From e6d73b5fc1b88aad90c9868f6c337d1346afbb7d Mon Sep 17 00:00:00 2001
From: Josef Reidinger <jreidinger@suse.cz>
Date: Mon, 12 Mar 2018 16:04:13 +0100
Subject: [PATCH] add test

---
 test/stage1_test.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/stage1_test.rb b/test/stage1_test.rb
index 4d2f8a40a..79a2d47be 100644
--- a/test/stage1_test.rb
+++ b/test/stage1_test.rb
@@ -196,4 +196,17 @@
       end
     end
   end
+
+  describe "#merge" do
+    it "keeps logical volume if specified in other" do
+      devicegraph_stub("xfs.yaml")
+
+      other = described_class.new
+      other.add_device("/dev/sda5")
+
+      subject.merge(other)
+
+      expect(subject.devices).to eq ["/dev/sda5"]
+    end
+  end
 end