EVOLUTION-MANAGER

Edit File: spiderfySpec.js

describe('spiderfy', function () {
	/////////////////////////////
	// SETUP FOR EACH TEST
	/////////////////////////////
	var div, map, group, clock;
	
	beforeEach(function () {
		clock = sinon.useFakeTimers();

div = document.createElement('div');
		div.style.width = '200px';
		div.style.height = '200px';
		document.body.appendChild(div);
	
		map = L.map(div, { maxZoom: 18, trackResize: false });
	
		// Corresponds to zoom level 8 for the above div dimensions.
		map.fitBounds(new L.LatLngBounds([
			[1, 1],
			[2, 2]
		]));
	});

afterEach(function () {
		if (group instanceof L.MarkerClusterGroup) {
			group.removeLayers(group.getLayers());
			map.removeLayer(group);
		}

map.remove();
		div.remove();
		clock.restore();

div = map = group = clock = null;
	});

/////////////////////////////
	// TESTS
	/////////////////////////////
	it('Spiderfies 2 Markers', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Marker([1.5, 1.5]);
		var marker2 = new L.Marker([1.5, 1.5]);

group.addLayer(marker);
		group.addLayer(marker2);
		map.addLayer(group);

marker.__parent.spiderfy();

expect(marker._icon.parentNode).to.be(map._panes.markerPane);
		expect(marker2._icon.parentNode).to.be(map._panes.markerPane);
	});

it('Spiderfies 2 CircleMarkers', function () {

group = new L.MarkerClusterGroup();

var marker = new L.CircleMarker([1.5, 1.5]);
		var marker2 = new L.CircleMarker([1.5, 1.5]);

group.addLayer(marker);
		group.addLayer(marker2);
		map.addLayer(group);

marker.__parent.spiderfy();

// Leaflet 1.0.0 now uses an intermediate L.Renderer.
		// marker > _path > _rootGroup (g) > _container (svg) > pane (div)
		expect(marker._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));
		expect(marker2._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));
	});

it('Spiderfies 2 Circles', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Circle([1.5, 1.5], 10);
		var marker2 = new L.Circle([1.5, 1.5], 10);

group.addLayer(marker);
		group.addLayer(marker2);
		map.addLayer(group);

marker.__parent.spiderfy();

expect(marker._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));
		expect(marker2._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));
	});

it('Spiderfies at current zoom if all child markers are at the exact same position', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Marker([1.5, 1.5]);
		var marker2 = new L.Marker([1.5, 1.5]);

group.addLayers([marker, marker2]);
		map.addLayer(group);

// Get the appropriate cluster.
		var cluster = marker.__parent,
		    zoom = map.getZoom();

while (cluster._zoom !== zoom) {
			cluster = cluster.__parent;
		}

expect(zoom).to.be.lessThan(10);

cluster.fireEvent('click', null, true);

clock.tick(1000);

expect(map.getZoom()).to.equal(zoom);

expect(marker._icon.parentNode).to.be(map._panes.markerPane);
		expect(marker2._icon.parentNode).to.be(map._panes.markerPane);

});

it('Spiderfies at current zoom if all child markers are still within a single cluster at map maxZoom', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Marker([1.5, 1.50001]);
		var marker2 = new L.Marker([1.5, 1.5]);

group.addLayers([marker, marker2]);
		map.addLayer(group);

expect(marker.__parent._zoom).to.equal(18);

// Get the appropriate cluster.
		var cluster = marker.__parent,
		    zoom = map.getZoom();

while (cluster._zoom !== zoom) {
			cluster = cluster.__parent;
		}

expect(zoom).to.be.lessThan(10);

cluster.fireEvent('click', null, true);

clock.tick(1000);

expect(map.getZoom()).to.equal(zoom);

expect(marker._icon.parentNode).to.be(map._panes.markerPane);
		expect(marker2._icon.parentNode).to.be(map._panes.markerPane);

});

it('removes all markers and spider legs when group is removed from map', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Marker([1.5, 1.5]);
		var marker2 = new L.Marker([1.5, 1.5]);

group.addLayers([marker, marker2]);
		map.addLayer(group);

marker.__parent.spiderfy();

expect(map._panes.markerPane.childNodes.length).to.be(3); // The 2 markers + semi-transparent cluster.
		expect(map.getPane('overlayPane').firstChild.firstChild.childNodes.length).to.be(2); // The 2 spider legs.

});

it('adds then removes class "leaflet-cluster-anim" from mapPane on spiderfy', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Marker([1.5, 1.5]);
		var marker2 = new L.Marker([1.5, 1.5]);

group.addLayers([marker, marker2]);
		map.addLayer(group);

marker.__parent.spiderfy();

expect(map._panes.mapPane.className).to.contain('leaflet-cluster-anim');

clock.tick(1000);

expect(map._panes.mapPane.className).to.not.contain('leaflet-cluster-anim');

});

it('adds then removes class "leaflet-cluster-anim" from mapPane on unspiderfy', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Marker([1.5, 1.5]);
		var marker2 = new L.Marker([1.5, 1.5]);

group.addLayers([marker, marker2]);
		map.addLayer(group);

marker.__parent.spiderfy();

clock.tick(1000);

marker.__parent.unspiderfy();

expect(map._panes.mapPane.className).to.contain('leaflet-cluster-anim');

clock.tick(1000);

expect(map._panes.mapPane.className).to.not.contain('leaflet-cluster-anim');

});

it('fires unspiderfied event on unspiderfy', function (done) {

group = new L.MarkerClusterGroup();

var marker = new L.Marker([1.5, 1.5]);
		var marker2 = new L.Marker([1.5, 1.5]);

group.addLayers([marker, marker2]);
		map.addLayer(group);

marker.__parent.spiderfy();

clock.tick(1000);

// Add event listener
		group.on('unspiderfied', function (event) {
			expect(event.target).to.be(group);
			expect(event.cluster).to.be.a(L.Marker);
			expect(event.markers[1]).to.be(marker);
			expect(event.markers[0]).to.be(marker2);

done();
		});

marker.__parent.unspiderfy();

clock.tick(1000);

});

it('does not leave class "leaflet-cluster-anim" on mapPane when group is removed while spiderfied', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Marker([1.5, 1.5]);
		var marker2 = new L.Marker([1.5, 1.5]);

group.addLayers([marker, marker2]);
		map.addLayer(group);

marker.__parent.spiderfy();

clock.tick(1000);

map.removeLayer(group);

expect(map._panes.mapPane.className).to.not.contain('leaflet-cluster-anim');

});

it('overrides spiderfy shape positions when custom function has been provided', function () {
		
		var marker = new L.Marker([1.5, 1.5]);
		var marker2 = new L.Marker([1.5, 1.5]);

var spiderfyShapePositionsFuntion =  sinon.spy(function (){
			return [{x: 1.6, y: 1.6}, {x: 1.6, y: 1.6} ];
			}
		);

group = new L.MarkerClusterGroup({spiderfyShapePositions: spiderfyShapePositionsFuntion});

group.addLayer(marker);
		group.addLayer(marker2)
		map.addLayer(group);

marker.__parent.spiderfy();

sinon.assert.calledOnce(spiderfyShapePositionsFuntion);
	});

describe('zoomend event listener', function () {

it('unspiderfies correctly', function () {

group = new L.MarkerClusterGroup();

var marker = new L.Circle([1.5, 1.5], 10);
			var marker2 = new L.Circle([1.5, 1.5], 10);

group.addLayer(marker);
			group.addLayer(marker2);
			map.addLayer(group);

marker.__parent.spiderfy();

expect(group._spiderfied).to.not.be(null);

map.fire('zoomend');

//We should unspiderfy with no animation, so this should be null
			expect(group._spiderfied).to.be(null);
		});

});

describe('spiderfied event listener', function () {
		it('Spiderfies 2 Markers', function (done) {

group = new L.MarkerClusterGroup();
			var marker = new L.Marker([1.5, 1.5]);
			var marker2 = new L.Marker([1.5, 1.5]);

group.addLayer(marker);
			group.addLayer(marker2);
			map.addLayer(group);

// Add event listener
			group.on('spiderfied', function (event) {
				expect(event.target).to.be(group);
				expect(event.cluster).to.be.a(L.Marker);
				expect(event.markers[1]).to.be(marker);
				expect(event.markers[0]).to.be(marker2);

done();
			});

marker.__parent.spiderfy();

clock.tick(200);
		});

it('Spiderfies 2 Circles', function (done) {

group = new L.MarkerClusterGroup();
			var marker = new L.Circle([1.5, 1.5], 10);
			var marker2 = new L.Circle([1.5, 1.5], 10);

group.addLayer(marker);
			group.addLayer(marker2);
			map.addLayer(group);

done();
			});

marker.__parent.spiderfy();

clock.tick(200);
		});
	});
});