Add test for encryption service

Author: ulrikandersen

__test__/encrypt/EncryptionService.test.ts

@@ -0,0 +1,54 @@
+import RsaEncryptionService from '../../src/features/encrypt/EncryptionService'
+import { generateKeyPairSync } from 'crypto'
+
+describe('RsaEncryptionService', () => {
+    const { publicKey, privateKey } = generateKeyPairSync('rsa', {
+        modulusLength: 2048,
+        publicKeyEncoding: {
+            type: 'spki',
+            format: 'pem'
+        },
+        privateKeyEncoding: {
+            type: 'pkcs8',
+            format: 'pem'
+        }
+    })
+
+    const encryptionService = new RsaEncryptionService({ publicKey, privateKey })
+
+    it('should encrypt and decrypt data correctly', () => {
+        const data = 'Hello, World!'
+        const encryptedData = encryptionService.encrypt(data)
+        const decryptedData = encryptionService.decrypt(encryptedData)
+
+        expect(decryptedData).toBe(data)
+    })
+
+    it('should throw an error when decrypting with incorrect data', () => {
+        const incorrectData = 'invalidEncryptedData'
+
+        expect(() => {
+            encryptionService.decrypt(incorrectData)
+        }).toThrow()
+    })
+
+    it('should throw an error when encrypting with an invalid public key', () => {
+        const invalidPublicKey = 'invalidPublicKey'
+        const invalidEncryptionService = new RsaEncryptionService({ publicKey: invalidPublicKey, privateKey })
+
+        expect(() => {
+            invalidEncryptionService.encrypt('test')
+        }).toThrow()
+    })
+
+    it('should throw an error when decrypting with an invalid private key', () => {
+        const data = 'Hello, World!'
+        const encryptedData = encryptionService.encrypt(data)
+        const invalidPrivateKey = 'invalidPrivateKey'
+        const invalidEncryptionService = new RsaEncryptionService({ publicKey, privateKey: invalidPrivateKey })
+
+        expect(() => {
+            invalidEncryptionService.decrypt(encryptedData)
+        }).toThrow()
+    })
+})