node.dependents = new HashSet<>();
            }
            node.dependents.add(this);
        }
        if (executedRules == null) {
            executedRules = new ArrayList<>();
        }
        executedRules.add(binder.getDescriptor());
    }

    public Iterable<? extends ModelNode> getDependencies() {

        when:
        fireCount.times {
            modelNode.notifyFired(executionBinder)
        }

        then:
        modelNode.executedRules.size() == fireCount
        modelNode.executedRules[0] == descriptor

        where:
        fireCount << [1, 2]
    }

    def "should not fire for unbound binders"() {
        setup:

        if (omitDetails()) {
            return;
        }
        Iterable<ModelRuleDescriptor> executedRules = uniqueExecutedRulesExcludingCreator(model);
        if (!Iterables.isEmpty(executedRules)) {
            printNestedAttributeTitle(styledTextoutput, "Rules:");
            for (ModelRuleDescriptor ruleDescriptor : executedRules) {
                printNestedAttribute(styledTextoutput, "⤷ " + ruleDescriptor.toString());
            }