Asserts that the number of emails sent matches the given number.
def test_emails assert_emails 0 ContactMailer.deliver_contact assert_emails 1 ContactMailer.deliver_contact 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.deliver_contact
end
assert_emails 2 do
ContactMailer.deliver_contact
ContactMailer.deliver_contact
end
end
# File lib/action_mailer/test_helper.rb, line 27 def assert_emails(number) if block_given? original_count = ActionMailer::Base.deliveries.size yield new_count = ActionMailer::Base.deliveries.size assert_equal original_count + number, new_count, "#{number} emails expected, but #{new_count - original_count} were sent" else assert_equal number, ActionMailer::Base.deliveries.size end end
Assert that no emails have been sent.
def test_emails assert_no_emails ContactMailer.deliver_contact assert_emails 1 end
If a block is passed, that block should not cause any emails to be sent.
def test_emails_again
assert_no_emails do
# No emails should be sent from this block
end
end
Note: This assertion is simply a shortcut for:
assert_emails 0
# File lib/action_mailer/test_helper.rb, line 57 def assert_no_emails(&block) assert_emails 0, &block end
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