create hre locally in test

Author: zoeyTM

pnpm-lock.yaml

@@ -29,8 +29,5 @@
     "mocha": "^10.0.0",
     "prettier": "3.2.5",
     "typescript": "~5.5.0"
-  },
-  "dependencies": {
-    "tsx": "^4.11.0"
   }
 }

v-next/example-project/package.json

@@ -1,5 +1,6 @@
 import assert from "node:assert/strict";
-import { describe, it, afterEach } from "node:test";
+import path from "node:path";
+import { describe, it } from "node:test";
 
 import { HardhatError } from "@ignored/hardhat-vnext-errors";
 import {
@@ -11,16 +12,16 @@ describe("Hardhat Mocha plugin", () => {
   describe("Success", () => {
     useFixtureProject("test-project");
 
-    afterEach(async () => {
-      const { _resetGlobalHardhatRuntimeEnvironment } = await import(
-        "@ignored/hardhat-vnext"
+    it("should work", async () => {
+      const { createHardhatRuntimeEnvironment } = await import(
+        "@ignored/hardhat-vnext/hre"
       );
 
-      _resetGlobalHardhatRuntimeEnvironment();
-    });
+      const hardhatConfig = await import(
+        path.resolve(process.cwd(), "hardhat.config.ts")
+      );
 
-    it("should work", async () => {
-      const hre = await import("@ignored/hardhat-vnext");
+      const hre = await createHardhatRuntimeEnvironment(hardhatConfig.default);
 
       const result = await hre.tasks.getTask("test").run({});
 
@@ -31,21 +32,20 @@ describe("Hardhat Mocha plugin", () => {
   describe("Failure", () => {
     useFixtureProject("invalid-mocha-config");
 
-    afterEach(async () => {
-      const { _resetGlobalHardhatRuntimeEnvironment } = await import(
-        "@ignored/hardhat-vnext"
+    it("should fail", async () => {
+      const { createHardhatRuntimeEnvironment } = await import(
+        "@ignored/hardhat-vnext/hre"
       );
 
-      _resetGlobalHardhatRuntimeEnvironment();
-    });
-
-    it("should fail", async () => {
       const errors =
         "\t* Config error in config.mocha.delay: Expected boolean, received number";
 
+      const hardhatConfig = await import(
+        path.resolve(process.cwd(), "hardhat.config.ts")
+      );
+
       await assertRejectsWithHardhatError(
-        // @ts-expect-error -- we need to invalidate the import cache to re-import the HRE
-        import("@ignored/hardhat-vnext?config=invalid"),
+        createHardhatRuntimeEnvironment(hardhatConfig.default),
         HardhatError.ERRORS.GENERAL.INVALID_CONFIG,
         { errors },
       );

v-next/hardhat-mocha-test-runner/test/index.ts

@@ -12,7 +12,6 @@ import { createHardhatRuntimeEnvironment } from "./hre.js";
 import {
   getGlobalHardhatRuntimeEnvironment,
   setGlobalHardhatRuntimeEnvironment,
-  resetGlobalHardhatRuntimeEnvironment,
 } from "./internal/global-hre-instance.js";
 import { importUserConfig } from "./internal/helpers/config-loading.js";
 
@@ -39,12 +38,4 @@ export const globalOptions: GlobalOptions = hre.globalOptions;
 export const hooks: HookManager = hre.hooks;
 export const interruptions: UserInterruptionManager = hre.interruptions;
 
-// We need to re-export this function so that plugins can use it.
-export const _resetGlobalHardhatRuntimeEnvironment: typeof resetGlobalHardhatRuntimeEnvironment =
-  function (): void {
-    maybeHre = undefined;
-
-    resetGlobalHardhatRuntimeEnvironment();
-  };
-
 export default hre;