teo-base/test/spec/teo.base.spec.js

Teo.JS base class implementation

/*!
 * teo.base.spec
 * @author Andrew Teologov <teologov.and@gmail.com>
 * @date 2/7/16
 */

"use strict";

const Base = require("../../lib/teo.base"),
    events = require("events");

describe("Testing Teo.JS Base Class", () => {

    it("Should inherit from EventEmitter", () => {

        let base = new Base();

        assert.instanceOf(base.__proto__, events.EventEmitter, "Should inherit EventEmitter");

    });

    it("Should create instance of base class", () => {

        let base = new Base({
            test: "test"
        }, () => {});

        assert.instanceOf(base, Base, "Should be instance of Base class");
        assert.deepEqual(base.config, {test: "test"}, "Options object should be equal");
        assert.isFunction(base.callback, "Should be a function");

    });

    it("Should apply config", () => {

        let applyConfigSpy = sinon.spy(Base.prototype, "applyConfig");
        let base = new Base({
            test: "123"
        });

        assert.isTrue(applyConfigSpy.calledOnce, "Config should be applied");
        assert.deepEqual(base.config, {test: "123"}, "Config should be correct");

    });

    it("Should initialize with only callback passed as first argument", () => {

        let base = new Base(() => {});

        assert.deepEqual(base.config, {}, "Should be an empty object");
        assert.isFunction(base.callback, "Callback should be function");

    });

    it("Should initialize with only object passed as first argument", () => {

        let base = new Base({test: "test"});

        assert.deepEqual(base.config, {test: "test"}, "Should be a correct object");
        assert.isFunction(base.callback, "Callback should be function");

    });

});