add the ability to omit the search argument in the CollectionEngine (#515)

Author: Jackardios

src/Engines/CollectionEngine.php

@@ -117,6 +117,10 @@ protected function searchModels(Builder $builder)
                 return false;
             }
 
+            if (! $builder->query) {
+                return true;
+            }
+
             foreach ($columns as $column) {
                 $attribute = $model->{$column};
 

tests/Feature/CollectionEngineTest.php

@@ -38,6 +38,13 @@ protected function defineDatabaseMigrations()
         ]);
     }
 
+    public function test_it_can_retrieve_results_with_empty_search()
+    {
+        $models = SearchableUserModel::search()->get();
+
+        $this->assertCount(2, $models);
+    }
+
     public function test_it_can_retrieve_results()
     {
         $models = SearchableUserModel::search('Taylor')->where('email', 'taylor@laravel.com')->get();