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Tests for getting transforms

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These are regression tests for #231.
This commit is contained in:
Tim Schaub
2013-02-25 11:40:55 -07:00
parent ca85c26537
commit 52da64564c
1 changed files with 56 additions and 0 deletions
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56
test/spec/ol/projection.test.js
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@@ -2,6 +2,27 @@ goog.provide('ol.test.Projection');
describe('ol.Projection', function() {
beforeEach(function() {
spyOn(ol.Projection, 'addTransform').andCallThrough();
});
afterEach(function() {
var argsForCall = ol.Projection.addTransform.argsForCall;
for (var i = 0, ii = argsForCall.length; i < ii; ++i) {
try {
ol.Projection.removeTransform.apply(
ol.Projection, argsForCall[i].splice(0, 2));
} catch (error) {
if (error instanceof goog.asserts.AssertionError) {
// The removeTransform function may have been called explicitly by the
// tests, so we pass.
} else {
throw error;
}
}
}
});
describe('projection equivalence', function() {
function _testAllEquivalent(codes) {
@@ -125,12 +146,45 @@ describe('ol.Projection', function() {
});
describe('ol.Projection.getTransform()', function() {
var sm = ol.Projection.getFromCode('GOOGLE');
var gg = ol.Projection.getFromCode('EPSG:4326');
it('returns a transform function', function() {
var transform = ol.Projection.getTransform(sm, gg);
expect(typeof transform).toBe('function');
var coordinate = transform(new ol.Coordinate(-12000000, 5000000));
expect(coordinate.x).toRoughlyEqual(-107.79783409434258, 1e-9);
expect(coordinate.y).toRoughlyEqual(40.91627447067577, 1e-9);
});
});
describe('ol.Projection.getTransformFromCodes()', function() {
it('returns a function', function() {
var transform = ol.Projection.getTransformFromCodes(
'GOOGLE', 'EPSG:4326');
expect(typeof transform).toBe('function');
});
it('returns a transform function', function() {
var transform = ol.Projection.getTransformFromCodes(
'GOOGLE', 'EPSG:4326');
expect(typeof transform).toBe('function');
var coordinate = transform(
new ol.Coordinate(-626172.13571216376, 6887893.4928337997));
expect(coordinate.x).toRoughlyEqual(-5.625, 1e-9);
expect(coordinate.y).toRoughlyEqual(52.4827802220782, 1e-9);
});
});
describe('ol.Projection.removeTransform()', function() {
@@ -158,4 +212,6 @@ describe('ol.Projection', function() {
goog.require('goog.array');
goog.require('ol.Coordinate');
goog.require('ol.Extent');
goog.require('ol.Projection');
goog.require('ol.ProjectionUnits');