wowjs-shadow/test/specs/wow.spec.js

This Fork it's for using HTMLElements instead of string selectors in ScrollContainer property, which that means that you can pass Elements that are not reachable by selectors such as Elements inside Shadow Dom.

describe('WOW', function() {
  var timeout, winHeight;
  // Supress warnings:
  window.console = {
    warn: function() {}
  };
  // Time to wait after each scroll event:
  // (This should be >= the interval used by the plugin.)
  timeout = 100;
  // Height of the PhantomJS window:
  winHeight = 300;
  describe('smoke test', function() {
    it('exists', function() {
      return expect(WOW).toBeDefined();
    });
    return it("has an 'init' method", function() {
      return expect(new WOW().init).toBeDefined();
    });
  });
  describe('simple test environment', function() {
    beforeEach(function() {
      return loadFixtures('simple.html');
    });
    it('emulates window height', function() {
      return expect(document.documentElement.clientHeight).toBe(winHeight);
    });
    return it('has boxes set up for testing', function() {
      var boxCount, boxHeight, offset, style;
      boxHeight = 200;
      boxCount = $('#simple').children().length;
      // Check each box height
      expect($('#simple').height()).toBe(boxHeight * boxCount);
      expect($('#simple-1').height()).toBe(boxHeight);
      expect($('#simple-2').height()).toBe(boxHeight);
      expect($('#simple-3').height()).toBe(boxHeight);
      expect($('#simple-4').height()).toBe(boxHeight);
      expect($('#simple-5').height()).toBe(boxHeight);
      // Check each box offset
      offset = $('#simple').offset().top;
      expect($('#simple-1').offset().top).toBe(offset + boxHeight * 0);
      expect($('#simple-2').offset().top).toBe(offset + boxHeight * 1);
      expect($('#simple-3').offset().top).toBe(offset + boxHeight * 2);
      expect($('#simple-4').offset().top).toBe(offset + boxHeight * 3);
      expect($('#simple-5').offset().top).toBe(offset + boxHeight * 4);
      style = $('#simple-5')[0].style;
      expect(style.background).toBe('yellow');
      return expect(style.color).toBe('red');
    });
  });
  describe('library behaviour', function() {
    var wow;
    wow = null;
    beforeEach(function(done) {
      loadFixtures('simple.html');
      (wow = new WOW).init();
      return setTimeout(function() {
        return done();
      }, timeout);
    });
    it('animates elements that are fully visible on the page', function() {
      expect($('#simple-1')).toHaveClass('animated');
      return expect($('#simple-1').css('visibility')).toBe('visible');
    });
    it("does not touch elements that don't have the marker class", function() {
      expect($('#simple-2')).not.toHaveClass('animated');
      return expect($('#simple-2').css('visibility')).toBe('visible');
    });
    it('does not animate elements not yet visible on the page', function() {
      expect($('#simple-3')).not.toHaveClass('animated');
      expect($('#simple-3').css('visibility')).not.toBe('visible');
      expect($('#simple-4')).not.toHaveClass('animated');
      return expect($('#simple-4').css('visibility')).not.toBe('visible');
    });
    it('animates elements after scrolling down and they become visible', function(done) {
      // Scroll down so that 150px of #simple-3 becomes visible.
      window.scrollTo(0, $('#simple-3').offset().top - winHeight + 150);
      return setTimeout(function() {
        expect($('#simple-3')).toHaveClass('animated');
        expect($('#simple-3').css('visibility')).toBe('visible');
        expect($('#simple-4')).not.toHaveClass('animated');
        expect($('#simple-4').css('visibility')).not.toBe('visible');
        // Scroll down so that 150px of #simple-4 becomes visible.
        window.scrollTo(0, $('#simple-4').offset().top - winHeight + 150);
        return setTimeout(function() {
          expect($('#simple-4')).toHaveClass('animated');
          expect($('#simple-4').css('visibility')).toBe('visible');
          return done();
        }, timeout);
      }, timeout);
    });
    it('does not tamper with the style attribute', function(done) {
      // Scroll down so that 150px of #simple-5 becomes visible.
      window.scrollTo(0, $('#simple-5').offset().top - winHeight + 150);
      return setTimeout(function() {
        expect($('#simple-5')).toHaveClass('animated');
        expect($('#simple-5').css('visibility')).toBe('visible');
        expect($('#simple-5')[0].style.background).toBe('yellow');
        expect($('#simple-5')[0].style.color).toBe('red');
        return done();
      }, timeout);
    });
    it('works with asynchronously loaded content', function(done) {
      $('#simple').append($('<div/>', {
        id: 'simple-6',
        class: 'wow'
      }));
      wow.sync();
      // Scroll down so that 150px of #simple-6 becomes visible.
      window.scrollTo(0, $('#simple-6').offset().top - winHeight + 150);
      return setTimeout(function() {
        expect($('#simple-6')).toHaveClass('animated');
        expect($('#simple-6').css('visibility')).toBe('visible');
        return done();
      }, timeout);
    });
    return it('works with asynchronously loaded nested content', function(done) {
      $('#simple').append($('<div/>')).children().first().append($('<div/>', {
        id: 'simple-7',
        class: 'wow'
      }));
      wow.sync();
      // Scroll down so that 150px of #simple-7 becomes visible.
      window.scrollTo(0, $('#simple-7').offset().top - winHeight + 150);
      return setTimeout(function() {
        expect($('#simple-7')).toHaveClass('animated');
        expect($('#simple-7').css('visibility')).toBe('visible');
        return done();
      }, timeout);
    });
  });
  describe('custom test environment', function() {
    beforeEach(function() {
      return loadFixtures('custom.html');
    });
    it('emulates window height', function() {
      return expect(document.documentElement.clientHeight).toBe(winHeight);
    });
    return it('has boxes set up for testing', function() {
      var offset;
      // Check each box height
      expect($('#custom').height()).toBe(800);
      expect($('#custom-1').height()).toBe(200);
      expect($('#custom-2').height()).toBe(200);
      expect($('#custom-3').height()).toBe(200);
      expect($('#custom-4').height()).toBe(200);
      // Check each box offset
      offset = $('#custom').offset().top;
      expect($('#custom-1').offset().top).toBe(offset + 200 * 0);
      expect($('#custom-2').offset().top).toBe(offset + 200 * 1);
      expect($('#custom-3').offset().top).toBe(offset + 200 * 2);
      return expect($('#custom-4').offset().top).toBe(offset + 200 * 3);
    });
  });
  return describe('library behaviour with custom settings', function() {
    var called;
    called = false;
    beforeEach(function(done) {
      called = false;
      loadFixtures('custom.html');
      new WOW({
        boxClass: 'block',
        animateClass: 'fancy',
        offset: 10,
        callback: function() {
          return called = true;
        }
      }).init();
      // Trigger custom event on dom object, event name is boxClass value
      $('.block').on('block', function() {
        return $(this).addClass('triggered');
      });
      return setTimeout(function() {
        return done();
      }, timeout);
    });
    it("creates two instances of the WOW.js with different configs", function() {
      var wow1, wow2;
      wow1 = new WOW({
        boxClass: 'block1',
        animateClass: 'fancy1',
        offset: 10
      });
      wow2 = new WOW({
        boxClass: 'block2',
        animateClass: 'fancy2',
        offset: 20
      });
      expect(wow1.config.boxClass).toBe("block1");
      expect(wow1.config.animateClass).toBe("fancy1");
      return expect(wow1.config.offset).toBe(10);
    });
    it("does not touch elements that don't have the marker class", function(done) {
      // Scroll down so that 15px of #custom-1 becomes visible.
      window.scrollTo(0, $('#custom-1').offset().top - winHeight + 15);
      return setTimeout(function() {
        expect($('#custom-1')).not.toHaveClass('fancy');
        return done();
      }, timeout);
    });
    it("animates elements that are partially visible on the page based on the 'offset' config", function(done) {
      return setTimeout(function() {
        // Scroll down so that 5px of #custom-2 becomes visible.
        window.scrollTo(0, $('#custom-2').offset().top - winHeight + 5);
        expect($('#custom-2')).not.toHaveClass('fancy');
        window.scrollTo(0, $('#custom-2').offset().top - winHeight + 15);
        return setTimeout(function() {
          // Scroll down so that 15px of #custom-2 becomes visible.
          expect($('#custom-2')).toHaveClass('fancy');
          expect($('#custom-2').css('visibility')).toBe('visible');
          return done();
        }, timeout);
      }, timeout);
    });
    it('does not animate elements not yet visible on the page', function() {
      expect($('#custom-3')).not.toHaveClass('fancy');
      return expect($('#custom-4')).not.toHaveClass('fancy');
    });
    it('animates elements after scrolling down and they become visible', function(done) {
      // Scroll down so that 150px of #custom-3 becomes visible.
      window.scrollTo(0, $('#custom-3').offset().top - winHeight + 150);
      return setTimeout(function() {
        expect($('#custom-3')).toHaveClass('fancy');
        expect($('#custom-3').css('visibility')).toBe('visible');
        expect($('#custom-3')[0].style.webkitAnimationIterationCount).toBe('2');
        expect($('#custom-4')).not.toHaveClass('fancy');
        // Scroll down so that 150px of #custom-4 becomes visible.
        window.scrollTo(0, $('#custom-4').offset().top - winHeight + 150);
        return setTimeout(function() {
          expect($('#custom-4')).toHaveClass('fancy');
          expect($('#custom-4').css('visibility')).toBe('visible');
          expect($('#custom-4')[0].style.webkitAnimationIterationCount).toBe('infinite');
          expect($('#custom-4')[0].style.webkitAnimationDuration).toBe('2s');
          expect($('#custom-4')[0].style.webkitAnimationDelay).toBe('1s');
          return done();
        }, timeout);
      }, timeout);
    });
    it("fires the callback", function(done) {
      called = false; // reset
      // Scroll down so that 150px of #custom-3 becomes visible.
      window.scrollTo(0, $('#custom-3').offset().top - winHeight + 150);
      return setTimeout(function() {
        expect(called).toBe(true);
        return done();
      }, timeout);
    });
    return it('fires the callback on the visible element', function(done) {
      // Scroll down so that 150px of #custom-3 becomes visible.
      window.scrollTo(0, $('#custom-3').offset().top - winHeight + 150);
      return setTimeout(function() {
        expect($('#custom-3')).toHaveClass('triggered');
        expect($('#custom-4')).not.toHaveClass('triggered');
        // Scroll down so that 150px of #custom-4 becomes visible.
        window.scrollTo(0, $('#custom-4').offset().top - winHeight + 150);
        return setTimeout(function() {
          expect($('#custom-3')).toHaveClass('triggered');
          expect($('#custom-4')).toHaveClass('triggered');
          return done();
        }, timeout);
      }, timeout);
    });
  });
});