@Test
public void testCompiler() throws Exception {

    TestDataProvider tdp = new TestDataProvider(rows);
    final DataProviderCompiler converter = new DataProviderCompiler();
    final String drl = converter.compile(tdp,
                                         "/templates/rule_template_1.drl");
    Assertions.assertThat(EXPECTED_RULES.toString()).isEqualToIgnoringWhitespace(drl);
}