X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fupdate_options.js;h=ac28e99b2abc38fe5670e26cac8c11ef31f81325;hb=ad617f174a6b4ec2aea3d06553534dcaf278a2bb;hp=628f6151135270bfe399ae4fee014c313ccb341a;hpb=66ad360904538151c5332d5cfbf811b59d1590a5;p=dygraphs.git

diff --git a/auto_tests/tests/update_options.js b/auto_tests/tests/update_options.js
index 628f615..ac28e99 100644
--- a/auto_tests/tests/update_options.js
+++ b/auto_tests/tests/update_options.js
@@ -19,25 +19,30 @@ UpdateOptionsTestCase.prototype.data = "X,Y1,Y2\n" +
   "2011-05-05,8,3\n";
 
 UpdateOptionsTestCase.prototype.setUp = function() {
-  document.body.innerHTML = "<div id='graph'></div><div id='labels'>";
+  document.body.innerHTML = "<div id='graph'></div><div id='labels'></div>";
 };
 
 UpdateOptionsTestCase.prototype.tearDown = function() {
 };
 
-UpdateOptionsTestCase.prototype.wrap = function(g) {
+/*
+ * Tweaks the dygraph so it sets g._testDrawCalled to true when internal method
+ * drawGraph_ is called. Call unWrapDrawGraph when done with this.
+ */
+UpdateOptionsTestCase.prototype.wrapDrawGraph = function(g) {
   g._testDrawCalled = false;
-  var oldDrawGraph = Dygraph.prototype.drawGraph_;
-  Dygraph.prototype.drawGraph_ = function() {
+  g._oldDrawGraph = g.drawGraph_;
+  g.drawGraph_ = function() {
     g._testDrawCalled = true;
-    oldDrawGraph.call(g);
+    g._oldDrawGraph.call(g);
   }
-
-  return oldDrawGraph;
 }
 
-UpdateOptionsTestCase.prototype.unWrap = function(oldDrawGraph) {
-  Dygraph.prototype.drawGraph_ = oldDrawGraph;
+/*
+ * See wrapDrawGraph
+ */
+UpdateOptionsTestCase.prototype.unwrapDrawGraph = function(g) {
+  g.drawGraph_ = g._oldDrawGraph;
 }
 
 UpdateOptionsTestCase.prototype.testStrokeAll = function() {
@@ -49,9 +54,9 @@ UpdateOptionsTestCase.prototype.testStrokeAll = function() {
 
   // These options will allow us to jump to renderGraph_()
   // drawGraph_() will be skipped.
-  var oldDrawGraph = this.wrap(graph);
+  this.wrapDrawGraph(graph);
   graph.updateOptions(updatedOptions);
-  this.unWrap(oldDrawGraph);
+  this.unwrapDrawGraph(graph);
   assertFalse(graph._testDrawCalled);
 };
 
@@ -66,9 +71,9 @@ UpdateOptionsTestCase.prototype.testStrokeSingleSeries = function() {
 
   // These options will allow us to jump to renderGraph_()
   // drawGraph_() will be skipped.
-  var oldDrawGraph = this.wrap(graph);
+  this.wrapDrawGraph(graph);
   graph.updateOptions(updatedOptions);
-  this.unWrap(oldDrawGraph);
+  this.unwrapDrawGraph(graph);
   assertFalse(graph._testDrawCalled);
 };
  
@@ -89,9 +94,9 @@ UpdateOptionsTestCase.prototype.testSingleSeriesRequiresNewPoints = function() {
 
   // These options will not allow us to jump to renderGraph_()
   // drawGraph_() must be called
-  var oldDrawGraph = this.wrap(graph);
+  this.wrapDrawGraph(graph);
   graph.updateOptions(updatedOptions);
-  this.unWrap(oldDrawGraph);
+  this.unwrapDrawGraph(graph);
   assertTrue(graph._testDrawCalled);
 };
 
@@ -105,9 +110,9 @@ UpdateOptionsTestCase.prototype.testWidthChangeNeedsNewPoints = function() {
 
   // These options will not allow us to jump to renderGraph_()
   // drawGraph_() must be called
-  var oldDrawGraph = this.wrap(graph);
+  this.wrapDrawGraph(graph);
   graph.updateOptions(updatedOptions);
-  this.unWrap(oldDrawGraph);
+  this.unwrapDrawGraph(graph);
   assertTrue(graph._testDrawCalled);
 };
 
@@ -119,3 +124,51 @@ UpdateOptionsTestCase.prototype.testUpdateLabelsDivDoesntInfiniteLoop = function
   graph.updateOptions({labelsDiv : labelsDiv});
 }
 
+// Test https://github.com/danvk/dygraphs/issues/247
+UpdateOptionsTestCase.prototype.testUpdateColors = function() {
+  var graphDiv = document.getElementById("graph");
+  var graph = new Dygraph(graphDiv, this.data, this.opts);
+
+  var defaultColors = ["rgb(0,128,0)", "rgb(0,0,128)"];
+  assertEquals(["rgb(0,128,0)", "rgb(0,0,128)"], graph.getColors());
+
+  var colors1 = [ "#aaa", "#bbb" ];
+  graph.updateOptions({ colors: colors1 });
+  assertEquals(colors1, graph.getColors());
+
+  // extra colors are ignored until you add additional data series.
+  var colors2 = [ "#ddd", "#eee", "#fff" ];
+  graph.updateOptions({ colors: colors2 });
+  assertEquals(["#ddd", "#eee"], graph.getColors());
+
+  graph.updateOptions({ file:
+      "X,Y1,Y2,Y3\n" +
+      "2011-01-01,2,3,4\n" +
+      "2011-02-02,5,3,2\n"
+  });
+  assertEquals(colors2, graph.getColors());
+
+  graph.updateOptions({ colors: null, file: this.data });
+  assertEquals(defaultColors, graph.getColors());
+}
+
+// Regression test for http://code.google.com/p/dygraphs/issues/detail?id=249
+// Verifies that setting 'legend: always' via update immediately shows the
+// legend.
+UpdateOptionsTestCase.prototype.testUpdateLegendAlways = function() {
+  var graphDiv = document.getElementById("graph");
+  var graph = new Dygraph(graphDiv, this.data, this.opts);
+
+  var legend = document.getElementsByClassName("dygraph-legend");
+  assertEquals(1, legend.length);
+  legend = legend[0];
+  assertEquals("", legend.innerHTML);
+
+  graph.updateOptions({legend: 'always'});
+
+  legend = document.getElementsByClassName("dygraph-legend");
+  assertEquals(1, legend.length);
+  legend = legend[0];
+  assertNotEquals(-1, legend.textContent.indexOf("Y1"));
+  assertNotEquals(-1, legend.textContent.indexOf("Y2"));
+};