src/test/java/wtf/metio/reguloj/LimitedRuleEngineTest.java

   1 /*
   2  * SPDX-FileCopyrightText: The reguloj Authors
   3  * SPDX-License-Identifier: 0BSD
   4  */
   5 package wtf.metio.reguloj;
   6
   7 import org.junit.jupiter.api.DisplayName;
   8 import org.junit.jupiter.api.Test;
   9 import org.mockito.BDDMockito;
  10 import org.mockito.Mockito;
  11
  12 import java.util.List;
  13
  14 final class LimitedRuleEngineTest extends RuleEngineTCK {
  15
  16     @Override
  17     protected RuleEngine<Context<Object>> createRuleEngine() {
  18         return new LimitedRuleEngine<>(2);
  19     }
  20
  21     @Test
  22     @DisplayName("limit the number of loops")
  23     void shouldRunTwoTimesWithMatchingRules() {
  24         BDDMockito.given(rule.fires(context)).willReturn(Boolean.TRUE);
  25         BDDMockito.given(rule2.fires(context)).willReturn(Boolean.TRUE);
  26
  27         engine.infer(List.of(rule, rule2), context);
  28
  29         Mockito.verify(rule, Mockito.times(2)).run(context);
  30         Mockito.verify(rule2, Mockito.times(2)).run(context);
  31     }
  32
  33     @Test
  34     @DisplayName("iterate over all rules at least once")
  35     void shouldRunOnceWithNonMatchingRules() {
  36         BDDMockito.given(rule.fires(context)).willReturn(Boolean.FALSE);
  37         BDDMockito.given(rule2.fires(context)).willReturn(Boolean.FALSE);
  38
  39         engine.infer(List.of(rule, rule2), context);
  40
  41         Mockito.verify(rule, Mockito.times(1)).fires(context);
  42         Mockito.verify(rule2, Mockito.times(1)).fires(context);
  43     }
  44
  45 }