def METHOD_NAME():
    """
    Tests that the QueryBuilder object returns the right values
    """
    # Initialise test cases
    subject= "s"
    pred = "p"
    object_node = "o"
    namespace = "http://www.test.org"
    # Initialise and add placeholders
    builder = QueryBuilder()
    builder.add_select_var(subject, pred, object_node)
    builder.add_where_triple(subject, pred, object_node, 7)
    # Generate expected values
    expected = "SELECT ?" + subject + " ?" + pred + " ?" + object_node + " "
    expected += "WHERE {?" + subject + " ?" + pred + " ?" + object_node + ".\n}"
    # Test assertion
    assert str(builder) == expected
    # Test assertion for prefix
    builder.add_prefix(namespace)
    expected = "PREFIX base:<" + namespace + ">\n" + expected
    assert str(builder) == expected