wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-07-07 18:31:49 +02:00
Code Activity

Merge pull request #10555 from jlesquembre/jl/c-api_check-init

Browse source 
Add isValid to nix::Value
This commit is contained in:
Robert Hensing 2024-05-01 16:33:01 +02:00 • committed by GitHub
commit e17aad23d6
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
6 changed files with 203 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

121
tests/unit/libexpr/nix_api_value.cc
View file

@ -14,11 +14,16 @@
namespace nixC {
TEST_F(nix_api_expr_test, nix_value_set_get_int)
TEST_F(nix_api_expr_test, nix_value_get_int_invalid)
{
ASSERT_EQ(0, nix_get_int(ctx, nullptr));
ASSERT_DEATH(nix_get_int(ctx, value), "");
assert_ctx_err();
ASSERT_EQ(0, nix_get_int(ctx, value));
assert_ctx_err();
}
TEST_F(nix_api_expr_test, nix_value_set_get_int)
{
int myInt = 1;
nix_init_int(ctx, value, myInt);
@ -27,24 +32,34 @@ TEST_F(nix_api_expr_test, nix_value_set_get_int)
ASSERT_EQ(NIX_TYPE_INT, nix_get_type(ctx, value));
}
TEST_F(nix_api_expr_test, nix_value_set_get_float_invalid)
{
ASSERT_DOUBLE_EQ(0.0, nix_get_float(ctx, nullptr));
assert_ctx_err();
ASSERT_DOUBLE_EQ(0.0, nix_get_float(ctx, value));
assert_ctx_err();
}
TEST_F(nix_api_expr_test, nix_value_set_get_float)
{
ASSERT_FLOAT_EQ(0.0, nix_get_float(ctx, nullptr));
ASSERT_DEATH(nix_get_float(ctx, value), "");
float myDouble = 1.0;
double myDouble = 1.0;
nix_init_float(ctx, value, myDouble);
ASSERT_FLOAT_EQ(myDouble, nix_get_float(ctx, value));
ASSERT_DOUBLE_EQ(myDouble, nix_get_float(ctx, value));
ASSERT_STREQ("a float", nix_get_typename(ctx, value));
ASSERT_EQ(NIX_TYPE_FLOAT, nix_get_type(ctx, value));
}
TEST_F(nix_api_expr_test, nix_value_set_get_bool)
TEST_F(nix_api_expr_test, nix_value_set_get_bool_invalid)
{
ASSERT_EQ(false, nix_get_bool(ctx, nullptr));
ASSERT_DEATH(nix_get_bool(ctx, value), "");
assert_ctx_err();
ASSERT_EQ(false, nix_get_bool(ctx, value));
assert_ctx_err();
}
TEST_F(nix_api_expr_test, nix_value_set_get_bool)
{
bool myBool = true;
nix_init_bool(ctx, value, myBool);
@ -53,12 +68,18 @@ TEST_F(nix_api_expr_test, nix_value_set_get_bool)
ASSERT_EQ(NIX_TYPE_BOOL, nix_get_type(ctx, value));
}
TEST_F(nix_api_expr_test, nix_value_set_get_string)
TEST_F(nix_api_expr_test, nix_value_set_get_string_invalid)
{
std::string string_value;
ASSERT_EQ(NIX_ERR_UNKNOWN, nix_get_string(ctx, nullptr, OBSERVE_STRING(string_value)));
ASSERT_DEATH(nix_get_string(ctx, value, OBSERVE_STRING(string_value)), "");
assert_ctx_err();
ASSERT_EQ(NIX_ERR_UNKNOWN, nix_get_string(ctx, value, OBSERVE_STRING(string_value)));
assert_ctx_err();
}
TEST_F(nix_api_expr_test, nix_value_set_get_string)
{
std::string string_value;
const char * myString = "some string";
nix_init_string(ctx, value, myString);
@ -68,21 +89,29 @@ TEST_F(nix_api_expr_test, nix_value_set_get_string)
ASSERT_EQ(NIX_TYPE_STRING, nix_get_type(ctx, value));
}
TEST_F(nix_api_expr_test, nix_value_set_get_null_invalid)
{
ASSERT_EQ(NULL, nix_get_typename(ctx, value));
assert_ctx_err();
}
TEST_F(nix_api_expr_test, nix_value_set_get_null)
{
ASSERT_DEATH(nix_get_typename(ctx, value), "");
nix_init_null(ctx, value);
ASSERT_STREQ("null", nix_get_typename(ctx, value));
ASSERT_EQ(NIX_TYPE_NULL, nix_get_type(ctx, value));
}
TEST_F(nix_api_expr_test, nix_value_set_get_path)
TEST_F(nix_api_expr_test, nix_value_set_get_path_invalid)
{
ASSERT_EQ(nullptr, nix_get_path_string(ctx, nullptr));
ASSERT_DEATH(nix_get_path_string(ctx, value), "");
assert_ctx_err();
ASSERT_EQ(nullptr, nix_get_path_string(ctx, value));
assert_ctx_err();
}
TEST_F(nix_api_expr_test, nix_value_set_get_path)
{
const char * p = "/nix/store/40s0qmrfb45vlh6610rk29ym318dswdr-myname";
nix_init_path_string(ctx, state, value, p);
@ -91,25 +120,39 @@ TEST_F(nix_api_expr_test, nix_value_set_get_path)
ASSERT_EQ(NIX_TYPE_PATH, nix_get_type(ctx, value));
}
TEST_F(nix_api_expr_test, nix_build_and_init_list)
TEST_F(nix_api_expr_test, nix_build_and_init_list_invalid)
{
ASSERT_EQ(nullptr, nix_get_list_byidx(ctx, nullptr, state, 0));
assert_ctx_err();
ASSERT_EQ(0, nix_get_list_size(ctx, nullptr));
assert_ctx_err();
ASSERT_DEATH(nix_get_list_byidx(ctx, value, state, 0), "");
ASSERT_DEATH(nix_get_list_size(ctx, value), "");
ASSERT_EQ(nullptr, nix_get_list_byidx(ctx, value, state, 0));
assert_ctx_err();
ASSERT_EQ(0, nix_get_list_size(ctx, value));
assert_ctx_err();
}
TEST_F(nix_api_expr_test, nix_build_and_init_list)
{
int size = 10;
ListBuilder * builder = nix_make_list_builder(ctx, state, size);
Value * intValue = nix_alloc_value(ctx, state);
Value * intValue2 = nix_alloc_value(ctx, state);
// `init` and `insert` can be called in any order
nix_init_int(ctx, intValue, 42);
nix_list_builder_insert(ctx, builder, 0, intValue);
nix_list_builder_insert(ctx, builder, 1, intValue2);
nix_init_int(ctx, intValue2, 43);
nix_make_list(ctx, builder, value);
nix_list_builder_free(builder);
ASSERT_EQ(42, nix_get_int(ctx, nix_get_list_byidx(ctx, value, state, 0)));
ASSERT_EQ(nullptr, nix_get_list_byidx(ctx, value, state, 1));
ASSERT_EQ(43, nix_get_int(ctx, nix_get_list_byidx(ctx, value, state, 1)));
ASSERT_EQ(nullptr, nix_get_list_byidx(ctx, value, state, 2));
ASSERT_EQ(10, nix_get_list_size(ctx, value));
ASSERT_STREQ("a list", nix_get_typename(ctx, value));
@ -119,20 +162,33 @@ TEST_F(nix_api_expr_test, nix_build_and_init_list)
nix_gc_decref(ctx, intValue);
}
TEST_F(nix_api_expr_test, nix_build_and_init_attr)
TEST_F(nix_api_expr_test, nix_build_and_init_attr_invalid)
{
ASSERT_EQ(nullptr, nix_get_attr_byname(ctx, nullptr, state, 0));
assert_ctx_err();
ASSERT_EQ(nullptr, nix_get_attr_byidx(ctx, nullptr, state, 0, nullptr));
assert_ctx_err();
ASSERT_EQ(nullptr, nix_get_attr_name_byidx(ctx, nullptr, state, 0));
assert_ctx_err();
ASSERT_EQ(0, nix_get_attrs_size(ctx, nullptr));
assert_ctx_err();
ASSERT_EQ(false, nix_has_attr_byname(ctx, nullptr, state, "no-value"));
assert_ctx_err();
ASSERT_DEATH(nix_get_attr_byname(ctx, value, state, 0), "");
ASSERT_DEATH(nix_get_attr_byidx(ctx, value, state, 0, nullptr), "");
ASSERT_DEATH(nix_get_attr_name_byidx(ctx, value, state, 0), "");
ASSERT_DEATH(nix_get_attrs_size(ctx, value), "");
ASSERT_DEATH(nix_has_attr_byname(ctx, value, state, "no-value"), "");
ASSERT_EQ(nullptr, nix_get_attr_byname(ctx, value, state, 0));
assert_ctx_err();
ASSERT_EQ(nullptr, nix_get_attr_byidx(ctx, value, state, 0, nullptr));
assert_ctx_err();
ASSERT_EQ(nullptr, nix_get_attr_name_byidx(ctx, value, state, 0));
assert_ctx_err();
ASSERT_EQ(0, nix_get_attrs_size(ctx, value));
assert_ctx_err();
ASSERT_EQ(false, nix_has_attr_byname(ctx, value, state, "no-value"));
assert_ctx_err();
}
TEST_F(nix_api_expr_test, nix_build_and_init_attr)
{
int size = 10;
const char ** out_name = (const char **) malloc(sizeof(char *));
@ -311,4 +367,17 @@ TEST_F(nix_api_expr_test, nix_value_init_apply_lazy_arg)
nix_gc_decref(ctx, e);
}
TEST_F(nix_api_expr_test, nix_copy_value)
{
Value * source = nix_alloc_value(ctx, state);
nix_init_int(ctx, source, 42);
nix_copy_value(ctx, value, source);
ASSERT_EQ(42, nix_get_int(ctx, value));
// Clean up
nix_gc_decref(ctx, source);
}
}

25
tests/unit/libexpr/value/value.cc Normal file
View file

@ -0,0 +1,25 @@
#include "value.hh"
#include "tests/libstore.hh"
namespace nix {
class ValueTest : public LibStoreTest
{};
TEST_F(ValueTest, unsetValue)
{
Value unsetValue;
ASSERT_EQ(false, unsetValue.isValid());
ASSERT_EQ(nThunk, unsetValue.type(true));
ASSERT_DEATH(unsetValue.type(), "");
}
TEST_F(ValueTest, vInt)
{
Value vInt;
vInt.mkInt(42);
ASSERT_EQ(true, vInt.isValid());
}
} // namespace nix

13
tests/unit/libutil-support/tests/nix_api_util.hh
View file

@ -24,7 +24,9 @@ protected:
nix_c_context * ctx;
inline void assert_ctx_ok() {
inline void assert_ctx_ok()
{
if (nix_err_code(ctx) == NIX_OK) {
return;
}
@ -33,5 +35,14 @@ protected:
std::string msg(p, n);
FAIL() << "nix_err_code(ctx) != NIX_OK, message: " << msg;
}
inline void assert_ctx_err()
{
if (nix_err_code(ctx) != NIX_OK) {
return;
}
FAIL() << "Got NIX_OK, but expected an error!";
}
};
}