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-rw-r--r--actionmailer/lib/action_mailer/delivery_methods.rb2
-rw-r--r--actionmailer/test/delivery_methods_test.rb3
2 files changed, 4 insertions, 1 deletions
diff --git a/actionmailer/lib/action_mailer/delivery_methods.rb b/actionmailer/lib/action_mailer/delivery_methods.rb
index 9a1a27c8ed..aedcd81e52 100644
--- a/actionmailer/lib/action_mailer/delivery_methods.rb
+++ b/actionmailer/lib/action_mailer/delivery_methods.rb
@@ -64,7 +64,7 @@ module ActionMailer
raise "Delivery method cannot be nil"
when Symbol
if klass = delivery_methods[method]
- mail.delivery_method(klass,(send(:"#{method}_settings") || {}).merge!(options || {}))
+ mail.delivery_method(klass, (send(:"#{method}_settings") || {}).merge(options || {}))
else
raise "Invalid delivery method #{method.inspect}"
end
diff --git a/actionmailer/test/delivery_methods_test.rb b/actionmailer/test/delivery_methods_test.rb
index 61a037ea18..20412c7bb2 100644
--- a/actionmailer/test/delivery_methods_test.rb
+++ b/actionmailer/test/delivery_methods_test.rb
@@ -152,6 +152,9 @@ class MailDeliveryTest < ActiveSupport::TestCase
assert_equal "overridden", delivery_method_instance.settings[:user_name]
assert_equal "somethingobtuse", delivery_method_instance.settings[:password]
assert_equal delivery_method_instance.settings.merge(overridden_options), delivery_method_instance.settings
+
+ # make sure that overriding delivery method options per mail instance doesn't affect the Base setting
+ assert_equal settings, ActionMailer::Base.smtp_settings
end
test "non registered delivery methods raises errors" do