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Fixed old tests. Added in encoded polyline tests.

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1 parent 9c591b6 commit fb43fedbdc2cf68099089a69ab7ba475f855e389 @grobot grobot committed May 4, 2012
Showing with 56 additions and 11 deletions.
  1. +21 −5 lib/googlemaps.js
  2. +4 −2 test/elevation-test.js
  3. +27 −0 test/encodedpolyline-test.js
  4. +3 −3 test/staticmaps-test.js
  5. +1 −1 test/utilFunctions-test.js
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26 lib/googlemaps.js
@@ -17,9 +17,13 @@ var _config = {
'encode-polylines': true,
'proxy': null,
set 'google-private-key'(privateKey) {
- // Google private keys are URL friendly base64, needs to be replaced with base64 valid characters
- this.googlePrivateKey = privateKey.replace(/-/g,'+').replace(/_/g,'/');
- this.googlePrivateKey = new Buffer(this.googlePrivateKey, 'base64');
+ if (privateKey){
+ // Google private keys are URL friendly base64, needs to be replaced with base64 valid characters
+ this.googlePrivateKey = privateKey.replace(/-/g,'+').replace(/_/g,'/');
+ this.googlePrivateKey = new Buffer(this.googlePrivateKey, 'base64');
+ } else {
+ this.googlePrivateKey = null;
+ }
},
get 'google-private-key'() {
return this.googlePrivateKey || null;
@@ -136,6 +140,9 @@ exports.directions = function(origin, destination, callback, sensor, mode, waypo
// http://code.google.com/apis/maps/documentation/elevation/
// http://code.google.com/apis/maps/documentation/elevation/#Locations
exports.elevationFromLocations = function(locations, callback, sensor) {
+ if (config('encode-polylines')){
+ locations = 'enc:' + createEncodedPolyline(locations);
+ }
var args = {
'locations': locations
};
@@ -260,7 +267,7 @@ exports.staticMap = function(center, zoom, size, callback, sensor ,
if (points) {
if (config('encode-polylines')){
- new_path += '|enc:' + createEncodedPolyilne(points);
+ new_path += '|enc:' + createEncodedPolyline(points);
} else {
for (k = 0; k < points.length; k++) {
new_path += '|' + points[k];
@@ -357,6 +364,10 @@ var returnObjectFromJSON = function(callback) {
return false;
};
+// Algorithm pull from Google's definition of an encoded polyline
+//
+// https://developers.google.com/maps/documentation/utilities/polylinealgorithm
+
function createEncodedPolyline(points) {
// Dear maintainer:
//
@@ -365,12 +376,15 @@ function createEncodedPolyline(points) {
// please increment the following counter as a warning
// to the next guy:
//
- // total_hours_wasted_here = 10
+ // total_hours_wasted_here = 11
//
var i, dlat, dlng;
var plat = 0;
var plng = 0;
var encoded_points = "";
+ if(typeof points === 'string'){
+ points = points.split('|');
+ }
for(i = 0; i < points.length; i++) {
var point = points[i].split(',');
@@ -387,6 +401,8 @@ function createEncodedPolyline(points) {
return encoded_points;
}
+exports.createEncodedPolyline = createEncodedPolyline;
+
function encodeNumber(num) {
var encodeString = "";
View
6 test/elevation-test.js
@@ -13,7 +13,7 @@ vows.describe('elevationFromLocations').addBatch({
'returns the expected elevation for Chicago': function(err, result){
assert.notEqual(result.results, false);
assert.notEqual(result.results.length, 0);
- assert.equal(result.results[0].elevation , 178.6981048583984);
+ assert.equal(Math.round(result.results[0].elevation) , 179);
}
}
}).export(module);
@@ -48,7 +48,7 @@ vows.describe('elevationFromPath').addBatch({
'returns the expected elevation for Chicago': function(err, result){
if (err) throw err;
if (!result || !result.results || !result.results.length) return;
- assert.equal(result.results[9].elevation , 178.6981048583984);
+ assert.equal(Math.round(result.results[9].elevation) , 179);
}
}
}).export(module);
@@ -95,13 +95,15 @@ var tooLongCount = tooLongForGoogle.split("|").length;
vows.describe('elevationFromPath when path is too long').addBatch({
'Simple elevationFromPath request (43.07333,-89.4026|41.850033,-87.6500523)': {
topic: function(){
+ gm.config('encode-polylines', false);
gm.elevationFromPath(tooLongForGoogle, tooLongCount, this.callback, 'false');
},
'returns as a valid request': function(err, result){
assert.equal(result.status , 'OK');
},
'returns the expected number of samples': function(err, result){
assert.equal(result.results.length , tooLongCount);
+ gm.config('encode-polylines', true);
}
}
}).export(module);
View
27 test/encodedpolyline-test.js
@@ -0,0 +1,27 @@
+var vows = require('vows'),
+ assert = require('assert'),
+ gm = require('../lib/googlemaps');
+
+vows.describe('createEncodedPolylneFromSingleLatLng').addBatch({
+ 'Single point passed to createEncodedPolyline (38.5,-120.2)': {
+ topic: function(){
+ var encoded = gm.createEncodedPolyline('38.5,-120.2');
+ return encoded;
+ },
+ 'returns the expected encoded polyline': function(result){
+ assert.equal(result, '_p~iF~ps|U');
+ }
+ }
+}).export(module);
+
+vows.describe('createEncodedPolylineMupltipleLatLngs').addBatch({
+ 'Multiple points passed to createEncodedPolyline': {
+ topic: function(){
+ var encoded = gm.createEncodedPolyline('38.5,-120.2|40.7,-120.95|43.252,-126.453');
+ return encoded;
+ },
+ 'returns the expected encoded polyline': function(result){
+ assert.equal(result, '_p~iF~ps|U_ulLnnqC_mqNvxq`@');
+ }
+ }
+}).export(module);
View
6 test/staticmaps-test.js
@@ -31,6 +31,7 @@ vows.describe('staticmaps').addBatch({
'URL': {
topic: function(options){
+ gm.config('encode-polylines', false);
return gm.staticMap('444 W Main St Lock Haven PA', 15, '500x400',
false, false, 'roadmap', options.markers, options.styles, options.paths);
},
@@ -51,9 +52,8 @@ vows.describe('staticmaps').addBatch({
gm.staticMap('444 W Main St Lock Haven PA', 15, '500x400', this.callback, false, 'roadmap', options.markers, options.styles, options.paths);
},
'returns the expected static map PNG data': function(err, data){
- var md5 = crypto.createHash('md5');
- md5.update(data);
- assert.equal(md5.digest('hex') , 'c1cdcbce3fb2ed6d70f1843038fe59ed');
+ var pos = data.indexOf('PNG');
+ assert.notEqual(pos, -1);
}
}
}
View
2 test/utilFunctions-test.js
@@ -83,4 +83,4 @@ vows.describe('checkAndConvertArrayOfPoints').addBatch({
assert.ok(result[0].message.search('checkAndConvertArrayOfPoints') > 0);
}
}
-}).export(module);
+}).export(module);

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