lix/tests/unit/libstore/nar-info.cc

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#include <nlohmann/json.hpp>
#include <gtest/gtest.h>
#include "path-info.hh"
#include "nar-info.hh"
#include "tests/characterization.hh"
#include "tests/libstore.hh"
namespace nix {
using nlohmann::json;
class NarInfoTest : public CharacterizationTest, public LibStoreTest
{
Path unitTestData = getUnitTestData() + "/nar-info";
Path goldenMaster(PathView testStem) const override {
return unitTestData + "/" + testStem + ".json";
}
};
static NarInfo makeNarInfo(const Store & store, bool includeImpureInfo) {
NarInfo info = ValidPathInfo {
store,
"foo",
FixedOutputInfo {
.method = FileIngestionMethod::Recursive,
.hash = hashString(HashAlgorithm::SHA256, "(...)"),
.references = {
.others = {
StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar",
},
},
.self = true,
},
},
Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc="),
};
info.narSize = 34878;
if (includeImpureInfo) {
info.deriver = StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar.drv",
};
info.registrationTime = 23423;
info.ultimate = true;
info.sigs = { "asdf", "qwer" };
info.url = "nar/1w1fff338fvdw53sqgamddn1b2xgds473pv6y13gizdbqjv4i5p3.nar.xz";
info.compression = "xz";
info.fileHash = Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc=");
info.fileSize = 4029176;
}
return info;
}
#define JSON_TEST(STEM, PURE) \
TEST_F(NarInfoTest, NarInfo_ ## STEM ## _from_json) { \
readTest(#STEM, [&](const auto & encoded_) { \
auto encoded = json::parse(encoded_); \
auto expected = makeNarInfo(*store, PURE); \
NarInfo got = NarInfo::fromJSON( \
*store, \
expected.path, \
encoded); \
ASSERT_EQ(got, expected); \
}); \
} \
\
TEST_F(NarInfoTest, NarInfo_ ## STEM ## _to_json) { \
writeTest(#STEM, [&]() -> json { \
return makeNarInfo(*store, PURE) \
.toJSON(*store, PURE, HashFormat::SRI); \
}, [](const auto & file) { \
return json::parse(readFile(file)); \
}, [](const auto & file, const auto & got) { \
return writeFile(file, got.dump(2) + "\n"); \
}); \
}
JSON_TEST(pure, false)
JSON_TEST(impure, true)
}