package grpc_test import ( "testing" "github.com/0glabs/0g-chain/client/grpc" "github.com/stretchr/testify/require" ) func TestNewClient_InvalidEndpoint(t *testing.T) { _, err := grpc.NewClient("invalid-url") require.ErrorContains(t, err, "unknown grpc url scheme") _, err = grpc.NewClient("") require.ErrorContains(t, err, "grpc url cannot be empty") }