Refactor away InstanceSubject

Added unnecessary complexity to the interceptor and
partial components.

src/Doubles/Core/Subject.php

@@ -62,6 +62,11 @@ public function exists()
         return interface_exists($this->fullyQualifiedName);
     }
 
+    public static function fromInstance($object)
+    {
+        return new static('\\' . get_class($object), T_CLASS);
+    }
+
     public function __construct($fullyQualifiedName, $type)
     {
         if ($type !== T_CLASS && $type !== T_INTERFACE) {

src/Doubles/Doubles.php

@@ -6,6 +6,7 @@
 namespace Doubles;
 
 use Doubles\Expectation\ExpectationComponent;
+use Doubles\Partial\PartialComponent;
 use Doubles\Stub\StubComponent;
 
 /**
@@ -52,7 +53,7 @@ public static function noConstruct($fullyQualifiedTypeName)
      */
     public static function partial($object)
     {
-        $subject = new Core\InstanceSubject($object);
+        $subject = Core\Subject::fromInstance($object);
 
         $testDouble = new Core\TestDouble;
 
@@ -61,13 +62,13 @@ public static function partial($object)
         $expectationComponent = new ExpectationComponent;
         $stubComponent = new StubComponent;
         $mockComponent = new Mock\MockComponent;
-        $interceptorComponent = new Partial\InterceptorComponent($subject);
+        $interceptorComponent = new Partial\InterceptorComponent($object);
 
         $expectationComponent->addExpecter($stubComponent);
         $expectationComponent->addExpecter($mockComponent);
         $expectationComponent->addExpecter($interceptorComponent);
 
-        $testDouble->addComponent(new Partial\PartialComponent($subject, $expectationComponent));
+        $testDouble->addComponent(new PartialComponent($object, $expectationComponent));
         $testDouble->addComponent($expectationComponent);
         $testDouble->addComponent($stubComponent);
         $testDouble->addComponent($mockComponent);

src/Doubles/Partial/InterceptorComponent.php

@@ -41,9 +41,9 @@ public function isExpecting($methodName)
         return array_key_exists($methodName, $this->callbacks);
     }
 
-    public function __construct(\Doubles\Core\InstanceSubject $subject)
+    public function __construct($subjectInstance)
     {
-        $this->instance = $subject->getInstance();
+        $this->instance = $subjectInstance;
     }
 }
 

src/Doubles/Partial/PartialComponent.php

@@ -28,10 +28,10 @@ public function whenMethodCalled($methodName, array $arguments)
     }
 
     public function __construct(
-        \Doubles\Core\InstanceSubject $subject,
+        $subjectInstance,
         ExpectationComponent $expectationComponent
     ) {
-        $this->instance = $subject->getInstance();
+        $this->instance = $subjectInstance;
         $this->expectationComponent = $expectationComponent;
     }
 }