MQE-1055: [SPIKE] Audit performance issues with test generation in framework

Author: tomreece

src/Magento/FunctionalTestingFramework/Test/Objects/ActionGroupObject.php

@@ -87,6 +87,13 @@ class ActionGroupObject
      */
     private $filename;
 
+    /**
+     * Holds on to the result of extractStepKeys() to increase test generation performance.
+     *
+     * @var string[]
+     */
+    private $cachedStepKeys = null;
+
     /**
      * ActionGroupObject constructor.
      *
@@ -409,16 +416,18 @@ private function replacePersistedArgument($replacement, $attributeValue, $fullVa
      */
     public function extractStepKeys()
     {
-        $originalKeys = [];
-        foreach ($this->parsedActions as $action) {
-            //limit actions returned to list that are relevant
-            foreach (self::STEPKEY_REPLACEMENT_ENABLED_TYPES as $actionValue) {
-                if ($actionValue === $action->getType()) {
+        if ($this->cachedStepKeys === null) {
+            $originalKeys = [];
+            foreach ($this->parsedActions as $action) {
+                //limit actions returned to list that are relevant
+                if (in_array($action->getType(), self::STEPKEY_REPLACEMENT_ENABLED_TYPES)) {
                     $originalKeys[] = $action->getStepKey();
                 }
             }
+            $this->cachedStepKeys = $originalKeys;
         }
-        return $originalKeys;
+
+        return $this->cachedStepKeys;
     }
 
     /**

src/Magento/FunctionalTestingFramework/Test/Objects/TestObject.php

@@ -71,6 +71,13 @@ class TestObject
      */
     private $parentTest;
 
+    /**
+     * Holds on to the result of getOrderedActions() to increase test generation performance.
+     *
+     * @var ActionObject[]
+     */
+    private $cachedOrderedActions = null;
+
     /**
      * TestObject constructor.
      *
@@ -255,8 +262,12 @@ public function getCustomData()
      */
     public function getOrderedActions()
     {
-        $mergeUtil = new ActionMergeUtil($this->getName(), "Test");
-        return $mergeUtil->resolveActionSteps($this->parsedSteps);
+        if ($this->cachedOrderedActions === null) {
+            $mergeUtil = new ActionMergeUtil($this->getName(), "Test");
+            $this->cachedOrderedActions = $mergeUtil->resolveActionSteps($this->parsedSteps);
+        }
+
+        return $this->cachedOrderedActions;
     }
 
     /**