docs: make docs & pre-commit

README.md

@@ -133,8 +133,9 @@ Type: `string`
 
 ### <a name="input_parent_resource_id"></a> [parent\_resource\_id](#input\_parent\_resource\_id)
 
-Description: The resource id of the parent management group. Use the tenant id to create a child of the tenant root group.  
-The `azurerm_client_config`/`azapi_client_config` data sources are able to retrieve the tenant id.
+Description: The resource name of the parent management group. Use the tenant id to create a child of the tenant root group.  
+The `azurerm_client_config`/`azapi_client_config` data sources are able to retrieve the tenant id.  
+Do not include the `/providers/Microsoft.Management/managementGroups/` prefix.
 
 Type: `string`
 

tests/unit/existingmanagementgroup.tftest.hcl

@@ -10,16 +10,16 @@ provider "alz" {
 }
 
 variables {
-  architecture_name = "existingmg"
-  location          = "sweedencentral"
+  architecture_name  = "existingmg"
+  location           = "sweedencentral"
   parent_resource_id = "parent"
 }
 
 run "existingmg" {
   command = plan
 
   assert {
-    condition = data.alz_architecture.this.management_groups[0].exists
+    condition     = data.alz_architecture.this.management_groups[0].exists
     error_message = "The management group level 0 resource should not be created."
   }
 }