1 files changed, 30 insertions, 0 deletions
diff --git a/spec/lib/gitlab/email/handler_spec.rb b/spec/lib/gitlab/email/handler_spec.rb
index 650b01c4df4..cedbfcc0d18 100644
--- a/spec/lib/gitlab/email/handler_spec.rb
+++ b/spec/lib/gitlab/email/handler_spec.rb
@@ -14,4 +14,34 @@ describe Gitlab::Email::Handler do
       expect(described_class.for('email', '')).to be_nil
     end
   end
+
+  describe 'regexps are set properly' do
+    let(:addresses) do
+      %W(sent_notification_key#{Gitlab::IncomingEmail::UNSUBSCRIBE_SUFFIX} sent_notification_key path/to/project+merge-request+user_email_token path/to/project+user_email_token)
+    end
+
+    it 'picks each handler at least once' do
+      matched_handlers = addresses.map do |address|
+        described_class.for('email', address).class
+      end
+
+      expect(matched_handlers.uniq).to match_array(ce_handlers)
+    end
+
+    it 'can pick exactly one handler for each address' do
+      addresses.each do |address|
+        matched_handlers = ce_handlers.select do |handler|
+          handler.new('email', address).can_handle?
+        end
+
+        expect(matched_handlers.count).to eq(1), "#{address} matches #{matched_handlers.count} handlers: #{matched_handlers}"
+      end
+    end
+  end
+
+  def ce_handlers
+    @ce_handlers ||= Gitlab::Email::Handler::HANDLERS.reject do |handler|
+      handler.name.start_with?('Gitlab::Email::Handler::EE::')
+    end
+  end
 end