adding test case for clearsnapshot on hardhat reset and formating the code

Author: Saty248

packages/hardhat-network-helpers/src/helpers/reset.ts

@@ -1,13 +1,14 @@
-import { deleteOnReset } from "../loadFixture";
 import type { NumberLike } from "../types";
+import { clearSnapshots } from "../loadFixture";
+
 import { getHardhatProvider, toNumber } from "../utils";
 
 export async function reset(
   url?: string,
   blockNumber?: NumberLike
 ): Promise<void> {
   const provider = await getHardhatProvider();
-    deleteOnReset();
+  clearSnapshots();
   if (url === undefined) {
     await provider.request({
       method: "hardhat_reset",

packages/hardhat-network-helpers/src/loadFixture.ts

@@ -70,6 +70,6 @@ export async function loadFixture<T>(fixture: Fixture<T>): Promise<T> {
 }
 
 // function to clear the snapshots array when hardhat_reset is called..
-export async function deleteOnReset(){
-  snapshots=[];
+export async function clearSnapshots() {
+  snapshots = [];
 }

packages/hardhat-network-helpers/test/helpers/reset.ts

@@ -1,9 +1,7 @@
 import { assert } from "chai";
-
 import * as hh from "../../src";
 import { INFURA_URL } from "../setup";
 import { useEnvironment } from "../test-utils";
-
 describe("resetWithoutFork", function () {
   useEnvironment("simple");
 
@@ -56,3 +54,13 @@ describe("resetWithoutFork", function () {
     assert.equal(olderMainnetBlockNumber, mainnetBlockNumber - 1000);
   });
 });
+
+describe("should clear snapshot upon reset", async function () {
+  useEnvironment("simple");
+  it("checks if the snapshot is cleared upon hardhat_reset", async function () {
+    const snapshotBeforeReset = await hh.takeSnapshot();
+    await hh.reset();
+    const snapshotAfterReset = await hh.takeSnapshot();
+    assert.equal(snapshotBeforeReset.snapshotId, snapshotAfterReset.snapshotId);
+  });
+});