libcryfs/test/implementations/ondisk/OnDiskBlockTest/OnDiskBlockLoadTest.cpp
2015-07-21 18:19:34 +02:00

81 lines
2.2 KiB
C++

#include "../../../../implementations/ondisk/OnDiskBlock.h"
#include <messmer/cpp-utils/data/DataFixture.h>
#include "../../../../utils/FileDoesntExistException.h"
#include "google/gtest/gtest.h"
#include <messmer/cpp-utils/data/Data.h>
#include <messmer/cpp-utils/tempfile/TempFile.h>
#include <messmer/cpp-utils/tempfile/TempDir.h>
#include <messmer/cpp-utils/pointer/unique_ref_boost_optional_gtest_workaround.h>
#include <fstream>
using ::testing::Test;
using ::testing::WithParamInterface;
using ::testing::Values;
using std::ofstream;
using std::ios;
using cpputils::Data;
using cpputils::DataFixture;
using cpputils::TempFile;
using cpputils::TempDir;
using cpputils::unique_ref;
using namespace blockstore;
using namespace blockstore::ondisk;
namespace bf = boost::filesystem;
class OnDiskBlockLoadTest: public Test, public WithParamInterface<size_t> {
public:
OnDiskBlockLoadTest():
dir(),
key(Key::FromString("1491BB4932A389EE14BC7090AC772972")),
file(dir.path() / key.ToString()) {
}
TempDir dir;
Key key;
TempFile file;
void SetFileSize(size_t size) {
Data data(size);
data.StoreToFile(file.path());
}
void StoreData(const Data &data) {
data.StoreToFile(file.path());
}
unique_ref<OnDiskBlock> LoadBlock() {
return OnDiskBlock::LoadFromDisk(dir.path(), key).value();
}
void EXPECT_BLOCK_DATA_EQ(const Data &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) {
Data randomData = DataFixture::generate(GetParam());
StoreData(randomData);
auto block = LoadBlock();
EXPECT_BLOCK_DATA_EQ(randomData, *block);
}
TEST_F(OnDiskBlockLoadTest, LoadNotExistingBlock) {
Key key2 = Key::FromString("272EE5517627CFA147A971A8E6E747E0");
EXPECT_EQ(boost::none, OnDiskBlock::LoadFromDisk(dir.path(), key2));
}