auto_tests/tests/dygraph-options-tests.js

   1 /**
   2  * @fileoverview Test cases for DygraphOptions.
   3  */
   4 var DygraphOptionsTestCase = TestCase("dygraph-options-tests");
   5
   6 DygraphOptionsTestCase.prototype.setUp = function() {
   7   document.body.innerHTML = "<div id='graph'></div>";
   8 };
   9
  10 DygraphOptionsTestCase.prototype.tearDown = function() {
  11 };
  12
  13 /*
  14  * Pathalogical test to ensure getSeriesNames works
  15  */
  16 DygraphOptionsTestCase.prototype.testGetSeriesNames = function() {
  17   var opts = {
  18     width: 480,
  19     height: 320
  20   };
  21   var data = "X,Y,Y2,Y3\n" +
  22       "0,-1,0,0";
  23
  24   // Kind of annoying that you need a DOM to test the object.
  25   var graph = document.getElementById("graph");
  26   var g = new Dygraph(graph, data, opts);
  27
  28   // We don't need to get at g's attributes_ object just
  29   // to test DygraphOptions.
  30   var o = new DygraphOptions(g);
  31   assertEquals(["Y", "Y2", "Y3"], o.seriesNames());
  32 };
  33
  34 /*
  35  * Ensures that even if logscale is set globally, it doesn't impact the
  36  * x axis.
  37  */
  38 DygraphOptionsTestCase.prototype.getLogscaleForX = function() {
  39   var opts = {
  40     width: 480,
  41     height: 320
  42   };
  43   var data = "X,Y,Y2,Y3\n" +
  44       "1,-1,2,3";
  45
  46   // Kind of annoying that you need a DOM to test the object.
  47   var graph = document.getElementById("graph");
  48   var g = new Dygraph(graph, data, opts);
  49
  50   assertFalse(g.getOptionForAxis('logscale', 'x'));
  51   assertFalse(g.getOptionForAxis('logscale', 'y'));
  52
  53   g.updateOptions({ logscale : true });
  54   assertFalse(g.getOptionForAxis('logscale', 'x'));
  55   assertTrue(g.getOptionForAxis('logscale', 'y'));
  56 };