terriajs/test/Models/NowViewingSpec.js

Geospatial data visualization platform.

'use strict';

/*global require,describe,xdescribe,it,expect,beforeEach*/
var NowViewing = require('../../lib/Models/NowViewing');
var Terria = require('../../lib/Models/Terria');
var Cesium = require('../../lib/Models/Cesium');
var CesiumWidget = require('terriajs-cesium/Source/Widgets/CesiumWidget/CesiumWidget');
var Leaflet = require('../../lib/Models/Leaflet');
var L = require('leaflet');
var CatalogItem = require('../../lib/Models/CatalogItem');
var supportsWebGL = require('../../lib/Core/supportsWebGL');
var TileCoordinatesImageryProvider = require('terriajs-cesium/Source/Scene/TileCoordinatesImageryProvider');

describe('NowViewing without a viewer', function() {

    var terria;
    var nowViewing;

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

    it('can add an item', function() {
        var item = new CatalogItem(terria);
        expect(nowViewing.items.length).toEqual(0);
        nowViewing.add(item);
        expect(nowViewing.items.length).toEqual(1);
    });

});

var describeIfSupported = supportsWebGL() ? describe : xdescribe;

// only run these tests if the browser supports WebGL
// the browser may still not show WebGL properly - see TerriaViewer.js for a more precise test if needed

describeIfSupported('NowViewing with a minimal Cesium viewer', function() {
    var container;
    var widget;
    var cesium;
    var terria;
    var nowViewing;

    beforeEach(function() {
        container = document.createElement('div');
        document.body.appendChild(container);

        widget = new CesiumWidget(container, {
            imageryProvider: new TileCoordinatesImageryProvider()
        });
        terria = new Terria({
            baseUrl: './'
        });
        cesium = new Cesium(terria, widget);
        terria.currentViewer = cesium;
        terria.cesium = cesium;
        nowViewing = terria.nowViewing;
    });

    afterEach(function() {
        if (widget && !widget.isDestroyed()) {
            widget = widget.destroy();
        }
        document.body.removeChild(container);
    });


    it('can raise an item', function() {
        var item1 = new CatalogItem(terria);
        var item2 = new CatalogItem(terria);
        nowViewing.add(item1);
        nowViewing.add(item2);
        expect(nowViewing.items.indexOf(item1)).toEqual(1);
        nowViewing.raise(item1);
        expect(nowViewing.items.indexOf(item1)).toEqual(0);
    });

    it('can lower an item', function() {
        var item1 = new CatalogItem(terria);
        var item2 = new CatalogItem(terria);
        nowViewing.add(item1);
        nowViewing.add(item2);
        expect(nowViewing.items.indexOf(item1)).toEqual(1);
        nowViewing.lower(item2);
        expect(nowViewing.items.indexOf(item1)).toEqual(0);
    });

});

describe('NowViewing with a minimal Leaflet viewer', function() {
    var container;
    var leaflet;
    var terria;
    var nowViewing;

    beforeEach(function() {
        terria = new Terria({
            baseUrl: './'
        });
        container = document.createElement('div');
        container.id = 'container';
        document.body.appendChild(container);
        var map = L.map('container').setView([-28.5, 135], 5);

        leaflet = new Leaflet(terria, map);
        terria.currentViewer = leaflet;
        terria.leaflet = leaflet;
        nowViewing = terria.nowViewing;
    });

    afterEach(function() {
        document.body.removeChild(container);
    });

    it('can raise an item', function() {
        var item1 = new CatalogItem(terria);
        var item2 = new CatalogItem(terria);
        nowViewing.add(item1);
        nowViewing.add(item2);
        expect(nowViewing.items.indexOf(item1)).toEqual(1);
        nowViewing.raise(item1);
        expect(nowViewing.items.indexOf(item1)).toEqual(0);
    });

    it('can lower an item', function() {
        var item1 = new CatalogItem(terria);
        var item2 = new CatalogItem(terria);
        nowViewing.add(item1);
        nowViewing.add(item2);
        expect(nowViewing.items.indexOf(item1)).toEqual(1);
        nowViewing.lower(item2);
        expect(nowViewing.items.indexOf(item1)).toEqual(0);
    });

});