path: root/spec/spec/element.js

describe('Element', function() {

  beforeEach(function() {
    draw.clear()
    draw.attr('viewBox', null)
  })

  it('should create a circular reference on the node', function() {
    var rect = draw.rect(100,100)
    expect(rect.node.instance).toBe(rect)
  })

  describe('native()', function() {
    it('returns the node reference', function() {
      var rect = draw.rect(100,100)
      expect(rect.native()).toBe(rect.node)
    })
  })

  describe('attr()', function() {
    var rect

    beforeEach(function() {
      rect = draw.rect(100,100)
    })

    afterEach(function() {
      rect.remove()
      draw.defs().select('pattern').each(function() { this.remove() })
    })

    it('sets one attribute when two arguments are given', function() {
      rect.attr('fill', '#ff0066')
      expect(rect.node.getAttribute('fill')).toBe('#ff0066')
    })
    it('sets various attributes when an object is given', function() {
      rect.attr({ fill: '#00ff66', stroke: '#ff2233', 'stroke-width': 10 })
      expect(rect.node.getAttribute('fill')).toBe('#00ff66')
      expect(rect.node.getAttribute('stroke')).toBe('#ff2233')
      expect(rect.node.getAttribute('stroke-width')).toBe('10')
    })
    it('gets the value of the string value given as first argument', function() {
      rect.attr('fill', '#ff0066')
      expect(rect.attr('fill')).toEqual('#ff0066')
    })
    it('gets an object with all attributes without any arguments', function() {
      rect.attr({ fill: '#00ff66', stroke: '#ff2233' })
      var attr = rect.attr()
      expect(attr.fill).toBe('#00ff66')
      expect(attr.stroke).toBe('#ff2233')
    })
    it('removes an attribute if the second argument is explicitly set to null', function() {
      rect.attr('stroke-width', 10)
      expect(rect.node.getAttribute('stroke-width')).toBe('10')
      rect.attr('stroke-width', null)
      expect(rect.node.getAttribute('stroke-width')).toBe(null)
    })
    it('correctly parses numeric values as a getter', function() {
      rect.attr('stroke-width', 11)
      expect(rect.node.getAttribute('stroke-width')).toBe('11')
      expect(rect.attr('stroke-width')).toBe(11)
    })
    it('correctly parses negative numeric values as a getter', function() {
      rect.attr('x', -120)
      expect(rect.node.getAttribute('x')).toBe('-120')
      expect(rect.attr('x')).toBe(-120)
    })
    it('falls back on default values if attribute is not present', function() {
      expect(rect.attr('stroke-linejoin')).toBe('miter')
    })
    it('gets the "style" attribute as a string', function() {
      rect.style('cursor', 'pointer')
      expect(rect.node.style.cursor).toBe('pointer')
    })
    it('redirects to the style() method when setting a style string', function() {
      rect.attr('style', 'cursor:move;')
      expect(rect.node.style.cursor).toBe('move')
    })
    it('removes style attribute on node if the style is empty', function() {
      rect.style('cursor', 'move')
      rect.style('cursor', '')
      expect(rect.style.cursor).toBe(undefined)
    })
    it('acts as a global getter when no arguments are given', function() {
      rect.fill('#ff0066')
      expect(rect.attr().fill).toBe('#ff0066')
    })
    it('correctly parses numeric values as a global getter', function() {
      rect.stroke({ width: 20 })
      expect(rect.attr()['stroke-width']).toBe(20)
    })
    it('correctly parses negative numeric values as a global getter', function() {
      rect.x(-30)
      expect(rect.attr().x).toBe(-30)
    })
    it('leaves unit values alone as a global getter', function() {
      rect.attr('x', '69%')
      expect(rect.attr().x).toBe('69%')
    })
    it('creates an image in defs when image path is specified for fill', function() {
      rect.attr('fill', imageUrl)
      expect(draw.defs().select('pattern').length()).toBe(1)
      expect(draw.defs().select('pattern image').length()).toBe(1)
      expect(draw.defs().select('pattern image').first().src).toBe(imageUrl)
    })
    it('creates pattern in defs when image object is specified for fill', function() {
      rect.attr('fill', new SVG.Image().load(imageUrl))
      expect(draw.defs().select('pattern').length()).toBe(1)
      expect(draw.defs().select('pattern image').length()).toBe(1)
      expect(draw.defs().select('pattern image').first().src).toBe(imageUrl)
    })
    it('correctly creates SVG.Array if array given', function() {
      rect.attr('something', [2,3,4])
      expect(rect.attr('something')).toBe('2 3 4')
    })
    it('redirects to the leading() method when setting leading', function() {
      var text = draw.text(loremIpsum)
      spyOn(text, 'leading')

      text.attr('leading', 2)
      expect(text.leading).toHaveBeenCalled()
      text.remove()
    })
  })

  describe('id()', function() {
    var rect

    beforeEach(function() {
      rect = draw.rect(100,100)
    })

    it('gets the value if the id attribute without an argument', function() {
      expect(rect.id()).toBe(rect.attr('id'))
    })
    it('sets the value of the id', function() {
      rect.id('new_id')
      expect(rect.attr('id')).toBe('new_id')
    })
  })

  describe('style()', function() {
    it('sets the style with key and value arguments', function() {
      var rect = draw.rect(100,100).style('cursor', 'crosshair')
      expect(stripped(rect.node.style.cssText)).toBe('cursor:crosshair;')
    })
    it('sets multiple styles with an object as the first argument', function() {
      var rect = draw.rect(100,100).style({ cursor: 'help', display: 'block' })
      expect(stripped(rect.node.style.cssText)).toMatch(/cursor:help;/)
      expect(stripped(rect.node.style.cssText)).toMatch(/display:block;/)
      expect(stripped(rect.node.style.cssText).length).toBe(('display:block;cursor:help;').length)
    })
    it('gets a style with a string key as the fists argument', function() {
      var rect = draw.rect(100,100).style({ cursor: 'progress', display: 'block' })
      expect(rect.style('cursor')).toBe('progress')
    })
    it('gets a style with a string key as the fists argument', function() {
      var rect = draw.rect(100,100).style({ cursor: 's-resize', display: 'none' })
      expect(stripped(rect.style())).toMatch(/display:none;/)
      expect(stripped(rect.style())).toMatch(/cursor:s-resize;/)
      expect(stripped(rect.style()).length).toBe(('cursor:s-resize;display:none;').length)
    })
    it('removes a style if the value is an empty string', function() {
      var rect = draw.rect(100,100).style({ cursor: 'n-resize', display: '' })
      expect(stripped(rect.style())).toBe('cursor:n-resize;')
    })
    it('removes a style if the value explicitly set to null', function() {
      var rect = draw.rect(100,100).style('cursor', 'w-resize')
      expect(stripped(rect.style())).toBe('cursor:w-resize;')
      rect.style('cursor', null)
      expect(rect.style()).toBe('')
    })
  })

  describe('transform()', function() {
    var rect, ctm

    beforeEach(function() {
      rect = draw.rect(100,100)
    })

    it('gets the current transformations', function() {
      expect(rect.transform()).toEqual(new SVG.Matrix(rect).extract())
    })
    it('sets the translation of and element', function() {
      rect.transform({ x: 10, y: 11 })
      expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0,1,10,11)')
    })
    it('performs an absolute translation', function() {
      rect.transform({ x: 10, y: 11 }).transform({ x: 20, y: 21 })
      expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0,1,20,21)')
    })
    it('performs a relative translation when relative is set to true', function() {
      rect.transform({ x: 10, y: 11 }).transform({ x: 20, y: 21, relative: true })
      expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0,1,30,32)')
    })
    it('performs a relative translation with relative flag', function() {
      rect.transform({ x: 10, y: 11 }).transform({ x: 20, y: 21 }, true)
      expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0,1,30,32)')
    })
    it('sets the scaleX and scaleY of an element', function() {
      rect.transform({ scaleX: 0.5, scaleY: 2 })
      expect(rect.node.getAttribute('transform')).toBe('matrix(0.5,0,0,2,25,-50)')
    })
    it('performs a uniform scale with scale given', function() {
      rect.transform({ scale: 3 })
      expect(rect.node.getAttribute('transform')).toBe('matrix(3,0,0,3,-100,-100)')
    })
    it('performs an absolute scale by default', function() {
      rect.transform({ scale: 3 }).transform({ scale: 0.5 })
      expect(rect.node.getAttribute('transform')).toBe('matrix(0.5,0,0,0.5,25,25)')
    })
    it('performs a relative scale with a relative flag', function() {
      rect.transform({ scaleX: 0.5, scaleY: 2 }).transform({ scaleX: 3, scaleY: 4 }, true)
      expect(rect.node.getAttribute('transform')).toBe('matrix(1.5,0,0,8,-25,-350)')
    })
    it('sets the skewX of an element with center on the element', function() {
      ctm = rect.transform({ skewX: 10 }).ctm()
      expect(ctm.a).toBe(1)
      expect(ctm.b).toBe(0)
      expect(ctm.c).toBeCloseTo(0.17632698070846498)
      expect(ctm.d).toBe(1)
      expect(ctm.e).toBeCloseTo(-8.81634903542325)
      expect(ctm.f).toBe(0)
    })
    it('sets the skewX of an element with given center', function() {
      ctm = rect.transform({ skewX: 10, cx: 0, cy: 0 }).ctm()
      expect(ctm.a).toBe(1)
      expect(ctm.b).toBe(0)
      expect(ctm.c).toBeCloseTo(0.17632698070846498)
      expect(ctm.d).toBe(1)
      expect(ctm.e).toBe(0)
      expect(ctm.f).toBe(0)
    })
    it('sets the skewY of an element', function() {
      ctm = rect.transform({ skewY: -10, cx: 0, cy: 0 }).ctm()
      expect(ctm.a).toBe(1)
      expect(ctm.b).toBeCloseTo(-0.17632698070846498)
      expect(ctm.c).toBe(0)
      expect(ctm.d).toBe(1)
      expect(ctm.e).toBe(0)
      expect(ctm.f).toBe(0)
    })
    it('sets the skewX and skewY of an element', function() {
      ctm = rect.transform({ skewX: 10, skewY: -10, cx: 0, cy: 0 }).ctm()
      expect(ctm.a).toBe(1)
      expect(ctm.b).toBeCloseTo(-0.17632698070846498)
      expect(ctm.c).toBeCloseTo(0.17632698070846498)
      expect(ctm.d).toBe(1)
      expect(ctm.e).toBe(0)
      expect(ctm.f).toBe(0)
    })
    it('performs a uniform skew with skew given', function() {
      ctm = rect.transform({ skew: 5, cx: 0, cy: 0 }).ctm()
      expect(ctm.a).toBe(1)
      expect(ctm.b).toBeCloseTo(0.08748866352592401)
      expect(ctm.c).toBeCloseTo(0.08748866352592401)
      expect(ctm.d).toBe(1)
      expect(ctm.e).toBe(0)
      expect(ctm.f).toBe(0)
    })
    it('rotates the element around its centre if no rotation point is given', function() {
      ctm = rect.center(100, 100).transform({ rotation: 45 }).ctm()
      expect(ctm.a).toBeCloseTo(0.7071068286895752)
      expect(ctm.b).toBeCloseTo(0.7071068286895752)
      expect(ctm.c).toBeCloseTo(-0.7071068286895752)
      expect(ctm.d).toBeCloseTo(0.7071068286895752)
      expect(ctm.e).toBeCloseTo(100)
      expect(ctm.f).toBeCloseTo(-41.421356201171875)
      expect(rect.transform('rotation')).toBe(45)
    })
    it('rotates the element around the given rotation point', function() {
      ctm = rect.transform({ rotation: 55, cx: 80, cy:2 }).ctm()
      expect(ctm.a).toBeCloseTo(0.5735765099525452)
      expect(ctm.b).toBeCloseTo(0.8191521167755127)
      expect(ctm.c).toBeCloseTo(-0.8191521167755127)
      expect(ctm.d).toBeCloseTo(0.5735765099525452)
      expect(ctm.e).toBeCloseTo(35.75218963623047)
      expect(ctm.f).toBeCloseTo(-64.67931365966797)
    })
    it('transforms element using a matrix', function() {
      rect.transform({ a: 0.5, c: 0.5 })
      expect(rect.node.getAttribute('transform')).toBe('matrix(0.5,0,0.5,1,0,0)')
    })
    it('transforms relative using a matrix', function() {
      rect.transform({ a: 0.5, c: 0.5 }).transform(new SVG.Matrix({ e: 20, f: 20 }), true)
      expect(rect.node.getAttribute('transform')).toBe('matrix(0.5,0,0.5,1,20,20)')
    })
    it('flips the element', function() {
      rect.transform({ flip: 'x' })
      expect(rect.node.getAttribute('transform')).toBe('matrix(-1,0,0,1,100,0)')
    })
    it('flips the element with offset', function() {
      rect.transform({ flip: 'x', offset: 20 })
      expect(rect.node.getAttribute('transform')).toBe('matrix(-1,0,0,1,40,0)')
    })
    it('flips the element on y axis with offset', function() {
      rect.transform({ flip: 'y', offset: 20 })
      expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0,-1,0,40)')
    })
  })

  describe('untransform()', function() {
    var circle

    beforeEach(function() {
      circle = draw.circle(100).translate(50, 100)
    })

    it('removes the transform attribute', function() {
      expect(circle.node.getAttribute('transform')).toBe('matrix(1,0,0,1,50,100)')
      circle.untransform()
      expect(circle.node.getAttribute('transform')).toBeNull()
    })
    it('resets the current transform matix', function() {
      expect(circle.ctm()).toEqual(new SVG.Matrix(1,0,0,1,50,100))
      circle.untransform()
      expect(circle.ctm()).toEqual(new SVG.Matrix)
    })
  })

  describe('matrixify', function() {
    var rect

    beforeEach(function() {
      rect = draw.rect(100, 100)
    })

    it('allow individual transform definitions to be separated by whitespace', function(){
      // One space
      rect.attr('transform', 'translate(20) translate(20)')
      expect(rect.matrixify().toString()).toBe('matrix(1,0,0,1,40,0)')

      // More than one space
      rect.attr('transform', 'translate(20)   translate(-60)')
      expect(rect.matrixify().toString()).toBe('matrix(1,0,0,1,-40,0)')
    })

    it('allow individual transform definitions to be separated by a comma', function(){
      rect.attr('transform', 'translate(20,16),translate(20)')
      expect(rect.matrixify().toString()).toBe('matrix(1,0,0,1,40,16)')
    })

    it('allow individual transform definitions to be separated by whitespace and a comma', function(){
      // Spaces before the comma
      rect.attr('transform', 'translate(20,16)  ,translate(20)')
      expect(rect.matrixify().toString()).toBe('matrix(1,0,0,1,40,16)')

      // Spaces after the comma
      rect.attr('transform', 'translate(12),  translate(10,14)')
      expect(rect.matrixify().toString()).toBe('matrix(1,0,0,1,22,14)')

      // Spaces before and after the comma
      rect.attr('transform', 'translate(24,14)  , translate(36,6)')
      expect(rect.matrixify().toString()).toBe('matrix(1,0,0,1,60,20)')
    })
  })

  describe('toParent()', function() {
    var nested, g1, g2, rect1

    beforeEach(function() {
      nested = draw.nested()
      g1 = nested.group().translate(20, 20)
      g2 = g1.group().translate(100, 100)
      rect1 = g2.rect(100,100).scale(2)
      rect2 = nested.rect(100,100).scale(0.5)
    })

    afterEach(function() {
      draw.clear()
    })

    it('returns itself when given parent and it is the same', function() {
      expect(g2.toParent(g2)).toBe(g2)
    })

    it('moves the element to other parent while maintaining the same visal representation', function() {
      expect(rect1.toParent(nested).transform()).toEqual(jasmine.objectContaining({
        a:2, b:0, c:0, d:2, e:70, f:70
      }))
      expect(rect1.parent()).toEqual(nested)
      expect(rect2.toParent(g2).transform()).toEqual(jasmine.objectContaining({
        a:0.5, b:0, c:0, d:0.5, e:-95, f:-95
      }))
      expect(rect2.parent()).toEqual(g2)
    })
  })

  describe('toDoc()', function() {
    var nested, g1, g2, rect

    beforeEach(function() {
      rect = draw.rect(100,100)
      spyOn(rect, 'toParent')
    })

    afterEach(function() {
      draw.clear()
    })

    it('redirects to toParent(doc)', function() {
      rect.toDoc()
      expect(rect.toParent).toHaveBeenCalledWith(rect.doc())
    })
  })

  describe('ungroup()', function() {
    var nested, g1, g2, rect1

    beforeEach(function() {
      draw.defs()
      nested = draw.nested()
      g1 = nested.group().translate(20, 20)
      g2 = g1.group().translate(100, 100)
      rect1 = g2.rect(100,100).scale(2)
      rect2 = g1.rect(100,100).scale(0.5)
    })

    afterEach(function() {
      draw.clear()
    })

    it('returns itself when depths is 0 or this is SVG.Defs', function() {
      expect(draw.defs().ungroup()).toBe(draw.defs())
      expect(g1.ungroup(null, 0)).toBe(g1)
    })

    it('breaks up all container and move the elements to the parent', function() {
      g1.ungroup()
      expect(rect1.parent()).toBe(nested)
      expect(rect2.parent()).toBe(nested)

      expect(g1.node.parentNode).toBeFalsy()
      expect(g2.node.parentNode).toBeFalsy()

      expect(rect1.transform()).toEqual(jasmine.objectContaining({
        a:2, b:0, c:0, d:2, e:70, f:70
      }))
      expect(rect2.transform()).toEqual(jasmine.objectContaining({
        a:0.5, b:0, c:0, d:0.5, e:45, f:45
      }))
    })

    it('ungroups everything to the doc root when called on SVG.Doc / does not ungroup defs', function() {
      draw.ungroup()
      expect(rect1.parent()).toBe(draw)
      expect(rect2.parent()).toBe(draw)

      expect(g1.node.parentNode).toBeFalsy()
      expect(g1.node.parentNode).toBeFalsy()
      expect(nested.node.parentNode).toBeFalsy()

      expect(rect1.transform()).toEqual(jasmine.objectContaining({
        a:2, b:0, c:0, d:2, e:70, f:70
      }))
      expect(rect2.transform()).toEqual(jasmine.objectContaining({
        a:0.5, b:0, c:0, d:0.5, e:45, f:45
      }))

      expect(draw.children().length).toBe(3) // 2 * rect + defs
    })
  })
  
  describe('flatten()', function() {
    it('redirects the call to ungroup()', function() {
      spyOn(draw, 'ungroup')
      draw.flatten()
      expect(draw.ungroup).toHaveBeenCalled()
    })
  })

  describe('ctm()', function() {
    var rect

    beforeEach(function() {
      rect = draw.rect(100, 100)
    })

    it('gets the current transform matrix of the element', function() {
      rect.translate(10, 20)
      expect(rect.ctm().toString()).toBe('matrix(1,0,0,1,10,20)')
    })
    it('returns an instance of SVG.Matrix', function() {
      expect(rect.ctm() instanceof SVG.Matrix).toBeTruthy()
    })
  })

  describe('data()', function() {
    it('sets a data attribute and convert value to json', function() {
      var rect = draw.rect(100,100).data('test', 'value')
      expect(rect.node.getAttribute('data-test')).toBe('value')
    })
    it('sets a data attribute and not convert value to json if flagged raw', function() {
      var rect = draw.rect(100,100).data('test', 'value', true)
      expect(rect.node.getAttribute('data-test')).toBe('value')
    })
    it('sets multiple data attributes and convert values to json when an object is passed', function() {
      var rect = draw.rect(100,100).data({
        forbidden: 'fruit'
      , multiple: {
          values: 'in'
        , an: 'object'
        }
      })
      expect(rect.node.getAttribute('data-forbidden')).toBe('fruit')
      expect(rect.node.getAttribute('data-multiple')).toEqual('{"values":"in","an":"object"}')
    })
    it('gets data value if only one argument is passed', function() {
      var rect = draw.rect(100,100).data('test', 101)
      expect(rect.data('test')).toBe(101)
    })
    it('gets the raw value when value is no valid json', function() {
      var rect = draw.rect(100,100).data('test', '{["sd":12}]', true)
      expect(rect.data('test')).toBe('{["sd":12}]')
    })
    it('removes data when null given', function() {
      var rect = draw.rect(100,100).data('test', '{"sd":12}', true)
      expect(rect.data('test', null).attr('data-test')).toBeFalsy()
    })
    it('maintains data type for a number', function() {
      var rect = draw.rect(100,100).data('test', 101)
      expect(typeof rect.data('test')).toBe('number')
    })
    it('maintains data type for an object', function() {
      var rect = draw.rect(100,100).data('test', { string: 'value', array: [1,2,3] })
      expect(typeof rect.data('test')).toBe('object')
      expect(Array.isArray(rect.data('test').array)).toBe(true)
    })
  })

  describe('remove()', function() {
    it('removes an element and return it', function() {
      var rect = draw.rect(100,100)
      expect(rect.remove()).toBe(rect)
    })
    it('removes an element from its parent', function() {
      var rect = draw.rect(100,100)
      rect.remove()
      expect(draw.has(rect)).toBe(false)
    })
  })

  describe('addTo()', function() {
    it('adds an element to a given parent and returns itself', function() {
      var rect  = draw.rect(100,100)
        , group = draw.group()

      expect(rect.addTo(group)).toBe(rect)
      expect(rect.parent()).toBe(group)
    })
  })

  describe('putIn()', function() {
    it('adds an element to a given parent and returns parent', function() {
      var rect  = draw.rect(100,100)
        , group = draw.group()

      expect(rect.putIn(group)).toBe(group)
      expect(rect.parent()).toBe(group)
    })
  })

  describe('rbox()', function() {
    it('returns an instance of SVG.RBox', function() {
      var rect = draw.rect(100,100)
      expect(rect.rbox() instanceof SVG.RBox).toBe(true)
    })
    it('returns the correct rectangular box', function() {
      var rect = draw.size(200, 150).viewbox(0, 0, 200, 150).rect(105, 210).move(2, 12)
      var box = rect.rbox()
      expect(box.x).toBeCloseTo(2, 0)
      expect(box.y).toBeCloseTo(12, 0)
      expect(box.cx).toBeCloseTo(54.5)
      expect(box.cy).toBeCloseTo(117, 0)
      expect(box.width).toBe(105)
      expect(box.height).toBe(210)
    })
    it('returns the correct rectangular box within a viewbox', function() {
      var rect = draw.size(200,150).viewbox(0,0,100,75).rect(105,210).move(2,12)
      var box = rect.rbox()
      expect(box.x).toBeCloseTo(4)
      expect(box.y).toBeCloseTo(24, 0)
      expect(box.cx).toBeCloseTo(56.5)
      expect(box.cy).toBeCloseTo(129, 0)
      expect(box.width).toBe(105)
      expect(box.height).toBe(210)
    })
  })

  describe('doc()', function() {
    it('returns the parent document', function() {
      var rect = draw.rect(100,100)
      expect(rect.doc()).toBe(draw)
    })
  })

  describe('parent()', function() {
    it('contains the parent svg', function() {
      var rect = draw.rect(100,100)
      expect(rect.parent()).toBe(draw)
    })
    it('contains the parent group when in a group', function() {
      var group = draw.group()
        , rect = group.rect(100,100)
      expect(rect.parent()).toBe(group)
    })
    it('contains the parent which matches type', function() {
      var group = draw.group()
        , rect = group.rect(100,100)
      expect(rect.parent(SVG.Doc)).toBe(draw)
    })
    it('contains the parent which matches selector', function() {
      var group1 = draw.group().addClass('test')
        , group2 = group1.group()
        , rect = group2.rect(100,100)
      expect(rect.parent('.test')).toBe(group1)
    })
  })

  describe('parents()', function() {
    it('returns array of parent up to but not including the dom element filtered by type', function() {
      var group1 = draw.group().addClass('test')
        , group2 = group1.group()
        , rect = group2.rect(100,100)

      expect(rect.parents('.test')[0]).toBe(group1)
      expect(rect.parents(SVG.G)[0]).toBe(group2)
      expect(rect.parents(SVG.G)[1]).toBe(group1)
      expect(rect.parents().length).toBe(3)
    })
  })

  describe('clone()', function() {
    var rect, group, circle

    beforeEach(function() {
      rect   = draw.rect(100,100).center(321,567).fill('#f06')
      group  = draw.group().add(rect)
      circle = group.circle(100)
    })

    it('makes an exact copy of the element', function() {
      clone = rect.clone()
      expect(clone.attr('id', null).attr()).toEqual(rect.attr('id', null).attr())
    })
    it('assigns a new id to the cloned element', function() {
      clone = rect.clone()
      expect(clone.attr('id')).not.toBe(rect.attr('id'))
    })
    it('copies all child nodes as well', function() {
      clone = group.clone()
      expect(clone.children().length).toBe(group.children().length)
    })
    it('assigns a new id to cloned child elements', function() {
      clone = group.clone()
      expect(clone.attr('id')).not.toEqual(group.attr('id'))
      expect(clone.get(0).attr('id')).not.toBe(group.get(0).attr('id'))
      expect(clone.get(1).attr('id')).not.toBe(group.get(1).attr('id'))
    })
    it('inserts the clone after the cloned element', function() {
      clone = rect.clone()
      expect(rect.next()).toBe(clone)
    })
    it('inserts the clone in the specided parent', function() {
      var g = draw.group()
      clone = rect.clone(g)
      expect(g.get(0)).toBe(clone)
    })
  })

  describe('toString()', function() {
    it('returns the element id', function() {
      var rect = draw.rect(100,100).center(321,567).fill('#f06')
      expect(rect + '').toBe(rect.attr('id'))
    })
  })

  describe('replace()', function() {
    it('replaces the original element by another given element', function() {
      var rect = draw.rect(100,100).center(321,567).fill('#f06')
      var circle = draw.circle(200)
      var rectIndex = draw.children().indexOf(rect)

      rect.replace(circle)

      expect(rectIndex).toBe(draw.children().indexOf(circle))
    })
    it('removes the original element', function() {
      var rect = draw.rect(100,100).center(321,567).fill('#f06')

      rect.replace(draw.circle(200))

      expect(draw.has(rect)).toBe(false)
    })
    it('returns the new element', function() {
      var circle  = draw.circle(200)
      var element = draw.rect(100,100).center(321,567).fill('#f06').replace(circle)

      expect(element).toBe(circle)
    })
  })

  describe('classes()', function() {
    it('returns an array of classes on the node', function() {
      var element = draw.rect(100,100)
      element.node.setAttribute('class', 'one two')
      expect(element.classes()).toEqual(['one', 'two'])
    })
  })

  describe('hasClass()', function() {
    it('returns true if the node has the class', function() {
      var element = draw.rect(100,100)
      element.node.setAttribute('class', 'one')
      expect(element.hasClass('one')).toBeTruthy()
    })

    it('returns false if the node does not have the class', function() {
      var element = draw.rect(100,100)
      element.node.setAttribute('class', 'one')
      expect(element.hasClass('two')).toBeFalsy()
    })
  })

  describe('addClass()', function() {
    it('adds the class to the node', function() {
      var element = draw.rect(100,100)
      element.addClass('one')
      expect(element.hasClass('one')).toBeTruthy()
    })

    it('does not add duplicate classes', function() {
      var element = draw.rect(100,100)
      element.addClass('one')
      element.addClass('one')
      expect(element.node.getAttribute('class')).toEqual('one')
    })

    it('returns the svg instance', function() {
      var element = draw.rect(100,100)
      expect(element.addClass('one')).toEqual(element)
    })
  })

  describe('removeClass()', function() {
    it('removes the class from the node when the class exists', function() {
      var element = draw.rect(100,100)
      element.addClass('one')
      element.removeClass('one')
      expect(element.hasClass('one')).toBeFalsy()
    })

    it('does nothing when the class does not exist', function() {
      var element = draw.rect(100,100)
      element.removeClass('one')
      expect(element.hasClass('one')).toBeFalsy()
    })

    it('returns the element', function() {
      var element = draw.rect(100,100)
      expect(element.removeClass('one')).toEqual(element)
    })
  })

  describe('toggleClass()', function() {
    it('adds the class when it does not already exist', function(){
      var element = draw.rect(100,100)
      element.toggleClass('one')
      expect(element.hasClass('one')).toBeTruthy()
    })
    it('removes the class when it already exists', function(){
      var element = draw.rect(100,100)
      element.addClass('one')
      element.toggleClass('one')
      expect(element.hasClass('one')).toBeFalsy()
    })
    it('returns the svg instance', function() {
      var element = draw.rect(100,100)
      expect(element.toggleClass('one')).toEqual(element)
    })
  })

  describe('reference()', function() {
    it('gets a referenced element from a given attribute', function() {
      var rect = draw.defs().rect(100, 100)
        , use  = draw.use(rect)
        , mark = draw.marker(10, 10)
        , path = draw.path(svgPath).marker('end', mark)

      expect(use.reference('href')).toBe(rect)
      expect(path.reference('marker-end')).toBe(mark)
    })
  })

  describe('svg()', function() {
    describe('without an argument', function() {
      it('returns full raw svg when called on the main svg doc', function() {
        draw.size(100,100).rect(100,100).id(null)
        draw.circle(100).fill('#f06').id(null)

        var toBeTested = draw.svg()

        // Test for different browsers namely Firefox and Chrome
        expect(
            toBeTested === '<svg xmlns:svgjs="http://svgjs.com/svgjs" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" xmlns="http://www.w3.org/2000/svg" height="100" width="100" id="' + draw.id() + '"><rect height="100" width="100"></rect><circle fill="#ff0066" cy="50" cx="50" r="50"></circle></svg>'
         || toBeTested === '<svg id="' + draw.id() + '" width="100" height="100" xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svgjs="http://svgjs.com/svgjs"><rect width="100" height="100"></rect><circle r="50" cx="50" cy="50" fill="#ff0066"></circle></svg>').toBeTruthy()

      })
      it('returns partial raw svg when called on a sub group', function() {
        var group = draw.group().id(null)
        group.rect(100,100).id(null)
        group.circle(100).fill('#f06').id(null)

        var toBeTested = group.svg()

        expect(
            toBeTested === '<g><rect width="100" height="100"></rect><circle r="50" cx="50" cy="50" fill="#ff0066"></circle></g>'
         || toBeTested === '<g><rect height="100" width="100"></rect><circle fill="#ff0066" cy="50" cx="50" r="50"></circle></g>').toBeTruthy()
      })
      it('returns a single element when called on an element', function() {
        var group = draw.group().id(null)
        group.rect(100,100).id(null)
        var circle = group.circle(100).fill('#f06').id(null)
        var toBeTested = circle.svg()

        expect(
            toBeTested === '<circle r="50" cx="50" cy="50" fill="#ff0066"></circle>'
         || toBeTested === '<circle fill="#ff0066" cy="50" cx="50" r="50"></circle>').toBeTruthy()
      })
    })
    describe('with raw svg given', function() {
      it('imports a full svg document', function() {
        draw.svg('<svg id="SvgjsSvg1000" xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" width="100" height="100" viewBox="0 0 50 50"><rect id="SvgjsRect1183" width="100" height="100"></rect><circle id="SvgjsCircle1184" r="50" cx="25" cy="25" fill="#ff0066"></circle></svg>')
        expect(draw.get(0).type).toBe('svg')
        expect(draw.get(0).children().length).toBe(2)
        expect(draw.get(0).get(0).type).toBe('rect')
        expect(draw.get(0).get(1).type).toBe('circle')
        expect(draw.get(0).get(1).attr('fill')).toBe('#ff0066')
      })
      it('imports partial svg content', function() {
        draw.svg('<g id="SvgjsG1185"><rect id="SvgjsRect1186" width="100" height="100"></rect><circle id="SvgjsCircle1187" r="50" cx="25" cy="25" fill="#ff0066"></circle></g>')
        expect(draw.get(0).type).toBe('g')
        expect(draw.get(0).get(0).type).toBe('rect')
        expect(draw.get(0).get(1).type).toBe('circle')
        expect(draw.get(0).get(1).attr('fill')).toBe('#ff0066')
      })
      it('does not import on single elements, even with an argument it acts as a getter', function() {
        var rect   = draw.rect(100,100).id(null)
          , result = rect.svg('<circle r="300"></rect>')
        expect(
            result === '<rect width="100" height="100"></rect>'
         || result === '<rect height="100" width="100"></rect>').toBeTruthy()
      })
    })
  })

  describe('writeDataToDom()', function() {
    it('set all properties in el.dom to the svgjs:data attribute', function(){
      var rect = draw.rect(100,100)
      rect.dom.foo = 'bar'
      rect.dom.number = new SVG.Number('3px')

      rect.writeDataToDom()

      expect(rect.attr('svgjs:data')).toBe('{"foo":"bar","number":"3px"}')
    })
    it('recursively dumps the data', function() {
      var g = draw.group()
      rect = g.rect(100,100)
      g.dom.foo = 'bar'
      rect.dom.number = new SVG.Number('3px')

      g.writeDataToDom()

      expect(g.attr('svgjs:data')).toBe('{"foo":"bar"}')
      expect(rect.attr('svgjs:data')).toBe('{"number":"3px"}')
    })
    it('uses lines() instead of each() when dealing with text', function() {
      var text = draw.text('Hello\nWorld')
      text.writeDataToDom()
      expect(text.attr('svgjs:data')).toBe('{"leading":"1.3"}')
      expect(text.lines().first().attr('svgjs:data')).toBe('{"newLined":true}')
    })
  })

  describe('setData()', function() {
    it('read all data from the svgjs:data attribute and assign it to el.dom', function(){
      var rect = draw.rect(100,100)

      rect.attr('svgjs:data', '{"foo":"bar","number":"3px"}')
      rect.setData(JSON.parse(rect.attr('svgjs:data')))

      expect(rect.dom.foo).toBe('bar')
      expect(rect.dom.number).toBe('3px')
    })
  })

  describe('point()', function() {
    it('creates a point from screen coordinates transformed in the elements space', function(){
      var rect = draw.rect(100,100)

      var m = draw.node.getScreenCTM()
      // alert([m.a, m.a, m.c, m.d, m.e, m.f].join(', '))

      var translation = {x: m.e, y: m.f}
      var pos = {x: 2, y:5}

      expect(rect.point(pos.x, pos.y).x).toBeCloseTo(pos.x - translation.x)
      expect(rect.point(pos.x, pos.y).y).toBeCloseTo(pos.y - translation.y)
    })
  })

  describe('inside()', function() {
    it('checks whether the given point inside the bounding box of the element', function() {
      var rect = draw.rect(100,100)
      expect(rect.inside(50,50)).toBeTruthy()
      expect(rect.inside(150,150)).toBeFalsy()
    })
  })
  describe('show()', function() {
    it('sets display property to ""', function() {
      var rect = draw.rect(100,100).show()
      expect(rect.style('display')).toBe('')
    })
  })
  describe('hide()', function() {
    it('sets display property to none', function() {
      var rect = draw.rect(100,100).hide()
      expect(rect.style('display')).toBe('none')
    })
  })
  describe('visible()', function() {
    it('checks if element is hidden or not', function() {
      var rect = draw.rect(100,100).hide()
      expect(rect.visible()).toBeFalsy()
      rect.show()
      expect(rect.visible()).toBeTruthy()
    })
  })
  describe('is()', function() {
    it('checks if element is instance of a certain kind', function() {
      var rect = draw.rect(100,100)
      expect(rect.is(SVG.Rect)).toBeTruthy()
      expect(rect.is(SVG.Element)).toBeTruthy()
      expect(rect.is(SVG.Parent)).toBeFalsy()
    })
  })
})