fixing csv2json tests

Author: mrodrig

lib/csv-2-json.js

@@ -88,19 +88,17 @@ var createDocument = function (keys, line) {
  * @returns {Array}
  */
 var convertCSV = function (lines, callback) {
-    var nonHeaderLines = lines.splice(1), // All lines that are not the header line
-        generatedHeaders = retrieveHeading(lines, callback), // Retrieve the headings from the CSV
-    // If the user specified keys, then filter the generated keys down to the user specified keys so we have the key index
+    var generatedHeaders = retrieveHeading(lines, callback), // Retrieve the headings from the CSV, unless the user specified the keys
+        nonHeaderLines = lines.splice(1), // All lines except for the header line
+    // If the user provided keys, filter the generated keys to just the user provided keys so we also have the key index
         headers = options.KEYS ? _.filter(generatedHeaders, function (headerKey) {
             return _.contains(options.KEYS, headerKey.value);
         }) : generatedHeaders;
 
-    // Reduce the nonHeaderLines into an array of documents representing the lines
-    return _.reduce(nonHeaderLines, function (jsonDocs, line) {
-        if (!line) { return; } // skip over empty lines
+    return _.reduce(nonHeaderLines, function (documentArray, line) { // For each line, create the document and add it to the array of documents
+        if (!line) { return documentArray; } // skip over empty lines
         var generatedDocument = createDocument(headers, line.trim());
-        jsonDocs.push(generatedDocument);
-        return jsonDocs;
+        return documentArray.concat(generatedDocument);
     }, []);
 };