How to use predicateThatThrowsWhenCalledTooOften method of org.assertj.core.api.recursive.assertion.RecursiveAssertionDriver_RecursionTest class

Best Assertj code snippet using org.assertj.core.api.recursive.assertion.RecursiveAssertionDriver_RecursionTest.predicateThatThrowsWhenCalledTooOften

Source:RecursiveAssertionDriver_RecursionTest.java

...24  void should_recurse_through_object_tree() {25    // GIVEN26    RecursiveAssertionDriver objectUnderTest = testSubjectWithDefaultConfiguration();27    Object objectTree = simpleCycleStructure();28    Predicate<Object> boomOnOveruse = predicateThatThrowsWhenCalledTooOften(25);29    // WHEN30    List<FieldLocation> failedFields = objectUnderTest.assertOverObjectGraph(boomOnOveruse, objectTree);31    // THEN32    then(failedFields).containsOnly(rootFieldLocation().field("linkToMiddle"),33                                    rootFieldLocation().field("linkToMiddle").field("linkToBottom"));34  }35  @Test36  void should_detect_cycle_and_break_looping() {37    // GIVEN38    RecursiveAssertionDriver objectUnderTest = testSubjectWithDefaultConfiguration();39    Object objectTree = simpleCycleStructure();40    Predicate<Object> boomOnOveruse = predicateThatThrowsWhenCalledTooOften(100);41    // WHEN / THEN42    thenNoException().isThrownBy(() -> objectUnderTest.assertOverObjectGraph(boomOnOveruse, objectTree));43  }44  @Test45  void should_not_attempt_to_recurse_into_null_fields() {46    // GIVEN47    RecursiveAssertionDriver objectUnderTest = testSubjectWithDefaultConfiguration();48    Top objectTree = simpleCycleStructure();49    objectTree.linkToMiddle.linkToBottom.loopBackToTop = null;50    Predicate<Object> boomOnOveruse = predicateThatThrowsWhenCalledTooOften(100);51    // WHEN / THEN52    thenNoException().isThrownBy(() -> objectUnderTest.assertOverObjectGraph(boomOnOveruse, objectTree));53  }54  private Predicate<Object> predicateThatThrowsWhenCalledTooOften(int maxCalls) {55    AtomicInteger callLimit = new AtomicInteger(maxCalls - 1);56    return o -> {57      int call = callLimit.getAndDecrement();58      if (call < 0) throw new RuntimeException("Called too often -- assuming cycling -- BOOM!");59      return false;60    };61  }62}...

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