Handle incoming emails from aliases correctly2247-emails-forwarded-to-service-desk-email-don-t-come

These set the 'actual' destination email in one of the Delivered-To lines, so
check those too.

1 files changed, 18 insertions, 0 deletions

diff --git a/spec/lib/gitlab/email/receiver_spec.rb b/spec/lib/gitlab/email/receiver_spec.rb
index f127e45ae6a..c6e3524f743 100644
--- a/spec/lib/gitlab/email/receiver_spec.rb
+++ b/spec/lib/gitlab/email/receiver_spec.rb
@@ -4,6 +4,24 @@ require_relative 'email_shared_blocks'
 describe Gitlab::Email::Receiver, lib: true do
   include_context :email_shared_context
 
+  context "when the email contains a valid email address in a Delivered-To header" do
+    let(:email_raw) { fixture_file('emails/forwarded_new_issue.eml') }
+    let(:handler) { double(:handler) }
+
+    before do
+      stub_incoming_email_setting(enabled: true, address: "incoming+%{key}@appmail.adventuretime.ooo")
+
+      allow(handler).to receive(:execute)
+      allow(handler).to receive(:metrics_params)
+    end
+
+    it "finds the mail key" do
+      expect(Gitlab::Email::Handler).to receive(:for).with(an_instance_of(Mail::Message), 'gitlabhq/gitlabhq+auth_token').and_return(handler)
+
+      receiver.execute
+    end
+  end
+
   context "when we cannot find a capable handler" do
     let(:email_raw) { fixture_file('emails/valid_reply.eml').gsub(mail_key, "!!!") }