Files
openlayers/test/spec/ol/layer/layer.test.js
2014-05-25 14:35:07 +02:00

469 lines
11 KiB
JavaScript

goog.provide('ol.test.layer.Layer');
describe('ol.layer.Layer', function() {
describe('constructor (defaults)', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('creates an instance', function() {
expect(layer).to.be.a(ol.layer.Layer);
});
it('provides default brightness', function() {
expect(layer.getBrightness()).to.be(0);
});
it('provides default contrast', function() {
expect(layer.getContrast()).to.be(1);
});
it('provides default hue', function() {
expect(layer.getHue()).to.be(0);
});
it('provides default opacity', function() {
expect(layer.getOpacity()).to.be(1);
});
it('provides default saturation', function() {
expect(layer.getSaturation()).to.be(1);
});
it('provides default visibility', function() {
expect(layer.getVisible()).to.be(true);
});
it('provides default layerState', function() {
expect(layer.getLayerState()).to.eql({
layer: layer,
brightness: 0,
contrast: 1,
hue: 0,
opacity: 1,
saturation: 1,
visible: true,
sourceState: ol.source.State.READY,
maxResolution: Infinity,
minResolution: 0
});
});
});
describe('constructor (options)', function() {
it('accepts options', function() {
var layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
}),
brightness: 0.5,
contrast: 10,
hue: 180,
opacity: 0.5,
saturation: 5,
visible: false,
maxResolution: 500,
minResolution: 0.25,
foo: 42
});
expect(layer.getBrightness()).to.be(0.5);
expect(layer.getContrast()).to.be(10);
expect(layer.getHue()).to.be(180);
expect(layer.getOpacity()).to.be(0.5);
expect(layer.getSaturation()).to.be(5);
expect(layer.getVisible()).to.be(false);
expect(layer.getMaxResolution()).to.be(500);
expect(layer.getMinResolution()).to.be(0.25);
expect(layer.get('foo')).to.be(42);
expect(layer.getLayerState()).to.eql({
layer: layer,
brightness: 0.5,
contrast: 10,
hue: 180,
opacity: 0.5,
saturation: 5,
visible: false,
sourceState: ol.source.State.READY,
maxResolution: 500,
minResolution: 0.25
});
goog.dispose(layer);
});
});
describe('visibleAtResolution', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('returns false if layer is not visible', function() {
layer.setVisible(false);
layer.setMinResolution(3);
layer.setMaxResolution(5);
var layerState = layer.getLayerState();
expect(ol.layer.Layer.visibleAtResolution(layerState, 4)).to.be(false);
});
it('returns false if resolution lower than minResolution', function() {
layer.setVisible(true);
layer.setMinResolution(3);
layer.setMaxResolution(5);
var layerState = layer.getLayerState();
expect(ol.layer.Layer.visibleAtResolution(layerState, 2)).to.be(false);
});
it('returns false if resolution greater than maxResolution', function() {
layer.setVisible(true);
layer.setMinResolution(3);
layer.setMaxResolution(5);
var layerState = layer.getLayerState();
expect(ol.layer.Layer.visibleAtResolution(layerState, 6)).to.be(false);
});
it('returns true otherwise', function() {
layer.setVisible(true);
layer.setMinResolution(3);
layer.setMaxResolution(5);
var layerState = layer.getLayerState();
expect(ol.layer.Layer.visibleAtResolution(layerState, 4)).to.be(true);
});
});
describe('#getLayerState', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('returns a layerState from the properties values', function() {
layer.setBrightness(-0.7);
layer.setContrast(0.3);
layer.setHue(-0.3);
layer.setOpacity(0.3);
layer.setSaturation(0.3);
layer.setVisible(false);
layer.setMaxResolution(500);
layer.setMinResolution(0.25);
expect(layer.getLayerState()).to.eql({
layer: layer,
brightness: -0.7,
contrast: 0.3,
hue: -0.3,
opacity: 0.3,
saturation: 0.3,
visible: false,
sourceState: ol.source.State.READY,
maxResolution: 500,
minResolution: 0.25
});
});
it('returns a layerState with clamped values', function() {
layer.setBrightness(1.5);
layer.setContrast(-0.7);
layer.setHue(42);
layer.setOpacity(-1.5);
layer.setSaturation(-0.7);
layer.setVisible(false);
expect(layer.getLayerState()).to.eql({
layer: layer,
brightness: 1,
contrast: 0,
hue: 42,
opacity: 0,
saturation: 0,
visible: false,
sourceState: ol.source.State.READY,
maxResolution: Infinity,
minResolution: 0
});
layer.setBrightness(-3);
layer.setContrast(42);
layer.setHue(-100);
layer.setOpacity(3);
layer.setSaturation(42);
layer.setVisible(true);
expect(layer.getLayerState()).to.eql({
layer: layer,
brightness: -1,
contrast: 42,
hue: -100,
opacity: 1,
saturation: 42,
visible: true,
sourceState: ol.source.State.READY,
maxResolution: Infinity,
minResolution: 0
});
});
});
describe('#setBrightness', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('accepts a positive number', function() {
layer.setBrightness(0.3);
expect(layer.getBrightness()).to.be(0.3);
});
it('accepts a negative number', function() {
layer.setBrightness(-0.7);
expect(layer.getBrightness()).to.be(-0.7);
});
it('triggers a change event', function() {
var listener = sinon.spy();
layer.on(ol.ObjectEventType.PROPERTYCHANGE, listener);
layer.setBrightness(0.5);
expect(listener.calledOnce).to.be(true);
});
});
describe('#setContrast', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('accepts a small positive number', function() {
layer.setContrast(0.3);
expect(layer.getContrast()).to.be(0.3);
});
it('accepts a big positive number', function() {
layer.setContrast(42);
expect(layer.getContrast()).to.be(42);
});
it('triggers a change event', function() {
var listener = sinon.spy();
layer.on(ol.ObjectEventType.PROPERTYCHANGE, listener);
layer.setContrast(43);
expect(listener.calledOnce).to.be(true);
});
});
describe('#setHue', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('accepts a small positive number', function() {
layer.setHue(0.3);
expect(layer.getHue()).to.be(0.3);
});
it('accepts a small negative number', function() {
layer.setHue(-0.7);
expect(layer.getHue()).to.be(-0.7);
});
it('accepts a big positive number', function() {
layer.setHue(42);
expect(layer.getHue()).to.be(42);
});
it('accepts a big negative number', function() {
layer.setHue(-100);
expect(layer.getHue()).to.be(-100);
});
it('triggers a change event', function() {
var listener = sinon.spy();
layer.on(ol.ObjectEventType.PROPERTYCHANGE, listener);
layer.setHue(0.5);
expect(listener.calledOnce).to.be(true);
});
});
describe('#setOpacity', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('accepts a positive number', function() {
layer.setOpacity(0.3);
expect(layer.getOpacity()).to.be(0.3);
});
it('triggers a change event', function() {
var listener = sinon.spy();
layer.on(ol.ObjectEventType.PROPERTYCHANGE, listener);
layer.setOpacity(0.4);
expect(listener.calledOnce).to.be(true);
});
});
describe('#setSaturation', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('accepts a small positive number', function() {
layer.setSaturation(0.3);
expect(layer.getSaturation()).to.be(0.3);
});
it('accepts a big positive number', function() {
layer.setSaturation(42);
expect(layer.getSaturation()).to.be(42);
});
it('triggers a change event', function() {
var listener = sinon.spy();
layer.on(ol.ObjectEventType.PROPERTYCHANGE, listener);
layer.setSaturation(42);
expect(listener.calledOnce).to.be(true);
});
});
describe('#setVisible', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.Layer({
source: new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
})
});
});
afterEach(function() {
goog.dispose(layer);
});
it('sets visible property', function() {
layer.setVisible(false);
expect(layer.getVisible()).to.be(false);
layer.setVisible(true);
expect(layer.getVisible()).to.be(true);
});
it('fires a change event', function() {
var listener = sinon.spy();
layer.on(ol.ObjectEventType.PROPERTYCHANGE, listener);
layer.setVisible(false);
expect(listener.callCount).to.be(1);
layer.setVisible(true);
expect(listener.callCount).to.be(2);
});
});
});
goog.require('goog.dispose');
goog.require('ol.ObjectEventType');
goog.require('ol.layer.Layer');
goog.require('ol.proj');
goog.require('ol.source.Source');
goog.require('ol.source.State');