WIP: Introduce attribute callback tests

Icinga · Apr 28, 2021 · 9c91ad8 · 9c91ad8
1 parent 35b852d
commit 9c91ad8
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Showing 2 changed files with 124 additions and 0 deletions.
diff --git a/tests/AttributesTest.php b/tests/AttributesTest.php
@@ -2,7 +2,12 @@
 
 namespace ipl\Tests\Html;
 
+use Exception;
+use ipl\Html\Attribute;
 use ipl\Html\Attributes;
+use ipl\Tests\Html\TestDummy\ElementWithCallbackAttributes;
+use RuntimeException;
+use UnexpectedValueException;
 
 class AttributesTest extends TestCase
 {
@@ -38,4 +43,91 @@ public function testForeach()
             next($attrs);
         }
     }
+
+    public function testGetterCallbackInGet()
+    {
+        $callback = function () {
+            return new Attribute('callback', 'value from callback');
+        };
+
+        $attributes = (new Attributes())
+            ->setCallback('callback', $callback);
+
+        $this->assertSame($attributes->get('callback')->getValue(), 'value from callback');
+    }
+
+    public function testSetterCallbackInSet()
+    {
+        $element = new ElementWithCallbackAttributes();
+
+        $attributes = $element->getAttributes();
+
+        $attributes->set('name', 'name from test');
+
+        $this->assertSame('name from test', $attributes->get('name')->getValue());
+        $this->assertSame('name from test', $element->getName());
+    }
+
+    public function testSetterCallbackInAdd()
+    {
+        $element = new ElementWithCallbackAttributes();
+
+        $attributes = $element->getAttributes();
+
+        $attributes->add('name', 'name from test');
+
+        $this->assertSame('name from test', $attributes->get('name')->getValue());
+        $this->assertSame('name from test', $element->getName());
+    }
+
+    public function testSetterCallbackIsProxied()
+    {
+        $element = new ElementWithCallbackAttributes();
+
+        $attributes = $element->getAttributes();
+
+        $attributes->get('name')->setValue('name from test');
+
+        $this->assertSame('name from test', $attributes->get('name')->getValue());
+        $this->assertSame('name from test', $element->getName());
+    }
+
+    public function testCantOverrideCallbacks()
+    {
+        $callback = function () {
+            return new Attribute('callback', 'value from callback');
+        };
+
+        $attributes = (new Attributes())
+            ->setCallback('callback', $callback);
+
+        $this->expectException(RuntimeException::class);
+        $attributes->set('callback', 'overridden');
+    }
+
+    public function testGetterCallbackRuntimeException()
+    {
+        $callback = function () {
+            throw new Exception();
+        };
+
+        $attributes = (new Attributes())
+            ->setCallback('callback', $callback);
+
+        $this->expectException(RuntimeException::class);
+        $attributes->get('callback');
+    }
+
+    public function testGetterCallbackValueException()
+    {
+        $callback = function () {
+            return [];
+        };
+
+        $attributes = (new Attributes())
+            ->setCallback('callback', $callback);
+
+        $this->expectException(UnexpectedValueException::class);
+        $attributes->get('callback');
+    }
 }
diff --git a/tests/TestDummy/ElementWithCallbackAttributes.php b/tests/TestDummy/ElementWithCallbackAttributes.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace ipl\Tests\Html\TestDummy;
+
+use ipl\Html\BaseHtmlElement;
+
+class ElementWithCallbackAttributes extends BaseHtmlElement
+{
+    protected $name;
+
+    public function __construct()
+    {
+        $this->registerCallbacks();
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function setName($name)
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    protected function registerCallbacks()
+    {
+        $this->getAttributes()->setCallback('name', [$this, 'getName'], [$this, 'setName']);
+    }
+}