2 files changed, 29 insertions, 0 deletions
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index 6b840e16bb..84720585f2 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -895,4 +895,14 @@ class CopyMigrationsTest < ActiveRecord::TestCase
   ensure
     ActiveRecord::Base.logger = old
   end
+
+  private
+
+  def quietly
+    silence_stream(STDOUT) do
+      silence_stream(STDERR) do
+        yield
+      end
+    end
+  end
 end
diff --git a/activerecord/test/cases/tasks/mysql_rake_test.rb b/activerecord/test/cases/tasks/mysql_rake_test.rb
index 3e3a2828f3..572ad2ed18 100644
--- a/activerecord/test/cases/tasks/mysql_rake_test.rb
+++ b/activerecord/test/cases/tasks/mysql_rake_test.rb
@@ -288,6 +288,25 @@ module ActiveRecord
         @configuration.merge('port' => 10000),
         filename)
     end
+
+    private
+
+    def capture(stream)
+      stream = stream.to_s
+      captured_stream = Tempfile.new(stream)
+      stream_io = eval("$#{stream}")
+      origin_stream = stream_io.dup
+      stream_io.reopen(captured_stream)
+
+      yield
+
+      stream_io.rewind
+      return captured_stream.read
+    ensure
+      captured_stream.close
+      captured_stream.unlink
+      stream_io.reopen(origin_stream)
+    end
   end
 
   class MySQLStructureLoadTest < ActiveRecord::TestCase