feat: actually working polly env

package.json

@@ -36,6 +36,7 @@
     "src/dark.cjs",
     "src/jest.js",
     "src/jest.config.js",
+    "src/jest.environment.js",
     "src/jest.fn.js",
     "src/jest.mock.js",
     "src/jest.snapshot.js",

src/jest.config.js

@@ -2,6 +2,7 @@ import assert from 'node:assert/strict'
 import { readFile } from 'node:fs/promises'
 import path from 'node:path'
 import { createRequire } from 'node:module'
+import { specialEnvironments } from './jest.environment.js'
 
 const files = process.argv.slice(1)
 const baseDir = files.length === 1 ? path.dirname(path.resolve(files[0])) : undefined
@@ -69,32 +70,10 @@ const normalizeJestConfig = (config) => ({
   },
 })
 
-const specialEnvs = {
-  __proto__: null,
-
-  'setup-polly-jest/jest-environment-node': (require) => {
-    const { Polly } = require('@pollyjs/core')
-    const { JestPollyGlobals } = require('setup-polly-jest/lib/common')
-    const pollyGlobals = new JestPollyGlobals(globalThis)
-    pollyGlobals.isJestPollyEnvironment = true
-
-    beforeEach((t) => {
-      if (!pollyGlobals.isPollyActive) return
-      pollyGlobals.pollyContext.polly = new Polly(t.fullName, pollyGlobals.pollyContext.options)
-    })
-
-    afterEach(async () => {
-      if (!pollyGlobals.pollyContext.polly) return
-      await pollyGlobals.pollyContext.polly.stop()
-      pollyGlobals.pollyContext.polly = null
-    })
-  },
-}
-
 function verifyJestConfig(c) {
   assert(!configUsed, 'Can not apply new config as the current one was already used')
 
-  if (!Object.hasOwn(specialEnvs, c.testEnvironment)) {
+  if (!Object.hasOwn(specialEnvironments, c.testEnvironment)) {
     assert.equal(c.testEnvironment, 'node', 'Only "node" testEnvironment is supported')
   }
 
@@ -147,7 +126,10 @@ export async function installJestEnvironment(jestGlobals) {
 
   const require = createRequire(config.rootDir)
 
-  if (Object.hasOwn(specialEnvs, c.testEnvironment)) specialEnvs[c.testEnvironment](require)
+  if (Object.hasOwn(specialEnvironments, c.testEnvironment)) {
+    specialEnvironments[c.testEnvironment](require, jestGlobals, c.testEnvironmentOptions)
+  }
+
   for (const file of c.setupFiles || []) require(file)
   for (const file of c.setupFilesAfterEnv || []) require(file)
 

src/jest.environment.js

@@ -0,0 +1,93 @@
+// Shoult not import src/ stuff here, as this goes into runner too (to check config)
+
+function getTestNamePath(t, { require }) {
+  // No implementation in Node.js yet, will have to PR
+  if (t.fullName) return t.fullName.split(' > ')
+
+  // We are on Node.js < 22.3.0 where even t.fullName doesn't exist yet, polyfill
+  const namePath = Symbol('namePath')
+  try {
+    if (t[namePath]) return t[namePath]
+
+    // Sigh, ok, whatever
+    const { Test } = require('node:internal/test_runner/test')
+
+    const usePathName = Symbol('usePathName')
+    const restoreName = Symbol('restoreName')
+    Test.prototype.getNamePath = function () {
+      if (this === this.root) return []
+      return [...(this.parent?.getNamePath() || []), this.name]
+    }
+
+    const diagnostic = Test.prototype.diagnostic
+    Test.prototype.diagnostic = function (...args) {
+      if (args[0] === usePathName) {
+        this[restoreName] = this.name
+        this.name = this.getNamePath()
+        return
+      }
+
+      if (args[0] === restoreName) {
+        this.name = this[restoreName]
+        delete this[restoreName]
+        return
+      }
+
+      return diagnostic.apply(this, args)
+    }
+
+    const TestContextProto = Object.getPrototypeOf(t)
+    Object.defineProperty(TestContextProto, namePath, {
+      get() {
+        this.diagnostic(usePathName)
+        const result = this.name
+        this.diagnostic(restoreName)
+        return result
+      },
+    })
+
+    return t[namePath]
+  } catch {}
+
+  return [t.name] // last resort
+}
+
+export const specialEnvironments = {
+  __proto__: null,
+
+  // Reproduces setup-polly-jest/jest-environment-node ad hacks into 'setup-polly-jest'.pollyJest
+  'setup-polly-jest/jest-environment-node': (require, jestGlobals) => {
+    const { Polly } = require('@pollyjs/core')
+    const pollyJest = require('setup-polly-jest')
+    const { JestPollyGlobals, createPollyContextAccessor } = require('setup-polly-jest/lib/common')
+    const pollyGlobals = new JestPollyGlobals(globalThis)
+    pollyGlobals.isJestPollyEnvironment = true
+    pollyJest.setupPolly = (options) => {
+      if (!pollyGlobals.isJestPollyEnvironment) return
+
+      jestGlobals.beforeAll(() => {
+        pollyGlobals.isPollyActive = true
+        pollyGlobals.pollyContext.options = options
+      })
+
+      jestGlobals.afterAll(() => {
+        pollyGlobals.isPollyActive = false
+        pollyGlobals.pollyContext.options = null
+      })
+
+      return createPollyContextAccessor(pollyGlobals)
+    }
+
+    jestGlobals.beforeEach((t) => {
+      if (!pollyGlobals.isPollyActive) return
+      const name = getTestNamePath(t, { require }).join('/')
+      pollyGlobals.pollyContext.polly = new Polly(name, pollyGlobals.pollyContext.options)
+    })
+
+    jestGlobals.afterEach(async () => {
+      if (!pollyGlobals.pollyContext.polly) return
+      await pollyGlobals.pollyContext.polly.stop()
+      pollyGlobals.pollyContext.polly = null
+    })
+  },
+}