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#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"
#include "util.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();
initGC();
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);
}
}
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