86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
#include <messmer/blockstore/implementations/ondisk/FileAlreadyExistsException.h>
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#include <messmer/blockstore/implementations/ondisk/OnDiskBlock.h>
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#include "google/gtest/gtest.h"
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#include "messmer/tempfile/src/TempFile.h"
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#include "messmer/tempfile/src/TempDir.h"
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using ::testing::Test;
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using ::testing::WithParamInterface;
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using ::testing::Values;
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using tempfile::TempFile;
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using tempfile::TempDir;
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using std::unique_ptr;
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using namespace blockstore;
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using namespace blockstore::ondisk;
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namespace bf = boost::filesystem;
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class OnDiskBlockCreateTest: public Test {
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public:
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OnDiskBlockCreateTest()
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// Don't create the temp file yet (therefore pass false to the TempFile constructor)
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: dir(),
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key(Key::FromString("1491BB4932A389EE14BC7090AC772972")),
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file(dir.path() / key.ToString(), false) {
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}
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TempDir dir;
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Key key;
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TempFile file;
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};
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TEST_F(OnDiskBlockCreateTest, CreatingBlockCreatesFile) {
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EXPECT_FALSE(bf::exists(file.path()));
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auto block = OnDiskBlock::CreateOnDisk(dir.path(), key, 0);
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EXPECT_TRUE(bf::exists(file.path()));
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EXPECT_TRUE(bf::is_regular_file(file.path()));
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}
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TEST_F(OnDiskBlockCreateTest, CreatingExistingBlockReturnsNull) {
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auto block1 = OnDiskBlock::CreateOnDisk(dir.path(), key, 0);
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auto block2 = OnDiskBlock::CreateOnDisk(dir.path(), key, 0);
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EXPECT_TRUE((bool)block1);
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EXPECT_FALSE((bool)block2);
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}
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class OnDiskBlockCreateSizeTest: public OnDiskBlockCreateTest, public WithParamInterface<size_t> {
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public:
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unique_ptr<OnDiskBlock> block;
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Data ZEROES;
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OnDiskBlockCreateSizeTest():
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block(OnDiskBlock::CreateOnDisk(dir.path(), key, GetParam())),
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ZEROES(block->size())
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{
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ZEROES.FillWithZeroes();
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}
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};
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INSTANTIATE_TEST_CASE_P(OnDiskBlockCreateSizeTest, OnDiskBlockCreateSizeTest, Values(0, 1, 5, 1024, 10*1024*1024));
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TEST_P(OnDiskBlockCreateSizeTest, OnDiskSizeIsCorrect) {
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Data fileContent = Data::LoadFromFile(file.path());
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EXPECT_EQ(GetParam(), fileContent.size());
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}
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TEST_P(OnDiskBlockCreateSizeTest, OnDiskBlockIsZeroedOut) {
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Data fileContent = Data::LoadFromFile(file.path());
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EXPECT_EQ(0, std::memcmp(ZEROES.data(), fileContent.data(), fileContent.size()));
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}
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// This test is also tested by OnDiskBlockStoreTest, but there the block is created using the BlockStore interface.
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// Here, we create it using OnDiskBlock::CreateOnDisk()
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TEST_P(OnDiskBlockCreateSizeTest, InMemorySizeIsCorrect) {
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EXPECT_EQ(GetParam(), block->size());
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}
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// This test is also tested by OnDiskBlockStoreTest, but there the block is created using the BlockStore interface.
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// Here, we create it using OnDiskBlock::CreateOnDisk()
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TEST_P(OnDiskBlockCreateSizeTest, InMemoryBlockIsZeroedOut) {
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EXPECT_EQ(0, std::memcmp(ZEROES.data(), block->data(), block->size()));
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}
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