From 6498d2b2724c0552053836960f44b996665ff1ed Mon Sep 17 00:00:00 2001
From: kyoungminkim <kyoungminkim@bejewel.kr>
Date: Fri, 22 Mar 2024 15:06:20 +0900
Subject: [PATCH] test(@nestjs/config) reset env correctly

process.env does not reset correctly.
assgin copy value of origin process.env in beforeAll
and reset process.env with value of envBackup
---
 tests/e2e/cache.spec.ts         | 8 ++++++--
 tests/e2e/load-priority.spec.ts | 8 ++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/tests/e2e/cache.spec.ts b/tests/e2e/cache.spec.ts
index b5e49942..919047b5 100644
--- a/tests/e2e/cache.spec.ts
+++ b/tests/e2e/cache.spec.ts
@@ -7,7 +7,9 @@ describe('Cache', () => {
   let app: INestApplication;
   let envBackup: NodeJS.ProcessEnv;
   beforeAll(() => {
-    envBackup = process.env;
+    envBackup = {
+      ...process.env,
+    };
   });
   describe('without cache', () => {
     beforeAll(async () => {
@@ -56,7 +58,9 @@ describe('Cache', () => {
   });
 
   afterEach(async () => {
-    process.env = envBackup;
+    process.env = {
+      ...envBackup,
+    };
     await app.close();
   });
 });
diff --git a/tests/e2e/load-priority.spec.ts b/tests/e2e/load-priority.spec.ts
index 456aa8ac..1a56a0c4 100644
--- a/tests/e2e/load-priority.spec.ts
+++ b/tests/e2e/load-priority.spec.ts
@@ -8,7 +8,9 @@ describe('Environment variables and .env files', () => {
   let app: INestApplication;
   let envBackup: NodeJS.ProcessEnv;
   beforeAll(() => {
-    envBackup = process.env;
+    envBackup = {
+      ...process.env,
+    };
   });
   describe('without conflicts', () => {
     beforeAll(async () => {
@@ -65,7 +67,9 @@ describe('Environment variables and .env files', () => {
   });
 
   afterEach(async () => {
-    process.env = envBackup;
+    process.env = {
+      ...envBackup,
+    };
     await app.close();
   });
 });