unplugged-system/packages/modules/StatsD/lib/libstatspull/tests/stats_subscription_test.cpp

315 lines
13 KiB
C++

/*
* Copyright (C) 2023, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <binder/ProcessState.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <gtest_matchers.h>
#include <stats_subscription.h>
#include <stdint.h>
#include <utils/Looper.h>
#include <chrono>
#include <string>
#include <thread>
#include <vector>
#include "packages/modules/StatsD/statsd/src/shell/shell_config.pb.h"
#include "packages/modules/StatsD/statsd/src/shell/shell_data.pb.h"
#include "statslog_statsdtest.h"
#ifdef __ANDROID__
using namespace testing;
using android::Looper;
using android::ProcessState;
using android::sp;
using android::os::statsd::Atom;
using android::os::statsd::ShellData;
using android::os::statsd::ShellSubscription;
using android::os::statsd::TestAtomReported_State_OFF;
using android::os::statsd::TrainExperimentIds;
using android::os::statsd::util::BytesField;
using android::os::statsd::util::SCREEN_BRIGHTNESS_CHANGED;
using android::os::statsd::util::stats_write;
using android::os::statsd::util::TEST_ATOM_REPORTED;
using android::os::statsd::util::TEST_ATOM_REPORTED__REPEATED_ENUM_FIELD__OFF;
using std::string;
using std::vector;
using std::this_thread::sleep_for;
namespace {
class SubscriptionTest : public Test {
public:
SubscriptionTest() : looper(Looper::prepare(/*opts=*/0)) {
const TestInfo* const test_info = UnitTest::GetInstance()->current_test_info();
ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
*trainExpIds.mutable_experiment_id() = {expIds.begin(), expIds.end()};
trainExpIds.SerializeToString(&trainExpIdsBytes);
}
~SubscriptionTest() {
const TestInfo* const test_info = UnitTest::GetInstance()->current_test_info();
ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
}
protected:
void SetUp() override {
// Start the Binder thread pool.
ProcessState::self()->startThreadPool();
}
void TearDown() {
// Clear any dangling subscriptions from statsd.
if (__builtin_available(android __STATSD_SUBS_MIN_API__, *)) {
AStatsManager_removeSubscription(subId);
}
}
void LogTestAtomReported(int32_t intFieldValue) {
const BytesField bytesField(trainExpIdsBytes.data(), trainExpIdsBytes.size());
stats_write(TEST_ATOM_REPORTED, uids.data(), uids.size(), tags, intFieldValue,
/*long_field=*/2LL, /*float_field=*/3.0F,
/*string_field=*/string1.c_str(),
/*boolean_field=*/false, /*state=*/TEST_ATOM_REPORTED__REPEATED_ENUM_FIELD__OFF,
bytesField, repeatedInts, repeatedLongs, repeatedFloats, repeatedStrings,
&(repeatedBool[0]), /*repeatedBoolSize=*/2, repeatedEnums);
}
int32_t subId;
// TestAtomReported fields.
const vector<int32_t> uids = {1};
const string tag = "test";
const vector<char const*> tags = {tag.c_str()};
// 100 int64s for the MODE_BYTES field to push atom size to over 1K.
const vector<int64_t> expIds = vector<int64_t>(100, INT64_MAX);
const vector<int32_t> repeatedInts{1};
const vector<int64_t> repeatedLongs{2LL};
const vector<float> repeatedFloats{3.0F};
const string string1 = "ABC";
const vector<char const*> repeatedStrings = {string1.c_str()};
const bool repeatedBool[2] = {false, true};
const vector<int32_t> repeatedEnums = {TEST_ATOM_REPORTED__REPEATED_ENUM_FIELD__OFF};
TrainExperimentIds trainExpIds;
string trainExpIdsBytes;
private:
sp<Looper> looper;
};
// Stores arguments passed in subscription callback.
struct CallbackData {
int32_t subId;
AStatsManager_SubscriptionCallbackReason reason;
vector<uint8_t> payload;
int count; // Stores number of times the callback is invoked.
};
static void callback(int32_t subscription_id, AStatsManager_SubscriptionCallbackReason reason,
uint8_t* _Nonnull payload, size_t num_bytes, void* _Nullable cookie) {
CallbackData* data = static_cast<CallbackData*>(cookie);
data->subId = subscription_id;
data->reason = reason;
data->payload.assign(payload, payload + num_bytes);
data->count++;
}
constexpr static int WAIT_MS = 500;
TEST_F(SubscriptionTest, TestSubscription) {
if (__builtin_available(android __STATSD_SUBS_MIN_API__, *)) {
ShellSubscription config;
config.add_pushed()->set_atom_id(TEST_ATOM_REPORTED);
config.add_pushed()->set_atom_id(SCREEN_BRIGHTNESS_CHANGED);
string configBytes;
config.SerializeToString(&configBytes);
CallbackData callbackData{/*subId=*/0,
ASTATSMANAGER_SUBSCRIPTION_CALLBACK_REASON_SUBSCRIPTION_ENDED,
/*payload=*/{},
/*count=*/0};
// Add subscription.
subId = AStatsManager_addSubscription(reinterpret_cast<const uint8_t*>(configBytes.data()),
configBytes.size(), &callback, &callbackData);
ASSERT_GT(subId, 0);
sleep_for(std::chrono::milliseconds(WAIT_MS));
// Log events without exceeding statsd cache.
stats_write(SCREEN_BRIGHTNESS_CHANGED, 100);
LogTestAtomReported(1);
sleep_for(std::chrono::milliseconds(WAIT_MS));
// Verify no callback occurred yet.
EXPECT_EQ(callbackData.subId, 0);
EXPECT_EQ(callbackData.reason,
ASTATSMANAGER_SUBSCRIPTION_CALLBACK_REASON_SUBSCRIPTION_ENDED);
EXPECT_EQ(callbackData.count, 0);
ASSERT_TRUE(callbackData.payload.empty());
// Log another TestAtomReported to overflow cache.
LogTestAtomReported(2);
sleep_for(std::chrono::milliseconds(WAIT_MS));
// Verify callback occurred.
EXPECT_EQ(callbackData.subId, subId);
EXPECT_EQ(callbackData.reason, ASTATSMANAGER_SUBSCRIPTION_CALLBACK_REASON_STATSD_INITIATED);
EXPECT_EQ(callbackData.count, 1);
ASSERT_GT(callbackData.payload.size(), 0);
ShellData actualShellData;
ASSERT_TRUE(actualShellData.ParseFromArray(callbackData.payload.data(),
callbackData.payload.size()));
ASSERT_GE(actualShellData.elapsed_timestamp_nanos_size(), 3);
EXPECT_THAT(actualShellData.elapsed_timestamp_nanos(), Each(Gt(0LL)));
ASSERT_GE(actualShellData.atom_size(), 3);
// Verify atom 1.
Atom expectedAtom;
expectedAtom.mutable_screen_brightness_changed()->set_level(100);
EXPECT_THAT(actualShellData.atom(0), EqAtom(expectedAtom));
// Verify atom 2.
expectedAtom.Clear();
auto* testAtomReported = expectedAtom.mutable_test_atom_reported();
auto* attributionNode = testAtomReported->add_attribution_node();
attributionNode->set_uid(uids[0]);
attributionNode->set_tag(tag);
testAtomReported->set_int_field(1);
testAtomReported->set_long_field(2LL);
testAtomReported->set_float_field(3.0F);
testAtomReported->set_string_field(string1);
testAtomReported->set_boolean_field(false);
testAtomReported->set_state(TestAtomReported_State_OFF);
*testAtomReported->mutable_bytes_field() = trainExpIds;
*testAtomReported->mutable_repeated_int_field() = {repeatedInts.begin(),
repeatedInts.end()};
*testAtomReported->mutable_repeated_long_field() = {repeatedLongs.begin(),
repeatedLongs.end()};
*testAtomReported->mutable_repeated_float_field() = {repeatedFloats.begin(),
repeatedFloats.end()};
*testAtomReported->mutable_repeated_string_field() = {repeatedStrings.begin(),
repeatedStrings.end()};
*testAtomReported->mutable_repeated_boolean_field() = {&repeatedBool[0],
&repeatedBool[0] + 2};
*testAtomReported->mutable_repeated_enum_field() = {repeatedEnums.begin(),
repeatedEnums.end()};
EXPECT_THAT(actualShellData.atom(1), EqAtom(expectedAtom));
// Verify atom 3.
testAtomReported->set_int_field(2);
EXPECT_THAT(actualShellData.atom(2), EqAtom(expectedAtom));
// Log another ScreenBrightnessChanged atom. No callback should occur.
stats_write(SCREEN_BRIGHTNESS_CHANGED, 99);
sleep_for(std::chrono::milliseconds(WAIT_MS));
EXPECT_EQ(callbackData.count, 1);
// Flush subscription. Callback should occur.
AStatsManager_flushSubscription(subId);
sleep_for(std::chrono::milliseconds(WAIT_MS));
EXPECT_EQ(callbackData.subId, subId);
EXPECT_EQ(callbackData.reason, ASTATSMANAGER_SUBSCRIPTION_CALLBACK_REASON_FLUSH_REQUESTED);
EXPECT_EQ(callbackData.count, 2);
ASSERT_GT(callbackData.payload.size(), 0);
ASSERT_TRUE(actualShellData.ParseFromArray(callbackData.payload.data(),
callbackData.payload.size()));
ASSERT_GE(actualShellData.elapsed_timestamp_nanos_size(), 1);
EXPECT_THAT(actualShellData.elapsed_timestamp_nanos(), Each(Gt(0LL)));
ASSERT_GE(actualShellData.atom_size(), 1);
// Verify atom 1.
expectedAtom.Clear();
expectedAtom.mutable_screen_brightness_changed()->set_level(99);
EXPECT_THAT(actualShellData.atom(0), EqAtom(expectedAtom));
// Log another ScreenBrightnessChanged atom. No callback should occur.
stats_write(SCREEN_BRIGHTNESS_CHANGED, 98);
sleep_for(std::chrono::milliseconds(WAIT_MS));
EXPECT_EQ(callbackData.count, 2);
// Trigger callback through cache timeout.
// Two 500 ms sleeps have occurred already so the total sleep is 71000 ms since last
// callback invocation.
sleep_for(std::chrono::milliseconds(70'000));
EXPECT_EQ(callbackData.subId, subId);
EXPECT_EQ(callbackData.reason, ASTATSMANAGER_SUBSCRIPTION_CALLBACK_REASON_STATSD_INITIATED);
EXPECT_EQ(callbackData.count, 3);
ASSERT_GT(callbackData.payload.size(), 0);
ASSERT_TRUE(actualShellData.ParseFromArray(callbackData.payload.data(),
callbackData.payload.size()));
ASSERT_GE(actualShellData.elapsed_timestamp_nanos_size(), 1);
EXPECT_THAT(actualShellData.elapsed_timestamp_nanos(), Each(Gt(0LL)));
ASSERT_GE(actualShellData.atom_size(), 1);
// Verify atom 1.
expectedAtom.Clear();
expectedAtom.mutable_screen_brightness_changed()->set_level(98);
EXPECT_THAT(actualShellData.atom(0), EqAtom(expectedAtom));
// Log another ScreenBrightnessChanged atom. No callback should occur.
stats_write(SCREEN_BRIGHTNESS_CHANGED, 97);
sleep_for(std::chrono::milliseconds(WAIT_MS));
EXPECT_EQ(callbackData.count, 3);
// End subscription. Final callback should occur.
AStatsManager_removeSubscription(subId);
sleep_for(std::chrono::milliseconds(WAIT_MS));
EXPECT_EQ(callbackData.subId, subId);
EXPECT_EQ(callbackData.reason,
ASTATSMANAGER_SUBSCRIPTION_CALLBACK_REASON_SUBSCRIPTION_ENDED);
EXPECT_EQ(callbackData.count, 4);
ASSERT_GT(callbackData.payload.size(), 0);
ASSERT_TRUE(actualShellData.ParseFromArray(callbackData.payload.data(),
callbackData.payload.size()));
ASSERT_GE(actualShellData.elapsed_timestamp_nanos_size(), 1);
EXPECT_THAT(actualShellData.elapsed_timestamp_nanos(), Each(Gt(0LL)));
ASSERT_GE(actualShellData.atom_size(), 1);
// Verify atom 1.
expectedAtom.Clear();
expectedAtom.mutable_screen_brightness_changed()->set_level(97);
EXPECT_THAT(actualShellData.atom(0), EqAtom(expectedAtom));
} else {
GTEST_SKIP();
}
}
} // namespace
#else
GTEST_LOG_(INFO) << "This test does nothing.\n";
#endif