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2 changes: 1 addition & 1 deletion Gemfile.lock
Original file line number Diff line number Diff line change
Expand Up @@ -202,7 +202,7 @@ GEM
railties (>= 7.0)
responders
warden (~> 1.2.3)
devise_invitable (2.0.13)
devise_invitable (2.0.14)
actionmailer (>= 5.0)
devise (>= 4.6)
diff-lcs (1.6.2)
Expand Down
16 changes: 16 additions & 0 deletions spec/lib/custom_devise_mailer_load_spec.rb
Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
require "open3"

# Autoloading CustomDeviseMailer in a fresh process used to raise
# "uninitialized constant CustomDeviseMailer" (#5745): devise_invitable 2.0.13's
# :action_mailer load hook resolved Devise.mailer while the class was still loading
# (fixed in 2.0.14, scambra/devise_invitable#929).
# CI eager-loads, which hides it, so this boots a separate non-eager-loaded process.
RSpec.describe "CustomDeviseMailer cold load" do
it "resolves Devise.mailer when autoloaded first in a fresh process" do
env = {"RAILS_ENV" => "test", "CI" => nil}
output, status = Open3.capture2e(env, "bin/rails", "runner", "puts Devise.mailer.name", chdir: Rails.root.to_s)

expect(status).to be_success, output
expect(output.lines.map(&:strip)).to include("CustomDeviseMailer")
end
end