lix/tests/unit/libcmd/args.cc
eldritch horrors 8088927b90 libexpr: initGC -> initLibExpr
we'll put more stuff in there shortly. unfortunately.

Change-Id: I74be957469c3dcd5157f999e2cf23b1c668426d8
2024-11-15 16:15:11 +01:00

57 lines
1.8 KiB
C++

#include <iostream>
#include <memory>
#include <string_view>
#include <boost/core/demangle.hpp>
#include <gtest/gtest.h>
#include "common-eval-args.hh"
#include "eval.hh"
#include "filetransfer.hh"
#include "shared.hh"
#include "store-api.hh"
constexpr std::string_view INVALID_CHANNEL = "channel:example";
constexpr std::string_view CHANNEL_URL = "https://nixos.org/channels/example/nixexprs.tar.xz";
namespace nix
{
TEST(Arguments, lookupFileArg) {
initNix();
initLibExpr();
std::string const unitDataPath = getEnv("_NIX_TEST_UNIT_DATA").value();
// Meson should be allowed to pass us a relative path here tbh.
auto const canonDataPath = CanonPath::fromCwd(unitDataPath);
std::string const searchPathElem = fmt("example=%s", unitDataPath);
SearchPath searchPath;
searchPath.elements.push_back(SearchPath::Elem::parse(searchPathElem));
auto store = openStore("dummy://");
auto statePtr = std::make_shared<EvalState>(searchPath, store, store);
auto & state = *statePtr;
SourcePath const foundUnitData = lookupFileArg(state, "<example>");
EXPECT_EQ(foundUnitData.path, canonDataPath);
// lookupFileArg should not resolve <search paths> if anything else is before or after it.
SourcePath const yepEvenSpaces = lookupFileArg(state, " <example>");
EXPECT_EQ(yepEvenSpaces.path, CanonPath::fromCwd(" <example>"));
EXPECT_EQ(lookupFileArg(state, "<example>/nixos").path, CanonPath::fromCwd("<example>/nixos"));
try {
lookupFileArg(state, INVALID_CHANNEL);
} catch (FileTransferError const & ex) {
std::string_view const msg(ex.what());
EXPECT_NE(msg.find(CHANNEL_URL), msg.npos);
}
SourcePath const normalFile = lookupFileArg(state, unitDataPath);
EXPECT_EQ(normalFile.path, canonDataPath);
}
}