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#pragma once
#ifndef MESSMER_BLOCKSTORE_TEST_TESTUTILS_BLOCKSTORETEST_DATA_H_
#define MESSMER_BLOCKSTORE_TEST_TESTUTILS_BLOCKSTORETEST_DATA_H_
// This file is meant to be included by BlockStoreTest.h only
struct DataRange {
uint64_t blocksize;
uint64_t offset;
uint64_t count;
};
class BlockStoreDataParametrizedTest {
public:
BlockStoreDataParametrizedTest(cpputils::unique_ref<blockstore::BlockStore> blockStore_, const DataRange &testData_)
: blockStore(std::move(blockStore_)),
testData(testData_),
foregroundData(cpputils::DataFixture::generate(testData.count, 0)),
backgroundData(cpputils::DataFixture::generate(testData.blocksize, 1)) {
}
void TestWriteAndReadImmediately() {
auto block = blockStore->create(cpputils::Data(testData.blocksize).FillWithZeroes());
block->write(foregroundData.data(), testData.offset, testData.count);
EXPECT_DATA_READS_AS(foregroundData, *block, testData.offset, testData.count);
EXPECT_DATA_IS_ZEROES_OUTSIDE_OF(*block, testData.offset, testData.count);
}
void TestWriteAndReadAfterLoading() {
const blockstore::BlockId blockId = CreateBlockWriteToItAndReturnKey(foregroundData);
auto loaded_block = blockStore->load(blockId).value();
EXPECT_DATA_READS_AS(foregroundData, *loaded_block, testData.offset, testData.count);
EXPECT_DATA_IS_ZEROES_OUTSIDE_OF(*loaded_block, testData.offset, testData.count);
}
void TestWriteTwiceAndRead() {
auto block = blockStore->create(cpputils::Data(testData.blocksize));
block->write(backgroundData.data(), 0, testData.blocksize);
block->write(foregroundData.data(), testData.offset, testData.count);
EXPECT_DATA_READS_AS(foregroundData, *block, testData.offset, testData.count);
EXPECT_DATA_READS_AS_OUTSIDE_OF(backgroundData, *block, testData.offset, testData.count);
}
void TestOverwriteSameSizeAndReadImmediately() {
auto blockId = blockStore->create(cpputils::Data(testData.blocksize))->blockId();
auto block = blockStore->overwrite(blockId, backgroundData.copy());
EXPECT_EQ(testData.blocksize, block->size());
EXPECT_DATA_READS_AS(backgroundData, *block, 0, testData.blocksize);
}
void TestOverwriteSameSizeAndReadAfterLoading() {
auto blockId = blockStore->create(cpputils::Data(testData.blocksize))->blockId();
blockStore->overwrite(blockId, backgroundData.copy());
auto block = blockStore->load(blockId).value();
EXPECT_EQ(testData.blocksize, block->size());
EXPECT_DATA_READS_AS(backgroundData, *block, 0, testData.blocksize);
}
void TestOverwriteSmallerSizeAndReadImmediately() {
auto blockId = blockStore->create(cpputils::Data(testData.blocksize))->blockId();
auto block = blockStore->overwrite(blockId, foregroundData.copy());
EXPECT_EQ(testData.count, block->size());
EXPECT_DATA_READS_AS(foregroundData, *block, 0, testData.count);
}
void TestOverwriteSmallerSizeAndReadAfterLoading() {
auto blockId = blockStore->create(cpputils::Data(testData.blocksize))->blockId();
blockStore->overwrite(blockId, foregroundData.copy());
auto block = blockStore->load(blockId).value();
EXPECT_EQ(testData.count, block->size());
EXPECT_DATA_READS_AS(foregroundData, *block, 0, testData.count);
}
void TestOverwriteLargerSizeAndReadImmediately() {
auto blockId = blockStore->create(cpputils::Data(testData.count))->blockId();
auto block = blockStore->overwrite(blockId, backgroundData.copy());
EXPECT_EQ(testData.blocksize, block->size());
EXPECT_DATA_READS_AS(backgroundData, *block, 0, testData.blocksize);
}
void TestOverwriteLargerSizeAndReadAfterLoading() {
auto blockId = blockStore->create(cpputils::Data(testData.count))->blockId();
blockStore->overwrite(blockId, backgroundData.copy());
auto block = blockStore->load(blockId).value();
EXPECT_EQ(testData.blocksize, block->size());
EXPECT_DATA_READS_AS(backgroundData, *block, 0, testData.blocksize);
}
void TestOverwriteNonexistingAndReadImmediately() {
auto blockId = blockStore->createBlockId();
auto block = blockStore->overwrite(blockId, backgroundData.copy());
EXPECT_EQ(testData.blocksize, block->size());
EXPECT_DATA_READS_AS(backgroundData, *block, 0, testData.blocksize);
}
void TestOverwriteNonexistingAndReadAfterLoading() {
auto blockId = blockStore->createBlockId();
blockStore->overwrite(blockId, backgroundData.copy());
auto block = blockStore->load(blockId).value();
EXPECT_EQ(testData.blocksize, block->size());
EXPECT_DATA_READS_AS(backgroundData, *block, 0, testData.blocksize);
}
private:
cpputils::unique_ref<blockstore::BlockStore> blockStore;
DataRange testData;
cpputils::Data foregroundData;
cpputils::Data backgroundData;
blockstore::BlockId CreateBlockWriteToItAndReturnKey(const cpputils::Data &to_write) {
auto newblock = blockStore->create(cpputils::Data(testData.blocksize).FillWithZeroes());
newblock->write(to_write.data(), testData.offset, testData.count);
return newblock->blockId();
}
void EXPECT_DATA_READS_AS(const cpputils::Data &expected, const blockstore::Block &block, uint64_t offset, uint64_t count) {
cpputils::Data read(count);
std::memcpy(read.data(), static_cast<const uint8_t*>(block.data()) + offset, count);
EXPECT_EQ(expected, read);
}
void EXPECT_DATA_READS_AS_OUTSIDE_OF(const cpputils::Data &expected, const blockstore::Block &block, uint64_t start, uint64_t count) {
cpputils::Data begin(start);
cpputils::Data end(testData.blocksize - count - start);
std::memcpy(begin.data(), expected.data(), start);
std::memcpy(end.data(), expected.dataOffset(start+count), end.size());
EXPECT_DATA_READS_AS(begin, block, 0, start);
EXPECT_DATA_READS_AS(end, block, start + count, end.size());
}
void EXPECT_DATA_IS_ZEROES_OUTSIDE_OF(const blockstore::Block &block, uint64_t start, uint64_t count) {
cpputils::Data ZEROES(testData.blocksize);
ZEROES.FillWithZeroes();
EXPECT_DATA_READS_AS_OUTSIDE_OF(ZEROES, block, start, count);
}
};
inline std::vector<DataRange> DATA_RANGES() {
return {
DataRange{1024, 0, 1024}, // full size leaf, access beginning to end
DataRange{1024, 100, 1024 - 200}, // full size leaf, access middle to middle
DataRange{1024, 0, 1024 - 100}, // full size leaf, access beginning to middle
DataRange{1024, 100, 1024 - 100}, // full size leaf, access middle to end
DataRange{1024 - 100, 0, 1024 - 100}, // non-full size leaf, access beginning to end
DataRange{1024 - 100, 100, 1024 - 300}, // non-full size leaf, access middle to middle
DataRange{1024 - 100, 0, 1024 - 200}, // non-full size leaf, access beginning to middle
DataRange{1024 - 100, 100, 1024 - 200} // non-full size leaf, access middle to end
};
};
#define TYPED_TEST_P_FOR_ALL_DATA_RANGES(TestName) \
TYPED_TEST_P(BlockStoreTest, TestName) { \
for (auto dataRange: DATA_RANGES()) { \
BlockStoreDataParametrizedTest(this->fixture.createBlockStore(), dataRange) \
.Test##TestName(); \
} \
}
TYPED_TEST_P_FOR_ALL_DATA_RANGES(WriteAndReadImmediately);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(WriteAndReadAfterLoading);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(WriteTwiceAndRead);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(OverwriteSameSizeAndReadImmediately);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(OverwriteSameSizeAndReadAfterLoading);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(OverwriteSmallerSizeAndReadImmediately);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(OverwriteSmallerSizeAndReadAfterLoading);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(OverwriteLargerSizeAndReadImmediately);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(OverwriteLargerSizeAndReadAfterLoading);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(OverwriteNonexistingAndReadImmediately);
TYPED_TEST_P_FOR_ALL_DATA_RANGES(OverwriteNonexistingAndReadAfterLoading);
#endif
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