libcryfs/test/blockstore/testutils/BlockStoreTest.h

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#pragma once
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#ifndef MESSMER_BLOCKSTORE_TEST_IMPLEMENTATIONS_TESTUTILS_BLOCKSTORETEST_H_
#define MESSMER_BLOCKSTORE_TEST_IMPLEMENTATIONS_TESTUTILS_BLOCKSTORETEST_H_
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#include <gtest/gtest.h>
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#include <gmock/gmock.h>
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#include <cpp-utils/data/DataFixture.h>
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#include <cpp-utils/pointer/unique_ref_boost_optional_gtest_workaround.h>
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#include "blockstore/interface/BlockStore.h"
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class MockForEachBlockCallback final {
public:
std::function<void (const blockstore::BlockId &)> callback() {
return [this] (const blockstore::BlockId &blockId) {
called_with.push_back(blockId);
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};
}
std::vector<blockstore::BlockId> called_with;
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};
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class BlockStoreTestFixture {
public:
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virtual ~BlockStoreTestFixture() {}
virtual cpputils::unique_ref<blockstore::BlockStore> createBlockStore() = 0;
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};
template<class ConcreteBlockStoreTestFixture>
class BlockStoreTest: public ::testing::Test {
public:
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BlockStoreTest() :fixture() {}
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BOOST_STATIC_ASSERT_MSG(
(std::is_base_of<BlockStoreTestFixture, ConcreteBlockStoreTestFixture>::value),
"Given test fixture for instantiating the (type parameterized) BlockStoreTest must inherit from BlockStoreTestFixture"
);
ConcreteBlockStoreTestFixture fixture;
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void TestBlockIsUsable(cpputils::unique_ref<blockstore::Block> block, blockstore::BlockStore *blockStore) {
// Write full block space and check it was correctly written
cpputils::Data fixture = cpputils::DataFixture::generate(block->size());
block->write(fixture.data(), 0, fixture.size());
EXPECT_EQ(0, std::memcmp(fixture.data(), block->data(), fixture.size()));
// Store and reload block and check data is still correct
auto blockId = block->blockId();
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cpputils::destruct(std::move(block));
block = blockStore->load(blockId).value();
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EXPECT_EQ(0, std::memcmp(fixture.data(), block->data(), fixture.size()));
}
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template<class Entry>
void EXPECT_UNORDERED_EQ(const std::vector<Entry> &expected, std::vector<Entry> actual) {
EXPECT_EQ(expected.size(), actual.size());
for (const Entry &expectedEntry : expected) {
removeOne(&actual, expectedEntry);
}
}
template<class Entry>
void removeOne(std::vector<Entry> *entries, const Entry &toRemove) {
auto found = std::find(entries->begin(), entries->end(), toRemove);
if (found != entries->end()) {
entries->erase(found);
return;
}
EXPECT_TRUE(false);
}
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};
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TYPED_TEST_SUITE_P(BlockStoreTest);
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TYPED_TEST_P(BlockStoreTest, TwoCreatedBlocksHaveDifferentBlockIds) {
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auto blockStore = this->fixture.createBlockStore();
auto block1 = blockStore->create(cpputils::Data(1024));
auto block2 = blockStore->create(cpputils::Data(1024));
EXPECT_NE(block1->blockId(), block2->blockId());
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}
TYPED_TEST_P(BlockStoreTest, BlockIsNotLoadableAfterDeleting_DeleteByBlock) {
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auto blockStore = this->fixture.createBlockStore();
auto blockId = blockStore->create(cpputils::Data(1024))->blockId();
auto block = blockStore->load(blockId);
EXPECT_NE(boost::none, block);
blockStore->remove(std::move(*block));
EXPECT_EQ(boost::none, blockStore->load(blockId));
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}
TYPED_TEST_P(BlockStoreTest, BlockIsNotLoadableAfterDeleting_DeleteByBlockId) {
auto blockStore = this->fixture.createBlockStore();
auto blockId = blockStore->create(cpputils::Data(1024))->blockId();
blockStore->remove(blockId);
EXPECT_EQ(boost::none, blockStore->load(blockId));
}
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TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectOnEmptyBlockstore) {
auto blockStore = this->fixture.createBlockStore();
EXPECT_EQ(0u, blockStore->numBlocks());
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}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterAddingOneBlock) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(1));
EXPECT_EQ(1u, blockStore->numBlocks());
}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterAddingOneBlock_AfterClosingBlock) {
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auto blockStore = this->fixture.createBlockStore();
blockStore->create(cpputils::Data(1));
EXPECT_EQ(1u, blockStore->numBlocks());
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}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterRemovingTheLastBlock_DeleteByBlock) {
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auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(1));
blockStore->remove(std::move(block));
EXPECT_EQ(0u, blockStore->numBlocks());
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}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterRemovingTheLastBlock_DeleteByBlockId) {
auto blockStore = this->fixture.createBlockStore();
auto blockId = blockStore->create(cpputils::Data(1))->blockId();
blockStore->remove(blockId);
EXPECT_EQ(0u, blockStore->numBlocks());
}
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TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterAddingTwoBlocks) {
auto blockStore = this->fixture.createBlockStore();
auto block1 = blockStore->create(cpputils::Data(1));
auto block2 = blockStore->create(cpputils::Data(0));
EXPECT_EQ(2u, blockStore->numBlocks());
}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterAddingTwoBlocks_AfterClosingFirstBlock) {
auto blockStore = this->fixture.createBlockStore();
blockStore->create(cpputils::Data(1));
auto block2 = blockStore->create(cpputils::Data(0));
EXPECT_EQ(2u, blockStore->numBlocks());
}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterAddingTwoBlocks_AfterClosingSecondBlock) {
auto blockStore = this->fixture.createBlockStore();
auto block1 = blockStore->create(cpputils::Data(1));
blockStore->create(cpputils::Data(0));
EXPECT_EQ(2u, blockStore->numBlocks());
}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterAddingTwoBlocks_AfterClosingBothBlocks) {
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auto blockStore = this->fixture.createBlockStore();
blockStore->create(cpputils::Data(1));
blockStore->create(cpputils::Data(0));
EXPECT_EQ(2u, blockStore->numBlocks());
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}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterRemovingABlock_DeleteByBlock) {
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auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(1));
blockStore->create(cpputils::Data(1));
blockStore->remove(std::move(block));
EXPECT_EQ(1u, blockStore->numBlocks());
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}
TYPED_TEST_P(BlockStoreTest, NumBlocksIsCorrectAfterRemovingABlock_DeleteByBlockId) {
auto blockStore = this->fixture.createBlockStore();
auto blockId = blockStore->create(cpputils::Data(1))->blockId();
blockStore->create(cpputils::Data(1));
blockStore->remove(blockId);
EXPECT_EQ(1u, blockStore->numBlocks());
}
TYPED_TEST_P(BlockStoreTest, CanRemoveModifiedBlock) {
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auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(5));
block->write("data", 0, 4);
blockStore->remove(std::move(block));
EXPECT_EQ(0u, blockStore->numBlocks());
}
TYPED_TEST_P(BlockStoreTest, ForEachBlock_zeroblocks) {
auto blockStore = this->fixture.createBlockStore();
MockForEachBlockCallback mockForEachBlockCallback;
blockStore->forEachBlock(mockForEachBlockCallback.callback());
this->EXPECT_UNORDERED_EQ({}, mockForEachBlockCallback.called_with);
}
TYPED_TEST_P(BlockStoreTest, ForEachBlock_oneblock) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(1));
MockForEachBlockCallback mockForEachBlockCallback;
blockStore->forEachBlock(mockForEachBlockCallback.callback());
this->EXPECT_UNORDERED_EQ({block->blockId()}, mockForEachBlockCallback.called_with);
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}
TYPED_TEST_P(BlockStoreTest, ForEachBlock_twoblocks) {
auto blockStore = this->fixture.createBlockStore();
auto block1 = blockStore->create(cpputils::Data(1));
auto block2 = blockStore->create(cpputils::Data(1));
MockForEachBlockCallback mockForEachBlockCallback;
blockStore->forEachBlock(mockForEachBlockCallback.callback());
this->EXPECT_UNORDERED_EQ({block1->blockId(), block2->blockId()}, mockForEachBlockCallback.called_with);
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}
TYPED_TEST_P(BlockStoreTest, ForEachBlock_threeblocks) {
auto blockStore = this->fixture.createBlockStore();
auto block1 = blockStore->create(cpputils::Data(1));
auto block2 = blockStore->create(cpputils::Data(1));
auto block3 = blockStore->create(cpputils::Data(1));
MockForEachBlockCallback mockForEachBlockCallback;
blockStore->forEachBlock(mockForEachBlockCallback.callback());
this->EXPECT_UNORDERED_EQ({block1->blockId(), block2->blockId(), block3->blockId()}, mockForEachBlockCallback.called_with);
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}
TYPED_TEST_P(BlockStoreTest, ForEachBlock_doesntListRemovedBlocks_oneblock) {
auto blockStore = this->fixture.createBlockStore();
auto block1 = blockStore->create(cpputils::Data(1));
blockStore->remove(std::move(block1));
MockForEachBlockCallback mockForEachBlockCallback;
blockStore->forEachBlock(mockForEachBlockCallback.callback());
this->EXPECT_UNORDERED_EQ({}, mockForEachBlockCallback.called_with);
}
TYPED_TEST_P(BlockStoreTest, ForEachBlock_doesntListRemovedBlocks_twoblocks) {
auto blockStore = this->fixture.createBlockStore();
auto block1 = blockStore->create(cpputils::Data(1));
auto block2 = blockStore->create(cpputils::Data(1));
blockStore->remove(std::move(block1));
MockForEachBlockCallback mockForEachBlockCallback;
blockStore->forEachBlock(mockForEachBlockCallback.callback());
this->EXPECT_UNORDERED_EQ({block2->blockId()}, mockForEachBlockCallback.called_with);
}
TYPED_TEST_P(BlockStoreTest, Resize_Larger_FromZero) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(0));
block->resize(10);
EXPECT_EQ(10u, block->size());
}
TYPED_TEST_P(BlockStoreTest, Resize_Larger_FromZero_BlockIsStillUsable) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(0));
block->resize(10);
this->TestBlockIsUsable(std::move(block), blockStore.get());
}
TYPED_TEST_P(BlockStoreTest, Resize_Larger) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(10));
block->resize(20);
EXPECT_EQ(20u, block->size());
}
TYPED_TEST_P(BlockStoreTest, Resize_Larger_BlockIsStillUsable) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(10));
block->resize(20);
this->TestBlockIsUsable(std::move(block), blockStore.get());
}
TYPED_TEST_P(BlockStoreTest, Resize_Smaller) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(10));
block->resize(5);
EXPECT_EQ(5u, block->size());
}
TYPED_TEST_P(BlockStoreTest, Resize_Smaller_BlockIsStillUsable) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(10));
block->resize(5);
this->TestBlockIsUsable(std::move(block), blockStore.get());
}
TYPED_TEST_P(BlockStoreTest, Resize_Smaller_ToZero) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(10));
block->resize(0);
EXPECT_EQ(0u, block->size());
}
TYPED_TEST_P(BlockStoreTest, Resize_Smaller_ToZero_BlockIsStillUsable) {
auto blockStore = this->fixture.createBlockStore();
auto block = blockStore->create(cpputils::Data(10));
block->resize(0);
this->TestBlockIsUsable(std::move(block), blockStore.get());
}
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/*
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TYPED_TEST_P(BlockStoreTest, TryCreateTwoBlocksWithSameBlockIdAndSameSize) {
auto blockStore = this->fixture.createBlockStore();
blockstore::BlockId blockId = blockstore::BlockId::FromString("1491BB4932A389EE14BC7090AC772972");
auto block = blockStore->tryCreate(blockId, cpputils::Data(1024));
(*block)->flush(); //TODO Ideally, flush shouldn't be necessary here.
auto block2 = blockStore->tryCreate(blockId, cpputils::Data(1024));
EXPECT_NE(boost::none, block);
EXPECT_EQ(boost::none, block2);
}
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TYPED_TEST_P(BlockStoreTest, TryCreateTwoBlocksWithSameBlockIdAndDifferentSize) {
auto blockStore = this->fixture.createBlockStore();
blockstore::BlockId blockId = blockstore::BlockId::FromString("1491BB4932A389EE14BC7090AC772972");
auto block = blockStore->tryCreate(blockId, cpputils::Data(1024));
(*block)->flush(); //TODO Ideally, flush shouldn't be necessary here.
auto block2 = blockStore->tryCreate(blockId, cpputils::Data(4096));
EXPECT_NE(boost::none, block);
EXPECT_EQ(boost::none, block2);
}
TYPED_TEST_P(BlockStoreTest, TryCreateTwoBlocksWithSameBlockIdAndFirstNullSize) {
auto blockStore = this->fixture.createBlockStore();
blockstore::BlockId blockId = blockstore::BlockId::FromString("1491BB4932A389EE14BC7090AC772972");
auto block = blockStore->tryCreate(blockId, cpputils::Data(0));
(*block)->flush(); //TODO Ideally, flush shouldn't be necessary here.
auto block2 = blockStore->tryCreate(blockId, cpputils::Data(1024));
EXPECT_NE(boost::none, block);
EXPECT_EQ(boost::none, block2);
}
TYPED_TEST_P(BlockStoreTest, TryCreateTwoBlocksWithSameBlockIdAndSecondNullSize) {
auto blockStore = this->fixture.createBlockStore();
blockstore::BlockId blockId = blockstore::BlockId::FromString("1491BB4932A389EE14BC7090AC772972");
auto block = blockStore->tryCreate(blockId, cpputils::Data(1024));
(*block)->flush(); //TODO Ideally, flush shouldn't be necessary here.
auto block2 = blockStore->tryCreate(blockId, cpputils::Data(0));
EXPECT_NE(boost::none, block);
EXPECT_EQ(boost::none, block2);
}
TYPED_TEST_P(BlockStoreTest, TryCreateTwoBlocksWithSameBlockIdAndBothNullSize) {
auto blockStore = this->fixture.createBlockStore();
blockstore::BlockId blockId = blockstore::BlockId::FromString("1491BB4932A389EE14BC7090AC772972");
auto block = blockStore->tryCreate(blockId, cpputils::Data(0));
(*block)->flush(); //TODO Ideally, flush shouldn't be necessary here.
auto block2 = blockStore->tryCreate(blockId, cpputils::Data(0));
EXPECT_NE(boost::none, block);
EXPECT_EQ(boost::none, block2);
}*/
#include "BlockStoreTest_Size.h"
#include "BlockStoreTest_Data.h"
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REGISTER_TYPED_TEST_SUITE_P(BlockStoreTest,
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CreatedBlockHasCorrectSize,
LoadingUnchangedBlockHasCorrectSize,
CreatedBlockData,
LoadingUnchangedBlockData,
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LoadedBlockIsCorrect,
// LoadedBlockIsCorrectWhenLoadedDirectlyAfterFlushing,
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AfterCreate_FlushingDoesntChangeBlock,
AfterLoad_FlushingDoesntChangeBlock,
AfterCreate_FlushesWhenDestructed,
AfterLoad_FlushesWhenDestructed,
LoadNonExistingBlock,
TwoCreatedBlocksHaveDifferentBlockIds,
BlockIsNotLoadableAfterDeleting_DeleteByBlock,
BlockIsNotLoadableAfterDeleting_DeleteByBlockId,
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NumBlocksIsCorrectOnEmptyBlockstore,
NumBlocksIsCorrectAfterAddingOneBlock,
NumBlocksIsCorrectAfterAddingOneBlock_AfterClosingBlock,
NumBlocksIsCorrectAfterRemovingTheLastBlock_DeleteByBlock,
NumBlocksIsCorrectAfterRemovingTheLastBlock_DeleteByBlockId,
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NumBlocksIsCorrectAfterAddingTwoBlocks,
NumBlocksIsCorrectAfterAddingTwoBlocks_AfterClosingFirstBlock,
NumBlocksIsCorrectAfterAddingTwoBlocks_AfterClosingSecondBlock,
NumBlocksIsCorrectAfterAddingTwoBlocks_AfterClosingBothBlocks,
NumBlocksIsCorrectAfterRemovingABlock_DeleteByBlock,
NumBlocksIsCorrectAfterRemovingABlock_DeleteByBlockId,
WriteAndReadImmediately,
WriteAndReadAfterLoading,
WriteTwiceAndRead,
OverwriteSameSizeAndReadImmediately,
OverwriteSameSizeAndReadAfterLoading,
OverwriteSmallerSizeAndReadImmediately,
OverwriteSmallerSizeAndReadAfterLoading,
OverwriteLargerSizeAndReadAfterLoading,
OverwriteLargerSizeAndReadImmediately,
OverwriteNonexistingAndReadAfterLoading,
OverwriteNonexistingAndReadImmediately,
CanRemoveModifiedBlock,
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ForEachBlock_zeroblocks,
ForEachBlock_oneblock,
ForEachBlock_twoblocks,
ForEachBlock_threeblocks,
ForEachBlock_doesntListRemovedBlocks_oneblock,
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ForEachBlock_doesntListRemovedBlocks_twoblocks,
Resize_Larger_FromZero,
Resize_Larger_FromZero_BlockIsStillUsable,
Resize_Larger,
Resize_Larger_BlockIsStillUsable,
Resize_Smaller,
Resize_Smaller_BlockIsStillUsable,
Resize_Smaller_ToZero,
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Resize_Smaller_ToZero_BlockIsStillUsable
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//TODO Just disabled because gtest doesn't allow more template parameters. Fix and reenable!
// see https://github.com/google/googletest/issues/1267
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//TryCreateTwoBlocksWithSameBlockIdAndSameSize,
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//TryCreateTwoBlocksWithSameBlockIdAndDifferentSize,
//TryCreateTwoBlocksWithSameBlockIdAndFirstNullSize,
//TryCreateTwoBlocksWithSameBlockIdAndSecondNullSize,
//TryCreateTwoBlocksWithSameBlockIdAndBothNullSize,
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);
#endif