Fix sealbox binding use correct config key (#26)

In the provider an incorrect config key was used for the recipientPubKey of the sealbox. Fixed it and added test.

src/CryptoServiceProvider.php

@@ -25,7 +25,7 @@ public function register(): void
         $this->app->singleton(SealboxCryptoInterface::class, function () {
             return Factory::createSealboxCryptoService(
                 privKey: config('crypto.sealbox.private_key'),
-                recipientPubKey: config('crypto.sealbox.recipient_pub_key'),
+                recipientPubKey: config('crypto.sealbox.recipient_public_key'),
             );
         });
 

tests/ProviderTest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace MinVWS\Crypto\Laravel\Tests;
+
+use MinVWS\Crypto\Laravel\SealboxCryptoInterface;
+use MinVWS\Crypto\Laravel\Service\Sealbox\SealboxService;
+
+class ProviderTest extends TestCase
+{
+    public function testSealboxIsRegisteredCorrectly(): void
+    {
+        $this->assertInstanceOf(
+            SealboxService::class,
+            $this->app->make(SealboxCryptoInterface::class)
+        );
+    }
+
+    public function testDefaultSealboxCanEncryptAndDecrypt(): void
+    {
+        $sealbox = $this->app->make(SealboxCryptoInterface::class);
+
+        $encrypted = $sealbox->encrypt('foobar');
+        $this->assertEquals('foobar', $sealbox->decrypt($encrypted));
+    }
+}

tests/TestCase.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace MinVWS\Crypto\Laravel\Tests;
+
+use MinVWS\Crypto\Laravel\CryptoServiceProvider;
+use Orchestra\Testbench\TestCase as OrchestraTestCase;
+
+abstract class TestCase extends OrchestraTestCase
+{
+    public function setUp(): void
+    {
+        parent::setUp();
+        // additional setup
+    }
+
+    protected function getPackageProviders($app): array
+    {
+        return [
+            CryptoServiceProvider::class,
+        ];
+    }
+
+    protected function getEnvironmentSetUp($app): void
+    {
+        // Set sealbox keys
+        [$publicKey, $secretKey] = $this->generateSodiumKeys();
+        config()->set('crypto.sealbox.recipient_public_key', $publicKey);
+        config()->set('crypto.sealbox.private_key', $secretKey);
+    }
+
+    protected function generateSodiumKeys(): array
+    {
+        $keypair = sodium_crypto_box_keypair();
+
+        return [
+            base64_encode(sodium_crypto_box_publickey($keypair)),
+            base64_encode(sodium_crypto_box_secretkey($keypair)),
+        ];
+    }
+}