Add method to retrieve page header actions

Author: CodeWithDennis

src/Concerns/Resources/InteractsWithPages.php

@@ -2,6 +2,8 @@
 
 namespace CodeWithDennis\FilamentTests\Concerns\Resources;
 
+use Filament\Actions\Action;
+use Filament\Actions\ActionGroup;
 use Filament\Resources\Pages\PageRegistration;
 
 trait InteractsWithPages
@@ -28,6 +30,35 @@ public function hasPage(string $page): bool
         return $this->hasPages([$page]);
     }
 
+    public function getPageHeaderAction(string $page, string $action)
+    {
+        return collect($this->getPageHeaderActions($page))
+            ->first(fn (Action $flatAction): bool => $flatAction->getName() === $action);
+    }
+
+    public function getPageHeaderActions(string $page): array
+    {
+        $page = $this->getPage($page)->getPage();
+        $reflection = new \ReflectionClass($page);
+        $method = $reflection->getMethod('getHeaderActions');
+
+        $method->setAccessible(true);
+
+        $actions = $method->invoke(app($page));
+        $flatActions = [];
+
+        /* We need to flatten the actions because they can be grouped inside ActionGroup */
+        foreach ($actions as $action) {
+            if ($action instanceof Action) {
+                $flatActions[] = $action;
+            } elseif ($action instanceof ActionGroup) {
+                $flatActions = [...$flatActions, ...$action->getActions()];
+            }
+        }
+
+        return $flatActions;
+    }
+
     public function getPageClass(string $page): ?string
     {
         if (! $this->hasPage($page)) {