// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2025 ReifyDB
//! Test-only helpers shared across the workspace: golden-file harness, the `testscript` runner used by the integration
//! suites, temp-directory and free-port allocators, and small assertion utilities. Production code does not depend
//! on this crate; only `[dev-dependencies]` and the dedicated `testsuite/` repository do.
//!
//! Test scripts here run RQL through the embedded engine; their inputs and outputs are checked against goldenfiles
//! that live in `testsuite/`. Regenerating those goldenfiles is a deliberate manual operation, never an automatic
//! one in this crate.