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Merge pull request #36227 from betesh/avoid-misleading-error-about-late-attachments

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Prevent reading inline attachments after `mail` was called from raising an inaccurate exception
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Rafael França 2019-07-26 16:00:44 -04:00 committed by GitHub
commit abaa73f34a
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2 changed files with 12 additions and 1 deletions
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2
actionmailer/lib/action_mailer/base.rb
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@ -737,7 +737,7 @@ module ActionMailer
end
class LateAttachmentsProxy < SimpleDelegator
def inline; _raise_error end
def inline; self end
def []=(_name, _content); _raise_error end
private

11
actionmailer/test/base_test.rb
View file

@ -267,6 +267,17 @@ class BaseTest < ActiveSupport::TestCase
assert_match(/Can't add attachments after `mail` was called./, e.message)
end
test "accessing inline attachments after mail was called works" do
class LateInlineAttachmentMailer < ActionMailer::Base
def welcome
mail body: "yay", from: "welcome@example.com", to: "to@example.com"
attachments.inline["invoice.pdf"]
end
end
assert_nothing_raised { LateInlineAttachmentMailer.welcome.message }
end
test "adding inline attachments while rendering mail works" do
class LateInlineAttachmentMailer < ActionMailer::Base
def on_render