Add tests for tunnel on jenkins slaves

spec/acceptance/slave_spec.rb

@@ -261,5 +261,26 @@ class { ::jenkins::slave:
         end
       end
     end # tool_locations
+
+    context 'tunnel' do
+      tunnel = 'localhost:9000'
+
+      context tunnel do
+        it 'works with no errors' do
+          pp = <<-EOS
+            class { ::jenkins::slave:
+              tunnel => '#{tunnel}',
+            }
+          EOS
+
+          apply2(pp)
+        end
+
+        describe process('java') do
+          its(:user) { should eq 'jenkins-slave' }
+          its(:args) { should match /-tunnel localhost:9000/ }
+        end
+      end
+    end # tunnel
   end # parameters
 end

spec/classes/jenkins_slave_spec.rb

@@ -133,6 +133,17 @@
       end
     end
 
+    describe 'with tunnel specified' do
+      let(:params) do
+        {
+          tunnel: 'localhost:9000'
+        }
+      end
+
+      it {should contain_file(slave_runtime_file).with_content(/^TUNNEL="localhost:9000"$/)}
+
+    end
+
     describe 'with different swarm versions' do
       let(:source) { 'http://rspec.example.com' }
       context 'a version lower than 3.0' do