Add an enum field to echo request and response (#359)

.gitignore

@@ -1,3 +1,4 @@
 # Temp directories
 tmp/
 dist/
+coverage.txt

cmd/gapic-showcase/echo.go

@@ -16,6 +16,8 @@ import (
 	"os"
 
 	statuspb "google.golang.org/genproto/googleapis/rpc/status"
+
+	"strings"
 )
 
 var EchoInput genprotopb.EchoRequest
@@ -30,6 +32,8 @@ var EchoInputResponseError genprotopb.EchoRequest_Error
 
 var EchoInputResponseErrorDetails []string
 
+var EchoInputSeverity string
+
 func init() {
 	EchoServiceCmd.AddCommand(EchoCmd)
 
@@ -43,6 +47,8 @@ func init() {
 
 	EchoCmd.Flags().StringArrayVar(&EchoInputResponseErrorDetails, "response.error.details", []string{}, "A list of messages that carry the error details. ...")
 
+	EchoCmd.Flags().StringVar(&EchoInputSeverity, "severity", "", "The severity to be echoed by the server.")
+
 	EchoCmd.Flags().StringVar(&EchoInputResponse, "response", "", "Choices: content, error")
 
 	EchoCmd.Flags().StringVar(&EchoFromFile, "from_file", "", "Absolute path to JSON file containing request payload")
@@ -91,6 +97,8 @@ var EchoCmd = &cobra.Command{
 				return fmt.Errorf("Missing oneof choice for response")
 			}
 
+			EchoInput.Severity = genprotopb.Severity(genprotopb.Severity_value[strings.ToUpper(EchoInputSeverity)])
+
 		}
 
 		// unmarshal JSON strings into slice of structs

schema/google/showcase/v1beta1/echo.proto

@@ -106,9 +106,19 @@ service Echo {
   };
 }
 
-// The request message used for the Echo, Collect and Chat methods. If content
-// is set in this message then the request will succeed. If status is set in 
-// this message then the status will be returned as an error.
+// A severity enum used to test enum capabilities in GAPIC surfaces
+enum Severity {
+  UNNECESSARY = 0;
+  NECESSARY = 1;
+  URGENT = 2;
+  CRITICAL = 3;
+}
+
+
+// The request message used for the Echo, Collect and Chat methods.
+// If content or opt are set in this message then the request will succeed.
+// If status is set in this message
+// then the status will be returned as an error.
 message EchoRequest {
   oneof response {
     // The content to be echoed by the server.
@@ -117,12 +127,18 @@ message EchoRequest {
     // The error to be thrown by the server.
     google.rpc.Status error = 2;
   }
+
+  // The severity to be echoed by the server.
+  Severity severity = 3;
 }
 
 // The response message for the Echo methods.
 message EchoResponse {
   // The content specified in the request.
   string content = 1;
+
+  // The severity specified in the request.
+  Severity severity = 2;
 }
 
 // The request message for the Expand method.