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nix/src/libutil-tests/nix_api_util_internal.cc
John Ericson 8089102164 Separate internal from non-internal unit tests of the C API
This helps us make sure that the external C API is sufficient for the
tasks that we think it is sufficient for.
2025-09-03 22:50:42 +02:00

85 lines
2.2 KiB
C++

#include "nix/util/config-global.hh"
#include "nix/util/args.hh"
#include "nix_api_util.h"
#include "nix_api_util_internal.h"
#include "nix/util/tests/nix_api_util.hh"
#include "nix/util/tests/string_callback.hh"
#include <gtest/gtest.h>
#include <memory>
#include "util-tests-config.hh"
namespace nixC {
TEST_F(nix_api_util_context, nix_context_error)
{
std::string err_msg_ref;
try {
throw nix::Error("testing error");
} catch (nix::Error & e) {
err_msg_ref = e.what();
nix_context_error(ctx);
}
ASSERT_EQ(nix_err_code(ctx), NIX_ERR_NIX_ERROR);
ASSERT_EQ(ctx->name, "nix::Error");
ASSERT_EQ(*ctx->last_err, err_msg_ref);
ASSERT_EQ(ctx->info->msg.str(), "testing error");
try {
throw std::runtime_error("testing exception");
} catch (std::exception & e) {
err_msg_ref = e.what();
nix_context_error(ctx);
}
ASSERT_EQ(nix_err_code(ctx), NIX_ERR_UNKNOWN);
ASSERT_EQ(*ctx->last_err, err_msg_ref);
nix_clear_err(ctx);
ASSERT_EQ(nix_err_code(ctx), NIX_OK);
}
TEST_F(nix_api_util_context, nix_set_err_msg)
{
ASSERT_EQ(nix_err_code(ctx), NIX_OK);
nix_set_err_msg(ctx, NIX_ERR_UNKNOWN, "unknown test error");
ASSERT_EQ(nix_err_code(ctx), NIX_ERR_UNKNOWN);
ASSERT_EQ(*ctx->last_err, "unknown test error");
}
TEST_F(nix_api_util_context, nix_err_info_msg)
{
std::string err_info;
// no error
EXPECT_THROW(nix_err_info_msg(NULL, ctx, OBSERVE_STRING(err_info)), nix::Error);
try {
throw nix::Error("testing error");
} catch (...) {
nix_context_error(ctx);
}
auto new_ctx = createOwnedNixContext();
nix_err_info_msg(new_ctx.get(), ctx, OBSERVE_STRING(err_info));
ASSERT_STREQ("testing error", err_info.c_str());
}
TEST_F(nix_api_util_context, nix_err_name)
{
std::string err_name;
// no error
EXPECT_THROW(nix_err_name(NULL, ctx, OBSERVE_STRING(err_name)), nix::Error);
try {
throw nix::Error("testing error");
} catch (...) {
nix_context_error(ctx);
}
auto new_ctx = createOwnedNixContext();
nix_err_name(new_ctx.get(), ctx, OBSERVE_STRING(err_name));
ASSERT_EQ(std::string(err_name), "nix::Error");
}
} // namespace nixC