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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('dx()', function() {
it('moves the x positon of the element relative to the current position', function() {
polyline.move(50,60)
polyline.dx(100)
var box = polyline.bbox()
expect(box.x).toBe(150)
})
})
describe('dy()', function() {
it('moves the y positon of the element relative to the current position', function() {
polyline.move(50, 60)
polyline.dy(120)
var box = polyline.bbox()
expect(box.y).toBe(180)
})
})
describe('dmove()', function() {
it('moves the x and y positon of the element relative to the current position', function() {
polyline.move(50,60)
polyline.dmove(80, 25)
var box = polyline.bbox()
expect(box.x).toBe(130)
expect(box.y).toBe(85)
})
})
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('width()', function() {
it('sets the width and height of the element', function() {
polyline.width(987)
var box = polyline.bbox()
expect(approximately(box.width, 0.1)).toBe(987)
})
it('gets the width and height of the element without an argument', function() {
polyline.width(789)
expect(approximately(polyline.width(), 0.1)).toBe(789)
})
})
describe('height()', function() {
it('sets the height and height of the element', function() {
polyline.height(987)
var box = polyline.bbox()
expect(approximately(box.height, 0.1)).toBe(987)
})
it('gets the height and height of the element without an argument', function() {
polyline.height(789)
expect(approximately(polyline.height(), 0.1)).toBe(789)
})
})
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)
})
it('defines the width and height proportionally with only the width value given', function() {
var box = polyline.bbox()
polyline.size(500)
expect(polyline.width()).toBe(500)
expect(polyline.width() / polyline.height()).toBe(box.width / box.height)
})
it('defines the width and height proportionally with only the height value given', function() {
var box = polyline.bbox()
polyline.size(null, 525)
expect(polyline.height()).toBe(525)
expect(polyline.width() / polyline.height()).toBe(box.width / box.height)
})
})
describe('scale()', function() {
it('should scale the element universally with one argument', function() {
var box1 = polyline.bbox()
, box2 = polyline.scale(2).bbox()
expect(box2.width).toBe(box1.width * 2)
expect(box2.height).toBe(box1.height * 2)
})
it('should scale the element over individual x and y axes with two arguments', function() {
var box1 = polyline.bbox()
, box2 = polyline.scale(2, 3.5).bbox()
expect(box2.width).toBe(box1.width * 2)
expect(box2.height).toBe(box1.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)')
})
})
})
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