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C API: Add nix_store_real_path

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Robert Hensing 2024-12-12 18:51:11 +01:00 • committed by Mic92
parent 472912f7ca
commit 2a98168942
3 changed files with 112 additions and 0 deletions
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80
src/libstore-tests/nix_api_store.cc
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@ -119,4 +119,84 @@ TEST_F(nix_api_store_test, nix_store_is_valid_path_not_in_store)
ASSERT_EQ(false, nix_store_is_valid_path(ctx, store, path));
}
TEST_F(nix_api_store_test, nix_store_real_path)
{
StorePath * path = nix_store_parse_path(ctx, store, (nixStoreDir + PATH_SUFFIX).c_str());
std::string rp;
auto ret = nix_store_real_path(ctx, store, path, OBSERVE_STRING(rp));
assert_ctx_ok();
ASSERT_EQ(NIX_OK, ret);
// Assumption: we're not testing with a relocated store
ASSERT_STREQ((nixStoreDir + PATH_SUFFIX).c_str(), rp.c_str());
nix_store_path_free(path);
}
TEST_F(nix_api_util_context, nix_store_real_path_relocated)
{
if (nix::getEnv("HOME").value_or("") == "/homeless-shelter") {
// Can't open default store from within sandbox
GTEST_SKIP();
}
auto tmp = nix::createTempDir();
std::string storeRoot = tmp + "/store";
std::string stateDir = tmp + "/state";
std::string logDir = tmp + "/log";
const char * rootkv[] = {"root", storeRoot.c_str()};
const char * statekv[] = {"state", stateDir.c_str()};
const char * logkv[] = {"log", logDir.c_str()};
// const char * rokv[] = {"read-only", "true"};
const char ** kvs[] = {rootkv, statekv, logkv, NULL};
nix_libstore_init(ctx);
assert_ctx_ok();
Store * store = nix_store_open(ctx, "local", kvs);
assert_ctx_ok();
ASSERT_NE(store, nullptr);
std::string nixStoreDir;
auto ret = nix_store_get_storedir(ctx, store, OBSERVE_STRING(nixStoreDir));
ASSERT_EQ(NIX_OK, ret);
ASSERT_STREQ(NIX_STORE_DIR, nixStoreDir.c_str());
StorePath * path = nix_store_parse_path(ctx, store, (nixStoreDir + PATH_SUFFIX).c_str());
assert_ctx_ok();
ASSERT_NE(path, nullptr);
std::string rp;
ret = nix_store_real_path(ctx, store, path, OBSERVE_STRING(rp));
assert_ctx_ok();
ASSERT_EQ(NIX_OK, ret);
// Assumption: we're not testing with a relocated store
ASSERT_STREQ((storeRoot + NIX_STORE_DIR + PATH_SUFFIX).c_str(), rp.c_str());
nix_store_path_free(path);
}
TEST_F(nix_api_util_context, nix_store_real_path_binary_cache)
{
if (nix::getEnv("HOME").value_or("") == "/homeless-shelter") {
// TODO: override NIX_CACHE_HOME?
// skipping test in sandbox because narinfo cache can't be written
GTEST_SKIP();
}
Store * store = nix_store_open(ctx, "https://cache.nixos.org", nullptr);
assert_ctx_ok();
ASSERT_NE(store, nullptr);
std::string path_raw = std::string(NIX_STORE_DIR) + PATH_SUFFIX;
StorePath * path = nix_store_parse_path(ctx, store, path_raw.c_str());
assert_ctx_ok();
ASSERT_NE(path, nullptr);
std::string rp;
auto ret = nix_store_real_path(ctx, store, path, OBSERVE_STRING(rp));
assert_ctx_ok();
ASSERT_EQ(NIX_OK, ret);
ASSERT_STREQ(path_raw.c_str(), rp.c_str());
}
} // namespace nixC