test editor fail reporting

test/CMDTEST_vimdir.rb

@@ -57,6 +57,16 @@ class CMDTEST_basic < Cmdtest::Testcase
       created_files ["output.txt"]
     end
   end
+
+  def test_editor_fail
+    import_file "test/faulty_editor.sh", "./"
+
+    cmd "EDITOR=./faulty_editor.sh vimdir -n ./" do
+      exit_nonzero
+      created_files ["vimdir_test_file.vimdir"]
+      stderr_equal /\A.*error.+\n.*notice.+\n/
+    end
+  end
 end
 
 

test/faulty_editor.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+exit 17