Fix isset magic function for Getter method and add test for setter trait

src/Client/Traits/Setter.php

@@ -141,7 +141,7 @@ private function getQualifiedSetterMethodName($name): string
     public function __isset($name)
     {
         if ($this->hasGetter($name)) {
-            return $this->${$this->getQualifiedGetterMethodName($name)} === null;
+            return !empty($this->{$this->getQualifiedGetterMethodName($name)}());
         }
         if (isset($this->attributes[$this->getQualifiedAttributeName($name)])) {
             return true;

tests/Unit/Traits/SetterTraitTest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Soheilrt\AdobeConnectClient\Tests\Unit\Traits;
+
+use PHPUnit\Framework\TestCase;
+
+class SetterTraitTest extends TestCase
+{
+    private $setter;
+
+    public function test_has_property()
+    {
+        $this->assertTrue(isset($this->setter->privateProperty));
+        $this->assertEquals('private property', $this->setter->privateProperty);
+
+        $this->assertFalse(isset($this->setter->NotAvailableProperty));
+        $this->assertNull($this->setter->NotAvailableProp);
+    }
+
+    public function test_has_attribute()
+    {
+        $this->assertTrue(isset($this->setter->property_attribute));
+        $this->assertEquals('attribute value', $this->setter->property_attribute);
+
+        $this->assertFalse(isset($this->setter->not_exists_attribute));
+        $this->assertNull($this->setter->Not_exists_attribute);
+    }
+
+    public function test_getter()
+    {
+        $this->assertTrue(isset($this->setter->propertyGetter));
+        $this->assertEquals('getter value', $this->setter->PropertyGetter);
+
+        $this->assertFalse(isset($this->setter->propertyNotExistsGetter));
+        $this->assertNull($this->setter->propertyNotExistsGetter);
+    }
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->setter = new SetterTraitTestClass();
+    }
+}
+

tests/Unit/Traits/SetterTraitTestClass.php

@@ -0,0 +1,25 @@
+<?php
+
+
+namespace Soheilrt\AdobeConnectClient\Tests\Unit\Traits;
+
+
+use Soheilrt\AdobeConnectClient\Client\Traits\Setter;
+
+class SetterTraitTestClass
+{
+    use Setter;
+
+    private $privateProperty='private property';
+
+    public function __construct()
+    {
+        $this->{$this->getQualifiedAttributeName('property_attribute')}='attribute value';
+    }
+
+    public function getPropertyGetter():string
+    {
+        return 'getter value';
+    }
+
+}