Payment methode now selectable

tests/Unit/EventPaymentModuleRegistryTest.php

@@ -50,6 +50,49 @@ class EventPaymentModuleRegistryTest extends TestCase
         $this->assertTrue($module->isConfigurationComplete(['iban' => 'DE123', 'account_owner' => 'Kasse']));
     }
 
+    public function test_existing_modules_have_no_participant_options(): void
+    {
+        $this->assertSame([], (new AccountTransferPaymentModule())->getParticipantOptions());
+        $this->assertSame([], (new UndefinedPaymentModule())->getParticipantOptions());
+    }
+
+    public function test_participant_option_helpers(): void
+    {
+        // Anonymes Modul mit einer Pflicht-Teilnehmereingabe.
+        $module = new class extends \App\EventPaymentModules\AbstractEventPaymentModule {
+            public static function slug(): string
+            {
+                return 'TEST';
+            }
+
+            public function defaultName(): string
+            {
+                return 'Test';
+            }
+
+            public function getOptions(): array
+            {
+                return [];
+            }
+
+            public function getParticipantOptions(): array
+            {
+                return [['name' => 'iban', 'label' => 'IBAN', 'type' => 'string', 'required' => true]];
+            }
+
+            protected function invoiceClosingStatement(\App\EventPaymentModules\DTO\CreateInvoiceRequest $request): string
+            {
+                return '';
+            }
+        };
+
+        // sanitize verwirft unbekannte Keys, complete verlangt Pflichtfeld non-empty.
+        $this->assertSame(['iban' => 'DE1'], $module->sanitizeParticipantOptions(['iban' => 'DE1', 'evil' => 'x']));
+        $this->assertFalse($module->participantOptionsComplete([]));
+        $this->assertFalse($module->participantOptionsComplete(['iban' => '']));
+        $this->assertTrue($module->participantOptionsComplete(['iban' => 'DE1']));
+    }
+
     public function test_only_account_transfer_provides_giro_code(): void
     {
         $this->assertInstanceOf(ProvidesGiroCode::class, new AccountTransferPaymentModule());