b6ed5f2164
With this commit test files provide namespaces (using goog.provide). This fixes the issue reported by @bartvde where goog objects cannot be used in Jasmine "describe" functions. It also frees us from having to add script tags for the test files in test/ol.html.
107 lines
3.5 KiB
JavaScript
107 lines
3.5 KiB
JavaScript
goog.provide('ol.test.Projection');
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describe('ol.Projection', function() {
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describe('projection equivalence', function() {
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function _testAllEquivalent(codes) {
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var projections = goog.array.map(codes, ol.Projection.getFromCode);
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goog.array.forEach(projections, function(source) {
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goog.array.forEach(projections, function(destination) {
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expect(ol.Projection.equivalent(source, destination)).toBeTruthy();
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});
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});
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}
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it('gives that 3857, 102100, 102113, 900913 are equivalent ', function() {
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_testAllEquivalent([
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'EPSG:3857',
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'EPSG:102100',
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'EPSG:102113',
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'EPSG:900913'
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]);
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});
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it('gives that CRS:84, urn:ogc:def:crs:EPSG:6.6:4326, EPSG:4326 are ' +
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'equivalent', function() {
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_testAllEquivalent([
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'CRS:84',
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'urn:ogc:def:crs:EPSG:6.6:4326',
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'EPSG:4326'
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]);
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});
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});
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describe('identify transform', function() {
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it('returns a new object, with same coord values', function() {
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var epsg4326 = ol.Projection.getFromCode('EPSG:4326');
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var uniqueObject = {};
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var sourcePoint = new ol.Coordinate(uniqueObject, uniqueObject);
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var destinationPoint = ol.Projection.transform(
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sourcePoint, epsg4326, epsg4326);
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expect(sourcePoint === destinationPoint).toBeFalsy();
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expect(destinationPoint.x === sourcePoint.x).toBeTruthy();
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expect(destinationPoint.y === sourcePoint.y).toBeTruthy();
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});
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});
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describe('transform 0,0 from 4326 to 3857', function() {
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it('returns expected value', function() {
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var point = ol.Projection.transformWithCodes(
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new ol.Coordinate(0, 0), 'EPSG:4326', 'EPSG:3857');
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expect(point).not.toBeUndefined();
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expect(point).not.toBeNull();
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expect(point.y).toRoughlyEqual(0, 1e-9);
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});
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});
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describe('transform 0,0 from 3857 to 4326', function() {
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it('returns expected value', function() {
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var point = ol.Projection.transformWithCodes(
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new ol.Coordinate(0, 0), 'EPSG:3857', 'EPSG:4326');
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expect(point).not.toBeUndefined();
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expect(point).not.toBeNull();
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expect(point.x).toEqual(0);
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expect(point.y).toEqual(0);
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});
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});
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describe('transform from 4326 to 3857 (Alastaira)', function() {
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// http://alastaira.wordpress.com/2011/01/23/the-google-maps-bing-maps-spherical-mercator-projection/
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it('returns expected value', function() {
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var point = ol.Projection.transformWithCodes(
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new ol.Coordinate(-5.625, 52.4827802220782),
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'EPSG:4326',
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'EPSG:900913');
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expect(point).not.toBeUndefined();
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expect(point).not.toBeNull();
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expect(point.x).toRoughlyEqual(-626172.13571216376, 1e-9);
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expect(point.y).toRoughlyEqual(6887893.4928337997, 1e-8);
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});
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});
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describe('transform from 3857 to 4326 (Alastaira)', function() {
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// http://alastaira.wordpress.com/2011/01/23/the-google-maps-bing-maps-spherical-mercator-projection/
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it('returns expected value', function() {
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var point = ol.Projection.transformWithCodes(
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new ol.Coordinate(-626172.13571216376, 6887893.4928337997),
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'EPSG:900913',
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'EPSG:4326');
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expect(point).not.toBeUndefined();
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expect(point).not.toBeNull();
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expect(point.x).toRoughlyEqual(-5.625, 1e-9);
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expect(point.y).toRoughlyEqual(52.4827802220782, 1e-9);
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});
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});
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});
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goog.require('goog.array');
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goog.require('ol.Coordinate');
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goog.require('ol.Projection');
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