447 lines
13 KiB
C++
447 lines
13 KiB
C++
#include <gtest/gtest.h>
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#include <filesystem>
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#include <string>
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#include "nix/util/file-system.hh"
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#include "nix_api_store.h"
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#include "nix_api_util.h"
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#include "nix_api_expr.h"
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#include "nix_api_value.h"
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#include "nix_api_flake.h"
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#include "nix/util/tests/string_callback.hh"
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#include "nix/store/tests/nix_api_store.hh"
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#include "nix/util/tests/nix_api_util.hh"
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#include "nix_api_fetchers.h"
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namespace nixC {
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TEST_F(nix_api_store_test, nix_api_init_getFlake_exists)
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{
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nix_libstore_init(ctx);
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assert_ctx_ok();
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nix_libexpr_init(ctx);
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assert_ctx_ok();
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auto settings = nix_flake_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, settings);
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nix_eval_state_builder * builder = nix_eval_state_builder_new(ctx, store);
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ASSERT_NE(nullptr, builder);
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assert_ctx_ok();
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nix_flake_settings_add_to_eval_state_builder(ctx, settings, builder);
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assert_ctx_ok();
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auto state = nix_eval_state_build(ctx, builder);
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assert_ctx_ok();
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ASSERT_NE(nullptr, state);
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nix_eval_state_builder_free(builder);
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auto value = nix_alloc_value(ctx, state);
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assert_ctx_ok();
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ASSERT_NE(nullptr, value);
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nix_err err = nix_expr_eval_from_string(ctx, state, "builtins.getFlake", ".", value);
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nix_state_free(state);
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assert_ctx_ok();
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ASSERT_EQ(NIX_OK, err);
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ASSERT_EQ(NIX_TYPE_FUNCTION, nix_get_type(ctx, value));
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}
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TEST_F(nix_api_store_test, nix_api_flake_reference_not_absolute_no_basedir_fail)
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{
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nix_libstore_init(ctx);
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assert_ctx_ok();
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nix_libexpr_init(ctx);
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assert_ctx_ok();
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auto settings = nix_flake_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, settings);
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auto fetchSettings = nix_fetchers_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, fetchSettings);
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auto parseFlags = nix_flake_reference_parse_flags_new(ctx, settings);
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std::string str(".#legacyPackages.aarch127-unknown...orion");
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std::string fragment;
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nix_flake_reference * flakeReference = nullptr;
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auto r = nix_flake_reference_and_fragment_from_string(
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ctx, fetchSettings, settings, parseFlags, str.data(), str.size(), &flakeReference, OBSERVE_STRING(fragment));
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ASSERT_NE(NIX_OK, r);
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ASSERT_EQ(nullptr, flakeReference);
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nix_flake_reference_parse_flags_free(parseFlags);
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}
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TEST_F(nix_api_store_test, nix_api_load_flake)
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{
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auto tmpDir = nix::createTempDir();
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nix::AutoDelete delTmpDir(tmpDir, true);
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nix::writeFile(tmpDir / "flake.nix", R"(
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{
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outputs = { ... }: {
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hello = "potato";
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};
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}
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)");
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nix_libstore_init(ctx);
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assert_ctx_ok();
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nix_libexpr_init(ctx);
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assert_ctx_ok();
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auto fetchSettings = nix_fetchers_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, fetchSettings);
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auto settings = nix_flake_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, settings);
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nix_eval_state_builder * builder = nix_eval_state_builder_new(ctx, store);
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ASSERT_NE(nullptr, builder);
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assert_ctx_ok();
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auto state = nix_eval_state_build(ctx, builder);
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assert_ctx_ok();
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ASSERT_NE(nullptr, state);
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nix_eval_state_builder_free(builder);
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auto parseFlags = nix_flake_reference_parse_flags_new(ctx, settings);
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assert_ctx_ok();
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ASSERT_NE(nullptr, parseFlags);
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auto r0 = nix_flake_reference_parse_flags_set_base_directory(
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ctx, parseFlags, tmpDir.string().c_str(), tmpDir.string().size());
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assert_ctx_ok();
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ASSERT_EQ(NIX_OK, r0);
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std::string fragment;
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const std::string ref = ".#legacyPackages.aarch127-unknown...orion";
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nix_flake_reference * flakeReference = nullptr;
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auto r = nix_flake_reference_and_fragment_from_string(
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ctx, fetchSettings, settings, parseFlags, ref.data(), ref.size(), &flakeReference, OBSERVE_STRING(fragment));
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assert_ctx_ok();
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ASSERT_EQ(NIX_OK, r);
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ASSERT_NE(nullptr, flakeReference);
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ASSERT_EQ(fragment, "legacyPackages.aarch127-unknown...orion");
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nix_flake_reference_parse_flags_free(parseFlags);
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auto lockFlags = nix_flake_lock_flags_new(ctx, settings);
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assert_ctx_ok();
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ASSERT_NE(nullptr, lockFlags);
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auto lockedFlake = nix_flake_lock(ctx, fetchSettings, settings, state, lockFlags, flakeReference);
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assert_ctx_ok();
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ASSERT_NE(nullptr, lockedFlake);
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nix_flake_lock_flags_free(lockFlags);
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auto value = nix_locked_flake_get_output_attrs(ctx, settings, state, lockedFlake);
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assert_ctx_ok();
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ASSERT_NE(nullptr, value);
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auto helloAttr = nix_get_attr_byname(ctx, value, state, "hello");
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assert_ctx_ok();
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ASSERT_NE(nullptr, helloAttr);
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std::string helloStr;
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nix_get_string(ctx, helloAttr, OBSERVE_STRING(helloStr));
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assert_ctx_ok();
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ASSERT_EQ("potato", helloStr);
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nix_value_decref(ctx, value);
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nix_locked_flake_free(lockedFlake);
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nix_flake_reference_free(flakeReference);
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nix_state_free(state);
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nix_flake_settings_free(settings);
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}
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TEST_F(nix_api_store_test, nix_api_load_flake_with_flags)
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{
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nix_libstore_init(ctx);
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assert_ctx_ok();
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nix_libexpr_init(ctx);
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assert_ctx_ok();
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auto tmpDir = nix::createTempDir();
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nix::AutoDelete delTmpDir(tmpDir, true);
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nix::createDirs(tmpDir / "b");
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nix::writeFile(tmpDir / "b" / "flake.nix", R"(
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{
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outputs = { ... }: {
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hello = "BOB";
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};
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}
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)");
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nix::createDirs(tmpDir / "a");
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nix::writeFile(tmpDir / "a" / "flake.nix", R"(
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{
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inputs.b.url = ")" + tmpDir.string() + R"(/b";
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outputs = { b, ... }: {
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hello = b.hello;
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};
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}
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)");
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nix::createDirs(tmpDir / "c");
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nix::writeFile(tmpDir / "c" / "flake.nix", R"(
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{
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outputs = { ... }: {
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hello = "Claire";
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};
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}
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)");
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nix_libstore_init(ctx);
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assert_ctx_ok();
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auto fetchSettings = nix_fetchers_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, fetchSettings);
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auto settings = nix_flake_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, settings);
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nix_eval_state_builder * builder = nix_eval_state_builder_new(ctx, store);
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ASSERT_NE(nullptr, builder);
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assert_ctx_ok();
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auto state = nix_eval_state_build(ctx, builder);
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assert_ctx_ok();
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ASSERT_NE(nullptr, state);
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nix_eval_state_builder_free(builder);
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auto parseFlags = nix_flake_reference_parse_flags_new(ctx, settings);
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assert_ctx_ok();
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ASSERT_NE(nullptr, parseFlags);
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auto r0 = nix_flake_reference_parse_flags_set_base_directory(
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ctx, parseFlags, tmpDir.string().c_str(), tmpDir.string().size());
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assert_ctx_ok();
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ASSERT_EQ(NIX_OK, r0);
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std::string fragment;
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const std::string ref = "./a";
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nix_flake_reference * flakeReference = nullptr;
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auto r = nix_flake_reference_and_fragment_from_string(
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ctx, fetchSettings, settings, parseFlags, ref.data(), ref.size(), &flakeReference, OBSERVE_STRING(fragment));
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assert_ctx_ok();
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ASSERT_EQ(NIX_OK, r);
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ASSERT_NE(nullptr, flakeReference);
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ASSERT_EQ(fragment, "");
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// Step 1: Do not update, fails
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auto lockFlags = nix_flake_lock_flags_new(ctx, settings);
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assert_ctx_ok();
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ASSERT_NE(nullptr, lockFlags);
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nix_flake_lock_flags_set_mode_check(ctx, lockFlags);
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assert_ctx_ok();
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// Step 2: Update but do not write, succeeds
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auto lockedFlake = nix_flake_lock(ctx, fetchSettings, settings, state, lockFlags, flakeReference);
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assert_ctx_err();
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ASSERT_EQ(nullptr, lockedFlake);
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nix_flake_lock_flags_set_mode_virtual(ctx, lockFlags);
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assert_ctx_ok();
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lockedFlake = nix_flake_lock(ctx, fetchSettings, settings, state, lockFlags, flakeReference);
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assert_ctx_ok();
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ASSERT_NE(nullptr, lockedFlake);
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// Get the output attrs
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auto value = nix_locked_flake_get_output_attrs(ctx, settings, state, lockedFlake);
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assert_ctx_ok();
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ASSERT_NE(nullptr, value);
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auto helloAttr = nix_get_attr_byname(ctx, value, state, "hello");
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assert_ctx_ok();
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ASSERT_NE(nullptr, helloAttr);
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std::string helloStr;
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nix_get_string(ctx, helloAttr, OBSERVE_STRING(helloStr));
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assert_ctx_ok();
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ASSERT_EQ("BOB", helloStr);
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nix_value_decref(ctx, value);
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nix_locked_flake_free(lockedFlake);
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// Step 3: Lock was not written, so Step 1 would fail again
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nix_flake_lock_flags_set_mode_check(ctx, lockFlags);
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lockedFlake = nix_flake_lock(ctx, fetchSettings, settings, state, lockFlags, flakeReference);
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assert_ctx_err();
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ASSERT_EQ(nullptr, lockedFlake);
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// Step 4: Update and write, succeeds
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nix_flake_lock_flags_set_mode_write_as_needed(ctx, lockFlags);
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assert_ctx_ok();
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lockedFlake = nix_flake_lock(ctx, fetchSettings, settings, state, lockFlags, flakeReference);
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assert_ctx_ok();
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ASSERT_NE(nullptr, lockedFlake);
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// Get the output attrs
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value = nix_locked_flake_get_output_attrs(ctx, settings, state, lockedFlake);
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assert_ctx_ok();
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ASSERT_NE(nullptr, value);
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helloAttr = nix_get_attr_byname(ctx, value, state, "hello");
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assert_ctx_ok();
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ASSERT_NE(nullptr, helloAttr);
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helloStr.clear();
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nix_get_string(ctx, helloAttr, OBSERVE_STRING(helloStr));
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assert_ctx_ok();
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ASSERT_EQ("BOB", helloStr);
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nix_value_decref(ctx, value);
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nix_locked_flake_free(lockedFlake);
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// Step 5: Lock was written, so Step 1 would succeed
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nix_flake_lock_flags_set_mode_check(ctx, lockFlags);
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assert_ctx_ok();
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lockedFlake = nix_flake_lock(ctx, fetchSettings, settings, state, lockFlags, flakeReference);
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assert_ctx_ok();
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ASSERT_NE(nullptr, lockedFlake);
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// Get the output attrs
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value = nix_locked_flake_get_output_attrs(ctx, settings, state, lockedFlake);
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assert_ctx_ok();
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ASSERT_NE(nullptr, value);
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helloAttr = nix_get_attr_byname(ctx, value, state, "hello");
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assert_ctx_ok();
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ASSERT_NE(nullptr, helloAttr);
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helloStr.clear();
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nix_get_string(ctx, helloAttr, OBSERVE_STRING(helloStr));
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assert_ctx_ok();
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ASSERT_EQ("BOB", helloStr);
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nix_value_decref(ctx, value);
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nix_locked_flake_free(lockedFlake);
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// Step 6: Lock with override, do not write
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nix_flake_lock_flags_set_mode_write_as_needed(ctx, lockFlags);
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assert_ctx_ok();
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nix_flake_reference * overrideFlakeReference = nullptr;
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nix_flake_reference_and_fragment_from_string(
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ctx, fetchSettings, settings, parseFlags, "./c", 3, &overrideFlakeReference, OBSERVE_STRING(fragment));
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assert_ctx_ok();
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ASSERT_NE(nullptr, overrideFlakeReference);
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nix_flake_lock_flags_add_input_override(ctx, lockFlags, "b", overrideFlakeReference);
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assert_ctx_ok();
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lockedFlake = nix_flake_lock(ctx, fetchSettings, settings, state, lockFlags, flakeReference);
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assert_ctx_ok();
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ASSERT_NE(nullptr, lockedFlake);
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// Get the output attrs
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value = nix_locked_flake_get_output_attrs(ctx, settings, state, lockedFlake);
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assert_ctx_ok();
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ASSERT_NE(nullptr, value);
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helloAttr = nix_get_attr_byname(ctx, value, state, "hello");
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assert_ctx_ok();
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ASSERT_NE(nullptr, helloAttr);
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helloStr.clear();
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nix_get_string(ctx, helloAttr, OBSERVE_STRING(helloStr));
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assert_ctx_ok();
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ASSERT_EQ("Claire", helloStr);
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nix_locked_flake_free(lockedFlake);
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nix_flake_reference_parse_flags_free(parseFlags);
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nix_flake_lock_flags_free(lockFlags);
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nix_flake_reference_free(flakeReference);
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nix_state_free(state);
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nix_flake_settings_free(settings);
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}
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TEST_F(nix_api_store_test, nix_api_flake_lock_flags_add_input_override_empty_path)
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{
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auto tmpDir = nix::createTempDir();
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nix::AutoDelete delTmpDir(tmpDir, true);
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nix::writeFile(tmpDir / "flake.nix", R"(
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{
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outputs = { ... }: { };
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}
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)");
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nix_libstore_init(ctx);
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assert_ctx_ok();
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auto fetchSettings = nix_fetchers_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, fetchSettings);
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auto settings = nix_flake_settings_new(ctx);
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assert_ctx_ok();
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ASSERT_NE(nullptr, settings);
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auto lockFlags = nix_flake_lock_flags_new(ctx, settings);
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assert_ctx_ok();
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ASSERT_NE(nullptr, lockFlags);
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auto parseFlags = nix_flake_reference_parse_flags_new(ctx, settings);
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assert_ctx_ok();
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ASSERT_NE(nullptr, parseFlags);
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auto r0 = nix_flake_reference_parse_flags_set_base_directory(
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ctx, parseFlags, tmpDir.string().c_str(), tmpDir.string().size());
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assert_ctx_ok();
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ASSERT_EQ(NIX_OK, r0);
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nix_flake_reference * flakeReference = nullptr;
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std::string fragment;
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nix_flake_reference_and_fragment_from_string(
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ctx, fetchSettings, settings, parseFlags, ".", 1, &flakeReference, OBSERVE_STRING(fragment));
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assert_ctx_ok();
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ASSERT_NE(nullptr, flakeReference);
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// Test that empty input path is rejected (issue #14816)
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auto r = nix_flake_lock_flags_add_input_override(ctx, lockFlags, "", flakeReference);
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ASSERT_EQ(NIX_ERR_NIX_ERROR, r);
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assert_ctx_err();
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// Verify error message contains expected text
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const char * errMsg = nix_err_msg(nullptr, ctx, nullptr);
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ASSERT_NE(nullptr, errMsg);
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ASSERT_NE(std::string(errMsg).find("input override path cannot be zero-length"), std::string::npos);
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nix_flake_reference_free(flakeReference);
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nix_flake_reference_parse_flags_free(parseFlags);
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nix_flake_lock_flags_free(lockFlags);
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nix_flake_settings_free(settings);
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}
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} // namespace nixC
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