Dont crash on unexpected rpm output

lib/puppet/provider/rpmkey/rpm.rb

@@ -12,10 +12,11 @@ Puppet::Type.type(:rpmkey).provide(:rpm) do
     end
 
     rpm_query.each_line do |line|
+      line.chomp!
       if match = /^gpg-pubkey-([0-9a-f]*)-[0-9a-f]*/.match(line)
         keys << new(:name => match.captures[0].upcase, :ensure => :present)
       else
-        warning "Unexpected rpm output #{line.expect}. Ignoring this line."
+        warning "Unexpected rpm output #{line.inspect}. Ignoring this line."
       end
     end
     keys

spec/fixtures/unit/provider/rpmkey/rpm/rpm_q_unexpected

+gpg-pubkey-db42a60e-37ea5438
+gpg-pubkey-4f2a6fd2-3f9d9d3b
+gpg-pubkey-4f2a6fd3
+gpg-pubkey-23a254d4-41ddbc46

spec/unit/provider/rpmkey/rpm_spec.rb

@@ -26,6 +26,16 @@ describe Puppet::Type.type(:rpmkey).provider(:rpm) do
       described_class.expects(:rpm).with('-q', 'gpg-pubkey').raises Puppet::ExecutionFailure, 'package gpg-pubkey is not installed'
       expect(described_class.instances).to be_empty
     end
+
+    it "should warn and ignore unexpected output" do
+      described_class.expects(:rpm).with('-q', 'gpg-pubkey').returns File.read(my_fixture('rpm_q_unexpected'))
+      described_class.expects(:warning).with('Unexpected rpm output "gpg-pubkey-4f2a6fd3". Ignoring this line.')
+      expect(described_class.instances.map(&:name)).to eq([
+        'DB42A60E',
+        '4F2A6FD2',
+        '23A254D4'
+      ])
+    end
   end
 
   describe "#exists?" do