René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test runner run() ignores testNamePatterns and testSkipPatterns when isolation is \"none\"","articleBody":"### Version\n\nv22.14.0, v23.8.0\n\n### Platform\n\n```text\nMicrosoft Windows NT 10.0.19045.0 x64\n```\n\n### Subsystem\n\ntest\n\n### What steps will reproduce the bug?\n\n## mytest.test.mjs\n```\nimport { test } from \"node:test\";\n\ntest(\"a1\", (t) => {\n  console.log(t.name);\n});\n\ntest(\"a2\", (t) => {\n  console.log(t.name);\n});\n\ntest(\"b1\", (t) => {\n  console.log(t.name);\n});\n```\n\n## run.mjs\n```js\nimport * as test from \"node:test\";\nimport { spec } from \"node:test/reporters\";\n\ntest\n  .run({\n    globPatterns: [\"mytest.test.mjs\"],\n    testNamePatterns: [\"a\"],\n    testSkipPatterns: [\"a2\"],\n    isolation: \"none\",\n  })\n  .compose(spec)\n  .pipe(process.stdout);\n```\n\n## output\n```\na1\na2\nb1\n✔ a1 (1.1461ms)\n✔ a2 (0.2373ms)\n✔ b1 (0.2315ms)\n```\nthat is incorrect, only a1 should run.\n\n\n\n### How often does it reproduce? Is there a required condition?\n\nalways\n\n### What is the expected behavior? Why is that the expected behavior?\n\nexpected behavior is to run only a1\n```\na1\n✔ a1 (1.1336ms)\n```\n\nbecause\n- a2 should be skipped by testSkipPatterns: [\"a2\"]\n- b1 should be discarded by testNamePatterns: [\"a\"]\n\n\n\n\n\n### What do you see instead?\n\n```\na1\na2\nb1\n✔ a1 (1.1461ms)\n✔ a2 (0.2373ms)\n✔ b1 (0.2315ms)\n```\n\n### Additional information\n\nUsing isolation: \"process\" has the expected behavior\n\nrepor code: https://github.com/galdebert/repro-bug-node-test-runner","author":{"url":"https://github.com/galdebert","@type":"Person","name":"galdebert"},"datePublished":"2025-03-10T12:41:49Z","url":"https://github.com/nodejs/node/issues/57399"}