feat: add factory for easier testing

Author: RomainLanz

factories/encryption_manager.ts

@@ -0,0 +1,42 @@
+/*
+ * @boringnode/encryption
+ *
+ * @license MIT
+ * @copyright Boring Node
+ */
+
+import { EncryptionManager } from '../src/encryption_manager.ts'
+import { ChaCha20Poly1305 } from '../src/drivers/chacha20_poly1305.ts'
+import type { ManagerDriverFactory } from '../src/types/main.ts'
+
+type Config<KnownEncryptionDriver extends Record<string, ManagerDriverFactory>> = {
+  default?: keyof KnownEncryptionDriver
+  list: KnownEncryptionDriver
+}
+
+export class EncryptionManagerFactory<
+  KnownEncryptionDriver extends Record<string, ManagerDriverFactory> = {
+    nova: () => ChaCha20Poly1305
+  },
+> {
+  readonly #config: Config<KnownEncryptionDriver>
+
+  constructor(config?: { default?: keyof KnownEncryptionDriver; list: KnownEncryptionDriver }) {
+    this.#config =
+      config ||
+      ({
+        default: 'nova',
+        list: {
+          nova: () =>
+            new ChaCha20Poly1305({
+              id: 'nova',
+              keys: ['averylongradom32charactersstring'],
+            }),
+        },
+      } as unknown as Config<KnownEncryptionDriver>)
+  }
+
+  create() {
+    return new EncryptionManager(this.#config)
+  }
+}

factories/main.ts

@@ -0,0 +1,8 @@
+/*
+ * @boringnode/encryption
+ *
+ * @license MIT
+ * @copyright Boring Node
+ */
+
+export { EncryptionManagerFactory } from './encryption_manager.ts'

package.json

@@ -13,6 +13,7 @@
   "exports": {
     ".": "./build/index.js",
     "./drivers/*": "./build/src/drivers/*.js",
+    "./factories": "./build/factories/main.js",
     "./types": "./build/src/types/main.js"
   },
   "scripts": {

tests/encryption_manager_factory.spec.ts

@@ -0,0 +1,20 @@
+import { test } from '@japa/runner'
+import { EncryptionManagerFactory } from '../factories/encryption_manager.ts'
+import { EncryptionManager } from '../src/encryption_manager.ts'
+import { ChaCha20Poly1305 } from '../src/drivers/chacha20_poly1305.ts'
+
+test.group('Encryption manager factory', () => {
+  test('create instance of EncryptionManager using factory', async ({ assert }) => {
+    const encryption = new EncryptionManagerFactory().create()
+
+    assert.instanceOf(encryption, EncryptionManager)
+
+    const encryptedValue = encryption.use().encrypt('secret')
+    const driverInstance = new ChaCha20Poly1305({
+      id: 'nova',
+      keys: ['averylongradom32charactersstring'],
+    })
+
+    assert.equal(driverInstance.decrypt(encryptedValue), 'secret')
+  })
+})