Merge pull request #2148 from a11r/interops

Expanded testing protocol

test/proto/messages.proto

@@ -46,6 +46,14 @@ enum PayloadType {
   RANDOM = 2;
 }
 
+// Compression algorithms
+enum CompressionType {
+  // No compression
+  NONE = 0;
+  GZIP = 1;
+  DEFLATE = 2;
+}
+
 // A block of data, to simply increase gRPC message size.
 message Payload {
   // The type of data in body.
@@ -54,6 +62,13 @@ message Payload {
   optional bytes body = 2;
 }
 
+// A protobuf representation for grpc status. This is used by test
+// clients to specify a status that the server should attempt to return.
+message EchoStatus { 
+  optional int32 code = 1;
+  optional string message = 2;
+}
+
 // Unary request.
 message SimpleRequest {
   // Desired payload type in the response from the server.
@@ -72,6 +87,12 @@ message SimpleRequest {
 
   // Whether SimpleResponse should include OAuth scope.
   optional bool fill_oauth_scope = 5;
+
+  // Compression algorithm to be used by the server for the response (stream)
+  optional CompressionType response_compression = 6;
+
+  // Whether server should return a given status
+  optional EchoStatus response_status = 7;
 }
 
 // Unary response, as configured by the request.
@@ -123,6 +144,12 @@ message StreamingOutputCallRequest {
 
   // Optional input payload sent along with the request.
   optional Payload payload = 3;
+
+  // Compression algorithm to be used by the server for the response (stream)
+  optional CompressionType response_compression = 6;
+
+  // Whether server should return a given status
+  optional EchoStatus response_status = 7;
 }
 
 // Server-streaming response, as configured by the request and parameters.

test/proto/test.proto

@@ -71,3 +71,11 @@ service TestService {
   rpc HalfDuplexCall(stream StreamingOutputCallRequest)
       returns (stream StreamingOutputCallResponse);
 }
+
+
+// A simple service NOT implemented at servers so clients can test for
+// that case.
+service UnimplementedService {
+  // A call that no server should implement
+  rpc UnimplementedCall(grpc.testing.Empty) returns(grpc.testing.Empty);  
+}