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#include "serialise.hh"
#include "error.hh"
#include "fmt.hh"
#include "pos-table.hh"
#include "generator.hh"
#include "ref.hh"
#include "types.hh"
#include <concepts>
#include <cstdint>
#include <initializer_list>
#include <limits.h>
#include <gtest/gtest.h>
#include <numeric>
#include <stdexcept>
#include <string_view>
#include <type_traits>
namespace nix {
// don't deduce the type of `val` for added insurance.
template<typename T>
static std::string toWire(const std::type_identity_t<T> & val)
{
std::string result;
auto g = [] (const auto & val) -> WireFormatGenerator { co_yield val; }(val);
while (auto buffer = g.next()) {
result.append(buffer->data(), buffer->size());
}
return result;
}
TEST(WireFormatGenerator, uint64_t)
{
auto s = toWire<uint64_t>(42);
ASSERT_EQ(s, std::string({42, 0, 0, 0, 0, 0, 0, 0}));
}
TEST(WireFormatGenerator, string_view)
{
auto s = toWire<std::string_view>("");
// clang-format off
ASSERT_EQ(
s,
std::string({
// length
0, 0, 0, 0, 0, 0, 0, 0,
// data (omitted)
})
);
// clang-format on
s = toWire<std::string_view>("test");
// clang-format off
ASSERT_EQ(
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 = toWire<std::string_view>("longer string");
// clang-format off
ASSERT_EQ(
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(WireFormatGenerator, StringSet)
{
auto s = toWire<StringSet>({});
// clang-format off
ASSERT_EQ(
s,
std::string({
// length
0, 0, 0, 0, 0, 0, 0, 0,
// data (omitted)
})
);
// clang-format on
s = toWire<StringSet>({"a", ""});
// clang-format off
ASSERT_EQ(
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(WireFormatGenerator, Strings)
{
auto s = toWire<Strings>({});
// clang-format off
ASSERT_EQ(
s,
std::string({
// length
0, 0, 0, 0, 0, 0, 0, 0,
// data (omitted)
})
);
// clang-format on
s = toWire<Strings>({"a", ""});
// clang-format off
ASSERT_EQ(
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(WireFormatGenerator, Error)
{
PosTable pt;
auto o = pt.addOrigin(Pos::String{make_ref<std::string>("test")}, 4);
auto s = toWire<Error>(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,
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
}
TEST(WireFormatGenerator, exampleMessage)
{
auto gen = []() -> WireFormatGenerator {
std::set<std::string> foo{"a", "longer string", ""};
co_yield 42;
co_yield foo;
co_yield std::string_view("test");
co_yield true;
}();
std::vector<char> full;
while (auto s = gen.next()) {
full.insert(full.end(), s->begin(), s->end());
}
ASSERT_EQ(
full,
(std::vector<char>{
// clang-format off
// 42
42, 0, 0, 0, 0, 0, 0, 0,
// foo
3, 0, 0, 0, 0, 0, 0, 0,
/// ""
0, 0, 0, 0, 0, 0, 0, 0,
/// a
1, 0, 0, 0, 0, 0, 0, 0,
'a', 0, 0, 0, 0, 0, 0, 0,
/// longer string
13, 0, 0, 0, 0, 0, 0, 0,
'l', 'o', 'n', 'g', 'e', 'r', ' ', 's', 't', 'r', 'i', 'n', 'g', 0, 0, 0,
// foo done
// test
4, 0, 0, 0, 0, 0, 0, 0,
't', 'e', 's', 't', 0, 0, 0, 0,
// true
1, 0, 0, 0, 0, 0, 0, 0,
//clang-format on
}));
}
}
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