Generate empty schema for Any type (#936)

goagen/gen_schema/json_schema.go

@@ -282,7 +282,9 @@ func TypeSchema(api *design.APIDefinition, t design.DataType) *JSONSchema {
 	s := NewJSONSchema()
 	switch actual := t.(type) {
 	case design.Primitive:
-		s.Type = JSONType(actual.Name())
+		if name := actual.Name(); name != "any" {
+			s.Type = JSONType(actual.Name())
+		}
 		switch actual.Kind() {
 		case design.UUIDKind:
 			s.Format = "uuid"

goagen/gen_swagger/goo.json

@@ -0,0 +1 @@
+{"swagger":"2.0","info":{"title":"title","description":"description","termsOfService":"terms","contact":{"name":"contactName","email":"contactEmail@goa.design","url":"http://contactURL.com"},"license":{"name":"license","url":"http://licenseURL.com"},"version":""},"host":"host","basePath":"/base","schemes":["https"],"consumes":["application/json","application/xml","application/gob","application/x-gob"],"produces":["application/json","application/xml","application/gob","application/x-gob"],"paths":{"":{"put":{"tags":["res"],"summary":"act res","operationId":"res#act","parameters":[{"name":"payload","in":"body","required":true,"schema":{"$ref":"#/definitions/ActResPayload"}}],"schemes":["https"]}}},"definitions":{"ActResPayload":{"title":"ActResPayload","example":"a23550f5-e402-441c-8239-9707b25d3c8f"}},"tags":[{"name":"tag","description":"Tag desc.","externalDocs":{"description":"Huge docs","url":"http://example.com/tag"}}],"externalDocs":{"description":"doc description","url":"http://docURL.com"}}

goagen/gen_swagger/swagger_test.go

@@ -234,6 +234,27 @@ var _ = Describe("New", func() {
 					[]byte(`"required":true`),
 				})
 			})
+		})
+
+		Context("with a payload of type Any", func() {
+			BeforeEach(func() {
+				Resource("res", func() {
+					Action("act", func() {
+						Routing(
+							PUT("/"),
+						)
+						Payload(Any, func() {
+							Example("example")
+						})
+					})
+				})
+			})
+
+			It("serializes into valid swagger JSON", func() {
+				validateSwaggerWithFragments(swagger, [][]byte{
+					[]byte(`"ActResPayload":{"title":"ActResPayload","example":"example"}`),
+				})
+			})
 
 		})