aboutsummaryrefslogtreecommitdiffstats
path: root/spec/spec/polyline.js
blob: f9597957d47112337764f7de0c52d32384af5e9c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
describe('Polyline', function() {
  var polyline
  
  beforeEach(function() {
    polyline = draw.polyline('0,0 100,0 100,100 0,100')
  })
  
  afterEach(function() {
    draw.clear()
  })
  
  describe('x()', function() {
    it('should return the value of x without an argument', function() {
      expect(polyline.x()).toBe(0)
    })
    it('should set the value of x with the first argument', function() {
      polyline.x(123)
      var box = polyline.bbox()
      expect(box.x).toBe(123)
    })
  })
  
  describe('y()', function() {
    it('should return the value of y without an argument', function() {
      expect(polyline.y()).toBe(0)
    })
    it('should set the value of y with the first argument', function() {
      polyline.y(345)
      var box = polyline.bbox()
      expect(box.y).toBe(345)
    })
  })
  
  describe('cx()', function() {
    it('should return the value of cx without an argument', function() {
      expect(polyline.cx()).toBe(50)
    })
    it('should set the value of cx with the first argument', function() {
      polyline.cx(123)
      var box = polyline.bbox()
      expect(box.cx).toBe(123)
    })
  })
  
  describe('cy()', function() {
    it('should return the value of cy without an argument', function() {
      expect(polyline.cy()).toBe(50)
    })
    it('should set the value of cy with the first argument', function() {
      polyline.cy(345)
      var box = polyline.bbox()
      expect(box.cy).toBe(345)
    })
  })
  
  describe('move()', function() {
    it('should set the x and y position', function() {
      polyline.move(123,456)
      var box = polyline.bbox()
      expect(box.x).toBe(123)
      expect(box.y).toBe(456)
    })
  })
  
  describe('center()', function() {
    it('should set the cx and cy position', function() {
      polyline.center(321,567)
      var box = polyline.bbox()
      expect(box.x).toBe(271)
      expect(box.y).toBe(517)
    })
  })
  
  describe('size()', function() {
    it('should define the width and height of the element', function() {
      polyline.size(987,654)
      var box = polyline.bbox()
      expect(approximately(box.width, 0.1)).toBe(987)
      expect(approximately(box.height, 0.1)).toBe(654)
    })
  })
  
  describe('scale()', function() {
    it('should scale the element universally with one argument', function() {
      var box = polyline.scale(2).bbox()
      
      expect(box.width).toBe(polyline._offset.width * 2)
      expect(box.height).toBe(polyline._offset.height * 2)
    })
    it('should scale the element over individual x and y axes with two arguments', function() {
      var box = polyline.scale(2, 3.5).bbox()
      
      expect(box.width).toBe(polyline._offset.width * 2)
      expect(box.height).toBe(polyline._offset.height * 3.5)
    })
  })

  describe('translate()', function() {
    it('should set the translation of an element', function() {
      polyline.transform({ x: 12, y: 12 })
      expect(polyline.node.getAttribute('transform')).toBe('translate(12,12) translate(0,0)')
    })
  })
  
})