qd-changjing/public/leaflet/libs/leaflet.markercluster/spec/suites/getVisibleParentSpec.js

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2022-07-05 16:56:29 +08:00
describe('getVisibleParent', function () {
/////////////////////////////
// SETUP FOR EACH TEST
/////////////////////////////
var group, map, div;
beforeEach(function () {
div = document.createElement('div');
div.style.width = '200px';
div.style.height = '200px';
document.body.appendChild(div);
map = L.map(div, { maxZoom: 18, trackResize: false });
map.fitBounds(new L.LatLngBounds([
[1, 1],
[2, 2]
]));
});
afterEach(function () {
group.clearLayers();
map.removeLayer(group);
map.remove();
document.body.removeChild(div);
group = map = div = null;
});
/////////////////////////////
// TESTS
/////////////////////////////
it('gets the marker if the marker is visible', function () {
group = new L.MarkerClusterGroup();
var marker = new L.Marker([1.5, 1.5]);
group.addLayer(marker);
map.addLayer(group);
var vp = group.getVisibleParent(marker);
expect(vp).to.be(marker);
});
it('gets the visible cluster if it is clustered', 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);
var vp = group.getVisibleParent(marker);
expect(vp).to.be.a(L.MarkerCluster);
expect(vp._icon).to.not.be(null);
expect(vp._icon).to.not.be(undefined);
});
it('returns null if the marker and parents are all not visible', function () {
group = new L.MarkerClusterGroup();
var marker = new L.Marker([5.5, 1.5]);
var marker2 = new L.Marker([5.5, 1.5]);
group.addLayers([marker, marker2]);
map.addLayer(group);
var vp = group.getVisibleParent(marker);
expect(vp).to.be(null);
});
});