behaviortree/lib/Decorator.spec.js

A JavaScript implementation of Behavior Trees. They are useful for implementing AIs. For Browsers and NodeJS.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
/* eslint-env jest */
const constants_1 = require("./constants");
const Decorator_1 = __importDefault(require("./Decorator"));
const Task_1 = __importDefault(require("./Task"));
describe('Decorator', () => {
    it('does nothing by itself', () => {
        const task = new Task_1.default({
            run(blackboard) {
                return blackboard.result;
            }
        });
        expect(task.run({ result: constants_1.SUCCESS })).toEqual(constants_1.SUCCESS);
        expect(task.run({ result: constants_1.FAILURE })).toEqual(constants_1.FAILURE);
        expect(task.run({ result: constants_1.RUNNING })).toEqual(constants_1.RUNNING);
        const decoratedTask = new Decorator_1.default({ node: task });
        expect(decoratedTask.run({ result: constants_1.SUCCESS })).toEqual(constants_1.SUCCESS);
        expect(decoratedTask.run({ result: constants_1.FAILURE })).toEqual(constants_1.FAILURE);
        expect(decoratedTask.run({ result: constants_1.RUNNING })).toEqual(constants_1.RUNNING);
    });
    it('can have a start and end callback', () => {
        const blackboard = { start: 0, end: 0, result: constants_1.RUNNING };
        const task = new Task_1.default({
            run(blackboard) {
                return blackboard.result;
            }
        });
        const decoratedTask = new Decorator_1.default({
            start: function (b) {
                ++b.start;
            },
            end: function (b) {
                ++b.end;
            },
            node: task
        });
        decoratedTask.run(blackboard);
        expect(blackboard.start).toEqual(1);
        expect(blackboard.end).toEqual(0);
        blackboard.result = constants_1.FAILURE;
        decoratedTask.run(blackboard, { rerun: true });
        expect(blackboard.start).toEqual(1);
        expect(blackboard.end).toEqual(1);
    });
});