auto_tests/tests/multi_csv.js

   1 /**
   2  * @fileoverview Test cases for how axis labels are chosen and formatted.
   3  *
   4  * @author dan@dygraphs.com (Dan Vanderkam)
   5  */
   6
   7 import Dygraph from '../../src/dygraph';
   8
   9 describe("multi-csv", function() {
  10
  11 cleanupAfterEach();
  12
  13 function getXLabels() {
  14   var x_labels = document.getElementsByClassName("dygraph-axis-label-x");
  15   var ary = [];
  16   for (var i = 0; i < x_labels.length; i++) {
  17     ary.push(x_labels[i].innerHTML);
  18   }
  19   return ary;
  20 }
  21
  22 it('testOneCSV', function() {
  23   var opts = {
  24     width: 480,
  25     height: 320
  26   };
  27   var data = "X,Y\n" +
  28       "0,-1\n" +
  29       "1,0\n" +
  30       "2,1\n" +
  31       "3,0\n"
  32   ;
  33
  34   var graph = document.getElementById("graph");
  35   var g = new Dygraph(graph, data, opts);
  36
  37   assert.deepEqual(['0', '1', '2'], getXLabels());
  38 });
  39
  40 it('testTwoCSV', function() {
  41   var opts = {
  42     width: 480,
  43     height: 320
  44   };
  45   var data = "X,Y\n" +
  46       "0,-1\n" +
  47       "1,0\n" +
  48       "2,1\n" +
  49       "3,0\n"
  50   ;
  51
  52   var graph = document.getElementById("graph");
  53   var g = new Dygraph(graph, data, opts);
  54
  55   assert.deepEqual(['0', '1', '2'], getXLabels());
  56
  57   g.updateOptions({file: data});
  58
  59   assert.deepEqual(['0', '1', '2'], getXLabels());
  60 });
  61
  62 });