProcedure>(GetMetricDef(metric_id),
                                                       GetReportDef(metric_id, report_index));
  }
};

TEST_F(CountAggregationProcedureTest, UpdateAggregateWorks) {
  uint32_t metric_id = kOccurrenceMetricMetricId;
  std::unique_ptr<AggregationProcedure> procedure =
      GetProcedureFor(metric_id, kOccurrenceMetricFleetwideOccurrenceCountsReportReportIndex);

  ReportAggregate aggregate;
  const uint32_t kHourId = 1;
  const uint64_t system_profile_hash = uint64_t{56789};
  const uint32_t kNumEventCodes = 100;
  AddOccurrenceEventsForHour(kNumEventCodes, kHourId, system_profile_hash, *procedure, aggregate);

  ASSERT_TRUE(aggregate.hourly().by_hour_id().contains(kHourId));
  ASSERT_EQ(aggregate.hourly().by_hour_id().at(kHourId).system_profile_aggregates_size(), 1u);
  const SystemProfileAggregate &system_profile_agg =
      aggregate.hourly().by_hour_id().at(kHourId).system_profile_aggregates(0);
  EXPECT_EQ(system_profile_agg.system_profile_hash(), system_profile_hash);
  ASSERT_EQ(system_profile_agg.by_event_code_size(), kNumEventCodes);
  for (uint32_t i = 0; i < kNumEventCodes; ++i) {
    EXPECT_EQ(system_profile_agg.by_event_code(i).event_codes(0), i + 1);
    EXPECT_EQ(system_profile_agg.by_event_code(i).data().count(), i + 1);
  }
}

TEST_F(CountAggregationProcedureTest, UpdateAggregateWorksCountAsInt) {
  uint32_t metric_id = kOccurrenceMetricMetricId;
  std::unique_ptr<AggregationProcedure> procedure =
      GetProcedureFor(metric_id, kOccurrenceMetricHourlyDeviceHistogramsReportIndex);

  ReportAggregate aggregate;
  const uint32_t kHourId = 1;
  const uint64_t system_profile_hash = uint64_t{56789};
  const uint32_t kNumEventCodes = 100;
  AddOccurrenceEventsForHourWithCount(kNumEventCodes, 5, kHourId, system_profile_hash, *procedure,
                                      aggregate);

  ASSERT_TRUE(aggregate.hourly().by_hour_id().contains(kHourId));
  ASSERT_EQ(aggregate.hourly().by_hour_id().at(kHourId).system_profile_aggregates_size(), 1u);
  const SystemProfileAggregate &system_profile_agg =
      aggregate.hourly().by_hour_id().at(kHourId).system_profile_aggregates(0);
  EXPECT_EQ(system_profile_agg.system_profile_hash(), system_profile_hash);
  ASSERT_EQ(system_profile_agg.by_event_code_size(), kNumEventCodes);
  for (uint32_t i = 0; i < kNumEventCodes; ++i) {
    EXPECT_EQ(system_profile_agg.by_event_code(i).event_codes(0), i + 1);
    EXPECT_EQ(system_profile_agg.by_event_code(i).data().count(), (i + 1) * 5);
  }
}

TEST_F(CountAggregationProcedureTest, MergeAggregateDataBothSet) {
  AggregateData data;
  data.set_count(10);
  AggregateData merged_data;
  merged_data.set_count(20);

  std::unique_ptr<CountAggregationProcedure> procedure =
      GetProcedure(kOccurrenceMetricMetricId, kOccurrenceMetricHourlyDeviceHistogramsReportIndex);
  procedure->MergeAggregateData(merged_data, data);

  EXPECT_EQ(merged_data.count(), 30);
}

TEST_F(CountAggregationProcedureTest, MergeAggregateDataNeitherSet) {
  AggregateData data;
  AggregateData merged_data;

  std::unique_ptr<CountAggregationProcedure> procedure =
      GetProcedure(kOccurrenceMetricMetricId, kOccurrenceMetricHourlyDeviceHistogramsReportIndex);
  procedure->MergeAggregateData(merged_data, data);

  EXPECT_EQ(merged_data.count(), 0);
}

TEST_F(CountAggregationProcedureTest, MergeAggregateDataFromSet) {
  AggregateData data;
  data.set_count(10);
  AggregateData merged_data;

  std::unique_ptr<CountAggregationProcedure> procedure =
      GetProcedure(kOccurrenceMetricMetricId, kOccurrenceMetricHourlyDeviceHistogramsReportIndex);
  procedure->MergeAggregateData(merged_data, data);

  EXPECT_EQ(merged_data.count(), 10);
}

TEST_F(CountAggregationProcedureTest, MergeAggregateDataToSet) {
  AggregateData data;
  AggregateData merged_data;
  merged_data.set_count(20);

  std::unique_ptr<CountAggregationProcedure> procedure =
      GetProcedure(kOccurrenceMetricMetricId, kOccurrenceMetricHourlyDeviceHistogramsReportIndex);
  procedure->MergeAggregateData(merged_data, data);

  EXPECT_EQ(merged_data.count(), 20);
}

TEST_F(CountAggregationProcedureTest, GenerateObservationWorks) {
  uint32_t metric_id = kOccurrenceMetricMetricId;
  int report_index = kOccurrenceMetricFleetwideOccurrenceCountsReportReportIndex;
  std::unique_ptr<AggregationProcedure> procedure = GetProcedureFor(metric_id, report_index);

  ReportAggregate aggregate;
  const uint32_t kNumEventCodes = 10;
  ASSERT_GE(GetReportDef(metric_id, report_index).event_vector_buffer_max(), kNumEventCodes);

  const uint32_t kEndHourId = 11;
  const uint64_t system_profile_hash = uint64_t{56789};
  for (int hour_id = 1; hour_id <= kEndHourId; hour_id += 2) {
    AddOccurrenceEventsForHour(kNumEventCodes, hour_id, system_profile_hash, *procedure, aggregate);
  }

  util::TimeInfo info;
  info.hour_id = kEndHourId;
  lib::statusor::StatusOr<std::vector<ObservationAndSystemProfile>> observations_or =
      procedure->GenerateObservations(info, aggregate);
  ASSERT_EQ(observations_or.status().error_code(), StatusCode::OK);
  std::vector<ObservationAndSystemProfile> observations = std::move(observations_or).value();

  // Should only generate for kEndHourId
  ASSERT_EQ(observations.size(), 1u);
  EXPECT_EQ(observations[0].system_profile_hash, system_profile_hash);

  EXPECT_EQ(observations[0].observation->integer().values_size(), kNumEventCodes);

  for (const IntegerObservation::Value &value : observations[0].observation->integer().values()) {
    EXPECT_EQ(value.event_codes(0), value.value());
  }
  // Check that obsolete aggregates get cleaned up.
  procedure->ObservationsCommitted(aggregate, info, system_profile_hash);
  EXPECT_EQ(aggregate.hourly().by_hour_id_size(), 0);
}

TEST_F(CountAggregationProcedureTest, GenerateObservationWorksCountAsInt) {
  uint32_t metric_id = kOccurrenceMetricMetricId;
  int report_index = kOccurrenceMetricHourlyDeviceHistogramsReportIndex;
  std::unique_ptr<AggregationProcedure> procedure = GetProcedureFor(metric_id, report_index);

  ReportAggregate aggregate;
  const uint32_t kNumEventCodes = 10;
  ASSERT_GE(GetReportDef(metric_id, report_index).event_vector_buffer_max(), kNumEventCodes);

  const uint32_t kEndHourId = 11;
  const uint64_t system_profile_hash = uint64_t{56789};
  for (int hour_id = 1; hour_id <= kEndHourId; hour_id += 2) {
    AddOccurrenceEventsForHour(kNumEventCodes, hour_id, system_profile_hash, *procedure, aggregate);
  }

  util::TimeInfo info;
  info.hour_id = kEndHourId;
  lib::statusor::StatusOr<std::vector<ObservationAndSystemProfile>> observations_or =
      procedure->GenerateObservations(info, aggregate);
  ASSERT_EQ(observations_or.status().error_code(), StatusCode::OK);
  std::vector<ObservationAndSystemProfile> observations = std::move(observations_or).value();

  // Should only generate for kEndHourId
  ASSERT_EQ(observations.size(), 1u);
  EXPECT_EQ(observations[0].system_profile_hash, system_profile_hash);

  EXPECT_EQ(observations[0].observation->integer().values_size(), kNumEventCodes);

  for (const IntegerObservation::Value &value : observations[0].observation->integer().values()) {
    EXPECT_EQ(value.event_codes(0), value.value());
  }
  // Check that obsolete aggregates get cleaned up.
  procedure->ObservationsCommitted(aggregate, info, system_profile_hash);
  EXPECT_EQ(aggregate.hourly().by_hour_id_size(), 0);
}

}  // namespace cobalt::local_aggregation