instance method
assert_emails
Ruby on Rails 4.2.9
Signature
assert_emails(number)Asserts that the number of emails sent matches the given number.
def test_emails
assert_emails 0
ContactMailer.welcome.deliver_now
assert_emails 1
ContactMailer.welcome.deliver_now
assert_emails 2
end
If a block is passed, that block should cause the specified number of emails to be sent.
def test_emails_again
assert_emails 1 do
ContactMailer.welcome.deliver_now
end
assert_emails 2 do
ContactMailer.welcome.deliver_now
ContactMailer.welcome.deliver_now
end
end
Parameters
-
numberreq
Source
# File actionmailer/lib/action_mailer/test_helper.rb, line 28
def assert_emails(number)
if block_given?
original_count = ActionMailer::Base.deliveries.size
yield
new_count = ActionMailer::Base.deliveries.size
assert_equal number, new_count - original_count, "#{number} emails expected, but #{new_count - original_count} were sent"
else
assert_equal number, ActionMailer::Base.deliveries.size
end
end
Defined in actionmailer/lib/action_mailer/test_helper.rb line 28
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Defined in ActionMailer::TestHelper