[feature/interface-attributes] Added read attributes on interface

Author: Alxey Shapilov

src/Internal/AttributeReader.php

@@ -35,6 +35,10 @@ public function getClassMetadata(\ReflectionClass $class, string $name = null):
             yield $this->instantiator->instantiate($attribute, $arguments, $class);
         }
 
+        foreach ($class->getInterfaces() as $interface) {
+            yield from $this->getClassMetadata($interface, $name);
+        }
+
         foreach ($class->getTraits() as $trait) {
             yield from $this->getClassMetadata($trait, $name);
         }

tests/Reader/Fixture/AnnotatedInterface.php

@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * This file is part of Spiral Framework package.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Spiral\Tests\Attributes\Reader\Fixture;
+
+use Spiral\Tests\Attributes\Reader\Fixture\Annotation\ClassAnnotation;
+use Spiral\Tests\Attributes\Reader\Fixture\Annotation\MethodAnnotation;
+use Spiral\Tests\Attributes\Reader\Fixture\Annotation\MethodParameterAnnotation;
+
+/** @ClassAnnotation(field="value") */
+#[ClassAnnotation(field: 'value')]
+interface AnnotatedInterface
+{
+    #[MethodAnnotation(field: 'value')]
+    public function method(
+        #[MethodParameterAnnotation(field: 'value')]
+        string $parameter
+    ): void;
+}

tests/Reader/Fixture/ClassWithAnnotatedInterface.php

@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * This file is part of Spiral Framework package.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Spiral\Tests\Attributes\Reader\Fixture;
+
+class ClassWithAnnotatedInterface implements AnnotatedInterface
+{
+    public function method(string $parameter): void
+    {
+    }
+}

tests/Reader/ReaderTestCase.php

@@ -21,6 +21,7 @@
 use Spiral\Tests\Attributes\Reader\Fixture\Annotation\MethodAnnotation;
 use Spiral\Tests\Attributes\Reader\Fixture\Annotation\MethodParameterAnnotation;
 use Spiral\Tests\Attributes\Reader\Fixture\Annotation\PropertyAnnotation;
+use Spiral\Tests\Attributes\Reader\Fixture\ClassWithAnnotatedInterface;
 use Spiral\Tests\Attributes\Reader\Fixture\ClassWithAnnotatedTrait;
 use Spiral\Tests\Attributes\Reader\Fixture\UndefinedMeta;
 use Spiral\Tests\Attributes\TestCase;
@@ -99,6 +100,10 @@ public function testClassMetadataCount(): void
         $this->assertCount($this->classMetadataCount,
             $this->getClassMetadata(ClassWithAnnotatedTrait::class)
         );
+
+        $this->assertCount($this->classMetadataCount,
+            $this->getClassMetadata(ClassWithAnnotatedInterface::class)
+        );
     }
 
     public function testClassMetadataObjects(): void
@@ -118,6 +123,10 @@ public function testClassMetadataObjects(): void
         foreach ($this->getClassMetadata(ClassWithAnnotatedTrait::class) as $actual) {
             $this->assertEquals($expected, $actual);
         }
+
+        foreach ($this->getClassMetadata(ClassWithAnnotatedInterface::class) as $actual) {
+            $this->assertEquals($expected, $actual);
+        }
     }
 
     public function testConstantMetadataCount(): void
@@ -169,6 +178,10 @@ public function testMethodMetadataCount(): void
         $this->assertCount($this->methodMetadataCount,
             $this->getMethodMetadata(AnnotatedClass::class, 'method')
         );
+
+        $this->assertCount($this->methodMetadataCount,
+            $this->getMethodMetadata(ClassWithAnnotatedInterface::class, 'method')
+        );
     }
 
     public function testMethodMetadataObjects(): void
@@ -191,6 +204,10 @@ public function testMethodParameterMetadataCount(): void
         $this->assertCount($this->methodParameterMetadataCount,
             $this->getMethodParameterMetadata(AnnotatedClass::class, 'method', 'parameter')
         );
+
+        $this->assertCount($this->methodParameterMetadataCount,
+            $this->getMethodParameterMetadata(ClassWithAnnotatedInterface::class, 'method', 'parameter')
+        );
     }
 
     public function testMethodParameterMetadataObjects(): void