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

   1 /*
   2  * This file is part of reguloj. It is subject to the license terms in the LICENSE file found in the top-level
   3  * directory of this distribution and at http://creativecommons.org/publicdomain/zero/1.0/. No part of reguloj,
   4  * including this file, may be copied, modified, propagated, or distributed except according to the terms contained
   5  * in the LICENSE file.
   6  */
   7
   8 package wtf.metio.reguloj;
   9
  10 import org.junit.jupiter.api.DisplayName;
  11 import org.junit.jupiter.api.Test;
  12 import org.mockito.BDDMockito;
  13 import org.mockito.Mockito;
  14
  15 import java.util.List;
  16
  17 final class LimitedRuleEngineTest extends RuleEngineTCK {
  18
  19     @Override
  20     protected RuleEngine<Context<Object>> createRuleEngine() {
  21         return new LimitedRuleEngine<>(2);
  22     }
  23
  24     @Test
  25     @DisplayName("limit the number of loops")
  26     void shouldRunTwoTimesWithMatchingRules() {
  27         BDDMockito.given(rule.fires(context)).willReturn(Boolean.TRUE);
  28         BDDMockito.given(rule2.fires(context)).willReturn(Boolean.TRUE);
  29
  30         engine.infer(List.of(rule, rule2), context);
  31
  32         Mockito.verify(rule, Mockito.times(2)).run(context);
  33         Mockito.verify(rule2, Mockito.times(2)).run(context);
  34     }
  35
  36     @Test
  37     @DisplayName("iterate over all rules at least once")
  38     void shouldRunOnceWithNonMatchingRules() {
  39         BDDMockito.given(rule.fires(context)).willReturn(Boolean.FALSE);
  40         BDDMockito.given(rule2.fires(context)).willReturn(Boolean.FALSE);
  41
  42         engine.infer(List.of(rule, rule2), context);
  43
  44         Mockito.verify(rule, Mockito.times(1)).fires(context);
  45         Mockito.verify(rule2, Mockito.times(1)).fires(context);
  46     }
  47
  48 }