Hi all.
Is there a "correct" way of writing a unit test for a mailer which
sends attachments?
I tried using the @expected variable as provided in
ActionMailer::TestCase, but it led to various problems.
Here's what I'm attempting...
def test_notification
@expected.from = ''
@expected.to = ''
@expected.subject = ''
@expected.content_type = 'multipart/mixed; boundary="something"'
body_part = TMail::Mail.new
body_part.content_type = 'text/plain'
body_part.body = read_fixture('notification')
@expected.parts << body_part # <=== ERROR HERE
attach_part = TMail::Mail.new
attach_part.content_type = 'application/octet-stream'
attach_part.encoding = 'base64'
attach_part.body = 'abc'
@expected.parts << attach_part
mail = Notifier.create_notification()
assert_equal @expected.encoded, mail.encoded
end
This gives the following error:
TypeError: can't convert nil into String
C:/ruby/lib/ruby/gems/1.8/gems/actionmailer-2.1.2/lib/action_mailer/
vendor/tmail-1.2.3/tmail/mail.rb:551:in `quote'
C:/ruby/lib/ruby/gems/1.8/gems/actionmailer-2.1.2/lib/
action_mailer/vendor/tmail-1.2.3/tmail/mail.rb:551:in `read_multipart'
C:/ruby/lib/ruby/gems/1.8/gems/actionmailer-2.1.2/lib/
action_mailer/vendor/tmail-1.2.3/tmail/mail.rb:540:in `parse_body_0'
C:/ruby/lib/ruby/gems/1.8/gems/actionmailer-2.1.2/lib/
action_mailer/vendor/tmail-1.2.3/tmail/mail.rb:526:in `parse_body'
C:/ruby/lib/ruby/gems/1.8/gems/actionmailer-2.1.2/lib/
action_mailer/vendor/tmail-1.2.3/tmail/stringio.rb:43:in `open'
C:/ruby/lib/ruby/gems/1.8/gems/actionmailer-2.1.2/lib/
action_mailer/vendor/tmail-1.2.3/tmail/port.rb:340:in `ropen'
C:/ruby/lib/ruby/gems/1.8/gems/actionmailer-2.1.2/lib/
action_mailer/vendor/tmail-1.2.3/tmail/mail.rb:524:in `parse_body'
C:/ruby/lib/ruby/gems/1.8/gems/actionmailer-2.1.2/lib/
action_mailer/vendor/tmail-1.2.3/tmail/mail.rb:497:in `parts'
C:/Projects/portal/trunk/test/unit/notifier_test.rb:16:in
`test_notification'
Line 16 is commented in the above code. Looking at mail.rb:551
suggests that body is nil, and I can confirm that the body passed in
was not nil.
I know I can just not use @expected and check each bit of the mail
separately, but I figure @expected is there for a reason (and also,
checking each bit of the mail only verifies what is supposed to be
there, not what isn't.)
Maybe I'm just doing things completely wrong, as I'm not 100% used to
Rails 2.x yet.
TX
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