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Add test case for writing and reading huge tar file

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This test case is disabled by default because it needs too much storage,
but serves as documentation for the future.
This commit is contained in:
Patrick Niklaus 2018-04-10 15:55:11 +00:00 committed by Michael Krasnyk
parent 3653e51f67
commit 59c0795c7f
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1 changed files with 33 additions and 0 deletions
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33
unit_tests/storage/tar.cpp
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@ -3,6 +3,8 @@
#include "../common/range_tools.hpp"
#include "../common/temporary_file.hpp"
#include <boost/function_output_iterator.hpp>
#include <boost/iterator/function_input_iterator.hpp>
#include <boost/test/unit_test.hpp>
BOOST_AUTO_TEST_SUITE(tar)
@ -187,4 +189,35 @@ BOOST_AUTO_TEST_CASE(continue_write_tar_file)
CHECK_EQUAL_COLLECTIONS(result_64bit_vector, vector_64bit);
}
// This test case is disabled by default because it needs 70 GiB of storage
BOOST_AUTO_TEST_CASE(write_huge_tar_file, *boost::unit_test::disabled())
{
TemporaryFile tmp{TEST_DATA_DIR "/tar_huge_write_test.tar"};
std::uint64_t reference_checksum = 0;
{
storage::tar::FileWriter writer(tmp.path, storage::tar::FileWriter::GenerateFingerprint);
std::uint64_t value = 0;
const std::function<std::uint64_t()> encode_function = [&]() -> std::uint64_t {
reference_checksum += value;
return value++;
};
std::uint64_t num_elements = (70ULL * 1024ULL * 1024ULL * 1024ULL) / sizeof(std::uint64_t);
writer.WriteStreaming<std::uint64_t>(
"huge_data",
boost::make_function_input_iterator(encode_function, boost::infinite()),
num_elements);
}
std::uint64_t checksum = 0;
{
storage::tar::FileReader reader(tmp.path, storage::tar::FileReader::VerifyFingerprint);
reader.ReadStreaming<std::uint64_t>(
"huge_data",
boost::make_function_output_iterator([&](const auto &value) { checksum += value; }));
}
BOOST_CHECK_EQUAL(checksum, reference_checksum);
}
BOOST_AUTO_TEST_SUITE_END()