openlayers
Version:
Build tools and sources for developing OpenLayers based mapping applications
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JavaScript
goog.provide('ol.test.style.Circle');
goog.require('ol.style.AtlasManager');
goog.require('ol.style.Circle');
goog.require('ol.style.Fill');
goog.require('ol.style.Stroke');
describe('ol.style.Circle', function() {
describe('#constructor', function() {
it('creates a canvas if no atlas is used (no fill-style)', function() {
var style = new ol.style.Circle({radius: 10});
expect(style.getImage()).to.be.an(HTMLCanvasElement);
expect(style.getSize()).to.eql([21, 21]);
expect(style.getImageSize()).to.eql([21, 21]);
expect(style.getOrigin()).to.eql([0, 0]);
expect(style.getAnchor()).to.eql([10.5, 10.5]);
// hit-detection image is created, because no fill style is set
expect(style.getImage()).to.not.be(style.getHitDetectionImage());
expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
expect(style.getHitDetectionImageSize()).to.eql([21, 21]);
});
it('creates a canvas if no atlas is used (fill-style)', function() {
var style = new ol.style.Circle({
radius: 10,
fill: new ol.style.Fill({
color: '#FFFF00'
})
});
expect(style.getImage()).to.be.an(HTMLCanvasElement);
expect(style.getSize()).to.eql([21, 21]);
expect(style.getImageSize()).to.eql([21, 21]);
expect(style.getOrigin()).to.eql([0, 0]);
expect(style.getAnchor()).to.eql([10.5, 10.5]);
// no hit-detection image is created, because fill style is set
expect(style.getImage()).to.be(style.getHitDetectionImage());
expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
expect(style.getHitDetectionImageSize()).to.eql([21, 21]);
});
it('adds itself to an atlas manager (no fill-style)', function() {
var atlasManager = new ol.style.AtlasManager({initialSize: 512});
var style = new ol.style.Circle({radius: 10, atlasManager: atlasManager});
expect(style.getImage()).to.be.an(HTMLCanvasElement);
expect(style.getSize()).to.eql([21, 21]);
expect(style.getImageSize()).to.eql([512, 512]);
expect(style.getOrigin()).to.eql([1, 1]);
expect(style.getAnchor()).to.eql([10.5, 10.5]);
// hit-detection image is created, because no fill style is set
expect(style.getImage()).to.not.be(style.getHitDetectionImage());
expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
expect(style.getHitDetectionImageSize()).to.eql([512, 512]);
});
it('adds itself to an atlas manager (fill-style)', function() {
var atlasManager = new ol.style.AtlasManager({initialSize: 512});
var style = new ol.style.Circle({
radius: 10,
atlasManager: atlasManager,
fill: new ol.style.Fill({
color: '#FFFF00'
})
});
expect(style.getImage()).to.be.an(HTMLCanvasElement);
expect(style.getSize()).to.eql([21, 21]);
expect(style.getImageSize()).to.eql([512, 512]);
expect(style.getOrigin()).to.eql([1, 1]);
expect(style.getAnchor()).to.eql([10.5, 10.5]);
// no hit-detection image is created, because fill style is set
expect(style.getImage()).to.be(style.getHitDetectionImage());
expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
expect(style.getHitDetectionImageSize()).to.eql([512, 512]);
});
});
describe('#clone', function() {
it('creates a new ol.style.Circle', function() {
var original = new ol.style.Circle();
var clone = original.clone();
expect(clone).to.be.an(ol.style.Circle);
expect(clone).to.not.be(original);
});
it('copies all values', function() {
var original = new ol.style.Circle({
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
}),
radius: 5,
snapToPixel: false
});
original.setOpacity(0.5);
original.setScale(1.5);
var clone = original.clone();
expect(original.getFill().getColor()).to.eql(clone.getFill().getColor());
expect(original.getOpacity()).to.eql(clone.getOpacity());
expect(original.getRadius()).to.eql(clone.getRadius());
expect(original.getScale()).to.eql(clone.getScale());
expect(original.getSnapToPixel()).to.eql(clone.getSnapToPixel());
expect(original.getStroke().getColor()).to.eql(clone.getStroke().getColor());
});
it('the clone does not reference the same objects as the original', function() {
var original = new ol.style.Circle({
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
var clone = original.clone();
expect(original.getFill()).to.not.be(clone.getFill());
expect(original.getStroke()).to.not.be(clone.getStroke());
clone.getFill().setColor('#012345');
clone.getStroke().setColor('#012345');
expect(original.getFill().getColor()).to.not.eql(clone.getFill().getColor());
expect(original.getStroke().getColor()).to.not.eql(clone.getStroke().getColor());
});
});
describe('#getChecksum', function() {
it('calculates the same hash code for default options', function() {
var style1 = new ol.style.Circle();
var style2 = new ol.style.Circle();
expect(style1.getChecksum()).to.eql(style2.getChecksum());
});
it('calculates not the same hash code (radius)', function() {
var style1 = new ol.style.Circle();
var style2 = new ol.style.Circle({
radius: 5
});
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
it('calculates the same hash code (radius)', function() {
var style1 = new ol.style.Circle({
radius: 5
});
var style2 = new ol.style.Circle({
radius: 5
});
expect(style1.getChecksum()).to.eql(style2.getChecksum());
});
it('calculates not the same hash code (color)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
})
});
var style2 = new ol.style.Circle({
radius: 5,
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
it('calculates the same hash code (everything set)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3',
lineCap: 'round',
lineDash: [5, 15, 25],
lineJoin: 'miter',
miterLimit: 4,
width: 2
})
});
var style2 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3',
lineCap: 'round',
lineDash: [5, 15, 25],
lineJoin: 'miter',
miterLimit: 4,
width: 2
})
});
expect(style1.getChecksum()).to.eql(style2.getChecksum());
});
it('calculates not the same hash code (stroke width differs)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3',
lineCap: 'round',
lineDash: [5, 15, 25],
lineJoin: 'miter',
miterLimit: 4,
width: 3
})
});
var style2 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3',
lineCap: 'round',
lineDash: [5, 15, 25],
lineJoin: 'miter',
miterLimit: 4,
width: 2
})
});
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
it('invalidates a cached checksum if values change (fill)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
var style2 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
expect(style1.getChecksum()).to.eql(style2.getChecksum());
style1.getFill().setColor('red');
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
it('invalidates a cached checksum if values change (stroke)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
var style2 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
expect(style1.getChecksum()).to.eql(style2.getChecksum());
style1.getStroke().setWidth(4);
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
});
describe('#setRadius', function() {
it('changes the circle radius', function() {
var style = new ol.style.Circle({
radius: 10,
fill: new ol.style.Fill({
color: '#FFFF00'
})
});
expect(style.getRadius()).to.eql(10);
style.setRadius(20);
expect(style.getRadius()).to.eql(20);
});
});
});