Test for multiple identical env var keys added, package description changed

Author: tsmx

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@tsmx/secure-config",
   "version": "2.3.1",
-  "description": "Easy and secure configuration management. JSON based encrypted secrets, optional HMAC validation.",
+  "description": "Easy and secure configuration management. JSON based - AES encrypted secrets - HMAC validation - env var export",
   "main": "secure-config.js",
   "engines": {
     "node": ">=12.0.0",

test/secure-config-envvars.test.js

@@ -81,4 +81,22 @@ describe('secure-config environment variables setting test suite', () => {
         expect(process.env['DB_PASSWORD_2']).toEqual('SecretPassword-Prod');
     });
 
+    it('tests a programmatic env var setting with multiple same keys, first should take effect', () => {
+        expect(process.env['DB_USER']).toBeUndefined();
+        expect(process.env['DB_USER_2']).toBeUndefined();
+        const envVarExports = [
+            { key: 'database.user', envVar: 'DB_USER' },
+            { key: 'database.user', envVar: 'DB_USER_2' }
+        ];
+        process.env['CONFIG_ENCRYPTION_KEY'] = key;
+        process.env['NODE_ENV'] = 'production';
+        const conf = require('../secure-config')({ envVarExports });
+        expect(conf.database.host).toEqual('db.prod.com');
+        expect(conf.database.user).toEqual('SecretUser-Prod');
+        expect(conf.database.password).toEqual('SecretPassword-Prod');
+        expect(process.env['DB_USER']).toBeDefined();
+        expect(process.env['DB_USER']).toEqual('SecretUser-Prod');
+        expect(process.env['DB_USER_2']).toBeUndefined();
+    });
+
 });