module ActionMailbox::TestHelper

def create_inbound_email_from_mail(status: :processing, **mail_options, &block)

end
end
part.body "

Please join us for a party at Bag End

"
mail.html_part do |part|

end
part.body "Please join us for a party at Bag End"
mail.text_part do |part|

mail.subject "Come down to the Shire!"
mail.from "Bilbo Baggins "
mail.to "David Heinemeier Hansson "
create_inbound_email_from_mail do |mail|

of the message:
As with +Mail.new+, you can also use a block parameter to define the parts

end
end
body "

Please join us for a party at Bag End

"
html_part do

end
body "Please join us for a party at Bag End"
text_part do

subject "Come down to the Shire!"
from "Bilbo Baggins "
to "David Heinemeier Hansson "
create_inbound_email_from_mail do

block.
that contains both a plaintext version and an HTML version, you can pass a
When you need to create a more intricate email, like a multi-part email

==== Creating a multi-part email

create_inbound_email_from_mail(from: "david@loudthinking.com", subject: "Hello!")

+body+, you can pass them directly as options.
When you only need to set basic fields like +from+, +to+, +subject+, and

==== Creating a simple email

For possible statuses, see {its documentation}[rdoc-ref:ActionMailbox::InboundEmail].
* :status - The +status+ to set for the created +InboundEmail+.

==== Options

Creates an +InboundEmail+ by specifying through options or a block. 
def create_inbound_email_from_mail(status: :processing, **mail_options, &block)
  mail = Mail.new(mail_options, &block)
  # Bcc header is not encoded by default
  mail[:bcc].include_in_headers = true if mail[:bcc]
  create_inbound_email_from_source mail.to_s, status: status
end