code: def test_generate(self):
      X, y = create_test_data(10)
      generator = RipperRuleSetGenerator()
      p1 = predicate.Predicate(
          Feature("x1"), predicate.Relation.LE, 0.31903909605709857
      )
      p2 = predicate.Predicate(
          Feature("x2"), predicate.Relation.LE, -0.8778584179213718
      )
      p3 = predicate.Predicate(
          Feature("x2"), predicate.Relation.GE, -0.2493703754774101
      )
      p4 = predicate.Predicate(
          Feature("x1"), predicate.Relation.GE, 0.31903909605709857
      )
      c1 = Conjunction([p1, p2])
      c2 = Conjunction([p3, p4])
      expected = DnfRuleSet([c1, c2], 0)
      actual = generator.generate(X, y, 0, random_state=1)
      self.assertEqual(actual, expected)
  
file_path: AIX360/tests/rule_induction/ripper/test_ripper_ruleset_generator.py
imports: from unittest import TestCase
  import numpy
  import pandas
  from aix360.algorithms.rule_induction.ripper.ripper_ruleset_generator import RipperRuleSetGenerator
  from aix360.algorithms.rule_induction.trxf.core.conjunction import Conjunction
  from aix360.algorithms.rule_induction.trxf.core.dnf_ruleset import DnfRuleSet
  from aix360.algorithms.rule_induction.trxf.core.feature import Feature
  import aix360.algorithms.rule_induction.trxf.core.predicate
label_desc: Use image node_id 1 for calling the TestRipperRuleSetGenerator obj's underlying member method code with example usage: obj.test_generate() without return types