pubnub/test/unit/listener_manager.test.js

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/* global describe, it */

import assert from 'assert';
import ListenerManager from '../../src/core/components/listener_manager';

describe('components/ListenerManager', () => {
  it('supports removal of listeners', () => {
    let listeners = new ListenerManager();
    let bool1 = false;
    let bool2 = false;

    let listener1 = {
      message() { bool1 = true; }
    };

    let listener2 = {
      message() { bool2 = true; }
    };

    listeners.addListener(listener1);
    listeners.addListener(listener2);

    listeners.removeListener(listener2);
    listeners.announceMessage('hi');

    assert(bool1, 'bool1 was triggered');
    assert(!bool2, 'bool2 was not triggered');
  });

  it('supports presence announcements', () => {
    let listeners = new ListenerManager();
    let bool1 = false;
    let bool2 = false;
    let bool3 = false;

    let listener1 = {
      presence() { bool1 = true; }
    };

    let listener2 = {
      presence() { bool2 = true; }
    };

    let listener3 = {
      message() { bool3 = true; },
      status() { bool3 = true; }
    };

    listeners.addListener(listener1);
    listeners.addListener(listener2);
    listeners.addListener(listener3);

    listeners.announcePresence('hi');

    assert(bool1, 'bool1 was triggered');
    assert(bool2, 'bool2 was triggered');
    assert(!bool3, 'bool3 was not triggered');
  });

  it('supports status announcements', () => {
    let listeners = new ListenerManager();
    let bool1 = false;
    let bool2 = false;
    let bool3 = false;

    let listener1 = {
      status() { bool1 = true; }
    };

    let listener2 = {
      status() { bool2 = true; }
    };

    let listener3 = {
      message() { bool3 = true; },
      presence() { bool3 = true; }
    };

    listeners.addListener(listener1);
    listeners.addListener(listener2);
    listeners.addListener(listener3);

    listeners.announceStatus('hi');

    assert(bool1, 'bool1 was triggered');
    assert(bool2, 'bool2 was triggered');
    assert(!bool3, 'bool3 was not triggered');
  });

  it('supports message announcements', () => {
    let listeners = new ListenerManager();
    let bool1 = false;
    let bool2 = false;
    let bool3 = false;

    let listener1 = {
      message() { bool1 = true; }
    };

    let listener2 = {
      message() { bool2 = true; }
    };

    let listener3 = {
      status() { bool3 = true; },
      presence() { bool3 = true; }
    };

    listeners.addListener(listener1);
    listeners.addListener(listener2);
    listeners.addListener(listener3);

    listeners.announceMessage('hi');

    assert(bool1, 'bool1 was triggered');
    assert(bool2, 'bool2 was triggered');
    assert(!bool3, 'bool3 was not triggered');
  });

  it('announces network down events', () => {
    let listeners = new ListenerManager();
    let listener = {
      status(status) {
        assert.deepEqual(status, { category: 'PNNetworkDownCategory' });
      }
    };

    listeners.addListener(listener);

    listeners.announceNetworkDown();
  });

  it('announces network up events', () => {
    let listeners = new ListenerManager();
    let listener = {
      status(status) {
        assert.deepEqual(status, { category: 'PNNetworkUpCategory' });
      }
    };

    listeners.addListener(listener);

    listeners.announceNetworkUp();
  });
});