Method TestServerStreaming_ClientSendsZeroRequests

test/end2end_test.go:4165–4196

Tests the behavior of client for server-side streaming RPC when client sends zero request messages.

(t *testing.T)

// Tests the behavior of client for server-side streaming RPC when client sends zero request messages.
func (s) TestServerStreaming_ClientSendsZeroRequests(t *testing.T) {
	t.Skip("blocked on i/7286")
	// The initial call to recvMsg made by the generated code, will return the error.
	ss := stubserver.StubServer{}
	if err := ss.Start(nil); err != nil {
		t.Fatal("Error starting server:", err)
	}
	defer ss.Stop()

	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
	defer cancel()
	cc, err := grpc.NewClient(ss.Address, grpc.WithTransportCredentials(local.NewCredentials()))
	if err != nil {
		t.Fatalf("grpc.NewClient(%q) failed unexpectedly: %v", ss.Address, err)
	}
	defer cc.Close()

	desc := &grpc.StreamDesc{
		StreamName:    "StreamingOutputCall",
		ServerStreams: true,
		ClientStreams: false,
	}

	stream, err := cc.NewStream(ctx, desc, "/grpc.testing.TestService/StreamingOutputCall")
	if err != nil {
		t.Fatalf("cc.NewStream() failed unexpectedly: %v", err)
	}

	if err := stream.CloseSend(); status.Code(err) != codes.Internal {
		t.Errorf("stream.CloseSend() = %v, want error %v", status.Code(err), codes.Internal)
	}
}

// Tests that a client receives a cardinality violation error for client-streaming
// RPCs if the server calls SendMsg() multiple times.