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| describe("Map", function () {
var map,
spy;
beforeEach(function () {
map = L.map(document.createElement('div'));
});
describe("#remove", function () {
it("fires an unload event if loaded", function () {
var container = document.createElement('div'),
map = new L.Map(container).setView([0, 0], 0),
spy = sinon.spy();
map.on('unload', spy);
map.remove();
expect(spy.called).to.be.ok();
});
it("fires no unload event if not loaded", function () {
var container = document.createElement('div'),
map = new L.Map(container),
spy = sinon.spy();
map.on('unload', spy);
map.remove();
expect(spy.called).not.to.be.ok();
});
it("undefines container._leaflet", function () {
var container = document.createElement('div'),
map = new L.Map(container);
map.remove();
expect(container._leaflet).to.be(undefined);
});
it("unbinds events", function () {
var container = document.createElement('div'),
map = new L.Map(container).setView([0, 0], 1),
spy = sinon.spy();
map.on('click dblclick mousedown mouseup mousemove', spy);
map.remove();
happen.click(container);
happen.dblclick(container);
happen.mousedown(container);
happen.mouseup(container);
happen.mousemove(container);
expect(spy.called).to.not.be.ok();
});
});
describe('#getCenter', function () {
it ('throws if not set before', function () {
expect(function () {
map.getCenter();
}).to.throwError();
});
});
describe("#whenReady", function () {
describe("when the map has not yet been loaded", function () {
it("calls the callback when the map is loaded", function () {
var spy = sinon.spy();
map.whenReady(spy);
expect(spy.called).to.not.be.ok();
map.setView([0, 0], 1);
expect(spy.called).to.be.ok();
});
});
describe("when the map has already been loaded", function () {
it("calls the callback immediately", function () {
var spy = sinon.spy();
map.setView([0, 0], 1);
map.whenReady(spy);
expect(spy.called).to.be.ok();
});
});
});
describe("#setView", function () {
it("sets the view of the map", function () {
expect(map.setView([51.505, -0.09], 13)).to.be(map);
expect(map.getZoom()).to.be(13);
expect(map.getCenter().distanceTo([51.505, -0.09])).to.be.lessThan(5);
});
});
describe("#getBounds", function () {
it("is safe to call from within a moveend callback during initial load (#1027)", function () {
map.on("moveend", function () {
map.getBounds();
});
map.setView([51.505, -0.09], 13);
});
});
describe("#getMinZoom and #getMaxZoom", function () {
it("minZoom and maxZoom options overrides any minZoom and maxZoom set on layers", function () {
var c = document.createElement('div'),
map = L.map(c, { minZoom: 5, maxZoom: 10 });
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
L.tileLayer("{z}{x}{y}", { minZoom:5, maxZoom: 15 }).addTo(map);
expect(map.getMinZoom()).to.be(5);
expect(map.getMaxZoom()).to.be(10);
});
});
describe("#addLayer", function () {
describe("When the first layer is added to a map", function () {
it("fires a zoomlevelschange event", function () {
var spy = sinon.spy();
map.on("zoomlevelschange", spy);
expect(spy.called).not.to.be.ok();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
expect(spy.called).to.be.ok();
});
});
describe("when a new layer with greater zoomlevel coverage than the current layer is added to a map", function () {
it("fires a zoomlevelschange event", function () {
var spy = sinon.spy();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy.called).not.to.be.ok();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 15 }).addTo(map);
expect(spy.called).to.be.ok();
});
});
describe("when a new layer with the same or lower zoomlevel coverage as the current layer is added to a map", function () {
it("fires no zoomlevelschange event", function () {
var spy = sinon.spy();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy.called).not.to.be.ok();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
expect(spy.called).not.to.be.ok();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 5 }).addTo(map);
expect(spy.called).not.to.be.ok();
});
});
});
describe("#removeLayer", function () {
describe("when the last tile layer on a map is removed", function () {
it("fires a zoomlevelschange event", function () {
map.whenReady(function(){
var spy = sinon.spy();
var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy.called).not.to.be.ok();
map.removeLayer(tl);
expect(spy.called).to.be.ok();
});
});
});
describe("when a tile layer is removed from a map and it had greater zoom level coverage than the remainding layer", function () {
it("fires a zoomlevelschange event", function () {
map.whenReady(function(){
var spy = sinon.spy(),
tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
t2 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 15 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy.called).to.not.be.ok();
map.removeLayer(t2);
expect(spy.called).to.be.ok();
});
});
});
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 () {
it("fires no zoomlevelschange event", function () {
map.whenReady(function(){
var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
t2 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
t3 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 5 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
map.removeLayer(t2);
expect(spy).not.toHaveBeenCalled();
map.removeLayer(t3);
expect(spy).not.toHaveBeenCalled();
});
});
});
});
describe("#eachLayer", function () {
it("returns self", function () {
expect(map.eachLayer(function () {})).to.be(map);
});
it("calls the provided function for each layer", function () {
var t1 = L.tileLayer("{z}{x}{y}").addTo(map),
t2 = L.tileLayer("{z}{x}{y}").addTo(map),
spy = sinon.spy();
map.eachLayer(spy);
expect(spy.callCount).to.eql(2);
expect(spy.firstCall.args).to.eql([t1]);
expect(spy.secondCall.args).to.eql([t2]);
});
it("calls the provided function with the provided context", function () {
var t1 = L.tileLayer("{z}{x}{y}").addTo(map),
spy = sinon.spy();
map.eachLayer(spy, map);
expect(spy.thisValues[0]).to.eql(map);
});
});
});
|