Merge pull request #14 from herwinw/base64

Allow compares between XMLRPC::Base64

Author: hsbt

lib/xmlrpc/base64.rb

@@ -13,6 +13,7 @@ module XMLRPC # :nodoc:
 # You can use XMLRPC::Base64 on the client and server-side as a
 # parameter and/or return-value.
 class Base64
+  include Comparable
 
   # Creates a new XMLRPC::Base64 instance with string +str+ as the
   # internal string. When +state+ is +:dec+ it assumes that the
@@ -40,6 +41,11 @@ def encoded
     Base64.encode(@str)
   end
 
+  # Compare two base64 values, based on decoded string
+  def <=>(other)
+    return nil unless other.is_a?(self.class)
+    decoded <=> other.decoded
+  end
 
   # Decodes string +str+ with base64 and returns that value.
   def Base64.decode(str)

test/test_base64.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+require 'test/unit'
+require 'xmlrpc/base64'
+
+module TestXMLRPC
+  class Test_Base64 < Test::Unit::TestCase
+    def test_equals
+      refute_equal(XMLRPC::Base64.new('foobar'), 'foobar')
+      refute_equal(XMLRPC::Base64.new('foo'), XMLRPC::Base64.new('bar'))
+      assert_equal(XMLRPC::Base64.new('foobar'), XMLRPC::Base64.new('foobar'))
+    end
+  end
+end