Remove test_mode in `lib/reline`.

2 files changed, 12 insertions, 7 deletions

diff --git a/lib/reline.rb b/lib/reline.rb
index aefcf7a5b5..6a53321a6d 100644
--- a/lib/reline.rb
+++ b/lib/reline.rb
@@ -179,13 +179,6 @@ module Reline
     @@line_editor&.delete_text(start, length)
   end
 
-  private_class_method def self.test_mode
-    remove_const('IOGate') if const_defined?('IOGate')
-    const_set('IOGate', Reline::GeneralIO)
-    @@config.instance_variable_set(:@test_mode, true)
-    @@config.reset
-  end
-
   def self.input=(val)
     raise TypeError unless val.respond_to?(:getc) or val.nil?
     if val.respond_to?(:getc)
diff --git a/test/reline/helper.rb b/test/reline/helper.rb
index 714142c054..3cec45b94d 100644
--- a/test/reline/helper.rb
+++ b/test/reline/helper.rb
@@ -1,7 +1,19 @@
 $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
 require 'reline'
+require 'reline2'
 require 'test/unit'
 
+module Reline
+  class <<self
+    def test_mode
+        remove_const('IOGate') if const_defined?('IOGate')
+        const_set('IOGate', Reline::GeneralIO)
+        @@config.instance_variable_set(:@test_mode, true)
+        @@config.reset
+    end
+  end
+end
+
 RELINE_TEST_ENCODING ||=
   if ENV['RELINE_TEST_ENCODING']
     Encoding.find(ENV['RELINE_TEST_ENCODING'])