1 files changed, 64 insertions, 0 deletions
diff --git a/tests/node_compat/common.ts b/tests/node_compat/common.ts
new file mode 100644
index 000000000..e079c6aaf
--- /dev/null
+++ b/tests/node_compat/common.ts
@@ -0,0 +1,64 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+import { partition } from "@test_util/std/collections/partition.ts";
+import { join } from "@test_util/std/path/mod.ts";
+import * as JSONC from "@test_util/std/jsonc/mod.ts";
+/**
+ * The test suite matches the folders inside the `test` folder inside the
+ * node repo
+ *
+ * Each test suite contains a list of files (which can be paths
+ * or a regex to match) that will be pulled from the node repo
+ */
+type TestSuites = Record<string, string[]>;
+
+interface Config {
+  nodeVersion: string;
+  /** Ignored files won't regenerated by the update script */
+  ignore: TestSuites;
+  /**
+   * The files that will be run by the test suite
+   *
+   * The files to be generated with the update script must be listed here as well,
+   * but they won't be regenerated if they are listed in the `ignore` configuration
+   */
+  tests: TestSuites;
+  windowsIgnore: TestSuites;
+  darwinIgnore: TestSuites;
+}
+
+export const config: Config = JSONC.parse(
+  await Deno.readTextFile(new URL("./config.jsonc", import.meta.url)),
+) as unknown as Config;
+
+export const ignoreList = Object.entries(config.ignore).reduce(
+  (total: RegExp[], [suite, paths]) => {
+    paths.forEach((path) => total.push(new RegExp(join(suite, path))));
+    return total;
+  },
+  [/package\.json/],
+);
+
+export function getPathsFromTestSuites(suites: TestSuites): string[] {
+  const testPaths: string[] = [];
+  for (const [dir, paths] of Object.entries(suites)) {
+    if (
+      ["parallel", "internet", "pummel", "sequential", "pseudo-tty"].includes(
+        dir,
+      )
+    ) {
+      for (const path of paths) {
+        testPaths.push(join(dir, path));
+      }
+    }
+  }
+  return testPaths;
+}
+
+const PARALLEL_PATTERN = /^parallel[\/\\]/;
+
+export function partitionParallelTestPaths(
+  testPaths: string[],
+): { parallel: string[]; sequential: string[] } {
+  const partitions = partition(testPaths, (p) => !!p.match(PARALLEL_PATTERN));
+  return { parallel: partitions[0], sequential: partitions[1] };
+}