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Add test to validate fix for fromTOML assertion not hit

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Add a unit test specifically for the issue #11972 which said that an
assertion in the fromTOML builtin was hit when called from the C API.

fixes #11972
This commit is contained in:
Farid Zakaria 2025-10-17 16:06:37 -04:00
parent 64c55961eb
commit b7118b7c39
1 changed files with 18 additions and 0 deletions
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18
src/libexpr-tests/nix_api_expr.cc
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@ -513,4 +513,22 @@ TEST_F(nix_api_expr_test, nix_expr_attrset_update)
assert_ctx_ok();
}
/**
* @brief Validates the fix for https://github.com/NixOS/nix/issues/11972
*/
TEST_F(nix_api_expr_test, fromTOML_invalid_syntax_should_error_gracefully)
{
const char * expr = "builtins.fromTOML ''0000000000000000000000000000000000000'0''";
int status = nix_expr_eval_from_string(ctx, state, expr, ".", value);
ASSERT_NE(0, status) << "Evaluation should have failed but returned a success code.";
ASSERT_EQ(nix_err_code(ctx), NIX_ERR_NIX_ERROR)
<< "Expected a generic Nix error, but a different error code was set.";
ASSERT_THAT(nix_err_msg(nullptr, ctx, nullptr), ::testing::HasSubstr("invalid key value separator"))
<< "The error message should indicate a TOML parsing issue.";
}
} // namespace nixC