chore: move test_ffi and test_nap to tests/ [WIP] (#22394)

Moving some additional NAPI and. FFI tests out of the tree root.

1 files changed, 28 insertions, 0 deletions

diff --git a/tests/napi/common.js b/tests/napi/common.js
new file mode 100644
index 000000000..3a4f253ef
--- /dev/null
+++ b/tests/napi/common.js
@@ -0,0 +1,28 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+export {
+  assert,
+  assertEquals,
+  assertRejects,
+  assertThrows,
+} from "@std/assert/mod.ts";
+export { fromFileUrl } from "@std/path/mod.ts";
+import process from "node:process";
+
+const targetDir = Deno.execPath().replace(/[^\/\\]+$/, "");
+export const [libPrefix, libSuffix] = {
+  darwin: ["lib", "dylib"],
+  linux: ["lib", "so"],
+  windows: ["", "dll"],
+}[Deno.build.os];
+
+export function loadTestLibrary() {
+  const specifier = `${targetDir}/${libPrefix}test_napi.${libSuffix}`;
+
+  // Internal, used in ext/node
+  const module = {};
+  // Pass some flag, it should be ignored, but make sure it doesn't print
+  // warnings.
+  process.dlopen(module, specifier, 0);
+  return module.exports;
+}