pigallery2/test/backend/unit/model/threading/TaskQue.spec.ts

import {expect} from 'chai';
import {TaskQue} from '../../../../../backend/model/threading/TaskQue';

describe('TaskQue', () => {

  it('should be empty', () => {
    const tq = new TaskQue<number, number>();
    expect(tq.isEmpty()).to.be.equal(true);
    tq.add(2);
    expect(tq.isEmpty()).to.be.equal(false);
    tq.ready(tq.get());
    expect(tq.isEmpty()).to.be.equal(true);
  });

  it('should get', () => {
    const tq = new TaskQue<number, number>();
    tq.add(2);
    expect(tq.get().data).to.be.equal(2);
    expect(tq.get).to.throw();
  });
  it('should set ready', () => {
    const tq = new TaskQue<number, number>();
    tq.add(2);
    const task = tq.get();
    tq.ready(task);
    try {
      tq.ready(task);
      expect(false).to.be.equal(true); // should not reach
    } catch (e) {
      expect(e).not.to.be.equal(null);
    }
  });
});