sweetp/dashboard

'use strict';

describe('Service: Observable', function () {
    var s, log;

    // load the controller's module
    beforeEach(module('dashboardApp'));

    // Initialize the controller and a mock scope
    beforeEach(inject(function (Observable, $log) {
        log = $log;
        s = Observable.create();
    }));

    it("fails when methods invoked and event not exists.", function () {
        sinon.spy(log, 'error');

        s.fireEvent('foo');
        expect(log.error.calledOnce).toBe(true);
        log.error.reset();

        s.on('foo', sinon.spy());
        expect(log.error.calledOnce).toBe(true);
        log.error.reset();

        s.un('foo', sinon.spy());
        expect(log.error.calledOnce).toBe(true);
        log.error.reset();

        log.error.restore();
    });

    it("can subscribe, fire, unsubscribe an event.", function () {
        var handler;

        s.addEvents([
            'foo'
        ]);

        handler = sinon.spy();

        s.on('foo', handler);
        expect(handler.callCount).toBe(0);

        s.fireEvent('foo');
        expect(handler.calledOnce).toBe(true);
        handler.reset();

        s.un('foo', handler);
        expect(handler.callCount).toBe(0);
        s.fireEvent('foo');
        expect(handler.callCount).toBe(0);
    });

});