MAGETWO-41954: Eliminate code generatio in production mode

Author: Joan He

setup/src/Magento/Setup/Console/Command/DiCompileCommand.php

@@ -296,11 +296,13 @@ private function getOperationsConfiguration(
         $operations = [
             OperationFactory::PROXY_GENERATOR => [
                 'paths' => $compiledPathsList['application'],
-                'filePatterns' => ['di' => '/\/etc\/([a-zA-Z_]*\/di|di)\.xml$/']
+                'filePatterns' => ['di' => '/\/etc\/([a-zA-Z_]*\/di|di)\.xml$/'],
+                'excludePatterns' => ['/\/Test\//']
             ],
             OperationFactory::REPOSITORY_GENERATOR => [
                 'paths' => $compiledPathsList['application'],
-                'filePatterns' => ['di' => '/\/etc\/([a-zA-Z_]*\/di|di)\.xml$/']
+                'filePatterns' => ['di' => '/\/etc\/([a-zA-Z_]*\/di|di)\.xml$/'],
+                'excludePatterns' => ['/\/Test\//']
             ],
             OperationFactory::DATA_ATTRIBUTES_GENERATOR => [
                 'paths' => $compiledPathsList['application'],

setup/src/Magento/Setup/Module/Di/App/Task/Operation/ApplicationCodeGenerator.php

@@ -69,7 +69,10 @@ public function doOperation()
             $files = [];
             foreach ($paths as $path) {
                 $this->classesScanner->getList($path);
-                $files = array_merge_recursive($files, $this->directoryScanner->scan($path, $this->data['filePatterns'], $this->data['excludePatterns']));
+                $files = array_merge_recursive(
+                    $files,
+                    $this->directoryScanner->scan($path, $this->data['filePatterns'], $this->data['excludePatterns'])
+                );
             }
             $entities = $this->phpScanner->collectEntities($files['php']);
             foreach ($entities as $entityName) {

setup/src/Magento/Setup/Module/Di/App/Task/Operation/ProxyGenerator.php

@@ -48,14 +48,17 @@ public function __construct(
      */
     public function doOperation()
     {
-        if (array_diff(array_keys($this->data), ['filePatterns', 'paths'])
-            !== array_diff(['filePatterns', 'paths'], array_keys($this->data))) {
+        if (array_diff(array_keys($this->data), ['filePatterns', 'paths', 'excludePatterns'])
+            !== array_diff(['filePatterns', 'paths', 'excludePatterns'], array_keys($this->data))) {
             return;
         }
 
         $files = [];
         foreach ($this->data['paths'] as $path) {
-            $files = array_merge_recursive($files, $this->directoryScanner->scan($path, $this->data['filePatterns']));
+            $files = array_merge_recursive(
+                $files,
+                $this->directoryScanner->scan($path, $this->data['filePatterns'], $this->data['excludePatterns'])
+            );
         }
         $proxies = $this->proxyScanner->collectEntities($files['di']);
         foreach ($proxies as $entityName) {

setup/src/Magento/Setup/Module/Di/App/Task/Operation/RepositoryGenerator.php

@@ -57,8 +57,8 @@ public function __construct(
      */
     public function doOperation()
     {
-        if (array_diff(array_keys($this->data), ['filePatterns', 'paths'])
-            !== array_diff(['filePatterns', 'paths'], array_keys($this->data))) {
+        if (array_diff(array_keys($this->data), ['filePatterns', 'paths', 'excludePatterns'])
+            !== array_diff(['filePatterns', 'paths', 'excludePatterns'], array_keys($this->data))) {
             return;
         }
 
@@ -68,7 +68,10 @@ public function doOperation()
         $this->repositoryScanner->setUseAutoload(false);
         $files = [];
         foreach ($this->data['paths'] as $path) {
-            $files = array_merge_recursive($files, $this->directoryScanner->scan($path, $this->data['filePatterns']));
+            $files = array_merge_recursive(
+                $files,
+                $this->directoryScanner->scan($path, $this->data['filePatterns'], $this->data['excludePatterns'])
+            );
         }
         $repositories = $this->repositoryScanner->collectEntities($files['di']);
         foreach ($repositories as $entityName) {

setup/src/Magento/Setup/Test/Unit/Module/Di/App/Task/ProxyGeneratorTest.php

@@ -70,6 +70,7 @@ public function testDoOperation()
         $data = [
             'paths' => ['path/to/app'],
             'filePatterns' => ['di' => 'di.xml'],
+            'excludePatterns' => ['/\/Test\//'],
         ];
         $files = ['di' => []];
         $model = new ProxyGenerator(

setup/src/Magento/Setup/Test/Unit/Module/Di/App/Task/RepositoryGeneratorTest.php

@@ -16,7 +16,7 @@ class RepositoryGeneratorTest extends \PHPUnit_Framework_TestCase
      * @var Scanner\DirectoryScanner | \PHPUnit_Framework_MockObject_MockObject
      */
     private $directoryScannerMock;
-    
+
     /**
      * @var Scanner\RepositoryScanner | \PHPUnit_Framework_MockObject_MockObject
      */
@@ -75,6 +75,7 @@ public function testDoOperationEmptyRepositories()
         $data = [
             'paths' => ['path/to/app'],
             'filePatterns' => ['di' => 'di.xml'],
+            'excludePatterns' => ['/\/Test\//'],
         ];
         $files = ['di' => []];
         $model = new RepositoryGenerator(