ClientNewPayload returns a payload of the given type and size.

DoClientStreaming performs a client streaming RPC.

DoEmptyStream sets up a bi-directional streaming with zero message.

DoEmptyUnaryCall performs a unary RPC with empty request and response messages.

DoLargeUnaryCall performs a unary RPC with large payload in the request and response.

DoPingPong performs ping-pong style bi-directional streaming RPC.

DoServerStreaming performs a server streaming RPC.

NewTestServer creates a test server for test service.