eldritch horrors
7ff1dca1fa
Turn derivation unit tests into unit characterization tests
(cherry picked from commit a6e587923c9d5d716fe0f0049bed96d1cc210bff)
Change-Id: Ia2a2e65aabfee8d5d52142b8fdaacbae4a27242c
92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
#include <nlohmann/json.hpp>
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#include <gtest/gtest.h>
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#include "tests/libstore.hh"
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#include "characterization.hh"
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namespace nix {
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template<class Proto, const char * protocolDir>
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class ProtoTest : public LibStoreTest
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{
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protected:
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Path unitTestData = getUnitTestData() + "/libstore/" + protocolDir;
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Path goldenMaster(std::string_view testStem) {
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return unitTestData + "/" + testStem + ".bin";
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}
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};
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template<class Proto, const char * protocolDir>
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class VersionedProtoTest : public ProtoTest<Proto, protocolDir>
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{
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public:
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/**
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* Golden test for `T` reading
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*/
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template<typename T>
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void readTest(PathView testStem, typename Proto::Version version, T value)
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{
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if (testAccept())
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{
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GTEST_SKIP() << cannotReadGoldenMaster;
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}
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else
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{
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auto expected = readFile(ProtoTest<Proto, protocolDir>::goldenMaster(testStem));
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T got = ({
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StringSource from { expected };
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Proto::template Serialise<T>::read(
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*LibStoreTest::store,
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typename Proto::ReadConn {
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.from = from,
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.version = version,
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});
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});
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ASSERT_EQ(got, value);
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}
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}
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/**
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* Golden test for `T` write
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*/
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template<typename T>
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void writeTest(PathView testStem, typename Proto::Version version, const T & value)
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{
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auto file = ProtoTest<Proto, protocolDir>::goldenMaster(testStem);
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StringSink to;
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Proto::write(
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*LibStoreTest::store,
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typename Proto::WriteConn {
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.to = to,
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.version = version,
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},
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value);
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if (testAccept())
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{
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createDirs(dirOf(file));
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writeFile(file, to.s);
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GTEST_SKIP() << updatingGoldenMaster;
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}
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else
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{
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auto expected = readFile(file);
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ASSERT_EQ(to.s, expected);
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}
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}
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};
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#define VERSIONED_CHARACTERIZATION_TEST(FIXTURE, NAME, STEM, VERSION, VALUE) \
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TEST_F(FIXTURE, NAME ## _read) { \
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readTest(STEM, VERSION, VALUE); \
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} \
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TEST_F(FIXTURE, NAME ## _write) { \
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writeTest(STEM, VERSION, VALUE); \
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}
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}
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