2 files changed, 20 insertions, 2 deletions
diff --git a/actionmailer/test/abstract_unit.rb b/actionmailer/test/abstract_unit.rb
index 905f25c9f7..1617b88c8e 100644
--- a/actionmailer/test/abstract_unit.rb
+++ b/actionmailer/test/abstract_unit.rb
@@ -24,11 +24,15 @@ class MockSMTP
   def sendmail(mail, from, to)
     @@deliveries << [mail, from, to]
   end
+
+  def start(*args)
+    yield self
+  end
 end
 
 class Net::SMTP
-  def self.start(*args)
-    yield MockSMTP.new
+  def self.new(*args)
+    MockSMTP.new
   end
 end
 
diff --git a/actionmailer/test/mail_service_test.rb b/actionmailer/test/mail_service_test.rb
index 7f9540c44b..f5cb372b2a 100644
--- a/actionmailer/test/mail_service_test.rb
+++ b/actionmailer/test/mail_service_test.rb
@@ -938,6 +938,20 @@ EOF
     mail = TestMailer.create_body_ivar(@recipient)
     assert_equal "body: foo\nbar: baz", mail.body
   end
+
+  def test_starttls_is_enabled_if_supported
+    MockSMTP.any_instance.expects(:respond_to?).with(:enable_starttls_auto).returns(true)
+    MockSMTP.any_instance.expects(:enable_starttls_auto)
+    ActionMailer::Base.delivery_method = :smtp
+    TestMailer.deliver_signed_up(@recipient)
+  end
+
+  def test_starttls_is_disabled_if_not_supported
+    MockSMTP.any_instance.expects(:respond_to?).with(:enable_starttls_auto).returns(false)
+    MockSMTP.any_instance.expects(:enable_starttls_auto).never
+    ActionMailer::Base.delivery_method = :smtp
+    TestMailer.deliver_signed_up(@recipient)
+  end
 end
 
 end # uses_mocha