lokijs-tests.ts

/// <reference path="lokijs.d.ts" />

import Loki = require("lokijs");

namespace LokijsTest {

    class Ant {
        static uniqueId = 1;

        id: number;
        dob: Date;
        health: number; // range [0.0, 1.0]
        lengthMm: number; // in millimeters
        weightMg: number; // in milligrams

        constructor(id: number) {
            this.id = id;
        }

        static createAnt() {
            return new Ant(Ant.uniqueId++);
        }

    }


    class QueenAnt extends Ant {
        eggsBirthed: number;

        constructor(id: number) {
            super(id);
        }

        static createQueenAnt() {
            return new QueenAnt(Ant.uniqueId++);
        }

    }


    class AntColony {
        ants: LokiCollection<Ant>;
        queens: LokiCollection<QueenAnt>;

        constructor(ants?: LokiCollection<Ant>, queens?: LokiCollection<QueenAnt>) {
            this.ants = ants;
            this.queens = queens;
        }
    }


    export class Test {

        static runAllTests() {
            var lokiInst = new Loki("ant-colony", { autosave: false });
            var colony = Test.createAntColony(lokiInst, 250);
            var topAnts = colony.ants.addDynamicView("top-ants");
            var topAntAry = topAnts.applyFind({ $gt: { health: 0.75 } }).data();

            if (colony.ants.binaryIndices["id"] == null) {
                throw new Error("missing 'id' binary index");
            }

            if (lokiInst.getCollection<Ant>("ants") != colony.ants) {
                throw new Error("ant collections don't match");
            }

            var collNames = lokiInst.listCollections().map((coll) => coll.name);
            if (collNames.length != 2 || collNames.indexOf("ants") < 0 || collNames.indexOf("queenAnts") < 0) {
                throw new Error("collections [" + collNames + "] does not equal expected ['ants', 'queenAnts']");
            }

            var firstQueenId = (<any>colony.queens.findOne({}))["$loki"];
            if (firstQueenId == null || colony.queens.get(firstQueenId) == null) {
                throw new Error("queen object's '.$loki' property lookup failed");
            }

            var anotherColl = new Loki.Collection("anotherCollection");

        }


        static createAntColony(lokiInst: Loki, antCount: number, queenCount: number = 1) {
            var ants = lokiInst.addCollection<Ant>("ants", { indices: "id" });
            var queens = lokiInst.addCollection<QueenAnt>("queenAnts", { indices: "id" });
            var antColony = new AntColony(ants, queens);

            for (var i = 0; i < antCount; i++) {
                ants.add(Ant.createAnt());
            }

            for (var i = 0; i < antCount; i++) {
                queens.add(QueenAnt.createQueenAnt());
            }

            return antColony;
        }

    }

}

export = LokijsTest;