152 lines
5.3 KiB
C++
152 lines
5.3 KiB
C++
#include "blockstore/interface/helpers/BlockStoreWithRandomKeys.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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using ::testing::Test;
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using ::testing::_;
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using ::testing::Return;
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using ::testing::Invoke;
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using ::testing::Eq;
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using ::testing::ByRef;
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using std::string;
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using cpputils::Data;
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using cpputils::DataFixture;
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using cpputils::unique_ref;
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using boost::optional;
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using namespace blockstore;
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class BlockStoreWithRandomKeysMock: public BlockStoreWithRandomKeys {
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public:
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optional<unique_ref<Block>> tryCreate(const BlockId &blockId, Data data) {
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return cpputils::nullcheck(std::unique_ptr<Block>(do_create(blockId, data)));
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}
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MOCK_METHOD2(do_create, Block*(const BlockId &, const Data &data));
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unique_ref<Block> overwrite(const BlockId &blockId, Data data) {
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return cpputils::nullcheck(std::unique_ptr<Block>(do_overwrite(blockId, data))).value();
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}
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MOCK_METHOD2(do_overwrite, Block*(const BlockId &, const Data &data));
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optional<unique_ref<Block>> load(const BlockId &blockId) {
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return cpputils::nullcheck(std::unique_ptr<Block>(do_load(blockId)));
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}
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MOCK_METHOD1(do_load, Block*(const BlockId &));
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void remove(unique_ref<Block> block) {UNUSED(block);}
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MOCK_METHOD1(remove, void(const BlockId &));
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MOCK_CONST_METHOD0(numBlocks, uint64_t());
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MOCK_CONST_METHOD0(estimateNumFreeBytes, uint64_t());
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MOCK_CONST_METHOD1(blockSizeFromPhysicalBlockSize, uint64_t(uint64_t));
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MOCK_CONST_METHOD1(forEachBlock, void(std::function<void (const blockstore::BlockId &)>));
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};
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class BlockMock: public Block {
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public:
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BlockMock(): Block(BlockId::Random()) {}
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MOCK_CONST_METHOD0(data, const void*());
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MOCK_METHOD3(write, void(const void*, uint64_t, uint64_t));
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MOCK_METHOD0(flush, void());
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MOCK_CONST_METHOD0(size, size_t());
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MOCK_METHOD1(resize, void(size_t));
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MOCK_CONST_METHOD0(blockId, const BlockId&());
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};
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class BlockStoreWithRandomKeysTest: public Test {
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public:
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BlockStoreWithRandomKeysTest() :blockStoreMock(), blockStore(blockStoreMock),
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blockId(BlockId::FromString("1491BB4932A389EE14BC7090AC772972")) {}
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BlockStoreWithRandomKeysMock blockStoreMock;
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BlockStore &blockStore;
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const blockstore::BlockId blockId;
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Data createDataWithSize(size_t size) {
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Data fixture(DataFixture::generate(size));
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Data data(size);
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std::memcpy(data.data(), fixture.data(), size);
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return data;
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}
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};
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TEST_F(BlockStoreWithRandomKeysTest, DataIsPassedThrough0) {
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Data data = createDataWithSize(0);
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EXPECT_CALL(blockStoreMock, do_create(_, Eq(ByRef(data)))).WillOnce(Return(new BlockMock));
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blockStore.create(data);
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}
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TEST_F(BlockStoreWithRandomKeysTest, DataIsPassedThrough1) {
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Data data = createDataWithSize(1);
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EXPECT_CALL(blockStoreMock, do_create(_, Eq(ByRef(data)))).WillOnce(Return(new BlockMock));
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blockStore.create(data);
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}
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TEST_F(BlockStoreWithRandomKeysTest, DataIsPassedThrough1024) {
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Data data = createDataWithSize(1024);
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EXPECT_CALL(blockStoreMock, do_create(_, Eq(ByRef(data)))).WillOnce(Return(new BlockMock));
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blockStore.create(data);
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}
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TEST_F(BlockStoreWithRandomKeysTest, KeyHasCorrectSize) {
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EXPECT_CALL(blockStoreMock, do_create(_, _)).WillOnce(Invoke([](const BlockId &blockId, const Data &) {
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EXPECT_EQ(BlockId::STRING_LENGTH, blockId.ToString().size());
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return new BlockMock;
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}));
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blockStore.create(createDataWithSize(1024));
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}
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TEST_F(BlockStoreWithRandomKeysTest, TwoBlocksGetDifferentKeys) {
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BlockId first_blockId = blockId;
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EXPECT_CALL(blockStoreMock, do_create(_, _))
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.WillOnce(Invoke([&first_blockId](const BlockId &blockId, const Data &) {
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first_blockId = blockId;
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return new BlockMock;
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}))
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.WillOnce(Invoke([&first_blockId](const BlockId &blockId, const Data &) {
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EXPECT_NE(first_blockId, blockId);
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return new BlockMock;
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}));
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Data data = createDataWithSize(1024);
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blockStore.create(data);
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blockStore.create(data);
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}
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TEST_F(BlockStoreWithRandomKeysTest, WillTryADifferentKeyIfKeyAlreadyExists) {
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BlockId first_blockId = blockId;
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Data data = createDataWithSize(1024);
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EXPECT_CALL(blockStoreMock, do_create(_, Eq(ByRef(data))))
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.WillOnce(Invoke([&first_blockId](const BlockId &blockId, const Data &) {
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first_blockId = blockId;
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return nullptr;
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}))
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//TODO Check that this test case fails when the second do_create call gets different data
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.WillOnce(Invoke([&first_blockId](const BlockId &blockId, const Data &) {
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EXPECT_NE(first_blockId, blockId);
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return new BlockMock;
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}));
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blockStore.create(data);
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}
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TEST_F(BlockStoreWithRandomKeysTest, WillTryADifferentKeyIfKeyAlreadyExistsTwoTimes) {
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BlockId first_blockId = blockId;
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Data data = createDataWithSize(1024);
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EXPECT_CALL(blockStoreMock, do_create(_, Eq(ByRef(data))))
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.WillOnce(Invoke([&first_blockId](const BlockId &blockId, const Data &) {
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first_blockId = blockId;
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return nullptr;
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}))
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//TODO Check that this test case fails when the second/third do_create calls get different data
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.WillOnce(Invoke([&first_blockId](const BlockId &blockId, const Data &) {
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first_blockId = blockId;
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return nullptr;
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}))
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.WillOnce(Invoke([&first_blockId](const BlockId &blockId, const Data &) {
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EXPECT_NE(first_blockId, blockId);
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return new BlockMock;
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}));
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blockStore.create(data);
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}
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