Fix tests

Author: alcuadrado

packages/hardhat-verify/src/internal/undici.ts

@@ -28,7 +28,13 @@ export async function sendPostRequest(
   });
 }
 
+let mockDispatcher: Undici.Dispatcher | undefined;
+
 function getDispatcher(): Undici.Dispatcher {
+  if (mockDispatcher !== undefined) {
+    return mockDispatcher;
+  }
+
   const { ProxyAgent, Agent } = require("undici") as typeof Undici;
   if (process.env.http_proxy !== undefined) {
     return new ProxyAgent(process.env.http_proxy);
@@ -37,6 +43,12 @@ function getDispatcher(): Undici.Dispatcher {
   return new Agent();
 }
 
+export function setMockDispatcher(
+  dispatcher: Undici.Dispatcher | undefined
+): void {
+  mockDispatcher = dispatcher;
+}
+
 export function isSuccessStatusCode(statusCode: number): boolean {
   return statusCode >= 200 && statusCode <= 299;
 }

packages/hardhat-verify/test/integration/mocks/etherscan.ts

@@ -1,9 +1,5 @@
-import {
-  Dispatcher,
-  getGlobalDispatcher,
-  MockAgent,
-  setGlobalDispatcher,
-} from "undici";
+import { MockAgent } from "undici";
+import { setMockDispatcher } from "../../../src/internal/undici";
 
 const mockAgent = new MockAgent({
   keepAliveTimeout: 10,
@@ -13,17 +9,15 @@ const mockAgent = new MockAgent({
 const client = mockAgent.get("https://api-hardhat.etherscan.io");
 
 export const mockEnvironment = () => {
-  let globalDispatcher: Dispatcher;
   // enable network connections for everything but etherscan API
   mockAgent.enableNetConnect(/^(?!https:\/\/api-hardhat\.etherscan\.io)/);
 
   before(() => {
-    globalDispatcher = getGlobalDispatcher();
-    setGlobalDispatcher(mockAgent);
+    setMockDispatcher(mockAgent);
   });
 
   after(() => {
-    setGlobalDispatcher(globalDispatcher);
+    setMockDispatcher(undefined);
   });
 };
 

packages/hardhat-verify/test/integration/mocks/sourcify.ts

@@ -1,9 +1,5 @@
-import {
-  Dispatcher,
-  getGlobalDispatcher,
-  MockAgent,
-  setGlobalDispatcher,
-} from "undici";
+import { MockAgent } from "undici";
+import { setMockDispatcher } from "../../../src/internal/undici";
 
 const mockAgent = new MockAgent({
   keepAliveTimeout: 10,
@@ -13,17 +9,15 @@ const mockAgent = new MockAgent({
 const client = mockAgent.get("https://sourcify.dev");
 
 export const mockEnvironmentSourcify = () => {
-  let globalDispatcher: Dispatcher;
   // enable network connections for everything but etherscan API
   mockAgent.enableNetConnect(/^(?!https:\/\/sourcify\.dev)/);
 
   before(() => {
-    globalDispatcher = getGlobalDispatcher();
-    setGlobalDispatcher(mockAgent);
+    setMockDispatcher(mockAgent);
   });
 
   after(() => {
-    setGlobalDispatcher(globalDispatcher);
+    setMockDispatcher(undefined);
   });
 };