/opt/canhelp/node_modules/leaflet.markercluster/spec/suites
Edit: /opt/canhelp/node_modules/leaflet.markercluster/spec/suites/RefreshSpec.js (12929B)
describe('refreshClusters', function () {
/////////////////////////////
// SETUP FOR EACH TEST
/////////////////////////////
var clock, div, map, group;
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.clearLayers();
map.removeLayer(group);
}
map.remove();
div.remove()
clock.restore();
clock = div = map = group = null;
});
function getClusterAtZoom(marker, zoom) {
var parent = marker.__parent;
while (parent && parent._zoom !== zoom) {
parent = parent.__parent;
}
return parent;
}
function setMapView() {
// Now look at the markers to force cluster icons drawing.
// Corresponds to zoom level 8 for the above div dimensions.
map.fitBounds(new L.LatLngBounds([
[1, 1],
[2, 2]
]));
}
/////////////////////////////
// TESTS
/////////////////////////////
it('flags all non-visible parent clusters of a given marker', function () {
group = L.markerClusterGroup().addTo(map);
var marker1 = L.marker([1.5, 1.5]).addTo(group),
marker2 = L.marker([1.5, 1.5]).addTo(group); // Needed to force a cluster.
setMapView();
var marker1cluster10 = getClusterAtZoom(marker1, 10),
marker1cluster2 = getClusterAtZoom(marker1, 2),
marker1cluster5 = getClusterAtZoom(marker1, 5);
// First go to some zoom levels so that Leaflet initializes clusters icons.
expect(marker1cluster10._iconNeedsUpdate).to.be.ok();
map.setZoom(10, {animate: false});
expect(marker1cluster10._iconNeedsUpdate).to.not.be.ok();
expect(marker1cluster2._iconNeedsUpdate).to.be.ok();
map.setZoom(2, {animate: false});
expect(marker1cluster2._iconNeedsUpdate).to.not.be.ok();
// Finish on an intermediate zoom level.
expect(marker1cluster5._iconNeedsUpdate).to.be.ok();
map.setZoom(5, {animate: false});
expect(marker1cluster5._iconNeedsUpdate).to.not.be.ok();
// Run any animation.
clock.tick(1000);
// Then request clusters refresh.
// No need to actually modify the marker.
group.refreshClusters(marker1);
// Now check that non-visible clusters are flagged as "dirty".
expect(marker1cluster10._iconNeedsUpdate).to.be.ok();
expect(marker1cluster2._iconNeedsUpdate).to.be.ok();
// Also check that visible clusters are "un-flagged" since they should be re-drawn.
expect(marker1cluster5._iconNeedsUpdate).to.not.be.ok();
});
it('re-draws visible clusters', function () {
group = L.markerClusterGroup({
iconCreateFunction: function (cluster) {
var markers = cluster.getAllChildMarkers();
for(var i in markers) {
if (markers[i].changed) {
return new L.DivIcon({
className: "changed"
});
}
}
return new L.DivIcon({
className: "original"
});
}
}).addTo(map);
var marker1 = L.marker([1.5, 1.5]).addTo(group),
marker2 = L.marker([1.5, 1.5]).addTo(group); // Needed to force a cluster.
setMapView();
var marker1cluster9 = getClusterAtZoom(marker1, 9);
// First go to some zoom levels so that Leaflet initializes clusters icons.
expect(marker1cluster9._iconNeedsUpdate).to.be.ok();
map.setZoom(9, {animate: false});
expect(marker1cluster9._iconNeedsUpdate).to.not.be.ok();
expect(marker1cluster9._icon.className).to.contain("original");
expect(marker1cluster9._icon.className).to.not.contain("changed");
// Run any animation.
clock.tick(1000);
// Alter the marker.
marker1.changed = true;
// Then request clusters refresh.
group.refreshClusters(marker1);
// Now check that visible clusters icon is re-drawn.
expect(marker1cluster9._icon.className).to.contain("changed");
expect(marker1cluster9._icon.className).to.not.contain("original");
});
// Shared code for the 2 below tests
function iconCreateFunction(cluster) {
var markers = cluster.getAllChildMarkers();
for(var i in markers) {
if (markers[i].changed) {
return new L.DivIcon({
className: "changed"
});
}
}
return new L.DivIcon({
className: "original"
});
}
it('re-draws markers in singleMarkerMode', function () {
group = L.markerClusterGroup({
singleMarkerMode: true,
iconCreateFunction: iconCreateFunction
}).addTo(map);
var marker1 = L.marker([1.5, 1.5]).addTo(group);
setMapView();
expect(marker1._icon.className).to.contain("original");
// Alter the marker.
marker1.changed = true;
// Then request clusters refresh.
group.refreshClusters(marker1);
expect(marker1._icon.className).to.contain("changed");
expect(marker1._icon.className).to.not.contain("original");
});
it('does not modify markers that do not belong to the current group (in singleMarkerMode)', function () {
group = L.markerClusterGroup({
singleMarkerMode: true,
iconCreateFunction: iconCreateFunction
}).addTo(map);
var marker1 = L.marker([1.5, 1.5]).addTo(group),
marker2 = L.marker([1.5, 1.5], {
icon: iconCreateFunction({
getAllChildMarkers: function () {
return marker2;
}
})
}).addTo(map);
setMapView();
expect(marker1._icon.className).to.contain("original");
expect(marker2._icon.className).to.contain("original");
// Alter the markers.
marker1.changed = true;
marker2.changed = true;
// Then request clusters refresh.
group.refreshClusters([marker1, marker2]);
expect(marker1._icon.className).to.contain("changed");
expect(marker1._icon.className).to.not.contain("original");
expect(marker2._icon.className).to.contain("original");
expect(marker2._icon.className).to.not.contain("changed");
});
// Shared code for below tests.
var marker1 = L.marker([1.5, 1.5]),
marker2 = L.marker([1.5, 1.5]), // Needed to force a cluster.
marker3 = L.marker([1.1, 1.1]),
marker4 = L.marker([1.1, 1.1]), // Needed to force a cluster.
marker5 = L.marker([1.9, 1.9]),
marker6 = L.marker([1.9, 1.9]), // Needed to force a cluster.
marker1cluster8,
marker1cluster3,
marker1cluster5,
marker3cluster8,
marker3cluster3,
marker3cluster5,
marker5cluster8,
marker5cluster3,
marker5cluster5;
function init3clusterBranches() {
group = L.markerClusterGroup({
maxClusterRadius: 2 // Make sure we keep distinct clusters.
}).addTo(map);
// Populate Marker Cluster Group.
marker1.addTo(group);
marker2.addTo(group);
marker3.addTo(group);
marker4.addTo(group);
marker5.addTo(group);
marker6.addTo(group);
setMapView();
marker1cluster8 = getClusterAtZoom(marker1, 8);
marker1cluster3 = getClusterAtZoom(marker1, 3);
marker1cluster5 = getClusterAtZoom(marker1, 5);
marker3cluster8 = getClusterAtZoom(marker3, 8);
marker3cluster3 = getClusterAtZoom(marker3, 3);
marker3cluster5 = getClusterAtZoom(marker3, 5);
marker5cluster8 = getClusterAtZoom(marker5, 8);
marker5cluster3 = getClusterAtZoom(marker5, 3);
marker5cluster5 = getClusterAtZoom(marker5, 5);
// Make sure we have 3 distinct clusters up to zoom level Z (let's choose Z = 3)
expect(marker1cluster3._childCount).to.equal(2);
expect(marker3cluster3._childCount).to.equal(2);
expect(marker5cluster3._childCount).to.equal(2);
// First go to some zoom levels so that Leaflet initializes clusters icons.
expect(marker1cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker3cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker5cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker1cluster3._iconNeedsUpdate).to.be.ok();
expect(marker3cluster3._iconNeedsUpdate).to.be.ok();
expect(marker5cluster3._iconNeedsUpdate).to.be.ok();
map.setZoom(3, {animate: false});
expect(marker1cluster3._iconNeedsUpdate).to.not.be.ok();
expect(marker3cluster3._iconNeedsUpdate).to.not.be.ok();
expect(marker5cluster3._iconNeedsUpdate).to.not.be.ok();
// Finish on an intermediate zoom level.
expect(marker1cluster5._iconNeedsUpdate).to.be.ok();
expect(marker3cluster5._iconNeedsUpdate).to.be.ok();
expect(marker5cluster5._iconNeedsUpdate).to.be.ok();
map.setZoom(5, {animate: false});
expect(marker1cluster5._iconNeedsUpdate).to.not.be.ok();
expect(marker3cluster5._iconNeedsUpdate).to.not.be.ok();
expect(marker5cluster5._iconNeedsUpdate).to.not.be.ok();
// Run any animation.
clock.tick(1000);
// Ready to refresh clusters with method of choice and assess result.
}
it('does not flag clusters of other markers', function () {
init3clusterBranches();
// Then request clusters refresh.
// No need to actually modify the marker.
group.refreshClusters(marker1);
// Now check that non-visible clusters are flagged as "dirty".
expect(marker1cluster8._iconNeedsUpdate).to.be.ok();
expect(marker1cluster3._iconNeedsUpdate).to.be.ok();
// Finally check that non-involved clusters are not "dirty".
expect(marker3cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker3cluster3._iconNeedsUpdate).to.not.be.ok();
expect(marker5cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker5cluster3._iconNeedsUpdate).to.not.be.ok();
});
it('processes itself when no argument is passed', function () {
init3clusterBranches();
// Then request clusters refresh.
// No need to actually modify the marker.
group.refreshClusters();
// Now check that non-visible clusters are flagged as "dirty".
expect(marker1cluster8._iconNeedsUpdate).to.be.ok();
expect(marker1cluster3._iconNeedsUpdate).to.be.ok();
expect(marker3cluster8._iconNeedsUpdate).to.be.ok();
expect(marker3cluster3._iconNeedsUpdate).to.be.ok();
expect(marker5cluster8._iconNeedsUpdate).to.be.ok();
expect(marker5cluster3._iconNeedsUpdate).to.be.ok();
});
it('accepts an array of markers', function () {
init3clusterBranches();
// Then request clusters refresh.
// No need to actually modify the markers.
group.refreshClusters([marker1, marker5]);
// Clusters of marker3 and 4 shall not be flagged.
// Now check that non-visible clusters are flagged as "dirty".
expect(marker1cluster8._iconNeedsUpdate).to.be.ok();
expect(marker1cluster3._iconNeedsUpdate).to.be.ok();
expect(marker5cluster8._iconNeedsUpdate).to.be.ok();
expect(marker5cluster3._iconNeedsUpdate).to.be.ok();
// Clusters of marker3 and 4 shall not be flagged.
expect(marker3cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker3cluster3._iconNeedsUpdate).to.not.be.ok();
});
it('accepts a mapping of markers', function () {
init3clusterBranches();
// Then request clusters refresh.
// No need to actually modify the markers.
group.refreshClusters({
id1: marker1,
id2: marker5
}); // Clusters of marker3 and 4 shall not be flagged.
// Now check that non-visible clusters are flagged as "dirty".
expect(marker1cluster8._iconNeedsUpdate).to.be.ok();
expect(marker1cluster3._iconNeedsUpdate).to.be.ok();
expect(marker5cluster8._iconNeedsUpdate).to.be.ok();
expect(marker5cluster3._iconNeedsUpdate).to.be.ok();
// Clusters of marker3 and 4 shall not be flagged.
expect(marker3cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker3cluster3._iconNeedsUpdate).to.not.be.ok();
});
it('accepts an L.LayerGroup', function () {
init3clusterBranches();
// Then request clusters refresh.
// No need to actually modify the markers.
var layerGroup = new L.LayerGroup([marker1, marker5]);
group.refreshClusters(layerGroup);
// Clusters of marker3 and 4 shall not be flagged.
// Now check that non-visible clusters are flagged as "dirty".
expect(marker1cluster8._iconNeedsUpdate).to.be.ok();
expect(marker1cluster3._iconNeedsUpdate).to.be.ok();
expect(marker5cluster8._iconNeedsUpdate).to.be.ok();
expect(marker5cluster3._iconNeedsUpdate).to.be.ok();
// Clusters of marker3 and 4 shall not be flagged.
expect(marker3cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker3cluster3._iconNeedsUpdate).to.not.be.ok();
});
it('accepts an L.MarkerCluster', function () {
init3clusterBranches();
// Then request clusters refresh.
// No need to actually modify the markers.
group.refreshClusters(marker1cluster8);
// Clusters of marker3, 4, 5 and 6 shall not be flagged.
// Now check that non-visible clusters are flagged as "dirty".
expect(marker1cluster8._iconNeedsUpdate).to.be.ok();
expect(marker1cluster3._iconNeedsUpdate).to.be.ok();
// Clusters of marker3 and 4 shall not be flagged.
expect(marker3cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker3cluster3._iconNeedsUpdate).to.not.be.ok();
expect(marker5cluster8._iconNeedsUpdate).to.not.be.ok();
expect(marker5cluster3._iconNeedsUpdate).to.not.be.ok();
});
});