446 lines
14 KiB
JavaScript
446 lines
14 KiB
JavaScript
describe("Map", function () {
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var map,
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spy;
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beforeEach(function () {
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map = L.map(document.createElement('div'));
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});
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describe("#remove", function () {
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it("fires an unload event if loaded", function () {
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var container = document.createElement('div'),
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map = new L.Map(container).setView([0, 0], 0),
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spy = sinon.spy();
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map.on('unload', spy);
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map.remove();
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expect(spy.called).to.be.ok();
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});
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it("fires no unload event if not loaded", function () {
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var container = document.createElement('div'),
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map = new L.Map(container),
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spy = sinon.spy();
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map.on('unload', spy);
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map.remove();
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expect(spy.called).not.to.be.ok();
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});
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describe("corner case checking", function () {
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it("throws an exception upon reinitialization", function () {
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var container = document.createElement('div'),
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map = new L.Map(container);
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expect(function () {
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new L.Map(container);
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}).to.throwException(function(e) {
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expect(e.message).to.eql("Map container is already initialized.");
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});
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map.remove();
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});
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it("throws an exception if a container is not found", function () {
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expect(function () {
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new L.Map('nonexistentdivelement');
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}).to.throwException(function(e) {
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expect(e.message).to.eql("Map container not found.");
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});
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map.remove();
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});
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});
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it("undefines container._leaflet", function () {
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var container = document.createElement('div'),
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map = new L.Map(container);
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map.remove();
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expect(container._leaflet).to.be(undefined);
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});
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it("unbinds events", function () {
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var container = document.createElement('div'),
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map = new L.Map(container).setView([0, 0], 1),
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spy = sinon.spy();
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map.on('click dblclick mousedown mouseup mousemove', spy);
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map.remove();
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happen.click(container);
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happen.dblclick(container);
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happen.mousedown(container);
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happen.mouseup(container);
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happen.mousemove(container);
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expect(spy.called).to.not.be.ok();
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});
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});
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describe('#getCenter', function () {
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it('throws if not set before', function () {
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expect(function () {
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map.getCenter();
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}).to.throwError();
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});
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it('returns a precise center when zoomed in after being set (#426)', function () {
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var center = L.latLng(10, 10);
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map.setView(center, 1);
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map.setZoom(19);
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expect(map.getCenter()).to.eql(center);
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});
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it('returns correct center after invalidateSize (#1919)', function () {
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map.setView(L.latLng(10, 10), 1);
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map.invalidateSize();
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expect(map.getCenter()).not.to.eql(L.latLng(10, 10));
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});
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});
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describe("#whenReady", function () {
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describe("when the map has not yet been loaded", function () {
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it("calls the callback when the map is loaded", function () {
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var spy = sinon.spy();
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map.whenReady(spy);
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expect(spy.called).to.not.be.ok();
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map.setView([0, 0], 1);
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expect(spy.called).to.be.ok();
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});
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});
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describe("when the map has already been loaded", function () {
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it("calls the callback immediately", function () {
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var spy = sinon.spy();
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map.setView([0, 0], 1);
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map.whenReady(spy);
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expect(spy.called).to.be.ok();
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});
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});
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});
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describe("#setView", function () {
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it("sets the view of the map", function () {
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expect(map.setView([51.505, -0.09], 13)).to.be(map);
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expect(map.getZoom()).to.be(13);
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expect(map.getCenter().distanceTo([51.505, -0.09])).to.be.lessThan(5);
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});
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});
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describe("#getBounds", function () {
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it("is safe to call from within a moveend callback during initial load (#1027)", function () {
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map.on("moveend", function () {
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map.getBounds();
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});
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map.setView([51.505, -0.09], 13);
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});
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});
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describe("#getMinZoom and #getMaxZoom", function () {
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describe('#getMinZoom', function () {
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it('returns 0 if not set by Map options or TileLayer options', function () {
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var map = L.map(document.createElement('div'));
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expect(map.getMinZoom()).to.be(0);
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});
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});
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it("minZoom and maxZoom options overrides any minZoom and maxZoom set on layers", function () {
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var map = L.map(document.createElement('div'), {minZoom: 2, maxZoom: 20});
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L.tileLayer("{z}{x}{y}", {minZoom: 4, maxZoom: 10}).addTo(map);
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L.tileLayer("{z}{x}{y}", {minZoom: 6, maxZoom: 17}).addTo(map);
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L.tileLayer("{z}{x}{y}", {minZoom: 0, maxZoom: 22}).addTo(map);
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expect(map.getMinZoom()).to.be(2);
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expect(map.getMaxZoom()).to.be(20);
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});
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});
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describe("#addLayer", function () {
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it("calls layer.onAdd immediately if the map is ready", function () {
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var layer = { onAdd: sinon.spy() };
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map.setView([0, 0], 0);
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map.addLayer(layer);
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expect(layer.onAdd.called).to.be.ok();
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});
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it("calls layer.onAdd when the map becomes ready", function () {
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var layer = { onAdd: sinon.spy() };
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map.addLayer(layer);
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expect(layer.onAdd.called).not.to.be.ok();
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map.setView([0, 0], 0);
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expect(layer.onAdd.called).to.be.ok();
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});
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it("does not call layer.onAdd if the layer is removed before the map becomes ready", function () {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() };
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map.addLayer(layer);
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map.removeLayer(layer);
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map.setView([0, 0], 0);
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expect(layer.onAdd.called).not.to.be.ok();
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});
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it("fires a layeradd event immediately if the map is ready", function () {
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var layer = { onAdd: sinon.spy() },
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spy = sinon.spy();
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map.on('layeradd', spy);
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map.setView([0, 0], 0);
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map.addLayer(layer);
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expect(spy.called).to.be.ok();
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});
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it("fires a layeradd event when the map becomes ready", function () {
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var layer = { onAdd: sinon.spy() },
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spy = sinon.spy();
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map.on('layeradd', spy);
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map.addLayer(layer);
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expect(spy.called).not.to.be.ok();
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map.setView([0, 0], 0);
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expect(spy.called).to.be.ok();
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});
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it("does not fire a layeradd event if the layer is removed before the map becomes ready", function () {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() },
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spy = sinon.spy();
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map.on('layeradd', spy);
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map.addLayer(layer);
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map.removeLayer(layer);
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map.setView([0, 0], 0);
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expect(spy.called).not.to.be.ok();
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});
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it("adds the layer before firing layeradd", function (done) {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() };
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map.on('layeradd', function() {
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expect(map.hasLayer(layer)).to.be.ok();
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done();
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});
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map.setView([0, 0], 0);
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map.addLayer(layer);
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});
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describe("When the first layer is added to a map", function () {
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it("fires a zoomlevelschange event", function () {
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var spy = sinon.spy();
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map.on("zoomlevelschange", spy);
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expect(spy.called).not.to.be.ok();
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L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
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expect(spy.called).to.be.ok();
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});
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});
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describe("when a new layer with greater zoomlevel coverage than the current layer is added to a map", function () {
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it("fires a zoomlevelschange event", function () {
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var spy = sinon.spy();
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L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
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map.on("zoomlevelschange", spy);
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expect(spy.called).not.to.be.ok();
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L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 15 }).addTo(map);
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expect(spy.called).to.be.ok();
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});
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});
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describe("when a new layer with the same or lower zoomlevel coverage as the current layer is added to a map", function () {
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it("fires no zoomlevelschange event", function () {
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var spy = sinon.spy();
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L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
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map.on("zoomlevelschange", spy);
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expect(spy.called).not.to.be.ok();
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L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
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expect(spy.called).not.to.be.ok();
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L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 5 }).addTo(map);
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expect(spy.called).not.to.be.ok();
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});
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});
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});
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describe("#removeLayer", function () {
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it("calls layer.onRemove if the map is ready", function () {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() };
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map.setView([0, 0], 0);
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map.addLayer(layer);
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map.removeLayer(layer);
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expect(layer.onRemove.called).to.be.ok();
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});
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it("does not call layer.onRemove if the layer was not added", function () {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() };
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map.setView([0, 0], 0);
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map.removeLayer(layer);
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expect(layer.onRemove.called).not.to.be.ok();
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});
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it("does not call layer.onRemove if the map is not ready", function () {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() };
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map.addLayer(layer);
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map.removeLayer(layer);
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expect(layer.onRemove.called).not.to.be.ok();
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});
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it("fires a layerremove event if the map is ready", function () {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() },
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spy = sinon.spy();
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map.on('layerremove', spy);
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map.setView([0, 0], 0);
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map.addLayer(layer);
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map.removeLayer(layer);
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expect(spy.called).to.be.ok();
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});
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it("does not fire a layerremove if the layer was not added", function () {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() },
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spy = sinon.spy();
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map.on('layerremove', spy);
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map.setView([0, 0], 0);
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map.removeLayer(layer);
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expect(spy.called).not.to.be.ok();
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});
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it("does not fire a layerremove if the map is not ready", function () {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() },
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spy = sinon.spy();
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map.on('layerremove', spy);
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map.addLayer(layer);
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map.removeLayer(layer);
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expect(spy.called).not.to.be.ok();
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});
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it("removes the layer before firing layerremove", function (done) {
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var layer = { onAdd: sinon.spy(), onRemove: sinon.spy() };
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map.on('layerremove', function() {
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expect(map.hasLayer(layer)).not.to.be.ok();
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done();
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});
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map.setView([0, 0], 0);
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map.addLayer(layer);
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map.removeLayer(layer);
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});
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describe("when the last tile layer on a map is removed", function () {
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it("fires a zoomlevelschange event", function () {
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map.whenReady(function(){
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var spy = sinon.spy();
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var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
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map.on("zoomlevelschange", spy);
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expect(spy.called).not.to.be.ok();
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map.removeLayer(tl);
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expect(spy.called).to.be.ok();
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});
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});
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});
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describe("when a tile layer is removed from a map and it had greater zoom level coverage than the remainding layer", function () {
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it("fires a zoomlevelschange event", function () {
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map.whenReady(function(){
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var spy = sinon.spy(),
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tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
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t2 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 15 }).addTo(map);
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map.on("zoomlevelschange", spy);
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expect(spy.called).to.not.be.ok();
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map.removeLayer(t2);
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expect(spy.called).to.be.ok();
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});
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});
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});
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describe("when a tile layer is removed from a map it and it had lesser or the sa,e zoom level coverage as the remainding layer(s)", function () {
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it("fires no zoomlevelschange event", function () {
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map.whenReady(function(){
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var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
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t2 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
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t3 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 5 }).addTo(map);
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map.on("zoomlevelschange", spy);
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expect(spy).not.toHaveBeenCalled();
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map.removeLayer(t2);
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expect(spy).not.toHaveBeenCalled();
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map.removeLayer(t3);
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expect(spy).not.toHaveBeenCalled();
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});
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});
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});
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});
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describe("#eachLayer", function () {
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it("returns self", function () {
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expect(map.eachLayer(function () {})).to.be(map);
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});
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it("calls the provided function for each layer", function () {
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var t1 = L.tileLayer("{z}{x}{y}").addTo(map),
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t2 = L.tileLayer("{z}{x}{y}").addTo(map),
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spy = sinon.spy();
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map.eachLayer(spy);
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expect(spy.callCount).to.eql(2);
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expect(spy.firstCall.args).to.eql([t1]);
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expect(spy.secondCall.args).to.eql([t2]);
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});
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it("calls the provided function with the provided context", function () {
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var t1 = L.tileLayer("{z}{x}{y}").addTo(map),
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spy = sinon.spy();
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map.eachLayer(spy, map);
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expect(spy.thisValues[0]).to.eql(map);
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});
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});
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describe("#invalidateSize", function () {
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var container,
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orig_width = 100;
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beforeEach(function () {
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container = map.getContainer();
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container.style.width = orig_width + "px";
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document.body.appendChild(container);
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map.setView([0, 0], 0);
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map.invalidateSize({pan: false});
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});
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afterEach(function () {
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document.body.removeChild(container);
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});
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it("pans by the right amount when growing in 1px increments", function () {
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container.style.width = (orig_width + 1) + "px";
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map.invalidateSize();
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expect(map._getMapPanePos().x).to.be(1);
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container.style.width = (orig_width + 2) + "px";
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map.invalidateSize();
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expect(map._getMapPanePos().x).to.be(1);
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container.style.width = (orig_width + 3) + "px";
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map.invalidateSize();
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expect(map._getMapPanePos().x).to.be(2);
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});
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it("pans by the right amount when shrinking in 1px increments", function () {
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container.style.width = (orig_width - 1) + "px";
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map.invalidateSize();
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expect(map._getMapPanePos().x).to.be(0);
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container.style.width = (orig_width - 2) + "px";
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map.invalidateSize();
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expect(map._getMapPanePos().x).to.be(-1);
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container.style.width = (orig_width - 3) + "px";
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map.invalidateSize();
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expect(map._getMapPanePos().x).to.be(-1);
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});
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it("pans back to the original position after growing by an odd size then returning to the original size", function () {
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container.style.width = (orig_width + 5) + "px";
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map.invalidateSize();
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container.style.width = orig_width + "px";
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map.invalidateSize();
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expect(map._getMapPanePos().x).to.be(0);
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});
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});
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});
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