Here I am using whenNew method in powermockito.
@Test
public void test() {
MsgTransmit msgtransmit= mockm(MsgTransmit.class);
String userId= id101;
Powermockito.whennew(msgtransmit .class).withArgumen("transmit.get_msg",jdbcTemplate).thenReturn(MsgTransmit);
Powermockito.when(msgtransmit.res(msg,userId).thenReturn(output);
Msg.getDetails(userId,msg);
}
Powermockito.whenNew(msgtransmit .class).withAnyArguments().thenReturn(null);
How to change whenNew to testng.Can anyone provide some example for this conversion. And recommend some websites for learning testng.