89 lines
2.7 KiB
JavaScript
89 lines
2.7 KiB
JavaScript
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describe('TileLayer', function () {
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var tileUrl = '';
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describe("#getMaxZoom, #getMinZoom", function () {
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var map;
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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("when a tilelayer is added to a map with no other layers", function () {
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it("has the same zoomlevels as the tilelayer", function () {
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var maxZoom = 10,
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minZoom = 5;
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map.setView([0, 0], 1);
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L.tileLayer(tileUrl, {
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maxZoom: maxZoom,
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minZoom: minZoom
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}).addTo(map);
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expect(map.getMaxZoom()).to.be(maxZoom);
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expect(map.getMinZoom()).to.be(minZoom);
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});
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});
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describe("accessing a tilelayer's properties", function () {
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it('provides a container', function () {
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map.setView([0, 0], 1);
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var layer = L.tileLayer(tileUrl).addTo(map);
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expect(layer.getContainer()).to.be.ok();
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});
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});
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describe("when a tilelayer is added to a map that already has a tilelayer", function () {
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it("has its zoomlevels updated to fit the new layer", function () {
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map.setView([0, 0], 1);
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L.tileLayer(tileUrl, {minZoom: 10, maxZoom: 15}).addTo(map);
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expect(map.getMinZoom()).to.be(10);
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expect(map.getMaxZoom()).to.be(15);
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L.tileLayer(tileUrl, {minZoom: 5, maxZoom: 10}).addTo(map);
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expect(map.getMinZoom()).to.be(5); // changed
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expect(map.getMaxZoom()).to.be(15); // unchanged
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L.tileLayer(tileUrl, {minZoom: 10, maxZoom: 20}).addTo(map);
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expect(map.getMinZoom()).to.be(5); // unchanged
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expect(map.getMaxZoom()).to.be(20); // changed
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L.tileLayer(tileUrl, {minZoom: 0, maxZoom: 25}).addTo(map);
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expect(map.getMinZoom()).to.be(0); // changed
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expect(map.getMaxZoom()).to.be(25); // changed
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});
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});
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describe("when a tilelayer is removed from a map", function () {
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it("has its zoomlevels updated to only fit the layers it currently has", function () {
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var tiles = [ L.tileLayer(tileUrl, {minZoom: 10, maxZoom: 15}).addTo(map),
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L.tileLayer(tileUrl, {minZoom: 5, maxZoom: 10}).addTo(map),
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L.tileLayer(tileUrl, {minZoom: 10, maxZoom: 20}).addTo(map),
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L.tileLayer(tileUrl, {minZoom: 0, maxZoom: 25}).addTo(map)
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];
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map.whenReady(function () {
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expect(map.getMinZoom()).to.be(0);
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expect(map.getMaxZoom()).to.be(25);
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map.removeLayer(tiles[0]);
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expect(map.getMinZoom()).to.be(0);
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expect(map.getMaxZoom()).to.be(25);
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map.removeLayer(tiles[3]);
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expect(map.getMinZoom()).to.be(5);
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expect(map.getMaxZoom()).to.be(20);
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map.removeLayer(tiles[2]);
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expect(map.getMinZoom()).to.be(5);
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expect(map.getMaxZoom()).to.be(10);
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map.removeLayer(tiles[1]);
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expect(map.getMinZoom()).to.be(0);
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expect(map.getMaxZoom()).to.be(Infinity);
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});
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});
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});
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});
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});
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