Tdd examples from http://scholarcoder.com/1392/ttd-intro

AuthenticationTest.java

@Test
public void userLoginWithCorrectCredentials() throws Exception {

    // Given that this user exists
    String username = "adrianvdh";
    String password = "hello123";
    AuthorisationContext authorisationContext = new AuthorisationContext();

    // When authenticating
    authorisationContext.authenticate(username, password);

    // Then the session must be valid
    Session userSession = Session.getCurrentSession();
    Assert.assertEquals("adrianvdh", userSession.getAuthenticatedUser().username);
    Assert.assertEquals("hello123", userSession.getAuthenticatedUser().password);

}