From cd872296479aecce62b74c787dc778732070c498 Mon Sep 17 00:00:00 2001
From: Robert Konigsberg <konigsberg@gmail.com>
Date: Sat, 30 Mar 2013 07:07:34 -0400
Subject: [PATCH] Add test suite for DygraphOptions object. Fix broken method
 in it.

---
 auto_tests/misc/local.html                |  1 +
 auto_tests/tests/dygraph-options-tests.js | 32 +++++++++++++++++++++++++++++++
 dygraph-options.js                        | 14 +++++++-------
 3 files changed, 40 insertions(+), 7 deletions(-)
 create mode 100644 auto_tests/tests/dygraph-options-tests.js

diff --git a/auto_tests/misc/local.html b/auto_tests/misc/local.html
index 74f57e6..3841372 100644
--- a/auto_tests/misc/local.html
+++ b/auto_tests/misc/local.html
@@ -26,6 +26,7 @@
   <script type="text/javascript" src="../tests/css.js"></script>
   <script type="text/javascript" src="../tests/custom_bars.js"></script>
   <script type="text/javascript" src="../tests/date_formats.js"></script>
+  <script type="text/javascript" src="../tests/dygraph-options-tests.js"></script>
   <script type="text/javascript" src="../tests/error_bars.js"></script>
   <script type="text/javascript" src="../tests/formats.js"></script>
   <script type="text/javascript" src="../tests/interaction_model.js"></script>
diff --git a/auto_tests/tests/dygraph-options-tests.js b/auto_tests/tests/dygraph-options-tests.js
new file mode 100644
index 0000000..691b24a
--- /dev/null
+++ b/auto_tests/tests/dygraph-options-tests.js
@@ -0,0 +1,32 @@
+/** 
+ * @fileoverview Test cases for DygraphOptions.
+ */
+var DygraphOptionsTestCase = TestCase("dygraph-options-tests");
+
+DygraphOptionsTestCase.prototype.setUp = function() {
+  document.body.innerHTML = "<div id='graph'></div>";
+};
+
+DygraphOptionsTestCase.prototype.tearDown = function() {
+};
+
+/*
+ * Pathalogical test to ensure getSeriesNames works
+ */
+DygraphOptionsTestCase.prototype.testGetSeriesNames = function() {
+  var opts = {
+    width: 480,
+    height: 320
+  };
+  var data = "X,Y,Y2,Y3\n" +
+      "0,-1,0,0";
+
+  // Kind of annoying that you need a DOM to test the object.
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data, opts);
+
+  // We don't need to get at g's attributes_ object just
+  // to test DygraphOptions.
+  var o = new DygraphOptions(g);
+  assertEquals(["Y", "Y2", "Y3"], o.seriesNames()); 
+};
diff --git a/dygraph-options.js b/dygraph-options.js
index 55bfe1a..6889a09 100644
--- a/dygraph-options.js
+++ b/dygraph-options.js
@@ -100,7 +100,7 @@ DygraphOptions.prototype.reparseSeries = function() {
     return; // -- can't do more for now, will parse after getting the labels.
   }
 
-  this.labels = labels.slice(1);
+  this.labels_ = labels.slice(1);
 
   this.yAxes_ = [ { series : [], options : {}} ]; // Always one axis at least.
   this.xAxis_ = { options : {} };
@@ -133,8 +133,8 @@ DygraphOptions.prototype.reparseSeries = function() {
   if (oldStyleSeries) {
     var axisId = 0; // 0-offset; there's always one.
     // Go through once, add all the series, and for those with {} axis options, add a new axis.
-    for (var idx = 0; idx < this.labels.length; idx++) {
-      var seriesName = this.labels[idx];
+    for (var idx = 0; idx < this.labels_.length; idx++) {
+      var seriesName = this.labels_[idx];
 
       var optionsForSeries = this.user_[seriesName] || {};
 
@@ -155,8 +155,8 @@ DygraphOptions.prototype.reparseSeries = function() {
 
     // Go through one more time and assign series to an axis defined by another
     // series, e.g. { 'Y1: { axis: {} }, 'Y2': { axis: 'Y1' } }
-    for (var idx = 0; idx < this.labels.length; idx++) {
-      var seriesName = this.labels[idx];
+    for (var idx = 0; idx < this.labels_.length; idx++) {
+      var seriesName = this.labels_[idx];
       var optionsForSeries = this.series_[seriesName]["options"];
       var axis = optionsForSeries["axis"];
 
@@ -172,8 +172,8 @@ DygraphOptions.prototype.reparseSeries = function() {
       }
     }
   } else {
-    for (var idx = 0; idx < this.labels.length; idx++) {
-      var seriesName = this.labels[idx];
+    for (var idx = 0; idx < this.labels_.length; idx++) {
+      var seriesName = this.labels_[idx];
       var optionsForSeries = this.user_.series[seriesName] || {};
       var yAxis = DygraphOptions.axisToIndex_(optionsForSeries["axis"]);
 
-- 
2.7.4