Testing console based applications/programs - Java

Question

All,

I have written a PhoneBook application in Java that is command line based. The application basically asks for some details of user like Name, Age, Address and p

Answer 1

The library System Rules provides the rule TextFromStandardInputStream for simulating input in JUnit tests.

public class YourAppTest {
  @Rule
  public TextFromStandardInputStream systemInMock = emptyStandardInputStream();

  @Test
  public void test() {
    systemInMock.provideText("name\nsomething else\n");
    YourApp.main();
    //assertSomething
  }
}

For details have a look at the System Rules documentation.