terriajs/test/Models/CesiumTerrainCatalogItemSpec.js

Geospatial data visualization platform.

'use strict';

/*global require*/
var CesiumTerrainCatalogItem = require('../../lib/Models/CesiumTerrainCatalogItem');
var CesiumTerrainProvider = require('terriajs-cesium/Source/Core/CesiumTerrainProvider');
var loadWithXhr = require('../../lib/Core/loadWithXhr');
var Terria = require('../../lib/Models/Terria');

describe('CesiumTerrainCatalogItem', function() {
    var terria;
    var item;

    beforeEach(function() {
        terria = new Terria({
            baseUrl: './'
        });
        item = new CesiumTerrainCatalogItem(terria);
    });

    it('has correct type', function() {
        expect(item.type).toBe('cesium-terrain');
        expect(item.typeName).toContain('Cesium');
    });

    it('creates imagery provider with correct URL', function(done) {
        spyOn(loadWithXhr, 'load').and.callFake(function(url, responseType, method, data, headers, deferred, overrideMimeType, preferText, timeout) {
            expect(url.indexOf('http://example.com/foo/bar')).toBe(0);
            deferred.resolve(JSON.stringify({
                tilejson: '2.1.0',
                format : 'heightmap-1.0',
                version : '1.0.0',
                scheme : 'tms',
                tiles : [
                    '{z}/{x}/{y}.terrain?v={version}'
                ]
            }));
        });

        item.url = 'http://example.com/foo/bar';
        var terrainProvider = item._createTerrainProvider();
        expect(terrainProvider instanceof CesiumTerrainProvider).toBe(true);
        terrainProvider.readyPromise.then(function() {
            expect(loadWithXhr.load.calls.any()).toBe(true);
        }).then(done);
    });
});