Removed minitest/mock

1 files changed, 30 insertions, 1 deletions

diff --git a/test/resolv/test_dns.rb b/test/resolv/test_dns.rb
index 1f1555fecc..5171604a82 100644
--- a/test/resolv/test_dns.rb
+++ b/test/resolv/test_dns.rb
@@ -3,7 +3,36 @@ require 'test/unit'
 require 'resolv'
 require 'socket'
 require 'tempfile'
-require 'minitest/mock'
+
+class Object # :nodoc:
+  def stub name, val_or_callable, &block
+    new_name = "__minitest_stub__#{name}"
+
+    metaclass = class << self; self; end
+
+    if respond_to? name and not methods.map(&:to_s).include? name.to_s then
+      metaclass.send :define_method, name do |*args|
+        super(*args)
+      end
+    end
+
+    metaclass.send :alias_method, new_name, name
+
+    metaclass.send :define_method, name do |*args|
+      if val_or_callable.respond_to? :call then
+        val_or_callable.call(*args)
+      else
+        val_or_callable
+      end
+    end
+
+    yield self
+  ensure
+    metaclass.send :undef_method, name
+    metaclass.send :alias_method, name, new_name
+    metaclass.send :undef_method, new_name
+  end unless method_defined?(:stub) # lib/rubygems/test_case.rb also has the same method definition
+end
 
 class TestResolvDNS < Test::Unit::TestCase
   def setup