How to use

setMaxResults

method

in

com.google.api.services.gmail.Gmail$Users$Messages$List

@Before
public void setup() throws IOException {
 googleMailExporter = new GoogleMailExporter(googleCredentialFactory, gmail);
 when(gmail.users()).thenReturn(users);
 when(users.messages()).thenReturn(messages);
 when(messages.list(Matchers.anyString())).thenReturn(messageListRequest);
 when(messageListRequest.setMaxResults(Matchers.anyLong())).thenReturn(messageListRequest);
 when(messages.get(Matchers.anyString(), Matchers.anyString())).thenReturn(get);
 when(get.setFormat(Matchers.anyString())).thenReturn(get);
 verifyZeroInteractions(googleCredentialFactory);
}

inOrder.verify(messageListRequest).setMaxResults(GoogleMailExporter.PAGE_SIZE);
verify(messageListRequest, never()).setPageToken(Matchers.anyString());

 request = gmail.users().messages().list(USER).setMaxResults(PAGE_SIZE);
} catch (IOException e) {
 return new ExportResult<>(e);