grails-core issue grails#11318 apply Generated annotation to RenderCo…

…nverterTrait method, to improve test coverage reports (grails#15)

src/main/groovy/org/grails/compiler/web/converters/RenderConverterTrait.groovy

@@ -1,6 +1,7 @@
 package org.grails.compiler.web.converters
 
 import grails.artefact.Enhances
+import groovy.transform.Generated
 import org.grails.web.converters.Converter
 import org.grails.web.servlet.mvc.GrailsWebRequest
 import org.springframework.web.context.request.RequestContextHolder
@@ -15,6 +16,7 @@ trait RenderConverterTrait {
      *
      * @param converter The converter to render
      */
+    @Generated
     void render(Converter<?> converter) {
         GrailsWebRequest webRequest = (GrailsWebRequest)RequestContextHolder.currentRequestAttributes()
         HttpServletResponse response = webRequest.currentResponse

src/test/groovy/org/grails/compiler/web/converters/RenderConverterTraitGeneratedSpec.groovy

@@ -0,0 +1,22 @@
+package org.grails.compiler.web.converters
+
+import grails.web.Action
+import groovy.transform.Generated
+import spock.lang.Specification
+
+import java.lang.reflect.Method
+
+class ControllerTraitGeneratedSpec extends Specification {
+
+    void "test that all RenderConverter trait methods are marked as Generated"() {
+        expect: "all RenderConverter methods are marked as Generated on implementation class"
+        RenderConverterTrait.getMethods().each { Method traitMethod ->
+            assert TestConverter.class.getMethod(traitMethod.name, traitMethod.parameterTypes).isAnnotationPresent(Generated)
+        }
+    }
+}
+
+class TestConverter implements RenderConverterTrait {
+
+}
+