add support for hudson.plugins.ws__cleanup.PreBuildCleanup plugin (#116)

lib/jenkins_pipeline_builder/extensions/wrappers.rb

@@ -243,3 +243,15 @@
     end
   end
 end
+
+wrapper do
+  name :prebuild_cleanup
+  plugin_id 'ws-cleanup'
+  description 'Deletes workspace before build starts.'
+  jenkins_name 'Delete workspace before build starts'
+  announced false
+
+  xml do |_|
+    send('hudson.plugins.ws__cleanup.PreBuildCleanup', 'plugin' => 'ws-cleanup')
+  end
+end

spec/lib/jenkins_pipeline_builder/extensions/registered_spec.rb

@@ -8,7 +8,8 @@
   nodejs: ['0'],
   rvm: ['0', '0.5'],
   timestamp: ['0'],
-  xvfb: ['0']
+  xvfb: ['0'],
+  prebuild_cleanup: ['0']
 }.freeze
 
 PUBLISHERS = {

spec/lib/jenkins_pipeline_builder/extensions/wrappers_spec.rb

@@ -116,4 +116,17 @@
       expect(node.first.content).to match 'Node-0.10.24'
     end
   end
+
+  context 'prebuild_cleanup' do
+    before :each do
+      JenkinsPipelineBuilder.registry.registry[:job][:wrappers][:prebuild_cleanup].installed_version = '0.0'
+    end
+
+    it 'generates correct xml' do
+      JenkinsPipelineBuilder.registry.traverse_registry_path('job', { wrappers: { prebuild_cleanup: true } }, @n_xml)
+
+      node = @n_xml.root.xpath('//buildWrappers/hudson.plugins.ws__cleanup.PreBuildCleanup')
+      expect(node.first).to_not be_nil
+    end
+  end
 end