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// Copyright (C) 2020 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 "src/external/StatsPullerManager.h"
#include <aidl/android/os/IPullAtomResultReceiver.h>
#include <aidl/android/util/StatsEventParcel.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "stats_event.h"
#include "tests/statsd_test_util.h"
using aidl::android::util::StatsEventParcel;
using ::ndk::SharedRefBase;
using std::make_shared;
using std::shared_ptr;
using std::vector;
namespace android {
namespace os {
namespace statsd {
namespace {
int pullTagId1 = 10101;
int pullTagId2 = 10102;
int uid1 = 9999;
int uid2 = 8888;
ConfigKey configKey(50, 12345);
ConfigKey badConfigKey(60, 54321);
int unregisteredUid = 98765;
int64_t coolDownNs = NS_PER_SEC;
int64_t timeoutNs = NS_PER_SEC / 2;
AStatsEvent* createSimpleEvent(int32_t atomId, int32_t value) {
AStatsEvent* event = AStatsEvent_obtain();
AStatsEvent_setAtomId(event, atomId);
AStatsEvent_writeInt32(event, value);
AStatsEvent_build(event);
return event;
}
class FakePullAtomCallback : public BnPullAtomCallback {
public:
FakePullAtomCallback(int32_t uid) : mUid(uid){};
Status onPullAtom(int atomTag,
const shared_ptr<IPullAtomResultReceiver>& resultReceiver) override {
vector<StatsEventParcel> parcels;
AStatsEvent* event = createSimpleEvent(atomTag, mUid);
size_t size;
uint8_t* buffer = AStatsEvent_getBuffer(event, &size);
StatsEventParcel p;
// vector.assign() creates a copy, but this is inevitable unless
// stats_event.h/c uses a vector as opposed to a buffer.
p.buffer.assign(buffer, buffer + size);
parcels.push_back(std::move(p));
AStatsEvent_release(event);
resultReceiver->pullFinished(atomTag, /*success*/ true, parcels);
return Status::ok();
}
int32_t mUid;
};
class FakePullUidProvider : public PullUidProvider {
public:
vector<int32_t> getPullAtomUids(int atomId) override {
if (atomId == pullTagId1) {
return {uid2, uid1};
} else if (atomId == pullTagId2) {
return {uid2};
}
return {};
}
};
sp<StatsPullerManager> createPullerManagerAndRegister() {
sp<StatsPullerManager> pullerManager = new StatsPullerManager();
shared_ptr<FakePullAtomCallback> cb1 = SharedRefBase::make<FakePullAtomCallback>(uid1);
pullerManager->RegisterPullAtomCallback(uid1, pullTagId1, coolDownNs, timeoutNs, {}, cb1, true);
shared_ptr<FakePullAtomCallback> cb2 = SharedRefBase::make<FakePullAtomCallback>(uid2);
pullerManager->RegisterPullAtomCallback(uid2, pullTagId1, coolDownNs, timeoutNs, {}, cb2, true);
pullerManager->RegisterPullAtomCallback(uid1, pullTagId2, coolDownNs, timeoutNs, {}, cb1, true);
return pullerManager;
}
} // anonymous namespace
TEST(StatsPullerManagerTest, TestPullInvalidUid) {
sp<StatsPullerManager> pullerManager = createPullerManagerAndRegister();
vector<shared_ptr<LogEvent>> data;
EXPECT_FALSE(pullerManager->Pull(pullTagId1, {unregisteredUid}, /*timestamp =*/1, &data, true));
}
TEST(StatsPullerManagerTest, TestPullChoosesCorrectUid) {
sp<StatsPullerManager> pullerManager = createPullerManagerAndRegister();
vector<shared_ptr<LogEvent>> data;
EXPECT_TRUE(pullerManager->Pull(pullTagId1, {uid1}, /*timestamp =*/1, &data, true));
ASSERT_EQ(data.size(), 1);
EXPECT_EQ(data[0]->GetTagId(), pullTagId1);
ASSERT_EQ(data[0]->getValues().size(), 1);
EXPECT_EQ(data[0]->getValues()[0].mValue.int_value, uid1);
}
TEST(StatsPullerManagerTest, TestPullInvalidConfigKey) {
sp<StatsPullerManager> pullerManager = createPullerManagerAndRegister();
sp<FakePullUidProvider> uidProvider = new FakePullUidProvider();
pullerManager->RegisterPullUidProvider(configKey, uidProvider);
vector<shared_ptr<LogEvent>> data;
EXPECT_FALSE(pullerManager->Pull(pullTagId1, badConfigKey, /*timestamp =*/1, &data, true));
}
TEST(StatsPullerManagerTest, TestPullConfigKeyGood) {
sp<StatsPullerManager> pullerManager = createPullerManagerAndRegister();
sp<FakePullUidProvider> uidProvider = new FakePullUidProvider();
pullerManager->RegisterPullUidProvider(configKey, uidProvider);
vector<shared_ptr<LogEvent>> data;
EXPECT_TRUE(pullerManager->Pull(pullTagId1, configKey, /*timestamp =*/1, &data, true));
EXPECT_EQ(data[0]->GetTagId(), pullTagId1);
ASSERT_EQ(data[0]->getValues().size(), 1);
EXPECT_EQ(data[0]->getValues()[0].mValue.int_value, uid2);
}
TEST(StatsPullerManagerTest, TestPullConfigKeyNoPullerWithUid) {
sp<StatsPullerManager> pullerManager = createPullerManagerAndRegister();
sp<FakePullUidProvider> uidProvider = new FakePullUidProvider();
pullerManager->RegisterPullUidProvider(configKey, uidProvider);
vector<shared_ptr<LogEvent>> data;
EXPECT_FALSE(pullerManager->Pull(pullTagId2, configKey, /*timestamp =*/1, &data, true));
}
} // namespace statsd
} // namespace os
} // namespace android
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