Fix addAuxDataType()

Author: soatok

src/Registry.php

@@ -44,7 +44,7 @@ public function addAuxDataType(ExtensionInterface $extension, ?string $alias = n
                 throw new ExtensionException('Extension already registered');
             }
         }
-        $this->auxDataTypes[$type] = $alias;
+        $this->auxDataTypes[$type] = $extension;
         if (!is_null($alias)) {
             $this->aliases[$alias] = $type;
         }

tests/RegistryTest.php

@@ -5,13 +5,57 @@
 use FediE2EE\PKD\Extensions\AuxDataTypes\AgeV1;
 use FediE2EE\PKD\Extensions\AuxDataTypes\SshV2;
 use FediE2EE\PKD\Extensions\ExtensionException;
+use FediE2EE\PKD\Extensions\ExtensionInterface;
 use FediE2EE\PKD\Extensions\Registry;
 use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 
 #[CoversClass(Registry::class)]
 class RegistryTest extends TestCase
 {
+    /**
+     * @throws ExtensionException
+     */
+    public function testGet(): void
+    {
+        $registry = new Registry();
+        $got = $registry->get('age', [AgeV1::AUX_DATA_TYPE]);
+        $this->assertInstanceOf(AgeV1::class, $got);
+
+        $got = $registry->get('ssh', [SshV2::AUX_DATA_TYPE]);
+        $this->assertInstanceOf(SshV2::class, $got);
+
+        $this->expectException(ExtensionException::class);
+        $registry->get('ssh', [AgeV1::AUX_DATA_TYPE]);
+    }
+
+    public function testAddExtension(): void
+    {
+        $registry = new Registry();
+        $custom = new class implements ExtensionInterface {
+            public function getAuxDataType(): string
+            {
+                return 'foo-v1';
+            }
+
+            public function getRejectionReason(): string
+            {
+                return '';
+            }
+
+            public function isValid(string $auxData): bool
+            {
+                return true;
+            }
+        };
+        $registry->addAuxDataType($custom, 'foo');
+        $got = $registry->get('foo', ['foo-v1']);
+        $this->assertSame('foo-v1', $got->getAuxDataType());
+    }
+
+    /**
+     * @throws ExtensionException
+     */
     public function testAliasBehavior(): void
     {
         $registry = new Registry();