[backend] validate that empty patchinfos are failing

src/api/test/functional/maintenance_test.rb

@@ -937,10 +937,10 @@ def test_create_maintenance_project_and_release_packages
     # block patchinfo build
     get "/source/#{incidentProject}/patchinfo/_patchinfo"
     assert_response :success
-    pi = REXML::Document.new( @response.body )
-    pi.root.add_element "stopped"
-    pi.elements["//stopped"].text = "The issue is not fixed for real yet"
-    put "/source/#{incidentProject}/patchinfo/_patchinfo", pi.to_s
+    pi = ActiveXML::Base.new( @response.body )
+    pi.add_element "stopped"
+    pi.stopped.text = "The issue is not fixed for real yet"
+    put "/source/#{incidentProject}/patchinfo/_patchinfo", pi.dump_xml
     assert_response :success
     # collect the job results
     run_scheduler( "x86_64" )
@@ -950,9 +950,23 @@ def test_create_maintenance_project_and_release_packages
     assert_response :success
     assert_tag :parent => { :tag => "result", :attributes => { :repository=>"BaseDistro2.0_LinkedUpdateProject", :arch=>"i586", :state=>"published"} },
                :tag => "status", :attributes => { :package=>"patchinfo", :code=>"broken" }
-    # un-block patchinfo build
-    pi.root.delete_element 'stopped'
-    put "/source/#{incidentProject}/patchinfo/_patchinfo", pi.to_s
+    # un-block patchinfo build, but filter for an empty result
+    pi.delete_element 'stopped'
+    pi.add_element 'binary'
+    pi.binary.text = "does not exist"
+    put "/source/#{incidentProject}/patchinfo/_patchinfo", pi.dump_xml
+    assert_response :success
+    # collect the job results
+    run_scheduler( "x86_64" )
+    run_scheduler( "i586" )
+    wait_for_publisher()
+    get "/build/#{incidentProject}/_result"
+    assert_response :success
+    assert_tag :parent => { :tag => "result", :attributes => { :repository=>"BaseDistro2.0_LinkedUpdateProject", :arch=>"i586", :state=>"published"} },
+               :tag => "status", :attributes => { :package=>"patchinfo", :code=>"failed" }
+    # fix it again
+    pi.delete_element 'binary'
+    put "/source/#{incidentProject}/patchinfo/_patchinfo", pi.dump_xml
     assert_response :success
     # collect the job results
     run_scheduler( "x86_64" )