MQE-784: Update parser to read suites in from extensions

- alter Root based file resolver to extend module fileresolver
- refactor Module based fileresolver to expose utility method

Author: imeron2433

etc/di.xml

@@ -366,7 +366,7 @@
                 <item name="/suites/suite/exclude/(group|test|module)" xsi:type="string">name</item>
             </argument>
             <argument name="fileName" xsi:type="string">*.xml</argument>
-            <argument name="defaultScope" xsi:type="string">_suite</argument>
+            <argument name="defaultScope" xsi:type="string">Suite</argument>
         </arguments>
     </virtualType>
 

src/Magento/FunctionalTestingFramework/Config/FileResolver/Module.php

@@ -20,7 +20,7 @@ class Module implements FileResolverInterface
      *
      * @var ModuleResolver
      */
-    private $moduleResolver;
+    protected $moduleResolver;
 
     /**
      * Module constructor.
@@ -40,6 +40,20 @@ public function __construct(ModuleResolver $moduleResolver = null)
      * @return array|\Iterator,\Countable
      */
     public function get($filename, $scope)
+    {
+        $iterator = new File($this->getPaths($filename, $scope));
+        return $iterator;
+    }
+
+    /**
+     * Function which takes a string representing filename and a scope represnting directory scope to glob for matched
+     * patterns against. Returns the file matching the patterns given by the module resolver.
+     *
+     * @param string $filename
+     * @param string $scope
+     * @return array
+     */
+    protected function getPaths($filename, $scope)
     {
         $modulesPath = $this->moduleResolver->getModulesPath();
         $paths = [];
@@ -48,7 +62,6 @@ public function get($filename, $scope)
             $paths = array_merge($paths, glob($path));
         }
 
-        $iterator = new File($paths);
-        return $iterator;
+        return $paths;
     }
 }

src/Magento/FunctionalTestingFramework/Config/FileResolver/Root.php

@@ -9,20 +9,33 @@
 use Magento\FunctionalTestingFramework\Config\FileResolverInterface;
 use Magento\FunctionalTestingFramework\Util\Iterator\File;
 
-class Root implements FileResolverInterface
+class Root extends Module
 {
+    const ROOT_SUITE_DIR = "_suite";
 
     /**
-     * Retrieve the list of configuration files with given name that relate to specified scope at the tests level
+     * Retrieve the list of configuration files with given name that relate to specified scope at the root level as well
+     * as any extension based suite configuration.
      *
      * @param string $filename
      * @param string $scope
      * @return array|\Iterator,\Countable
      */
     public function get($filename, $scope)
     {
-        $paths = glob(dirname(TESTS_BP) . DIRECTORY_SEPARATOR . $scope . DIRECTORY_SEPARATOR . $filename);
+        // first pick up the root level test suite dir
+        $paths = glob(
+            dirname(TESTS_BP) . DIRECTORY_SEPARATOR . self::ROOT_SUITE_DIR
+            . DIRECTORY_SEPARATOR . $filename
+        );
 
-        return new File($paths);
+        // then merge this path into the module based paths
+        // Since we are sharing this code with Module based resolution we will unncessarily glob against modules in the
+        // dev/tests dir tree, however as we plan to migrate to app/code this will be a temporary unneeded check.
+        $paths = array_merge($paths, $this->getPaths($filename, $scope));
+
+        // create and return the iterator for these file paths
+        $iterator = new File($paths);
+        return $iterator;
     }
 }