diff --git a/lib/core_ext/string.rb b/lib/core_ext/string.rb
index 063221811..24c70d2c7 100644
--- a/lib/core_ext/string.rb
+++ b/lib/core_ext/string.rb
@@ -35,6 +35,21 @@ class String
     camel_cased_word.gsub(/::/, '/').downcase
   end
 
+=begin
+
+  filename = 'some/module.rb'.to_classname
+
+  returns
+    'Some::Module'
+
+=end
+
+  def to_classname
+    camel_cased_word = "#{self}"
+    camel_cased_word.gsub!(/\.rb$/, '')
+    camel_cased_word.split('/').map(&:camelize).join('::')
+  end
+
   # because of mysql inno_db limitations, strip 4 bytes utf8 chars (e. g. emojis)
   # unfortunaly UTF8mb4 will raise other limitaions of max varchar and lower index sizes
   # More details: http://pjambet.github.io/blog/emojis-and-mysql/
diff --git a/test/unit/aaa_string_test.rb b/test/unit/aaa_string_test.rb
index b9f8b3ca9..5e155ef80 100644
--- a/test/unit/aaa_string_test.rb
+++ b/test/unit/aaa_string_test.rb
@@ -25,6 +25,36 @@ class AaaStringTest < ActiveSupport::TestCase
     assert_equal( result,  modul.to_filename )
   end
 
+  test 'to_classname ref' do
+    modul  = 'test'
+    result = 'test'
+    modul.to_filename
+    assert_equal( result,  modul )
+
+    modul  = 'some/file'
+    result = 'some/file'
+    modul.to_filename
+    assert_equal( result,  modul )
+  end
+
+  test 'to_classname function' do
+    modul  = 'test'
+    result = 'Test'
+    assert_equal( result,  modul.to_classname )
+
+    modul  = 'some/file'
+    result = 'Some::File'
+    assert_equal( result,  modul.to_classname )
+
+    modul  = 'some/files'
+    result = 'Some::Files'
+    assert_equal( result,  modul.to_classname )
+
+    modul  = 'some_test/files'
+    result = 'SomeTest::Files'
+    assert_equal( result,  modul.to_classname )
+  end
+
   test 'html2text ref' do
     html   = 'test'
     result = 'test'