fabric.js/test/unit/polyline.js
2011-05-11 18:17:21 -04:00

107 lines
No EOL
3.2 KiB
JavaScript

(function() {
function getPoints() {
return [
{x: 10, y: 12},
{x: 20, y: 22}
];
}
var REFERENCE_OBJECT = {
'type': 'polyline',
'left': 0,
'top': 0,
'width': 10,
'height': 10,
'fill': 'rgb(0,0,0)',
'overlayFill': null,
'stroke': null,
'strokeWidth': 1,
'scaleX': 1,
'scaleY': 1,
'angle': 0,
'flipX': false,
'flipY': false,
'opacity': 1,
'points': getPoints(),
'selectable': true
};
module('fabric.Polyline');
test('constructor', function() {
ok(fabric.Polyline);
var polyline = new fabric.Polyline(getPoints());
ok(polyline instanceof fabric.Polyline);
ok(polyline instanceof fabric.Object);
equals(polyline.type, 'polyline');
same(polyline.get('points'), getPoints());
});
test('complexity', function() {
var polyline = new fabric.Polyline(getPoints());
ok(typeof polyline.complexity == 'function');
});
test('toObject', function() {
var polyline = new fabric.Polyline(getPoints());
ok(typeof polyline.toObject == 'function');
same(polyline.toObject(), REFERENCE_OBJECT);
});
test('fromObject', function() {
ok(typeof fabric.Polyline.fromObject == 'function');
var polyline = fabric.Polyline.fromObject(REFERENCE_OBJECT);
ok(polyline instanceof fabric.Polyline);
same(polyline.toObject(), REFERENCE_OBJECT);
});
test('fromElement', function() {
ok(typeof fabric.Polyline.fromElement == 'function');
var elPolyline = document.createElement('polyline');
elPolyline.setAttribute('points', '10,12 20,22');
//var polyline = fabric.Polyline.fromElement(elPolyline);
//ok(polyline instanceof fabric.Polyline);
//same(REFERENCE_OBJECT, polyline.toObject());
var elPolylineWithAttrs = document.createElement('polyline');
elPolylineWithAttrs.setAttribute('points', '10,10 20,20 30,30 10,10');
elPolylineWithAttrs.setAttribute('fill', 'rgb(255,255,255)');
elPolylineWithAttrs.setAttribute('fill-opacity', '0.34');
elPolylineWithAttrs.setAttribute('stroke-width', '3');
elPolylineWithAttrs.setAttribute('stroke', 'blue');
elPolylineWithAttrs.setAttribute('transform', 'translate(-10,-20) scale(2)');
var polylineWithAttrs = fabric.Polyline.fromElement(elPolylineWithAttrs);
//var expectedPoints = [{x: 10, y: 10}, {x: 20, y: 20}, {x: 30, y: 30}, {x: 10, y: 10}];
/*
same(fabric.util.object.extend(REFERENCE_OBJECT, {
'width': 20,
'height': 20,
'fill': 'rgb(255,255,255)',
'stroke': 'blue',
'strokeWidth': 3,
'opacity': 0.34,
'points': expectedPoints
}), polylineWithAttrs.toObject());
same([ 2, 0, 0, 2, -10, -20 ], polylineWithAttrs.get('transformMatrix'));
var elPolylineWithoutPoints = document.createElement('polyline');
/*
this.assertRaise('TypeError', function(){
fabric.Polyline.fromElement(elPolylineWithoutPoints);
}, 'missing points attribute should result in error');
equals(fabric.Polyline.fromElement(), null);
*/
});
})();