ruby on rails - Clearing out ActionMailer::Base.deliveries after RSpec test -

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i have following rspec test usermailer class:

require "spec_helper"  describe usermailer   "should send welcome emails"     actionmailer::base.deliveries.should be_empty     user = factory(:user)     usermailer.welcome_email(user).deliver     actionmailer::base.deliveries.should_not be_empty   end end

this test passed first time, failed second time ran it. after doing little bit of debugging, appears 1st test added item actionmailer::base.deliveries array , item never got cleared out. causes first line in test fail since array not empty.

what's best way clear out actionmailer::base.deliveries array after rspec test?

since am::base.deliveries array, can initialize empty array. can rid of first check it's empty too:

describe usermailer   before { actionmailer::base.deliveries = [] }    "should send welcome emails"     user = factory(:user)     usermailer.welcome_email(user).deliver     actionmailer::base.deliveries.should_not be_empty   end end

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