diff --git a/hacking/test-module b/hacking/test-module
index cf4b4753900..3f7a8a2d648 100755
--- a/hacking/test-module
+++ b/hacking/test-module
@@ -89,6 +89,11 @@ def boilerplate_module(modfile, args, interpreter):
     #included_boilerplate = module_data.find(module_common.REPLACER) != -1 or module_data.find("import ansible.module_utils") != -1
 
     complex_args = {}
+    if args.startswith("@"):
+        # Argument is a YAML file (JSON is a subset of YAML)
+        complex_args = utils.combine_vars(complex_args, utils.parse_yaml_from_file(args[1:]))
+        args=''
+
     inject = {}
     if interpreter:
         if '=' not in interpreter: