test.js

/**
 * Unit tests
 *
 * @package ol3-tilecache
 * @author Vladimir Vershinin <ghettovoice@gmail.com>
 */
var assert = chai.assert;

var urlTemplate = 'http://{a-c}.tileserver.org/{0z}/{x1}/{x2}/{x3}/{y1}/{y2}/{y3}.png';
var flipUrlTemplate = 'http://{a-c}.tileserver.org/{0z}/{x1}/{x2}/{x3}/{-y1}/{-y2}/{-y3}.png';
var tiles = [
    [ [ 5, 160, -10 ], 'http://b.tileserver.org/05/000/000/160/000/000/009.png', 'http://b.tileserver.org/05/000/000/160/000/000/022.png' ],
    [ [ 18, 6053278, -15687 ], 'http://b.tileserver.org/18/006/053/278/000/015/686.png', 'http://b.tileserver.org/18/006/053/278/000/246/457.png' ],
    [ [ 10, 10907, -826 ], 'http://b.tileserver.org/10/000/010/907/000/000/825.png', 'http://b.tileserver.org/10/000/010/907/000/000/198.png' ],
];

suite('ol3-tilecache tests', function () {
    test('Test URL template ' + urlTemplate, function () {
        var tileUrlFunction = ol.TileCacheUrlFunction.createTileUrlFunction(urlTemplate);
        var tileUrl;

        assert.typeOf(tileUrlFunction, 'function');

        tiles.map(function (arr) {
            tileUrl = tileUrlFunction(arr[ 0 ]);
            assert.equal(tileUrl, arr[ 1 ]);
        });
    });

    test('Test URL template ' + flipUrlTemplate, function () {
        var tileUrlFunction = ol.TileCacheUrlFunction.createTileUrlFunction(flipUrlTemplate);
        var tileUrl;

        tiles.map(function (arr) {
            tileUrl = tileUrlFunction(arr[ 0 ]);
            assert.equal(tileUrl, arr[ 2 ]);
        });
    });
});