Support underscored symbols in Action Mailer config

We allow the use of underscored symbols to represent classes throughout
other parts of Rails so it seems incongruous that it's not supported in
`register_interceptor` and `register_observer`.

1 files changed, 14 insertions, 0 deletions

diff --git a/actionmailer/test/base_test.rb b/actionmailer/test/base_test.rb
index 454e1afe97..02707d0b5f 100644
--- a/actionmailer/test/base_test.rb
+++ b/actionmailer/test/base_test.rb
@@ -530,6 +530,13 @@ class BaseTest < ActiveSupport::TestCase
     mail.deliver
   end
 
+  test "you can register an observer using its symbolized underscored name to the mail object that gets informed on email delivery" do
+    ActionMailer::Base.register_observer(:"base_test/my_observer")
+    mail = BaseMailer.welcome
+    MyObserver.expects(:delivered_email).with(mail)
+    mail.deliver
+  end
+
   test "you can register multiple observers to the mail object that both get informed on email delivery" do
     ActionMailer::Base.register_observers("BaseTest::MyObserver", MySecondObserver)
     mail = BaseMailer.welcome
@@ -568,6 +575,13 @@ class BaseTest < ActiveSupport::TestCase
     mail.deliver
   end
 
+  test "you can register an interceptor using its symbolized underscored name to the mail object that gets passed the mail object before delivery" do
+    ActionMailer::Base.register_interceptor(:"base_test/my_interceptor")
+    mail = BaseMailer.welcome
+    MyInterceptor.expects(:delivering_email).with(mail)
+    mail.deliver
+  end
+
   test "you can register multiple interceptors to the mail object that both get passed the mail object before delivery" do
     ActionMailer::Base.register_interceptors("BaseTest::MyInterceptor", MySecondInterceptor)
     mail = BaseMailer.welcome