@tdurtschi/bug/dist/src/core/entities/bug/behaviors/GroundWalk.spec.js

Bug is a simulation that models a weevil walking around in an HTML canvas.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var bug_1 = __importDefault(require("../bug"));
var Victor = require("victor");
var GroundWalk_1 = require("./GroundWalk");
var wall_1 = __importDefault(require("../../wall/wall"));
var vectors_1 = require("../../../util/vectors");
var BugInstinct_1 = require("./BugInstinct");
var tree_1 = require("../../plant/tree/tree");
describe("Ground Walking", function () {
    it("will turn around when there is an obstruction ahead", function () {
        var input = [new wall_1.default()];
        var bug = new bug_1.default(0, {
            size: new Victor(2, 1),
            pos: new Victor(0, 0),
            direction: new Victor(1, 0),
        });
        new GroundWalk_1.GroundWalk(bug).do(input);
        vectors_1.expectEquals(bug.direction, new Victor(-1, 0));
    });
    it("Turns around along its x-axis", function () {
        var input = [
            new wall_1.default(1, {
                pos: new Victor(0, 0),
                size: new Victor(10, 50),
            }),
        ];
        var bug = new bug_1.default(0, {
            pos: new Victor(0, 0),
            size: new Victor(10, 0),
            direction: new Victor(1, 0),
        });
        new GroundWalk_1.GroundWalk(bug).do(input);
        vectors_1.expectEquals(bug.pos, new Victor(-11, 0));
    });
    it("will change to climbing mode when it reaches a tree if toggle is true", function () {
        var input = [new tree_1.Tree(1, { pos: new Victor(20, 0) })];
        var bug = new bug_1.default(0, {
            pos: new Victor(10, 0),
            size: new Victor(30, 20),
            direction: new Victor(-1, 0),
        });
        bug.bugInstinct = new BugInstinct_1.DummyBugInstinct({ WillClimb: true });
        new GroundWalk_1.GroundWalk(bug).do(input);
        var direction = bug.direction;
        expect(bug.climbingOn.plant).toEqual(input[0]);
        vectors_1.expectEquals(direction, new Victor(0, 1));
    });
    it("will stay on the ground when it reaches a tree if toggle is false", function () {
        var input = [new tree_1.Tree(1, { pos: new Victor(20, 0) })];
        var bug = new bug_1.default(0, {
            pos: new Victor(10, 0),
            size: new Victor(30, 20),
            direction: new Victor(-1, 0),
        });
        bug.bugInstinct = new BugInstinct_1.DummyBugInstinct({ WillClimb: false });
        new GroundWalk_1.GroundWalk(bug).do(input);
        var direction = bug.direction;
        expect(bug.climbingOn).not.toBeDefined();
        vectors_1.expectEquals(direction, new Victor(-1, 0));
        vectors_1.expectEquals(bug.pos, new Victor(9, 0));
    });
    it("Emits an event when it starts climbing a tree", function (done) {
        var input = [new tree_1.Tree(1, { pos: new Victor(20, 0) })];
        var bug = new bug_1.default(0, {
            pos: new Victor(10, 0),
            size: new Victor(30, 20),
            direction: new Victor(-1, 0),
        });
        bug.bugInstinct = new BugInstinct_1.DummyBugInstinct({ WillClimb: true });
        bug.zIndexChanged.subscribe(done);
        new GroundWalk_1.GroundWalk(bug).do(input);
    });
    it("finishes after a specified number of updates", function () {
        var bug = new bug_1.default();
        bug.finishBehavior = jasmine.createSpy("finishBehavior");
        var groundWalk = new GroundWalk_1.GroundWalk(bug, 3);
        groundWalk.do([]);
        groundWalk.do([]);
        expect(bug.finishBehavior).not.toHaveBeenCalled();
        groundWalk.do([]);
        expect(bug.finishBehavior).toHaveBeenCalled();
    });
    it("turns around when crossing another bug's path", function () {
        var bug = new bug_1.default(0, {
            direction: new Victor(1, 0),
        });
        var otherBug = new bug_1.default(1, {
            direction: new Victor(-1, 0),
        });
        new GroundWalk_1.GroundWalk(bug).do([otherBug]);
        vectors_1.expectEquals(bug.direction, new Victor(-1, 0));
    });
});
describe("Walking mode", function () {
    it("Travels at a given speed", function () {
        var bug = new bug_1.default(0, {
            direction: new Victor(1, 0),
            speed: 17,
        });
        new GroundWalk_1.GroundWalk(bug).do([]);
        expect(bug.pos.x).toEqual(17);
    });
    describe("directions", function () {
        it("travels in +x direction when 'direction' is (1,0)", function () {
            var bug = new bug_1.default(0, {
                direction: new Victor(1, 0),
            });
            new GroundWalk_1.GroundWalk(bug).do([]);
            expect(bug.pos.x).toEqual(1);
        });
        it("travels in -x direction when 'direction' is (-1,0)", function () {
            var bug = new bug_1.default(0, {
                direction: new Victor(-1, 0),
            });
            new GroundWalk_1.GroundWalk(bug).do([]);
            expect(bug.pos.x).toEqual(-1);
        });
    });
});
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