lix/tests/unit/libstore/protocol.hh
Jade Lovelace c22a7f50cb libstore: refuse to serialise ancient protocols
We don't want to deal with these at all, let's stop doing so.

(marking this one as the fix commit since its immediate predecessors
aren't the complete fix)
Fixes: https://git.lix.systems/lix-project/lix/issues/325

Change-Id: Ieea1b0b8ac0f903d1e24e5b3e63cfe12eeec119d
2024-06-16 19:15:08 -07:00

86 lines
2.1 KiB
C++

#include <nlohmann/json.hpp>
#include <gtest/gtest.h>
#include "tests/libstore.hh"
#include "tests/characterization.hh"
namespace nix {
template<class Proto, const char * protocolDir>
class ProtoTest : public LibStoreTest
{
protected:
Path unitTestData = getUnitTestData() + "/libstore/" + protocolDir;
Path goldenMaster(std::string_view testStem) {
return unitTestData + "/" + testStem + ".bin";
}
};
template<class Proto, const char * protocolDir>
class VersionedProtoTest : public ProtoTest<Proto, protocolDir>
{
public:
/**
* Golden test for `T` reading
*/
template<typename T>
void readTest(PathView testStem, typename Proto::Version version, T value)
{
if (testAccept())
{
GTEST_SKIP() << cannotReadGoldenMaster;
}
else
{
auto expected = readFile(ProtoTest<Proto, protocolDir>::goldenMaster(testStem));
T got = ({
StringSource from { expected };
Proto::template Serialise<T>::read(
*LibStoreTest::store,
typename Proto::ReadConn {from, version}
);
});
ASSERT_EQ(got, value);
}
}
/**
* Golden test for `T` write
*/
template<typename T>
void writeTest(PathView testStem, typename Proto::Version version, const T & value)
{
auto file = ProtoTest<Proto, protocolDir>::goldenMaster(testStem);
StringSink to;
Proto::write(
*LibStoreTest::store,
typename Proto::WriteConn {to, version},
value);
if (testAccept())
{
createDirs(dirOf(file));
writeFile(file, to.s);
GTEST_SKIP() << updatingGoldenMaster;
}
else
{
auto expected = readFile(file);
ASSERT_EQ(to.s, expected);
}
}
};
#define VERSIONED_CHARACTERIZATION_TEST(FIXTURE, NAME, STEM, VERSION, VALUE) \
TEST_F(FIXTURE, NAME ## _read) { \
readTest(STEM, VERSION, VALUE); \
} \
TEST_F(FIXTURE, NAME ## _write) { \
writeTest(STEM, VERSION, VALUE); \
}
}