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#include "mkql_vector_spiller_adapter.h"
#include "mock_spiller_ut.h"
#include <library/cpp/testing/unittest/registar.h>
namespace NKikimr::NMiniKQL {
namespace {
template <typename T>
std::vector<T, TMKQLAllocator<T>> CreateSimpleVectorOfSize(size_t size) {
std::vector<T, TMKQLAllocator<T>> v;
v.reserve(size);
for (size_t i = 0; i < size; ++i) {
v.push_back(i);
}
return v;
}
template <typename T>
void SaveRestoreAndCompareVectors(const std::vector<std::vector<T, TMKQLAllocator<T>>>& vectors, size_t spillerChunkSizeInBytes) {
auto spiller = TVectorSpillerAdapter<T, TMKQLAllocator<T>>(CreateMockSpiller(), spillerChunkSizeInBytes);
for (const auto& vec : vectors) {
auto copiedVector = vec;
spiller.AddData(std::move(copiedVector));
while (!spiller.IsAcceptingData()) {
spiller.Update();
}
}
spiller.Finalize();
while (!spiller.IsAcceptingDataRequests()) {
spiller.Update();
}
for (const auto& vec : vectors) {
spiller.RequestNextVector();
while (!spiller.IsDataReady()) {
spiller.Update();
}
auto extractedVector = spiller.ExtractVector();
UNIT_ASSERT_VALUES_EQUAL(vec, extractedVector);
}
}
template <typename T>
void RunTestForSingleVector(size_t vectorSize, size_t chunkSize, bool sizeInBytes) {
std::vector v = CreateSimpleVectorOfSize<T>(vectorSize);
size_t chunkSizeInBytes = sizeInBytes ? chunkSize : chunkSize * sizeof(T);
SaveRestoreAndCompareVectors<T>({v}, chunkSizeInBytes);
}
}
Y_UNIT_TEST_SUITE(TVectorSpillerAdapterTest_SingleVector) {
Y_UNIT_TEST(VectorOfExactChunkSize) {
TScopedAlloc Alloc(__LOCATION__);
size_t vectorSize = 5;
RunTestForSingleVector<int>(vectorSize, vectorSize, false);
RunTestForSingleVector<char>(vectorSize, vectorSize, false);
}
Y_UNIT_TEST(VectorLargerThanChunkSize) {
TScopedAlloc Alloc(__LOCATION__);
size_t vectorSize = 10;
size_t chunkSize = 3;
RunTestForSingleVector<int>(vectorSize, chunkSize, false);
RunTestForSingleVector<char>(vectorSize, chunkSize, false);
}
Y_UNIT_TEST(VectorLargerThanChunkSizePrime) {
TScopedAlloc Alloc(__LOCATION__);
size_t vectorSize = 10;
size_t chunkSizeBytes = 7;
RunTestForSingleVector<int>(vectorSize, chunkSizeBytes, true);
RunTestForSingleVector<char>(vectorSize, chunkSizeBytes, true);
}
Y_UNIT_TEST(VectorLessThanChunkSize) {
TScopedAlloc Alloc(__LOCATION__);
size_t vectorSize = 5;
size_t chunkSize = 10;
RunTestForSingleVector<int>(vectorSize, chunkSize, false);
RunTestForSingleVector<char>(vectorSize, chunkSize, false);
}
}
Y_UNIT_TEST_SUITE(TVectorSpillerAdapterTest_MultipleVectors) {
template <typename T>
void ManyDifferentSizes_TestRunner() {
std::vector<std::vector<T, TMKQLAllocator<T>>> vectors;
for (int vectorSize = 0; vectorSize <= 100; ++vectorSize) {
vectors.push_back(CreateSimpleVectorOfSize<T>(vectorSize));
}
SaveRestoreAndCompareVectors<T>(vectors, 20);
}
Y_UNIT_TEST(ManyDifferentSizes) {
TScopedAlloc Alloc(__LOCATION__);
ManyDifferentSizes_TestRunner<int>();
ManyDifferentSizes_TestRunner<char>();
}
template <typename T>
void ManyDifferentSizesReversed_TestRunner() {
std::vector<std::vector<T, TMKQLAllocator<T>>> vectors;
for (int vectorSize = 100; vectorSize >= 0; --vectorSize) {
vectors.push_back(CreateSimpleVectorOfSize<T>(vectorSize));
}
SaveRestoreAndCompareVectors<T>(vectors, 20);
}
Y_UNIT_TEST(ManyDifferentSizesReversed) {
TScopedAlloc Alloc(__LOCATION__);
ManyDifferentSizesReversed_TestRunner<int>();
ManyDifferentSizesReversed_TestRunner<char>();
}
template <typename T>
void VectorsInOneChunk_TestRunner() {
std::vector<std::vector<T, TMKQLAllocator<T>>> vectors;
size_t totalSize = 0;
for (int vectorSize = 1; vectorSize < 5; ++vectorSize) {
std::vector v = CreateSimpleVectorOfSize<T>(vectorSize);
totalSize += vectorSize;
vectors.push_back(v);
}
SaveRestoreAndCompareVectors<T>(vectors, totalSize * sizeof(int) + 10);
}
Y_UNIT_TEST(VectorsInOneChunk) {
TScopedAlloc Alloc(__LOCATION__);
VectorsInOneChunk_TestRunner<int>();
VectorsInOneChunk_TestRunner<char>();
}
template <typename T>
void EmptyVectorsInTheMiddle_TestRunner() {
std::vector<std::vector<T,TMKQLAllocator<T>>> vectors;
size_t totalSize = 0;
for (int vectorSize = 1; vectorSize < 5; ++vectorSize) {
std::vector v = CreateSimpleVectorOfSize<T>(vectorSize);
totalSize += vectorSize;
vectors.push_back(v);
}
vectors.push_back({});
vectors.push_back({});
for (int vectorSize = 1; vectorSize < 5; ++vectorSize) {
std::vector v = CreateSimpleVectorOfSize<T>(vectorSize);
totalSize += vectorSize;
vectors.push_back(v);
}
SaveRestoreAndCompareVectors<T>(vectors, totalSize * sizeof(T) + 10);
}
Y_UNIT_TEST(EmptyVectorsInTheMiddle) {
TScopedAlloc Alloc(__LOCATION__);
EmptyVectorsInTheMiddle_TestRunner<int>();
EmptyVectorsInTheMiddle_TestRunner<char>();
}
template <typename T>
void RequestedVectorPartlyInMemory_TestRunner() {
std::vector<std::vector<T, TMKQLAllocator<T>>> vectors;
std::vector<T, TMKQLAllocator<T>> small = CreateSimpleVectorOfSize<T>(1);
std::vector<T, TMKQLAllocator<T>> big = CreateSimpleVectorOfSize<T>(10);
vectors.push_back(small);
vectors.push_back(big);
// small vector will also load most of big vector to memory
size_t chunkSizeBytes = (big.size() - small.size()) * sizeof(T);
SaveRestoreAndCompareVectors<T>(vectors, chunkSizeBytes);
}
Y_UNIT_TEST(RequestedVectorPartlyInMemory) {
TScopedAlloc Alloc(__LOCATION__);
RequestedVectorPartlyInMemory_TestRunner<int>();
RequestedVectorPartlyInMemory_TestRunner<char>();
}
}
} //namespace namespace NKikimr::NMiniKQL
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