terriajs/test/Map/ReprojectSpec.js

Geospatial data visualization platform.

'use strict';

/*global require,describe,it,expect*/
var Reproject = require('../../lib/Map/Reproject');

describe('Reproject', function() {

    it('function crsStringToCode translates CRS strings to Proj4 codes', function() {
        expect(Reproject.crsStringToCode("EPSG:4326")).toEqual("EPSG:4326");
        expect(Reproject.crsStringToCode("EPSG:1234")).toEqual("EPSG:1234");
        expect(Reproject.crsStringToCode("urn:ogc:def:crs:EPSG:6.6:4326")).toEqual("EPSG:4326");
        expect(Reproject.crsStringToCode("urn:ogc:def:crs:EPSG:6.6:1241")).toEqual("EPSG:1241");
        expect(Reproject.crsStringToCode("urn:ogc:def:crs:EPSG::4326")).toEqual("EPSG:4326");
        expect(Reproject.crsStringToCode("urn:ogc:def:crs:EPSG::1241")).toEqual("EPSG:1241");
        expect(Reproject.crsStringToCode("CRS84")).toEqual("EPSG:4326");
    });

    it('function willNeedReprojecting predicts correctly if something needs reprojecting', function() {
        expect(Reproject.willNeedReprojecting("EPSG:4326")).toBe(false);
        expect(Reproject.willNeedReprojecting("CRS84")).toBe(true);
        expect(Reproject.willNeedReprojecting("EPSG:1234")).toBe(true);
    });

    it('function reprojectPoint reprojects a point from one CRS to another', function() {
        var result = Reproject.reprojectPoint([319180,6399862], "EPSG:3006","EPSG:4326");
        expect(result[0]).toBeCloseTo(11.965261850080005, 8);
        expect(result[1]).toBeCloseTo(57.70450563701629, 8);
    });
});