php: there is an unimplemented service

src/php/tests/interop/interop_client.php

@@ -569,7 +569,11 @@ function _makeStub($args)
         $opts['update_metadata'] = $update_metadata;
     }
 
-    $stub = new grpc\testing\TestServiceClient($server_address, $opts);
+    if ($test_case == 'unimplemented_method') {
+      $stub = new grpc\testing\UnimplementedServiceClient($server_address, $opts);
+    } else {
+      $stub = new grpc\testing\TestServiceClient($server_address, $opts);
+    }
 
     return $stub;
 }

src/php/tests/interop/test.proto

@@ -1,5 +1,5 @@
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -68,7 +68,11 @@ service TestService {
   // first request.
   rpc HalfDuplexCall(stream StreamingOutputCallRequest)
       returns (stream StreamingOutputCallResponse);
+}
 
-  // An unimplemented method on the server
+// 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.EmptyMessage) returns (grpc.testing.EmptyMessage);
 }