module EmailHelpers def sent_to_user(user, recipients: email_recipients) recipients.count { |to| to == user.notification_email } end def reset_delivered_emails! ActionMailer::Base.deliveries.clear end def should_only_email(*users, kind: :to) recipients = email_recipients(kind: kind) users.each { |user| should_email(user, recipients: recipients) } expect(recipients.count).to eq(users.count) end def should_email(user, times: 1, recipients: email_recipients) amount = sent_to_user(user, recipients: recipients) failed_message = lambda { "User #{user.username} (#{user.id}): email test failed (expected #{times}, got #{amount})" } expect(amount).to eq(times), failed_message end def should_not_email(user, recipients: email_recipients) should_email(user, times: 0, recipients: recipients) end def should_not_email_anyone expect(ActionMailer::Base.deliveries).to be_empty end def email_recipients(kind: :to) ActionMailer::Base.deliveries.flat_map(&kind) end def find_email_for(user) ActionMailer::Base.deliveries.find { |d| d.to.include?(user.notification_email) } end def have_referable_subject(referable, include_project: true, reply: false) prefix = (include_project && referable.project ? "#{referable.project.name} | " : '').freeze prefix = "Re: #{prefix}" if reply suffix = "#{referable.title} (#{referable.to_reference})" have_subject [prefix, suffix].compact.join end end