Organize tests
This commit is contained in:
Tim Schaub
502
test/browser/spec/ol/layer/group.test.js
Normal file
502
test/browser/spec/ol/layer/group.test.js
Normal file
@@ -0,0 +1,502 @@
|
||||
import Collection from '../../../../../src/ol/Collection.js';
|
||||
import Layer from '../../../../../src/ol/layer/Layer.js';
|
||||
import LayerGroup from '../../../../../src/ol/layer/Group.js';
|
||||
import Source from '../../../../../src/ol/source/Source.js';
|
||||
import {assign} from '../../../../../src/ol/obj.js';
|
||||
import {getIntersection} from '../../../../../src/ol/extent.js';
|
||||
import {getUid} from '../../../../../src/ol/util.js';
|
||||
|
||||
describe('ol.layer.Group', function () {
|
||||
describe('constructor (defaults)', function () {
|
||||
let layerGroup;
|
||||
|
||||
beforeEach(function () {
|
||||
layerGroup = new LayerGroup();
|
||||
});
|
||||
|
||||
afterEach(function () {
|
||||
layerGroup.dispose();
|
||||
});
|
||||
|
||||
it('creates an instance', function () {
|
||||
expect(layerGroup).to.be.a(LayerGroup);
|
||||
});
|
||||
|
||||
it('provides default opacity', function () {
|
||||
expect(layerGroup.getOpacity()).to.be(1);
|
||||
});
|
||||
|
||||
it('provides default visibility', function () {
|
||||
expect(layerGroup.getVisible()).to.be(true);
|
||||
});
|
||||
|
||||
it('provides default layerState', function () {
|
||||
expect(layerGroup.getLayerState()).to.eql({
|
||||
layer: layerGroup,
|
||||
opacity: 1,
|
||||
visible: true,
|
||||
managed: true,
|
||||
sourceState: 'ready',
|
||||
extent: undefined,
|
||||
zIndex: 0,
|
||||
maxResolution: Infinity,
|
||||
minResolution: 0,
|
||||
minZoom: -Infinity,
|
||||
maxZoom: Infinity,
|
||||
});
|
||||
});
|
||||
|
||||
it('provides default empty layers collection', function () {
|
||||
expect(layerGroup.getLayers()).to.be.a(Collection);
|
||||
expect(layerGroup.getLayers().getLength()).to.be(0);
|
||||
});
|
||||
});
|
||||
|
||||
describe('generic change event', function () {
|
||||
let layer, group, listener;
|
||||
beforeEach(function () {
|
||||
layer = new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
});
|
||||
group = new LayerGroup({
|
||||
layers: [layer],
|
||||
});
|
||||
listener = sinon.spy();
|
||||
});
|
||||
|
||||
afterEach(function () {
|
||||
group.dispose();
|
||||
layer.dispose();
|
||||
});
|
||||
|
||||
it('is dispatched by the group when layer opacity changes', function () {
|
||||
group.on('change', listener);
|
||||
|
||||
layer.setOpacity(0.5);
|
||||
expect(listener.calledOnce).to.be(true);
|
||||
});
|
||||
|
||||
it('is dispatched by the group when layer visibility changes', function () {
|
||||
group.on('change', listener);
|
||||
|
||||
layer.setVisible(false);
|
||||
expect(listener.callCount).to.be(1);
|
||||
|
||||
layer.setVisible(true);
|
||||
expect(listener.callCount).to.be(2);
|
||||
});
|
||||
});
|
||||
|
||||
describe('property change event', function () {
|
||||
let layer, group, listener;
|
||||
beforeEach(function () {
|
||||
layer = new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
});
|
||||
group = new LayerGroup({
|
||||
layers: [layer],
|
||||
});
|
||||
listener = sinon.spy();
|
||||
});
|
||||
|
||||
afterEach(function () {
|
||||
group.dispose();
|
||||
layer.dispose();
|
||||
});
|
||||
|
||||
it('is dispatched by the group when group opacity changes', function () {
|
||||
group.on('propertychange', listener);
|
||||
|
||||
group.setOpacity(0.5);
|
||||
expect(listener.calledOnce).to.be(true);
|
||||
});
|
||||
|
||||
it('is dispatched by the group when group visibility changes', function () {
|
||||
group.on('propertychange', listener);
|
||||
|
||||
group.setVisible(false);
|
||||
expect(listener.callCount).to.be(1);
|
||||
|
||||
group.setVisible(true);
|
||||
expect(listener.callCount).to.be(2);
|
||||
});
|
||||
});
|
||||
|
||||
describe('constructor (options)', function () {
|
||||
it('accepts options', function () {
|
||||
const layer = new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
});
|
||||
const layerGroup = new LayerGroup({
|
||||
layers: [layer],
|
||||
opacity: 0.5,
|
||||
visible: false,
|
||||
zIndex: 10,
|
||||
maxResolution: 500,
|
||||
minResolution: 0.25,
|
||||
minZoom: 1,
|
||||
maxZoom: 10,
|
||||
});
|
||||
|
||||
expect(layerGroup.getOpacity()).to.be(0.5);
|
||||
expect(layerGroup.getVisible()).to.be(false);
|
||||
expect(layerGroup.getMaxResolution()).to.be(500);
|
||||
expect(layerGroup.getMinResolution()).to.be(0.25);
|
||||
expect(layerGroup.getMinZoom()).to.be(1);
|
||||
expect(layerGroup.getMaxZoom()).to.be(10);
|
||||
expect(layerGroup.getLayerState()).to.eql({
|
||||
layer: layerGroup,
|
||||
opacity: 0.5,
|
||||
visible: false,
|
||||
managed: true,
|
||||
sourceState: 'ready',
|
||||
extent: undefined,
|
||||
zIndex: 10,
|
||||
maxResolution: 500,
|
||||
minResolution: 0.25,
|
||||
minZoom: 1,
|
||||
maxZoom: 10,
|
||||
});
|
||||
expect(layerGroup.getLayers()).to.be.a(Collection);
|
||||
expect(layerGroup.getLayers().getLength()).to.be(1);
|
||||
expect(layerGroup.getLayers().item(0)).to.be(layer);
|
||||
|
||||
layer.dispose();
|
||||
layerGroup.dispose();
|
||||
});
|
||||
|
||||
it('accepts an extent option', function () {
|
||||
const layer = new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
});
|
||||
|
||||
const groupExtent = [-10, -5, 10, 5];
|
||||
const layerGroup = new LayerGroup({
|
||||
layers: [layer],
|
||||
opacity: 0.5,
|
||||
visible: false,
|
||||
extent: groupExtent,
|
||||
maxResolution: 500,
|
||||
minResolution: 0.25,
|
||||
});
|
||||
|
||||
expect(layerGroup.getOpacity()).to.be(0.5);
|
||||
expect(layerGroup.getVisible()).to.be(false);
|
||||
expect(layerGroup.getExtent()).to.eql(groupExtent);
|
||||
expect(layerGroup.getMaxResolution()).to.be(500);
|
||||
expect(layerGroup.getMinResolution()).to.be(0.25);
|
||||
expect(layerGroup.getLayerState()).to.eql({
|
||||
layer: layerGroup,
|
||||
opacity: 0.5,
|
||||
visible: false,
|
||||
managed: true,
|
||||
sourceState: 'ready',
|
||||
extent: groupExtent,
|
||||
zIndex: 0,
|
||||
maxResolution: 500,
|
||||
minResolution: 0.25,
|
||||
minZoom: -Infinity,
|
||||
maxZoom: Infinity,
|
||||
});
|
||||
expect(layerGroup.getLayers()).to.be.a(Collection);
|
||||
expect(layerGroup.getLayers().getLength()).to.be(1);
|
||||
expect(layerGroup.getLayers().item(0)).to.be(layer);
|
||||
|
||||
layer.dispose();
|
||||
layerGroup.dispose();
|
||||
});
|
||||
});
|
||||
|
||||
describe('#getLayerState', function () {
|
||||
let layerGroup;
|
||||
|
||||
beforeEach(function () {
|
||||
layerGroup = new LayerGroup();
|
||||
});
|
||||
|
||||
afterEach(function () {
|
||||
layerGroup.dispose();
|
||||
});
|
||||
|
||||
it('returns a layerState from the properties values', function () {
|
||||
layerGroup.setOpacity(0.3);
|
||||
layerGroup.setVisible(false);
|
||||
layerGroup.setZIndex(10);
|
||||
const groupExtent = [-100, 50, 100, 50];
|
||||
layerGroup.setExtent(groupExtent);
|
||||
layerGroup.setMaxResolution(500);
|
||||
layerGroup.setMinResolution(0.25);
|
||||
layerGroup.setMinZoom(5);
|
||||
layerGroup.setMaxZoom(10);
|
||||
expect(layerGroup.getLayerState()).to.eql({
|
||||
layer: layerGroup,
|
||||
opacity: 0.3,
|
||||
visible: false,
|
||||
managed: true,
|
||||
sourceState: 'ready',
|
||||
extent: groupExtent,
|
||||
zIndex: 10,
|
||||
maxResolution: 500,
|
||||
minResolution: 0.25,
|
||||
minZoom: 5,
|
||||
maxZoom: 10,
|
||||
});
|
||||
});
|
||||
|
||||
it('returns a layerState with clamped values', function () {
|
||||
layerGroup.setOpacity(-1.5);
|
||||
layerGroup.setVisible(false);
|
||||
expect(layerGroup.getLayerState()).to.eql({
|
||||
layer: layerGroup,
|
||||
opacity: 0,
|
||||
visible: false,
|
||||
managed: true,
|
||||
sourceState: 'ready',
|
||||
extent: undefined,
|
||||
zIndex: 0,
|
||||
maxResolution: Infinity,
|
||||
minResolution: 0,
|
||||
minZoom: -Infinity,
|
||||
maxZoom: Infinity,
|
||||
});
|
||||
|
||||
layerGroup.setOpacity(3);
|
||||
layerGroup.setVisible(true);
|
||||
expect(layerGroup.getLayerState()).to.eql({
|
||||
layer: layerGroup,
|
||||
opacity: 1,
|
||||
visible: true,
|
||||
managed: true,
|
||||
sourceState: 'ready',
|
||||
extent: undefined,
|
||||
zIndex: 0,
|
||||
maxResolution: Infinity,
|
||||
minResolution: 0,
|
||||
minZoom: -Infinity,
|
||||
maxZoom: Infinity,
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('layers events', function () {
|
||||
it('listen / unlisten for layers added to the collection', function () {
|
||||
const layers = new Collection();
|
||||
const layerGroup = new LayerGroup({
|
||||
layers: layers,
|
||||
});
|
||||
expect(Object.keys(layerGroup.listenerKeys_).length).to.eql(0);
|
||||
const layer = new Layer({});
|
||||
layers.push(layer);
|
||||
expect(Object.keys(layerGroup.listenerKeys_).length).to.eql(1);
|
||||
|
||||
const listeners = layerGroup.listenerKeys_[getUid(layer)];
|
||||
expect(listeners.length).to.eql(2);
|
||||
expect(typeof listeners[0]).to.be('object');
|
||||
expect(typeof listeners[1]).to.be('object');
|
||||
|
||||
// remove the layer from the group
|
||||
layers.pop();
|
||||
expect(Object.keys(layerGroup.listenerKeys_).length).to.eql(0);
|
||||
expect(listeners[0].listener).to.be(undefined);
|
||||
expect(listeners[1].listener).to.be(undefined);
|
||||
});
|
||||
});
|
||||
|
||||
describe('#setLayers', function () {
|
||||
it('sets layers property', function () {
|
||||
const layer = new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
});
|
||||
const layers = new Collection([layer]);
|
||||
const layerGroup = new LayerGroup();
|
||||
|
||||
layerGroup.setLayers(layers);
|
||||
expect(layerGroup.getLayers()).to.be(layers);
|
||||
|
||||
layerGroup.dispose();
|
||||
layer.dispose();
|
||||
layers.dispose();
|
||||
});
|
||||
});
|
||||
|
||||
describe('#getLayerStatesArray', function () {
|
||||
let layer1, layer2, layer3;
|
||||
beforeEach(function () {
|
||||
layer1 = new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
});
|
||||
layer2 = new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
opacity: 0.5,
|
||||
visible: false,
|
||||
maxResolution: 500,
|
||||
minResolution: 0.25,
|
||||
});
|
||||
layer3 = new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
extent: [-5, -2, 5, 2],
|
||||
});
|
||||
});
|
||||
|
||||
afterEach(function () {
|
||||
layer1.dispose();
|
||||
layer2.dispose();
|
||||
layer3.dispose();
|
||||
});
|
||||
|
||||
it('returns an empty array if no layer', function () {
|
||||
const layerGroup = new LayerGroup();
|
||||
|
||||
const layerStatesArray = layerGroup.getLayerStatesArray();
|
||||
expect(layerStatesArray).to.be.a(Array);
|
||||
expect(layerStatesArray.length).to.be(0);
|
||||
|
||||
layerGroup.dispose();
|
||||
});
|
||||
|
||||
it('does not transform layerStates by default', function () {
|
||||
const layerGroup = new LayerGroup({
|
||||
layers: [layer1, layer2],
|
||||
});
|
||||
|
||||
const layerStatesArray = layerGroup.getLayerStatesArray();
|
||||
expect(layerStatesArray).to.be.a(Array);
|
||||
expect(layerStatesArray.length).to.be(2);
|
||||
expect(layerStatesArray[0]).to.eql(layer1.getLayerState());
|
||||
|
||||
// layer state should match except for layer reference
|
||||
const layerState = assign({}, layerStatesArray[0]);
|
||||
delete layerState.layer;
|
||||
const groupState = assign({}, layerGroup.getLayerState());
|
||||
delete groupState.layer;
|
||||
expect(layerState).to.eql(groupState);
|
||||
|
||||
expect(layerStatesArray[1]).to.eql(layer2.getLayerState());
|
||||
|
||||
layerGroup.dispose();
|
||||
});
|
||||
|
||||
it('uses the layer group extent if layer has no extent', function () {
|
||||
const groupExtent = [-10, -5, 10, 5];
|
||||
const layerGroup = new LayerGroup({
|
||||
extent: groupExtent,
|
||||
layers: [layer1],
|
||||
});
|
||||
const layerStatesArray = layerGroup.getLayerStatesArray();
|
||||
expect(layerStatesArray[0].extent).to.eql(groupExtent);
|
||||
layerGroup.dispose();
|
||||
});
|
||||
|
||||
it('uses the intersection of group and child extent', function () {
|
||||
const groupExtent = [-10, -5, 10, 5];
|
||||
const layerGroup = new LayerGroup({
|
||||
extent: groupExtent,
|
||||
layers: [layer3],
|
||||
});
|
||||
const layerStatesArray = layerGroup.getLayerStatesArray();
|
||||
expect(layerStatesArray[0].extent).to.eql(
|
||||
getIntersection(layer3.getExtent(), groupExtent)
|
||||
);
|
||||
layerGroup.dispose();
|
||||
});
|
||||
|
||||
it('transforms layerStates correctly', function () {
|
||||
const layerGroup = new LayerGroup({
|
||||
layers: [layer1, layer2],
|
||||
opacity: 0.5,
|
||||
visible: false,
|
||||
maxResolution: 150,
|
||||
minResolution: 0.2,
|
||||
});
|
||||
|
||||
const layerStatesArray = layerGroup.getLayerStatesArray();
|
||||
|
||||
// compare layer state to group state
|
||||
|
||||
// layer state should match except for layer reference
|
||||
let layerState = assign({}, layerStatesArray[0]);
|
||||
delete layerState.layer;
|
||||
const groupState = assign({}, layerGroup.getLayerState());
|
||||
delete groupState.layer;
|
||||
expect(layerState).to.eql(groupState);
|
||||
|
||||
// layer state should be transformed (and we ignore layer reference)
|
||||
layerState = assign({}, layerStatesArray[1]);
|
||||
delete layerState.layer;
|
||||
expect(layerState).to.eql({
|
||||
opacity: 0.25,
|
||||
visible: false,
|
||||
managed: true,
|
||||
sourceState: 'ready',
|
||||
extent: undefined,
|
||||
zIndex: 0,
|
||||
maxResolution: 150,
|
||||
minResolution: 0.25,
|
||||
minZoom: -Infinity,
|
||||
maxZoom: Infinity,
|
||||
});
|
||||
|
||||
layerGroup.dispose();
|
||||
});
|
||||
|
||||
it('returns max minZoom', function () {
|
||||
const group = new LayerGroup({
|
||||
minZoom: 5,
|
||||
layers: [
|
||||
new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
}),
|
||||
new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
minZoom: 10,
|
||||
}),
|
||||
],
|
||||
});
|
||||
|
||||
expect(group.getLayerStatesArray()[0].minZoom).to.be(5);
|
||||
expect(group.getLayerStatesArray()[1].minZoom).to.be(10);
|
||||
});
|
||||
|
||||
it('returns min maxZoom of layers', function () {
|
||||
const group = new LayerGroup({
|
||||
maxZoom: 5,
|
||||
layers: [
|
||||
new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
}),
|
||||
new Layer({
|
||||
source: new Source({
|
||||
projection: 'EPSG:4326',
|
||||
}),
|
||||
maxZoom: 2,
|
||||
}),
|
||||
],
|
||||
});
|
||||
|
||||
expect(group.getLayerStatesArray()[0].maxZoom).to.be(5);
|
||||
expect(group.getLayerStatesArray()[1].maxZoom).to.be(2);
|
||||
});
|
||||
});
|
||||
});
|
||||
Reference in New Issue
Block a user