{
  "slug": "wrangler-createtestharness-worker-handles-expose-getenv-b786c68f3df2",
  "title": "wrangler createTestHarness Worker handles expose getEnv()",
  "tools": [
    "wrangler"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-06-23T15:39:52.000Z",
  "announced_at": "2026-06-23T15:39:52.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When inspecting a Worker environment in a `createTestHarness()` test, call `await server.getWorker<Env>().getEnv()` to read its configured variables, secrets, and bindings.",
    "examples": [
      "const env = await server.getWorker<Env>().getEnv();"
    ],
    "gotchas": [
      "Version: 4.104.0",
      "Env: Type argument for the Worker environment; define it manually or generate it from Wrangler configuration.",
      "getEnv() (required): Takes no arguments; returns the Worker’s full configured environment, including variables, secrets, and bindings.",
      "Prerequisite: Use a Worker project with a Wrangler configuration file, a Node.js test runner, and `wrangler` installed as a development dependency."
    ]
  },
  "why_it_matters": "Inspect a test harness Worker’s environment while testing code that uses its vars, secrets, or bindings.",
  "sources": [
    "https://github.com/cloudflare/workers-sdk/releases/tag/wrangler%404.104.0",
    "https://developers.cloudflare.com/workers/wrangler/api/",
    "https://developers.cloudflare.com/workers/testing/test-harness/configure/",
    "https://developers.cloudflare.com/workers/testing/test-harness/get-started/"
  ],
  "rank": 0.97022,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v1+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "backfill-20261007",
    "verdict_id": "backfill-20261007:backfill-20261007-639625b3e63760db-0:gate",
    "evidence_hash": "3e7559da79c61b5298ec13341427a70e0bdd345bdd22dbad746ce3e2f6064f06"
  },
  "review": {
    "draft_hash": "2c0271cebd7f5c049d21351f973c9d0ce0fe3bcfb558469eddb9cc87f0cde0df",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "backfill-20261007:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.97 >= 0.9; 2 needed) and Jev gave 0.77 (>= 0.6 needed)."
  }
}