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libutil: add some serialize.hh serializer tests

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Change-Id: I0116265a18bc44bba16c07bf419af70d5195f07d
This commit is contained in:
eldritch horrors 2024-03-21 15:54:41 +01:00
parent 39a1e248c9
commit a9949f4760
2 changed files with 167 additions and 0 deletions
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166
tests/unit/libutil/serialise.cc Normal file
View file

@ -0,0 +1,166 @@
#include "serialise.hh"
#include "error.hh"
#include "fmt.hh"
#include "pos-table.hh"
#include "ref.hh"
#include "types.hh"
#include <limits.h>
#include <gtest/gtest.h>
#include <numeric>
namespace nix {
TEST(Sink, uint64_t)
{
StringSink s;
s << 42;
ASSERT_EQ(s.s, std::string({42, 0, 0, 0, 0, 0, 0, 0}));
}
TEST(Sink, string_view)
{
StringSink s;
s << "";
// clang-format off
ASSERT_EQ(
s.s,
std::string({
// length
0, 0, 0, 0, 0, 0, 0, 0,
// data (omitted)
})
);
// clang-format on
s = {};
s << "test";
// clang-format off
ASSERT_EQ(
s.s,
std::string({
// length
4, 0, 0, 0, 0, 0, 0, 0,
// data
't', 'e', 's', 't',
// padding
0, 0, 0, 0,
})
);
// clang-format on
s = {};
s << "longer string";
// clang-format off
ASSERT_EQ(
s.s,
std::string({
// length
13, 0, 0, 0, 0, 0, 0, 0,
// data
'l', 'o', 'n', 'g', 'e', 'r', ' ', 's', 't', 'r', 'i', 'n', 'g',
// padding
0, 0, 0,
})
);
// clang-format on
}
TEST(Sink, StringSet)
{
StringSink s;
s << StringSet{};
// clang-format off
ASSERT_EQ(
s.s,
std::string({
// length
0, 0, 0, 0, 0, 0, 0, 0,
// data (omitted)
})
);
// clang-format on
s = {};
s << StringSet{"a", ""};
// clang-format off
ASSERT_EQ(
s.s,
std::string({
// length
2, 0, 0, 0, 0, 0, 0, 0,
// data ""
0, 0, 0, 0, 0, 0, 0, 0,
// data "a"
1, 0, 0, 0, 0, 0, 0, 0, 'a', 0, 0, 0, 0, 0, 0, 0,
})
);
// clang-format on
}
TEST(Sink, Strings)
{
StringSink s;
s << Strings{};
// clang-format off
ASSERT_EQ(
s.s,
std::string({
// length
0, 0, 0, 0, 0, 0, 0, 0,
// data (omitted)
})
);
// clang-format on
s = {};
s << Strings{"a", ""};
// clang-format off
ASSERT_EQ(
s.s,
std::string({
// length
2, 0, 0, 0, 0, 0, 0, 0,
// data "a"
1, 0, 0, 0, 0, 0, 0, 0, 'a', 0, 0, 0, 0, 0, 0, 0,
// data ""
0, 0, 0, 0, 0, 0, 0, 0,
})
);
// clang-format on
}
TEST(Sink, Error)
{
PosTable pt;
auto o = pt.addOrigin(Pos::String{make_ref<std::string>("test")}, 4);
StringSink s;
s << Error{ErrorInfo{
.level = lvlInfo,
.msg = HintFmt("foo"),
.pos = pt[pt.add(o, 1)],
.traces = {{.pos = pt[pt.add(o, 2)], .hint = HintFmt("b %1%", "foo")}},
}};
// NOTE position of the error and all traces are ignored
// by the wire format
// clang-format off
ASSERT_EQ(
s.s,
std::string({
5, 0, 0, 0, 0, 0, 0, 0, 'E', 'r', 'r', 'o', 'r', 0, 0, 0,
3, 0, 0, 0, 0, 0, 0, 0,
5, 0, 0, 0, 0, 0, 0, 0, 'E', 'r', 'r', 'o', 'r', 0, 0, 0,
3, 0, 0, 0, 0, 0, 0, 0, 'f', 'o', 'o', 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
16, 0, 0, 0, 0, 0, 0, 0,
'b', ' ', '\x1b', '[', '3', '5', ';', '1', 'm', 'f', 'o', 'o', '\x1b', '[', '0', 'm',
})
);
// clang-format on
}
}

1
tests/unit/meson.build
View file

@ -49,6 +49,7 @@ libutil_tests_sources = files(
'libutil/paths-setting.cc',
'libutil/pool.cc',
'libutil/references.cc',
'libutil/serialise.cc',
'libutil/suggestions.cc',
'libutil/tests.cc',
'libutil/url.cc',