Return empty value by default for generator return type

src/MockedClass.php

@@ -12,6 +12,7 @@
 use Exan\Moock\Dto\MethodCall;
 use Exan\Moock\Expector\MockExpector;
 use Exan\Moock\Properties\MockPropertyValue;
+use Generator;
 use ReflectionClass;
 use ReflectionMethod;
 use ReflectionNamedType;
@@ -161,6 +162,10 @@ private function getDefault(string $method): mixed
             DateTimeImmutable::class => fn () => new DateTimeImmutable(),
             DateInterval::class => fn () => DateInterval::createFromDateString('1 day'),
             DatePeriod::class => fn () => DatePeriod::createFromISO8601String('R1337/2026-02-24T00:00:00Z/P1Y'),
+
+            Generator::class => function (): Generator {
+                yield from [];
+            }
         ];
 
         if (isset($returns[$plainType])) {

tests/Components/TestDefaultReturns.php

@@ -8,6 +8,7 @@
 use DatePeriod;
 use DateTime;
 use DateTimeImmutable;
+use Generator;
 use stdClass;
 
 class TestDefaultReturns
@@ -126,4 +127,9 @@ public function returnUserServiceInterface(): UserServiceInterface
     {
         return new UserService();
     }
+
+    public function returnGenerator(): Generator
+    {
+        yield 'value';
+    }
 }

tests/Documentation/DefaultReturnValuesTest.php

@@ -35,6 +35,7 @@ public function it_returns_hardcoded_values_for_basic_types(): void
 
         $this->assertEquals([], $mock->returnArray());
         $this->assertEquals([], $mock->returnIterable());
+        $this->assertEmpty(iterator_to_array($mock->returnGenerator()));
 
         // These objects do not have any properties
         $this->assertInstanceOf(stdClass::class, $mock->returnObject());