test.js

var Promise = require('bluebird');
require('gsap');

var animate = require('./')(Promise, TweenLite);
var test = require('tape').test;

test('Promise wrapper around gsap / tweenlite', function(t) {
  t.test('Basic tests', function(st) {
    st.plan(4);

    st.equal(animate, animate.to, 'animate equals animate.to');

    var a = { value: 0 };
    animate.to(a, 0.5, { value: 1.0 }).then(function() {
      st.equal(a.value, 1, 'animate.to works');
    });

    var b = { value: 5 };
    animate.set(b, { delay: 0.5, value: 10 }).then(function() {
      st.equal(b.value, 10, 'animate.set with delay works');
    });

    var c = { value: 10 };
    animate.fromTo(c, 1.0, { value: 0 }, { value: 5 }).then(function() {
      st.equal(c.value, 5, 'animate.fromTo works');
    });
  });

  t.test('Promise all', function(st) {
    st.plan(1);

    var f = [{ value: 0 }, { value: 0 }, { value: 0 }, { value: 0 }, { value: 0 }, { value: 0 }];
    var to = { value: 100 };
    var timeout = setTimeout(function() {
      st.fail('not all promises resolved, are arguments being mutated?');
    }, 800);
    Promise.all([
      animate.set(f[0], to),
      animate.set(f[1], to),
      animate.to(f[2], 0.5, to),
      animate.to(f[3], 0.5, to),
      animate.fromTo(f[4], 0.5, { value: 0 }, to),
      animate.fromTo(f[5], 0.5, { value: 0 }, to)
    ]).then(function() {
      clearTimeout(timeout);

      st.assert(
        f.every(function(item) {
          return item.value === to.value;
        }),
        'all promises resolved'
      );
    });
  });
});