471 lines
21 KiB
JavaScript
471 lines
21 KiB
JavaScript
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describe('TileLayer', function () {
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var div, map;
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// Placekitten via http://placekitten.com/attribution.html
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// Image licensed under CC-by-sa by http://flickr.com/photos/lachlanrogers/
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var placeKitten = "data:image/jpeg;base64," +
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"jtxQwt0b5bfgnGcnj9ajY7NsfOBztU/eB6f1p7TbQiyhVVhkkf0NFwJP3eSvlqz7SQNx7fjSeXAhUSp8" +
|
|
"zZ4DMAPTPNVGkCM4RmkTH3QByfr6VIJWLFFUhVP3c9hj/GgCUrblcRxjdnABc+v1pESLzCu0BSOCHJpr" +
|
|
"uyqPLGBgdcE9qWfccKkjHPIAGCe55pASx+U4+RcnnPzdOeKeLtVAPRfXjpVJXHmbkjwxO193AOPenEsC" +
|
|
"6FcLg5BXOR7UwL51DYwCnKkH5uOfpxThqBaTChmGcdACf0qioWKLap/djhiw/lUTTBBlXUNwu4jGPrQF" +
|
|
"jVe/8pNxGPwHH6UPqixkAg88c1mO4k/dhsnOSegaka5IuFUnf/Cc0hWEYg52jAApA5I4HfvQQclexNGW" +
|
|
"yCo6CmMQKfNyB8voO1SEggKMMB69aaCVwBgMaSNdrZbGetAEpYbcD7wPOaRwQN60wEGQqzYHXilMiopT" +
|
|
"gFqAFEmRtLEKelBQ7ODwp3fUVE2CwXjI7etOB2kEnCnk0gHMWCZBBA5waUOQFKjDD73vQoV28xecDjml" +
|
|
"YhnDNuwMfdoAeJGBLlei9M9DTT8zHy3OWPJ6dqVQecjO4ZHPamq5YNgkAcZxQAsbeXwo3DB5YdaVcHBx" +
|
|
"jPy8/pTTkptZhsHIP1pWCchAoZOuT29RQA4EjaMEtgkvnv6UuXdkbIV+BtA4NMWbdsY4jwOcetNlmCyA" +
|
|
"nhlzyO9ACiXytrAEuq/M/b3/AKUFfMA3R7v9psfN+FRo0ZLsOSozj1HpQCXLFFJ3EcE9fwoAcGdxMqsh" +
|
|
"ZABux26kU0gvFtiyu37pHfrxSARZZXVFkA6cnj2oiKDYy/LzhSvANADtzBOW5U8gr0Hp/n0p5EbgyIev" +
|
|
"A+UcY/rUB8vzMqSDux0yMU/Cb5I4xnYOAOOR1oAQSojPt5fA2grx7mhtyysp++xI3E8fhUIDGHzNzEqC" +
|
|
"c4GSO4pgkVleNju2EbWXJIPX+tAFoSS+YZECFcYZc9cfypuQJQ5YKSSoAOMcfpTVPlTAbfMVuGI65xmn" +
|
|
"bvMcvltrA5XGcfWgALRjDMSXVcbVByeal8xGjByFkYZIA4x3qKNzIzMVztBGf73HUflUZd5REQ2MAk7R" +
|
|
"1HrQAquBAVL5cE7QOQB/WpCFjQblRt3p16+lVvNaVsJtx95iRwRUsLLLM5LEEfJuP+fpQA5iylVHCY25" +
|
|
"+p4pgcLlApaReASc/p+NNztnZWG5Sc4PC/jRKjSnICkFtodRjaRQBYUEsGJzzSM+CQenak3KEznpRGvt" +
|
|
"nuDQABQMtgk4oVhhQeCT1p+SRzx2zUZA4A5weaAH7xk8Co16/NzzkVIQGITjPceoowPMKjGBxg0AMGyQ" +
|
|
"ccFT1Jpy7VG0c55Ge1REHIGMj2qVOUyMjHHNCAXeSBuyQB/D0pFUeWgxgg8ikI2ABn3BjyQOKC26Js5U" +
|
|
"KeCOtADvMKjhTxwMHoaESVyGz2wQecmow5EqEAfN61IU5BGVwcsR0oAPvwhwNuBgjrimoFWXIB564z17" +
|
|
"Usf+sw4EeGxt9fSnytsJPX1wRzQBGhL/AC4Kruzg8EikMfAO7gtn2/Cn/e4XI4+8fWmnyhEVHBVTgA5N" +
|
|
"ACNEHCvGnlqDkn6+v8qd5wQMEGM5weeKbDxuX5lAUHvnGKVHYTmADeeDnnP4flQAFkYDeMsRjOMfXmmp" +
|
|
"E4ywVQct8uePrQ5Ryqldz4wT2z3/ABoyqkRhm2HkL3Oc8ZoAEbywHTnBz/umo45Sc8MApwWPUk84Gal3" +
|
|
"gomQgG/LAZ6Djp60x2C/wru+6zngA5/p0oAczB9igtsZfXH+e1JuhjiPeRiqkKOnb+lMXdEyuRkvgBWO" +
|
|
"c8f4UTOYuWYDqC3U/wCetADkVwyP5YIHy5JH4ZpIo3ALNtCk856/UGhJUL5jyqMRnHG7/PFMkUIoO0lw" +
|
|
"PlBz9RQA4Rt8m5z1xuxjqeBn2pqgpKFAJiAyGx8x4NOkc42oMFskhjUfzbyXPynK5QZIFAD4jHIXdJSo" +
|
|
"HDA8546Uxtodd0iDHGQeVPsKcxVPuA7duSSMg9v5UNgyGVhtHRsAYx659aAHsElixJIwA4znH48VGVYB" +
|
|
"jGFMa9ieRSJhHCI24KCDu7+/0pMxwuWQEqMlsnlqQFgjd8rde9S4IUbTjApp2nADD607PAw1MAMilCMc" +
|
|
"ikBBzjOTQqKWwR1pUR1fABx3oATJ8wsueOMHijaWJPpzk1In3XUn5vUU4AMmCcH6UAV2di27qRxxUpDA" +
|
|
"fdO5ecgfzpBEJGYg4IGBSh9uVLHJ60ANDEMDjdk8g0pQFWbGTT8FiVK557d6a2VGeQvb1FADWjYKdwHy" +
|
|
"84+tOVsDDDt90jNBk3yA8lgBnHNI5JUsRnPTA6UAARSNxG9up9qiLmRyI/mBOODincOm1gwdeBx1FKiG" +
|
|
"Mhwo+bgigBJEWNiTuUDnAbPaiNoxyxwTj34pFYtMwbGw9QewpwjVjjd8q8ADgUASearEOqsVXgDP3uOK" +
|
|
"gLxh/MCt847GmtAIpDEmVXlmbPNPkCvONrfOg+UN/n60AAyVLoBvXCnByB71Ai52syblJ6sRhhVpUDFg" +
|
|
"G2q2MKTj8ajIACxqvyA8DoM9DxQBHIrZJPPOQucbgPehiqxh8ghVycjnGf5UjeZ1YkBjksfUetKVzHhl" +
|
|
"OG7jBI9P60AEIaIAygKTjAPbg4FClZl3MeJOPu8HPFK5Jl3rsbC4XdxnrmmLuXCwxkL3XHXP1/z1oAdc" +
|
|
"REGNY13tnPoM+3vUjyCSLaQW2t8wzgn3qAIEmG5y+CGHcA05GVV25AEhJTnkDpQA0H5mUZcBsEsMc+n0" +
|
|
"qMEAbA4BUkEHPNTRh5Y2wTuJ6MOvSovLEsSKoMar/Fnk9e9AEzMWg2hsEkjI71DCWhh+V94Xnjk/lTDG" +
|
|
"8kRchtw56dc9z/nvTjIftC+YoUtwMHqPegBiYZ98Qdc8fMP5VI+Vh8zZltuCPf2odlWMlmIIOwsw4P69" +
|
|
"qQzPJJgDeASMHuOx+lAH/9k=";
|
|
|
|
beforeEach(function () {
|
|
div = document.createElement('div');
|
|
div.style.width = '800px';
|
|
div.style.height = '600px';
|
|
div.style.visibility = 'hidden';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
map = L.map(div);
|
|
});
|
|
|
|
afterEach(function () {
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
function kittenLayerFactory(options) {
|
|
return L.tileLayer(placeKitten, options || {});
|
|
}
|
|
|
|
describe("number of kittens loaded", function () {
|
|
|
|
var clock, kittenLayer, counts;
|
|
|
|
// animationFrame helper, just runs requestAnimFrame() a given number of times
|
|
function runFrames(n) {
|
|
return _runFrames(n)();
|
|
}
|
|
|
|
function _runFrames(n) {
|
|
if (n) {
|
|
return function () {
|
|
clock.tick(40); // 40msec/frame ~= 25fps
|
|
map.fire('_frame');
|
|
L.Util.requestAnimFrame(_runFrames(n - 1));
|
|
};
|
|
} else {
|
|
return L.Util.falseFn;
|
|
}
|
|
}
|
|
|
|
beforeEach(function () {
|
|
clock = sinon.useFakeTimers();
|
|
|
|
kittenLayer = kittenLayerFactory();
|
|
|
|
counts = {
|
|
tileload: 0,
|
|
tileerror: 0,
|
|
tileloadstart: 0,
|
|
tileunload: 0
|
|
};
|
|
|
|
kittenLayer.on('tileload tileunload tileerror tileloadstart', function (ev) {
|
|
// console.log(ev.type);
|
|
counts[ev.type]++;
|
|
});
|
|
// grid.on('tileunload', function (ev) {
|
|
// console.log(ev.type, ev.coords, counts);
|
|
// });
|
|
|
|
map.options.fadeAnimation = false;
|
|
map.options.zoomAnimation = false;
|
|
});
|
|
|
|
afterEach(function () {
|
|
clock.restore();
|
|
kittenLayer.off();
|
|
kittenLayer = undefined;
|
|
counts = undefined;
|
|
});
|
|
|
|
it("Loads 8 kittens zoom 1", function (done) {
|
|
|
|
kittenLayer.on('load', function () {
|
|
expect(counts.tileloadstart).to.be(8);
|
|
expect(counts.tileload).to.be(8);
|
|
expect(counts.tileunload).to.be(0);
|
|
expect(kittenLayer._container.querySelectorAll('img').length).to.be(8);
|
|
done();
|
|
});
|
|
|
|
map.addLayer(kittenLayer).setView([0, 0], 1);
|
|
clock.tick(250);
|
|
});
|
|
|
|
|
|
// NOTE: This test has different behaviour in PhantomJS and graphical
|
|
// browsers due to CSS animations!
|
|
it.skipInPhantom("Loads 290, unloads 275 kittens on MAD-TRD flyTo()", function (done) {
|
|
|
|
this.timeout(10000); // This test takes longer than usual due to frames
|
|
|
|
var mad = [40.40, -3.7], trd = [63.41, 10.41];
|
|
|
|
kittenLayer.on('load', function () {
|
|
expect(counts.tileloadstart).to.be(12);
|
|
expect(counts.tileload).to.be(12);
|
|
expect(counts.tileunload).to.be(0);
|
|
kittenLayer.off('load');
|
|
|
|
map.on('zoomend', function () {
|
|
expect(counts.tileloadstart).to.be(290);
|
|
expect(counts.tileunload).to.be(275);
|
|
|
|
// image tiles take time, so then might not be fully loaded yet.
|
|
expect(counts.tileload).to.be.lessThan(counts.tileloadstart + 1);
|
|
expect(counts.tileload).to.be.greaterThan(counts.tileunload);
|
|
expect(kittenLayer._container.querySelectorAll('img').length).to.be(15);
|
|
done();
|
|
});
|
|
|
|
map.flyTo(trd, 12, {animate: true});
|
|
|
|
// map.on('_frame', function () {
|
|
// console.log('frame', counts);
|
|
// });
|
|
|
|
runFrames(500);
|
|
});
|
|
|
|
map.addLayer(kittenLayer).setView(mad, 12);
|
|
clock.tick(250);
|
|
});
|
|
|
|
});
|
|
|
|
describe('url template', function () {
|
|
beforeEach(function () {
|
|
div = document.createElement('div');
|
|
div.style.width = '400px';
|
|
div.style.height = '400px';
|
|
div.style.visibility = 'hidden';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
map = L.map(div).setView([0, 0], 2);
|
|
});
|
|
|
|
function eachImg(layer, callback) {
|
|
var imgtags = layer._container.children[0].children;
|
|
for (var i in imgtags) {
|
|
if (imgtags[i].tagName === 'IMG') {
|
|
callback(imgtags[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
it('replaces {y} with y coordinate', function () {
|
|
var layer = L.tileLayer('http://example.com/{z}/{y}/{x}.png').addTo(map);
|
|
|
|
var urls = [
|
|
'http://example.com/2/1/1.png',
|
|
'http://example.com/2/1/2.png',
|
|
'http://example.com/2/2/1.png',
|
|
'http://example.com/2/2/2.png'
|
|
];
|
|
|
|
var i = 0;
|
|
eachImg(layer, function (img) {
|
|
expect(img.src).to.eql(urls[i]);
|
|
i++;
|
|
});
|
|
});
|
|
|
|
it('replaces {-y} with inverse y coordinate', function () {
|
|
var layer = L.tileLayer('http://example.com/{z}/{-y}/{x}.png').addTo(map);
|
|
var urls = [
|
|
'http://example.com/2/2/1.png',
|
|
'http://example.com/2/2/2.png',
|
|
'http://example.com/2/1/1.png',
|
|
'http://example.com/2/1/2.png'
|
|
];
|
|
var i = 0;
|
|
eachImg(layer, function (img) {
|
|
expect(img.src).to.eql(urls[i]);
|
|
i++;
|
|
});
|
|
});
|
|
|
|
it('Does not replace {-y} on map with infinite CRS', function () {
|
|
var simplediv = document.createElement('div');
|
|
simplediv.style.width = '400px';
|
|
simplediv.style.height = '400px';
|
|
simplediv.style.visibility = 'hidden';
|
|
|
|
document.body.appendChild(simplediv);
|
|
var simpleMap = L.map(simplediv, {
|
|
crs: L.CRS.Simple
|
|
}).setView([0, 0], 5);
|
|
var layer = L.tileLayer('http://example.com/{z}/{-y}/{x}.png');
|
|
|
|
expect(function () {
|
|
layer.addTo(simpleMap);
|
|
}).to.throwError('No value provided for variable {-y}');
|
|
|
|
simpleMap.remove();
|
|
document.body.removeChild(simplediv);
|
|
});
|
|
|
|
it('replaces {s} with [abc] by default', function () {
|
|
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png').addTo(map);
|
|
|
|
eachImg(layer, function (img) {
|
|
expect(['a', 'b', 'c'].indexOf(img.src[7]) >= 0).to.eql(true);
|
|
});
|
|
});
|
|
|
|
it('replaces {s} with specified prefixes', function () {
|
|
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
|
|
subdomains: 'qrs'
|
|
}).addTo(map);
|
|
|
|
eachImg(layer, function (img) {
|
|
expect(['q', 'r', 's'].indexOf(img.src[7]) >= 0).to.eql(true);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('minNativeZoom', function () {
|
|
before(function () {
|
|
div = document.createElement('div');
|
|
div.style.width = '400px';
|
|
div.style.height = '400px';
|
|
div.style.visibility = 'hidden';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
map = L.map(div).setView([0, 0], 0);
|
|
});
|
|
|
|
it('returns downscaled tileSize when zoom is lower than minNativeZoom (zoom = 0, minNativeZoom = 1)', function () {
|
|
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
|
|
minNativeZoom: 1,
|
|
tileSize: 256
|
|
}).addTo(map);
|
|
map.setView([0, 0], 0);
|
|
expect(map.getZoom()).to.equal(0);
|
|
expect(layer.getTileSize().x).to.equal(128);
|
|
expect(layer.getTileSize().y).to.equal(128);
|
|
});
|
|
|
|
it('returns regular tileSize when zoom is equal to minNativeZoom (zoom = 1, minNativeZoom = 1)', function () {
|
|
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
|
|
minNativeZoom: 1,
|
|
tileSize: 256
|
|
}).addTo(map);
|
|
map.setView([0, 0], 1);
|
|
expect(map.getZoom()).to.equal(1);
|
|
expect(layer.getTileSize().x).to.equal(256);
|
|
expect(layer.getTileSize().y).to.equal(256);
|
|
});
|
|
|
|
it('returns regular tileSize when zoom is greater than minNativeZoom (zoom = 2, minNativeZoom = 1)', function () {
|
|
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
|
|
minNativeZoom: 1,
|
|
tileSize: 256
|
|
}).addTo(map);
|
|
map.setView([0, 0], 2);
|
|
expect(map.getZoom()).to.equal(2);
|
|
expect(layer.getTileSize().x).to.equal(256);
|
|
expect(layer.getTileSize().y).to.equal(256);
|
|
});
|
|
});
|
|
|
|
describe('maxNativeZoom', function () {
|
|
before(function () {
|
|
div = document.createElement('div');
|
|
div.style.width = '400px';
|
|
div.style.height = '400px';
|
|
div.style.visibility = 'hidden';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
map = L.map(div).setView([0, 0], 0);
|
|
});
|
|
|
|
it('returns upscaled tileSize when zoom is higher than maxNativeZoom (zoom = 2, maxNativeZoom = 1)', function () {
|
|
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
|
|
maxNativeZoom: 1,
|
|
tileSize: 256
|
|
}).addTo(map);
|
|
map.setView([0, 0], 2);
|
|
expect(layer.getTileSize().x).to.equal(512);
|
|
expect(layer.getTileSize().y).to.equal(512);
|
|
});
|
|
|
|
it('returns regular tileSize when zoom is equal to minNativeZoom (zoom = 1, maxNativeZoom = 1)', function () {
|
|
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
|
|
maxNativeZoom: 1,
|
|
tileSize: 256
|
|
}).addTo(map);
|
|
map.setView([0, 0], 1);
|
|
expect(layer.getTileSize().x).to.equal(256);
|
|
expect(layer.getTileSize().y).to.equal(256);
|
|
});
|
|
|
|
it('returns regular tileSize when zoom is lower than minNativeZoom (zoom = 0, maxNativeZoom = 1)', function () {
|
|
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
|
|
maxNativeZoom: 1,
|
|
tileSize: 256
|
|
}).addTo(map);
|
|
map.setView([0, 0], 0);
|
|
expect(layer.getTileSize().x).to.equal(256);
|
|
expect(layer.getTileSize().y).to.equal(256);
|
|
});
|
|
});
|
|
});
|