mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-14 10:16:15 +02:00
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
#include "git-utils.hh"
|
|
#include "file-system.hh"
|
|
#include "gmock/gmock.h"
|
|
#include <git2/global.h>
|
|
#include <git2/repository.h>
|
|
#include <git2/types.h>
|
|
#include <gtest/gtest.h>
|
|
#include "fs-sink.hh"
|
|
#include "serialise.hh"
|
|
|
|
namespace nix {
|
|
|
|
class GitUtilsTest : public ::testing::Test
|
|
{
|
|
// We use a single repository for all tests.
|
|
Path tmpDir;
|
|
std::unique_ptr<AutoDelete> delTmpDir;
|
|
|
|
public:
|
|
void SetUp() override
|
|
{
|
|
tmpDir = createTempDir();
|
|
delTmpDir = std::make_unique<AutoDelete>(tmpDir, true);
|
|
|
|
// Create the repo with libgit2
|
|
git_libgit2_init();
|
|
git_repository * repo = nullptr;
|
|
auto r = git_repository_init(&repo, tmpDir.c_str(), 0);
|
|
ASSERT_EQ(r, 0);
|
|
git_repository_free(repo);
|
|
}
|
|
|
|
void TearDown() override
|
|
{
|
|
// Destroy the AutoDelete, triggering removal
|
|
// not AutoDelete::reset(), which would cancel the deletion.
|
|
delTmpDir.reset();
|
|
}
|
|
|
|
ref<GitRepo> openRepo()
|
|
{
|
|
return GitRepo::openRepo(tmpDir, true, false);
|
|
}
|
|
};
|
|
|
|
void writeString(CreateRegularFileSink & fileSink, std::string contents, bool executable)
|
|
{
|
|
if (executable)
|
|
fileSink.isExecutable();
|
|
fileSink.preallocateContents(contents.size());
|
|
fileSink(contents);
|
|
}
|
|
|
|
TEST_F(GitUtilsTest, sink_basic)
|
|
{
|
|
auto repo = openRepo();
|
|
auto sink = repo->getFileSystemObjectSink();
|
|
|
|
// TODO/Question: It seems a little odd that we use the tarball-like convention of requiring a top-level directory
|
|
// here
|
|
// The sync method does not document this behavior, should probably renamed because it's not very
|
|
// general, and I can't imagine that "non-conventional" archives or any other source to be handled by
|
|
// this sink.
|
|
|
|
sink->createDirectory(CanonPath("foo-1.1"));
|
|
|
|
sink->createRegularFile(CanonPath("foo-1.1/hello"), [](CreateRegularFileSink & fileSink) {
|
|
writeString(fileSink, "hello world", false);
|
|
});
|
|
sink->createRegularFile(CanonPath("foo-1.1/bye"), [](CreateRegularFileSink & fileSink) {
|
|
writeString(fileSink, "thanks for all the fish", false);
|
|
});
|
|
sink->createSymlink(CanonPath("foo-1.1/bye-link"), "bye");
|
|
sink->createDirectory(CanonPath("foo-1.1/empty"));
|
|
sink->createDirectory(CanonPath("foo-1.1/links"));
|
|
sink->createHardlink(CanonPath("foo-1.1/links/foo"), CanonPath("foo-1.1/hello"));
|
|
|
|
// sink->createHardlink("foo-1.1/links/foo-2", CanonPath("foo-1.1/hello"));
|
|
|
|
auto result = repo->dereferenceSingletonDirectory(sink->sync());
|
|
auto accessor = repo->getAccessor(result, false);
|
|
auto entries = accessor->readDirectory(CanonPath::root);
|
|
ASSERT_EQ(entries.size(), 5);
|
|
ASSERT_EQ(accessor->readFile(CanonPath("hello")), "hello world");
|
|
ASSERT_EQ(accessor->readFile(CanonPath("bye")), "thanks for all the fish");
|
|
ASSERT_EQ(accessor->readLink(CanonPath("bye-link")), "bye");
|
|
ASSERT_EQ(accessor->readDirectory(CanonPath("empty")).size(), 0);
|
|
ASSERT_EQ(accessor->readFile(CanonPath("links/foo")), "hello world");
|
|
};
|
|
|
|
TEST_F(GitUtilsTest, sink_hardlink)
|
|
{
|
|
auto repo = openRepo();
|
|
auto sink = repo->getFileSystemObjectSink();
|
|
|
|
sink->createDirectory(CanonPath("foo-1.1"));
|
|
|
|
sink->createRegularFile(CanonPath("foo-1.1/hello"), [](CreateRegularFileSink & fileSink) {
|
|
writeString(fileSink, "hello world", false);
|
|
});
|
|
|
|
try {
|
|
sink->createHardlink(CanonPath("foo-1.1/link"), CanonPath("hello"));
|
|
FAIL() << "Expected an exception";
|
|
} catch (const nix::Error & e) {
|
|
ASSERT_THAT(e.msg(), testing::HasSubstr("cannot find hard link target"));
|
|
ASSERT_THAT(e.msg(), testing::HasSubstr("/hello"));
|
|
ASSERT_THAT(e.msg(), testing::HasSubstr("foo-1.1/link"));
|
|
}
|
|
};
|
|
|
|
} // namespace nix
|