libcryfs/test/implementations/ondisk/OnDiskBlockTest/OnDiskBlockLoadTest.cpp

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#include <messmer/blockstore/implementations/ondisk/OnDiskBlock.h>
#include <messmer/blockstore/test/testutils/DataBlockFixture.h>
#include <messmer/blockstore/utils/FileDoesntExistException.h>
#include "google/gtest/gtest.h"
#include "../../../../utils/Data.h"
#include "messmer/tempfile/src/TempFile.h"
#include "messmer/tempfile/src/TempDir.h"
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#include <fstream>
using ::testing::Test;
using ::testing::WithParamInterface;
using ::testing::Values;
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using tempfile::TempFile;
using tempfile::TempDir;
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using std::ofstream;
using std::unique_ptr;
using std::ios;
using namespace blockstore;
using namespace blockstore::ondisk;
namespace bf = boost::filesystem;
class OnDiskBlockLoadTest: public Test, public WithParamInterface<size_t> {
public:
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OnDiskBlockLoadTest():
dir(),
key(Key::FromString("1491BB4932A389EE14BC7090AC772972")),
file(dir.path() / key.ToString()) {
}
TempDir dir;
Key key;
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TempFile file;
void SetFileSize(size_t size) {
Data data(size);
data.StoreToFile(file.path());
}
void StoreData(const DataBlockFixture &data) {
//TODO Implement data.StoreToFile(filepath) instead
Data dataobj(data.size());
std::memcpy(dataobj.data(), data.data(), data.size());
dataobj.StoreToFile(file.path());
}
unique_ptr<OnDiskBlock> LoadBlock() {
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return OnDiskBlock::LoadFromDisk(dir.path(), key);
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}
void EXPECT_BLOCK_DATA_EQ(const DataBlockFixture &expected, const OnDiskBlock &actual) {
EXPECT_EQ(expected.size(), actual.size());
EXPECT_EQ(0, std::memcmp(expected.data(), actual.data(), expected.size()));
}
};
INSTANTIATE_TEST_CASE_P(OnDiskBlockLoadTest, OnDiskBlockLoadTest, Values(0, 1, 5, 1024, 10*1024*1024));
TEST_P(OnDiskBlockLoadTest, FileSizeIsCorrect) {
SetFileSize(GetParam());
auto block = LoadBlock();
EXPECT_EQ(GetParam(), block->size());
}
TEST_P(OnDiskBlockLoadTest, LoadedDataIsCorrect) {
DataBlockFixture randomData(GetParam());
StoreData(randomData);
auto block = LoadBlock();
EXPECT_BLOCK_DATA_EQ(randomData, *block);
}
TEST_F(OnDiskBlockLoadTest, LoadNotExistingBlock) {
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Key key2 = Key::FromString("272EE5517627CFA147A971A8E6E747E0");
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EXPECT_FALSE(
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(bool)OnDiskBlock::LoadFromDisk(dir.path(), key2)
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);
}