blob: 4cc2261068f7c654bb49c8274ec58a526bfb0236 [file] [log] [blame]
// Copyright 2018 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 "logger/logger.h"
#include <google/protobuf/text_format.h>
#include <google/protobuf/util/message_differencer.h>
#include <chrono>
#include <memory>
#include <string>
#include "./gtest.h"
#include "./observation.pb.h"
#include "./observation2.pb.h"
#include "algorithms/rappor/rappor_encoder.h"
#include "config/encodings.pb.h"
#include "encoder/client_secret.h"
#include "encoder/encoder.h"
#include "logger/encoder.h"
#include "logger/event_aggregator.h"
#include "logger/logger_test_utils.h"
#include "logger/project_context.h"
#include "logger/status.h"
#include "util/clock.h"
#include "util/datetime_util.h"
#include "util/encrypted_message_util.h"
using ::google::protobuf::RepeatedPtrField;
using ::google::protobuf::util::MessageDifferencer;
namespace cobalt {
using encoder::ClientSecret;
using encoder::SystemDataInterface;
using rappor::BasicRapporEncoder;
using util::EncryptedMessageMaker;
using util::IncrementingClock;
using util::MessageDecrypter;
using util::TimeToDayIndex;
namespace logger {
using testing::CheckNumericEventObservations;
using testing::CheckUniqueActivesObservations;
using testing::ExpectedAggregationParams;
using testing::ExpectedUniqueActivesObservations;
using testing::FakeObservationStore;
using testing::FetchAggregatedObservations;
using testing::FetchObservations;
using testing::FetchSingleObservation;
using testing::MakeNullExpectedUniqueActivesObservations;
using testing::MockConsistentProtoStore;
using testing::PopulateMetricDefinitions;
using testing::TestUpdateRecipient;
namespace {
// Number of seconds in an ideal year
const int kYear = kDay * 365;
static const uint32_t kCustomerId = 1;
static const uint32_t kProjectId = 1;
static const char kCustomerName[] = "Fuchsia";
static const char kProjectName[] = "Cobalt";
// Filenames for constructors of ConsistentProtoStores
static const char kAggregateStoreFilename[] = "local_aggregate_store_backup";
static const char kObsHistoryFilename[] = "obs_history_backup";
// Metric IDs
const uint32_t kErrorOccurredMetricId = 1;
const uint32_t kReadCacheHitsMetricId = 2;
const uint32_t kModuleLoadTimeMetricId = 3;
const uint32_t kLoginModuleFrameRateMetricId = 4;
const uint32_t kLedgerMemoryUsageMetricId = 5;
const uint32_t kFileSystemWriteTimesMetricId = 6;
const uint32_t kModuleDownloadsMetricId = 7;
const uint32_t kModuleInstallsMetricId = 8;
const uint32_t kDeviceBootsMetricId = 9;
const uint32_t kFeaturesActiveMetricId = 10;
const uint32_t kEventsOccurredMetricId = 11;
// MetricReportIds
const MetricReportId kDeviceBoots_UniqueDevicesMetricReportId =
MetricReportId(kDeviceBootsMetricId, 91);
const MetricReportId kFeaturesActive_UniqueDevicesMetricReportId =
MetricReportId(kFeaturesActiveMetricId, 201);
const MetricReportId kEventsOccurred_SimpleOccurrenceCountMetricReportId =
MetricReportId(kEventsOccurredMetricId, 301);
const MetricReportId kEventsOccurred_UniqueDevicesMetricReportId =
MetricReportId(kEventsOccurredMetricId, 401);
static const char kMetricDefinitions[] = R"(
metric {
metric_name: "ErrorOccurred"
metric_type: EVENT_OCCURRED
customer_id: 1
project_id: 1
id: 1
max_event_code: 100
reports: {
report_name: "ErrorCountsByCode"
id: 123
report_type: SIMPLE_OCCURRENCE_COUNT
local_privacy_noise_level: SMALL
}
}
metric {
metric_name: "ReadCacheHits"
metric_type: EVENT_COUNT
customer_id: 1
project_id: 1
id: 2
reports: {
report_name: "ReadCacheHitCounts"
id: 111
report_type: EVENT_COMPONENT_OCCURRENCE_COUNT
}
}
metric {
metric_name: "ModuleLoadTime"
metric_type: ELAPSED_TIME
customer_id: 1
project_id: 1
id: 3
reports: {
report_name: "ModuleLoadTime_Aggregated"
id: 121
report_type: NUMERIC_AGGREGATION
}
reports: {
report_name: "ModuleLoadTime_Histogram"
id: 221
report_type: INT_RANGE_HISTOGRAM
}
reports: {
report_name: "ModuleLoadTime_RawDump"
id: 321
report_type: NUMERIC_PERF_RAW_DUMP
}
}
metric {
metric_name: "LoginModuleFrameRate"
metric_type: FRAME_RATE
customer_id: 1
project_id: 1
id: 4
reports: {
report_name: "LoginModuleFrameRate_Aggregated"
id: 131
report_type: NUMERIC_AGGREGATION
}
reports: {
report_name: "LoginModuleFrameRate_Histogram"
id: 231
report_type: INT_RANGE_HISTOGRAM
}
reports: {
report_name: "LoginModuleFrameRate_RawDump"
id: 331
report_type: NUMERIC_PERF_RAW_DUMP
}
}
metric {
metric_name: "LedgerMemoryUsage"
metric_type: MEMORY_USAGE
customer_id: 1
project_id: 1
id: 5
reports: {
report_name: "LedgerMemoryUsage_Aggregated"
id: 141
report_type: NUMERIC_AGGREGATION
}
reports: {
report_name: "LedgerMemoryUsage_Histogram"
id: 241
report_type: INT_RANGE_HISTOGRAM
}
}
metric {
metric_name: "FileSystemWriteTimes"
metric_type: INT_HISTOGRAM
int_buckets: {
linear: {
floor: 0
num_buckets: 10
step_size: 1
}
}
customer_id: 1
project_id: 1
id: 6
reports: {
report_name: "FileSystemWriteTimes_Histogram"
id: 151
report_type: INT_RANGE_HISTOGRAM
}
}
metric {
metric_name: "ModuleDownloads"
metric_type: STRING_USED
customer_id: 1
project_id: 1
id: 7
reports: {
report_name: "ModuleDownloads_HeavyHitters"
id: 161
report_type: HIGH_FREQUENCY_STRING_COUNTS
local_privacy_noise_level: SMALL
expected_population_size: 20000
expected_string_set_size: 10000
}
reports: {
report_name: "ModuleDownloads_WithThreshold"
id: 261
report_type: STRING_COUNTS_WITH_THRESHOLD
threshold: 200
}
}
metric {
metric_name: "ModuleInstalls"
metric_type: CUSTOM
customer_id: 1
project_id: 1
id: 8
reports: {
report_name: "ModuleInstalls_DetailedData"
id: 125
report_type: CUSTOM_RAW_DUMP
}
}
metric {
metric_name: "DeviceBoots"
metric_type: EVENT_OCCURRED
customer_id: 1
project_id: 1
id: 9
max_event_code: 1
reports: {
report_name: "DeviceBoots_UniqueDevices"
id: 91
report_type: UNIQUE_N_DAY_ACTIVES
local_privacy_noise_level: SMALL
window_size: 1
}
}
metric {
metric_name: "FeaturesActive"
metric_type: EVENT_OCCURRED
customer_id: 1
project_id: 1
id: 10
max_event_code: 4
reports: {
report_name: "FeaturesActive_UniqueDevices"
id: 201
report_type: UNIQUE_N_DAY_ACTIVES
local_privacy_noise_level: LARGE
window_size: 1
window_size: 7
window_size: 30
}
}
metric {
metric_name: "EventsOccurred"
metric_type: EVENT_OCCURRED
customer_id: 1
project_id: 1
id: 11
max_event_code: 4
reports: {
report_name: "SomeEventsOccurred_SimpleCount"
id: 301
report_type: SIMPLE_OCCURRENCE_COUNT
local_privacy_noise_level: MEDIUM
}
reports: {
report_name: "EventsOccurred_UniqueDevices"
id: 401
report_type: UNIQUE_N_DAY_ACTIVES
local_privacy_noise_level: MEDIUM
window_size: 1
window_size: 7
}
}
)";
// Expected parameters of the locally aggregated reports in
// |kMetricDefinitions|.
static const ExpectedAggregationParams kExpectedAggregationParams = {
/* The total number of locally aggregated Observations which should be
generated for each day index. */
27,
/* The MetricReportIds of the locally aggregated reports in this
configuration. */
{kDeviceBoots_UniqueDevicesMetricReportId,
kFeaturesActive_UniqueDevicesMetricReportId,
kEventsOccurred_UniqueDevicesMetricReportId},
/* The number of Observations which should be generated for each day
index, broken down by MetricReportId. */
{{kDeviceBoots_UniqueDevicesMetricReportId, 2},
{kFeaturesActive_UniqueDevicesMetricReportId, 15},
{kEventsOccurred_UniqueDevicesMetricReportId, 10}},
/* The number of event codes for each MetricReportId. */
{{kDeviceBoots_UniqueDevicesMetricReportId, 2},
{kFeaturesActive_UniqueDevicesMetricReportId, 5},
{kEventsOccurred_UniqueDevicesMetricReportId, 5}},
/* The set of window sizes for each MetricReportId. */
{{kDeviceBoots_UniqueDevicesMetricReportId, {1}},
{kFeaturesActive_UniqueDevicesMetricReportId, {1, 7, 30}},
{kEventsOccurred_UniqueDevicesMetricReportId, {1, 7}}}};
// A set of MetricDefinitions of type EVENT_OCCURRED, each of which has a
// UNIQUE_N_DAY_ACTIVES report with local_privacy_noise_level set to NONE.
static const char kNoiseFreeUniqueActivesMetricDefinitions[] = R"(
metric {
metric_name: "DeviceBoots"
metric_type: EVENT_OCCURRED
customer_id: 1
project_id: 1
id: 9
max_event_code: 1
reports: {
report_name: "DeviceBoots_UniqueDevices"
id: 91
report_type: UNIQUE_N_DAY_ACTIVES
local_privacy_noise_level: NONE
window_size: 1
}
}
metric {
metric_name: "FeaturesActive"
metric_type: EVENT_OCCURRED
customer_id: 1
project_id: 1
id: 10
max_event_code: 4
reports: {
report_name: "SomeFeaturesActive_UniqueDevices"
id: 201
report_type: UNIQUE_N_DAY_ACTIVES
local_privacy_noise_level: NONE
window_size: 1
window_size: 7
window_size: 30
}
}
metric {
metric_name: "EventsOccurred"
metric_type: EVENT_OCCURRED
customer_id: 1
project_id: 1
id: 11
max_event_code: 4
reports: {
report_name: "SomeEventsOccurred_SimpleCount"
id: 301
report_type: SIMPLE_OCCURRENCE_COUNT
local_privacy_noise_level: NONE
}
reports: {
report_name: "SomeEventsOccurred_UniqueDevices"
id: 401
report_type: UNIQUE_N_DAY_ACTIVES
local_privacy_noise_level: NONE
window_size: 1
window_size: 7
}
}
)";
// Expected parameters of the locally aggregated reports in
// |kNoiseFreeUniqueActivesMetricDefinitions|.
static const ExpectedAggregationParams
kNoiseFreeUniqueActivesExpectedAggregationParams = {
/* The total number of locally aggregated Observations which should be
generated for each day index. */
27,
/* The MetricReportIds of the locally aggregated reports in this
configuration. */
{kDeviceBoots_UniqueDevicesMetricReportId,
kFeaturesActive_UniqueDevicesMetricReportId,
kEventsOccurred_UniqueDevicesMetricReportId},
/* The number of Observations which should be generated for each day
index, broken down by MetricReportId. */
{{kDeviceBoots_UniqueDevicesMetricReportId, 2},
{kFeaturesActive_UniqueDevicesMetricReportId, 15},
{kEventsOccurred_UniqueDevicesMetricReportId, 10}},
/* The number of event codes for each MetricReportId. */
{{kDeviceBoots_UniqueDevicesMetricReportId, 2},
{kFeaturesActive_UniqueDevicesMetricReportId, 5},
{kEventsOccurred_UniqueDevicesMetricReportId, 5}},
/* The set of window sizes for each MetricReportId. */
{{kDeviceBoots_UniqueDevicesMetricReportId, {1}},
{kFeaturesActive_UniqueDevicesMetricReportId, {1, 7, 30}},
{kEventsOccurred_UniqueDevicesMetricReportId, {1, 7}}}};
HistogramPtr NewHistogram(std::vector<uint32_t> indices,
std::vector<uint32_t> counts) {
CHECK(indices.size() == counts.size());
HistogramPtr histogram =
std::make_unique<RepeatedPtrField<HistogramBucket>>();
for (auto i = 0u; i < indices.size(); i++) {
auto* bucket = histogram->Add();
bucket->set_index(indices[i]);
bucket->set_count(counts[i]);
}
return histogram;
}
EventValuesPtr NewCustomEvent(std::vector<std::string> dimension_names,
std::vector<CustomDimensionValue> values) {
CHECK(dimension_names.size() == values.size());
EventValuesPtr custom_event = std::make_unique<
google::protobuf::Map<std::string, CustomDimensionValue>>();
for (auto i = 0u; i < values.size(); i++) {
(*custom_event)[dimension_names[i]] = values[i];
}
return custom_event;
}
} // namespace
class LoggerTest : public ::testing::Test {
protected:
void SetUp() {
SetUpFromMetrics(kMetricDefinitions, kExpectedAggregationParams);
}
// Set up LoggerTest using serialized MetricDefinitions.
void SetUpFromMetrics(
const char metric_string[],
const ExpectedAggregationParams expected_aggregation_params) {
auto metric_definitions = std::make_unique<MetricDefinitions>();
ASSERT_TRUE(
PopulateMetricDefinitions(metric_string, metric_definitions.get()));
expected_aggregation_params_ = expected_aggregation_params;
project_context_.reset(new ProjectContext(kCustomerId, kProjectId,
kCustomerName, kProjectName,
std::move(metric_definitions)));
observation_store_.reset(new FakeObservationStore);
update_recipient_.reset(new TestUpdateRecipient);
observation_encrypter_.reset(
new EncryptedMessageMaker("", EncryptedMessage::NONE));
observation_writer_.reset(
new ObservationWriter(observation_store_.get(), update_recipient_.get(),
observation_encrypter_.get()));
encoder_.reset(
new Encoder(ClientSecret::GenerateNewSecret(), system_data_.get()));
local_aggregate_proto_store_.reset(
new MockConsistentProtoStore(kAggregateStoreFilename));
obs_history_proto_store_.reset(
new MockConsistentProtoStore(kObsHistoryFilename));
event_aggregator_.reset(new EventAggregator(
encoder_.get(), observation_writer_.get(),
local_aggregate_proto_store_.get(), obs_history_proto_store_.get()));
logger_.reset(new Logger(encoder_.get(), event_aggregator_.get(),
observation_writer_.get(),
project_context_.get()));
// Create a mock clock which does not increment by default when called.
// Set the time to 1 year after the start of Unix time so that the start
// date of any aggregation window falls after the start of time.
mock_clock_ = new IncrementingClock(std::chrono::system_clock::duration(0));
mock_clock_->set_time(
std::chrono::system_clock::time_point(std::chrono::seconds(kYear)));
logger_->SetClock(mock_clock_);
}
void TearDown() {
event_aggregator_.reset();
logger_.reset();
}
// Returns the day index of the current day according to |mock_clock_|, in
// |time_zone|, without incrementing the clock.
uint32_t CurrentDayIndex(MetricDefinition::TimeZonePolicy time_zone) {
return TimeToDayIndex(
std::chrono::system_clock::to_time_t(mock_clock_->peek_now()),
time_zone);
}
// Advances |mock_clock_| by |num_days| days.
void AdvanceDay(int num_days) {
mock_clock_->increment_by(std::chrono::seconds(kDay) * num_days);
}
// Clears the FakeObservationStore and resets counts of Observations received
// by the FakeObservationStore and the TestUpdateRecipient.
void ResetObservationStore() {
observation_store_->messages_received.clear();
observation_store_->metadata_received.clear();
observation_store_->ResetObservationCounter();
update_recipient_->invocation_count = 0;
}
Status GenerateAggregatedObservations(uint32_t day_index) {
return event_aggregator_->GenerateObservationsNoWorker(day_index);
}
Status GarbageCollectAggregateStore(uint32_t day_index) {
return event_aggregator_->GarbageCollect(day_index);
}
std::unique_ptr<Logger> logger_;
std::unique_ptr<Encoder> encoder_;
std::unique_ptr<EventAggregator> event_aggregator_;
std::unique_ptr<ObservationWriter> observation_writer_;
std::unique_ptr<FakeObservationStore> observation_store_;
std::unique_ptr<TestUpdateRecipient> update_recipient_;
std::unique_ptr<EncryptedMessageMaker> observation_encrypter_;
std::unique_ptr<ProjectContext> project_context_;
std::unique_ptr<SystemDataInterface> system_data_;
std::unique_ptr<MockConsistentProtoStore> local_aggregate_proto_store_;
std::unique_ptr<MockConsistentProtoStore> obs_history_proto_store_;
ExpectedAggregationParams expected_aggregation_params_;
IncrementingClock* mock_clock_;
};
// Creates a Logger whose ProjectContext contains only EVENT_OCCURRED metrics,
// each of which has a report of type UNIQUE_N_DAY_ACTIVES with
// local_privacy_noise_level set to NONE. Used to test the values of
// UniqueActivesObservations generated by the EventAggregator.
class UniqueActivesLoggerTest : public LoggerTest {
protected:
void SetUp() {
SetUpFromMetrics(kNoiseFreeUniqueActivesMetricDefinitions,
kNoiseFreeUniqueActivesExpectedAggregationParams);
}
};
// Tests the method LogEvent().
TEST_F(LoggerTest, LogEvent) {
ASSERT_EQ(kOK, logger_->LogEvent(kErrorOccurredMetricId, 42));
Observation2 observation;
uint32_t expected_report_id = 123;
ASSERT_TRUE(FetchSingleObservation(&observation, expected_report_id,
observation_store_.get(),
update_recipient_.get()));
ASSERT_TRUE(observation.has_basic_rappor());
EXPECT_FALSE(observation.basic_rappor().data().empty());
}
// Tests the method LogEventCount().
TEST_F(LoggerTest, LogEventcount) {
std::vector<uint32_t> expected_report_ids = {111};
ASSERT_EQ(kOK, logger_->LogEventCount(kReadCacheHitsMetricId, 43,
"component2", 1, 303));
EXPECT_TRUE(CheckNumericEventObservations(
expected_report_ids, 43u, "component2", 303, observation_store_.get(),
update_recipient_.get()));
}
// Tests the method LogElapsedTime().
TEST_F(LoggerTest, LogElapsedTime) {
std::vector<uint32_t> expected_report_ids = {121, 221, 321};
ASSERT_EQ(kOK, logger_->LogElapsedTime(kModuleLoadTimeMetricId, 44,
"component4", 4004));
EXPECT_TRUE(CheckNumericEventObservations(
expected_report_ids, 44u, "component4", 4004, observation_store_.get(),
update_recipient_.get()));
}
// Tests the method LogFrameRate().
TEST_F(LoggerTest, LogFrameRate) {
std::vector<uint32_t> expected_report_ids = {131, 231, 331};
ASSERT_EQ(kOK, logger_->LogFrameRate(kLoginModuleFrameRateMetricId, 45,
"component5", 5.123));
EXPECT_TRUE(CheckNumericEventObservations(
expected_report_ids, 45u, "component5", 5123, observation_store_.get(),
update_recipient_.get()));
}
// Tests the method LogMemoryUsage().
TEST_F(LoggerTest, LogMemoryUsage) {
std::vector<uint32_t> expected_report_ids = {141, 241};
ASSERT_EQ(kOK, logger_->LogMemoryUsage(kLedgerMemoryUsageMetricId, 46,
"component6", 606));
EXPECT_TRUE(CheckNumericEventObservations(
expected_report_ids, 46u, "component6", 606, observation_store_.get(),
update_recipient_.get()));
}
// Tests the method LogIntHistogram().
TEST_F(LoggerTest, LogIntHistogram) {
std::vector<uint32_t> indices = {0, 1, 2, 3};
std::vector<uint32_t> counts = {100, 101, 102, 103};
auto histogram = NewHistogram(indices, counts);
ASSERT_EQ(kOK, logger_->LogIntHistogram(kFileSystemWriteTimesMetricId, 47,
"component7", std::move(histogram)));
Observation2 observation;
uint32_t expected_report_id = 151;
ASSERT_TRUE(FetchSingleObservation(&observation, expected_report_id,
observation_store_.get(),
update_recipient_.get()));
ASSERT_TRUE(observation.has_histogram());
auto histogram_observation = observation.histogram();
EXPECT_EQ(47u, histogram_observation.event_code());
EXPECT_EQ(histogram_observation.component_name_hash().size(), 32u);
EXPECT_EQ(static_cast<size_t>(histogram_observation.buckets_size()),
indices.size());
for (auto i = 0u; i < indices.size(); i++) {
const auto& bucket = histogram_observation.buckets(i);
EXPECT_EQ(bucket.index(), indices[i]);
EXPECT_EQ(bucket.count(), counts[i]);
}
}
// Tests the method LogString().
TEST_F(LoggerTest, LogString) {
ASSERT_EQ(kOK,
logger_->LogString(kModuleDownloadsMetricId, "www.mymodule.com"));
std::vector<Observation2> observations(2);
std::vector<uint32_t> expected_report_ids = {161, 261};
ASSERT_TRUE(FetchObservations(&observations, expected_report_ids,
observation_store_.get(),
update_recipient_.get()));
ASSERT_TRUE(observations[0].has_string_rappor());
EXPECT_FALSE(observations[0].string_rappor().data().empty());
ASSERT_TRUE(observations[1].has_forculus());
EXPECT_FALSE(observations[1].forculus().ciphertext().empty());
}
// Tests the method LogCustomEvent().
TEST_F(LoggerTest, LogCustomEvent) {
CustomDimensionValue module_value, number_value;
module_value.set_string_value("gmail");
number_value.set_int_value(3);
std::vector<std::string> dimension_names = {"module", "number"};
std::vector<CustomDimensionValue> values = {module_value, number_value};
auto custom_event = NewCustomEvent(dimension_names, values);
ASSERT_EQ(kOK, logger_->LogCustomEvent(kModuleInstallsMetricId,
std::move(custom_event)));
Observation2 observation;
uint32_t expected_report_id = 125;
ASSERT_TRUE(FetchSingleObservation(&observation, expected_report_id,
observation_store_.get(),
update_recipient_.get()));
ASSERT_TRUE(observation.has_custom());
const CustomObservation& custom_observation = observation.custom();
for (auto i = 0u; i < values.size(); i++) {
auto obs_dimension = custom_observation.values().at(dimension_names[i]);
EXPECT_TRUE(MessageDifferencer::Equals(obs_dimension, values[i]));
}
}
// Tests that the expected number of locally aggregated Observations are
// generated when no events have been logged.
TEST_F(LoggerTest, CheckNumAggregatedObsNoEvents) {
ASSERT_EQ(kOK, GenerateAggregatedObservations(
CurrentDayIndex(MetricDefinition::UTC)));
std::vector<Observation2> observations(0);
EXPECT_TRUE(FetchAggregatedObservations(
&observations, expected_aggregation_params_, observation_store_.get(),
update_recipient_.get()));
}
// Tests that the expected number of locally aggregated Observations are
// generated when one Event has been logged for a locally aggregated report.
TEST_F(LoggerTest, CheckNumAggregatedObsOneEvent) {
// Log 1 occurrence of event code 0 for the DeviceBoots metric, which has no
// immediate reports.
ASSERT_EQ(kOK, logger_->LogEvent(kDeviceBootsMetricId, 0));
// Check that no immediate Observation was generated.
std::vector<Observation2> immediate_observations(0);
std::vector<uint32_t> expected_immediate_report_ids = {};
ASSERT_TRUE(
FetchObservations(&immediate_observations, expected_immediate_report_ids,
observation_store_.get(), update_recipient_.get()));
// Generate locally aggregated observations for the current day index.
ASSERT_EQ(kOK, GenerateAggregatedObservations(
CurrentDayIndex(MetricDefinition::UTC)));
// Check that the expected numbers of aggregated observations were generated.
std::vector<Observation2> aggregated_observations;
EXPECT_TRUE(FetchAggregatedObservations(
&aggregated_observations, expected_aggregation_params_,
observation_store_.get(), update_recipient_.get()));
}
// Tests that the expected number of locally aggregated Observations are
// generated when multiple Events have been logged for locally aggregated
// reports.
TEST_F(LoggerTest, CheckNumAggregatedObsMultipleEvents) {
// Log 2 occurrences of event code 0 for the DeviceBoots metric, which has 1
// locally aggregated report and no immediate reports.
ASSERT_EQ(kOK, logger_->LogEvent(kDeviceBootsMetricId, 0));
ASSERT_EQ(kOK, logger_->LogEvent(kDeviceBootsMetricId, 0));
// Log 2 occurrences of event codes for the FeaturesActive metric, which
// has 1 locally aggregated report and no immediate reports.
ASSERT_EQ(kOK, logger_->LogEvent(kFeaturesActiveMetricId, 0));
ASSERT_EQ(kOK, logger_->LogEvent(kFeaturesActiveMetricId, 1));
// Check that no immediate Observations were generated.
std::vector<Observation2> immediate_observations(0);
std::vector<uint32_t> expected_immediate_report_ids = {};
ASSERT_TRUE(
FetchObservations(&immediate_observations, expected_immediate_report_ids,
observation_store_.get(), update_recipient_.get()));
// Generate locally aggregated observations for the current day index.
ASSERT_EQ(kOK, GenerateAggregatedObservations(
CurrentDayIndex(MetricDefinition::UTC)));
// Check that the expected numbers of aggregated observations were
// generated.
std::vector<Observation2> aggregated_observations;
EXPECT_TRUE(FetchAggregatedObservations(
&aggregated_observations, expected_aggregation_params_,
observation_store_.get(), update_recipient_.get()));
}
// Tests that the expected number of locally aggregated Observations are
// generated when multiple Events have been logged for locally aggregated
// and immediate reports.
TEST_F(LoggerTest, CheckNumAggregatedObsImmediateAndAggregatedEvents) {
// Log 3 occurrences of event codes for the EventsOccurred metric, which
// has 1 locally aggregated report and 1 immediate report.
ASSERT_EQ(kOK, logger_->LogEvent(kEventsOccurredMetricId, 0));
ASSERT_EQ(kOK, logger_->LogEvent(kEventsOccurredMetricId, 0));
ASSERT_EQ(kOK, logger_->LogEvent(kEventsOccurredMetricId, 2));
// Check that each of the 3 logged events resulted in an immediate
// Observation.
std::vector<Observation2> immediate_observations(3);
std::vector<uint32_t> expected_immediate_report_ids(
3, kEventsOccurred_SimpleOccurrenceCountMetricReportId.second);
ASSERT_TRUE(
FetchObservations(&immediate_observations, expected_immediate_report_ids,
observation_store_.get(), update_recipient_.get()));
// Clear the FakeObservationStore.
ResetObservationStore();
// Generate locally aggregated observations for the current day index.
ASSERT_EQ(kOK, GenerateAggregatedObservations(
CurrentDayIndex(MetricDefinition::UTC)));
// Check that the expected aggregated observations were generated.
std::vector<Observation2> observations;
EXPECT_TRUE(FetchAggregatedObservations(
&observations, expected_aggregation_params_, observation_store_.get(),
update_recipient_.get()));
}
// Tests that UniqueActivesObservations with the expected values are generated
// when no events have been logged.
TEST_F(UniqueActivesLoggerTest, CheckUniqueActivesObsValuesNoEvents) {
auto current_day_index = CurrentDayIndex(MetricDefinition::UTC);
// Generate locally aggregated Observations without logging any events.
ASSERT_EQ(kOK, GenerateAggregatedObservations(current_day_index));
// Check that all generated Observations are of non-activity.
auto expected_obs = MakeNullExpectedUniqueActivesObservations(
expected_aggregation_params_, current_day_index);
EXPECT_TRUE(CheckUniqueActivesObservations(
expected_obs, observation_store_.get(), update_recipient_.get()));
}
// Tests that UniqueActivesObservations with the expected values are generated
// when events have been logged for UNIQUE_N_DAY_ACTIVES reports on a single
// day.
TEST_F(UniqueActivesLoggerTest, CheckUniqueActivesObsValuesSingleDay) {
auto current_day_index = CurrentDayIndex(MetricDefinition::UTC);
// Log 2 occurrences of event code 0 for the DeviceBoots metric, which has 1
// locally aggregated report and no immediate reports.
ASSERT_EQ(kOK, logger_->LogEvent(kDeviceBootsMetricId, 0));
ASSERT_EQ(kOK, logger_->LogEvent(kDeviceBootsMetricId, 0));
// Log 2 occurrences of event codes for the SomeFeaturesActive metric, which
// has 1 locally aggregated report and no immediate reports.
ASSERT_EQ(kOK, logger_->LogEvent(kFeaturesActiveMetricId, 0));
ASSERT_EQ(kOK, logger_->LogEvent(kFeaturesActiveMetricId, 1));
// Generate locally aggregated observations for the current day index.
ASSERT_EQ(kOK, GenerateAggregatedObservations(current_day_index));
// Form the expected observations for the current day index.
auto expected_obs = MakeNullExpectedUniqueActivesObservations(
expected_aggregation_params_, current_day_index);
expected_obs[{kDeviceBoots_UniqueDevicesMetricReportId, current_day_index}] =
{{1, {true, false}}};
expected_obs[{kFeaturesActive_UniqueDevicesMetricReportId,
current_day_index}] = {{1, {true, true, false, false, false}},
{7, {true, true, false, false, false}},
{30, {true, true, false, false, false}}};
// Check that the expected aggregated observations were generated.
EXPECT_TRUE(CheckUniqueActivesObservations(
expected_obs, observation_store_.get(), update_recipient_.get()));
}
// Tests that UniqueActivesObservations with the expected values are generated
// when events have been logged for a UniqueActives report over multiple days.
//
// Logs events for the EventsOccurred_UniqueDevices report (whose parent metric
// has max_event_code = 5, and whose report ID is 401) for 10 days, according to
// the following pattern:
//
// * Never log event code 0.
// * On the i-th day (0-indexed) of logging, log an event for event code k,
// 1 <= k < 5, if 3*k divides i.
//
// Each day following the first day, generates Observations for the previous
// day index and checks them against the expected set of Observations, then
// garbage-collects the LocalAggregateStore for the current day index.
//
// The EventsOccurred_UniqueDevices report has window sizes 1 and 7, and
// the expected pattern of those Observations' values on the i-th day is:
//
// (i, window size) active for event codes
// ------------------------------------------------------
// (0, 1) 1, 2, 3, 4
// (0, 7) 1, 2, 3, 4
// (1, 1) ---
// (1, 7) 1, 2, 3, 4
// (2, 1) ---
// (2, 7) 1, 2, 3, 4
// (3, 1) 1
// (3, 7) 1, 2, 3, 4
// (4, 1) ---
// (4, 7) 1, 2, 3, 4
// (5, 1) ---
// (5, 7) 1, 2, 3, 4
// (6, 1) 1, 2
// (6, 7) 1, 2, 3, 4
// (7, 1) ---
// (7, 7) 1, 2
// (8, 1) ---
// (8, 7) 1, 2
// (9, 1) 1, 3
// (9, 7) 1, 2, 3
//
// All Observations for all other locally aggregated reports should be
// observations of non-occurrence.
TEST_F(UniqueActivesLoggerTest, CheckUniqueActivesObservationValues) {
// Form expected Observations for the 10 days of logging.
auto start_day_index = CurrentDayIndex(MetricDefinition::UTC);
std::vector<ExpectedUniqueActivesObservations> expected_obs(10);
for (uint32_t i = 0; i < expected_obs.size(); i++) {
expected_obs[i] = MakeNullExpectedUniqueActivesObservations(
expected_aggregation_params_, start_day_index + i);
}
expected_obs[0][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index}] = {{1, {false, true, true, true, true}},
{7, {false, true, true, true, true}}};
expected_obs[1][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 1}] = {
{1, {false, false, false, false, false}},
{7, {false, true, true, true, true}}};
expected_obs[2][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 2}] = {
{1, {false, false, false, false, false}},
{7, {false, true, true, true, true}}};
expected_obs[3][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 3}] = {
{1, {false, true, false, false, false}},
{7, {false, true, true, true, true}}};
expected_obs[4][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 4}] = {
{1, {false, false, false, false, false}},
{7, {false, true, true, true, true}}};
expected_obs[5][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 5}] = {
{1, {false, false, false, false, false}},
{7, {false, true, true, true, true}}};
expected_obs[6][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 6}] = {
{1, {false, true, true, false, false}},
{7, {false, true, true, true, true}}};
expected_obs[7][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 7}] = {
{1, {false, false, false, false, false}},
{7, {false, true, true, false, false}}};
expected_obs[8][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 8}] = {
{1, {false, false, false, false, false}},
{7, {false, true, true, false, false}}};
expected_obs[9][{kEventsOccurred_UniqueDevicesMetricReportId,
start_day_index + 9}] = {
{1, {false, true, false, true, false}},
{7, {false, true, true, true, false}}};
for (uint32_t i = 0; i < 10; i++) {
if (i < 10) {
for (uint32_t event_code = 1; event_code < 5; event_code++) {
if (i % (3 * event_code) == 0) {
ASSERT_EQ(kOK,
logger_->LogEvent(kEventsOccurredMetricId, event_code));
}
}
}
// Clear the FakeObservationStore.
ResetObservationStore();
// Advance the Logger's clock by 1 day.
AdvanceDay(1);
// Generate locally aggregated Observations for the previous day
// index.
ASSERT_EQ(kOK, GenerateAggregatedObservations(
CurrentDayIndex(MetricDefinition::UTC) - 1));
// Check the generated Observations against the expectation.
EXPECT_TRUE(CheckUniqueActivesObservations(
expected_obs[i], observation_store_.get(), update_recipient_.get()));
// Garbage-collect the LocalAggregateStore for the current day index.
ASSERT_EQ(kOK, GarbageCollectAggregateStore(
CurrentDayIndex(MetricDefinition::UTC)));
}
}
} // namespace logger
} // namespace cobalt