Adatper Tests

example-adapter-tests.java

public interface UserRepository {
  UserId save(User u);
  User getUserById(UserId id);
  void deleteUser(User u);
}

public UserRepositoryTests {
  UserRepository users;
  UserOracle oracle;
  
  public deleteUserTest() {
    User user = oracle.getValidUser();
    users.deleteUser(u);
    assertThat(users.getUserById(user.id)).is().null()
  }
  
  public deleteUserTest() {
    User newUser = oracle.newUser();
    UserId newUserId = users.saveUser(newUser);
    assertThat(users.getUserById(newUser)).is().null()
  }
}