fixed lzma decoding to fix browser requirements

test/acceptance/server.js

@@ -7,30 +7,15 @@ var semver      = require('semver');
 var mapnik      = require('mapnik');
 var Step        = require('step');
 var http        = require('http');
-var LZMA        = require('lzma/lzma_worker.js').LZMA;
 var SQLAPIEmu   = require(__dirname + '/../support/SQLAPIEmu.js');
 
-require(__dirname + '/../support/test_helper');
+var helper = require(__dirname + '/../support/test_helper');
 
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/cartodb_windshaft');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
 var server = new CartodbWindshaft(serverOptions);
 server.setMaxListeners(0);
 
-// Utility function to compress & encode LZMA
-function lzma_compress_to_base64(payload, mode, callback) {
-  var HEX = [ '0','1','2','3','4','5','6','7',
-              '8','9','a','b','c','d','e','f' ];
-  LZMA.compress(payload, mode, 
-    function(ints) {
-      var base64 = new Buffer(ints).toString('base64');
-      callback(null, base64);
-    },
-    function(percent) {
-      //console.log("Compressing: " + percent + "%");
-    }
-  );
-}
 
 suite('server', function() {
 
@@ -808,7 +793,7 @@ suite('server', function() {
           function compressQuery () {
             //console.log("Compressing starts");
             var next = this;
-            lzma_compress_to_base64(JSON.stringify(qo), 1, this);
+            helper.lzma_compress_to_base64(JSON.stringify(qo), 1, this);
             //cosole.log("compress returned " + x );
           },
           function sendRequest(err, lzma) {

test/support/test_helper.js

@@ -6,6 +6,7 @@
  */
 
 var _ = require('underscore');
+var LZMA  = require('lzma/lzma_worker.js').LZMA;
 
 // set environment specific variables
 global.settings     = require(__dirname + '/../../config/settings');
@@ -13,4 +14,21 @@ global.environment  = require(__dirname + '/../../config/environments/test');
 _.extend(global.settings, global.environment);
 
 
+// Utility function to compress & encode LZMA
+function lzma_compress_to_base64(payload, mode, callback) {
+  LZMA.compress(payload, mode, 
+    function(ints) {
+      ints = ints.map(function(c) { return String.fromCharCode(c + 128) }).join('')
+      var base64 = new Buffer(ints, 'binary').toString('base64');
+      callback(null, base64);
+    },
+    function(percent) {
+      //console.log("Compressing: " + percent + "%");
+    }
+  );
+}
+
+module.exports = {
+  lzma_compress_to_base64: lzma_compress_to_base64
+}
 

test/unit/cartodb/req2params.test.js

@@ -62,5 +62,24 @@ suite('req2params', function() {
           });
       });
     });
+
+    test('it should extend params with decoded lzma', function(done) {
+      var qo = {
+        style: 'test',
+        style_version: '2.1.0',
+        cache_buster: 5
+      };
+      test_helper.lzma_compress_to_base64(JSON.stringify(qo), 1, function(err, data) {
+        opts.req2params({ query: { non_included: 'toberemoved', api_key: 'test', style: 'override', lzma: data }}, function(err, req) {
+          var query = req.params
+          assert.equal(qo.style, query.style)
+          assert.equal(qo.style_version, query.style_version)
+          assert.equal(qo.cache_buster, query.cache_buster)
+          assert.equal('test', query.api_key)
+          assert.equal(undefined, query.non_included)
+          done();
+        });
+      });
+    });
     
 });