DefaultDataSourcePropertyProvider implements DataSourcePropertyProvider { @Override public String getUsernamePropertyName() { return "username"; }  @Override String getDataSourceClassName(); @Override String getURLPropertyName(); @Override String getUsernamePropertyName(); @Override String getPasswordPropertyName();  }
@Test public void assertGetUsernamePropertyName() { assertThat(new DefaultDataSourcePropertyProvider().getUsernamePropertyName(), is("username")); }