auto_tests/tests/visibility.js

   1 /**
   2  * @fileoverview Tests for the setVisibility function.
   3  * @author sergeyslepian@gmail.com
   4  */
   5
   6 var VisibilityTestCase = TestCase("visibility");
   7
   8 VisibilityTestCase.prototype.setUp = function() {
   9   document.body.innerHTML = "<div id='graph'></div>";
  10 };
  11
  12 VisibilityTestCase.prototype.tearDown = function() {
  13 };
  14
  15 /**
  16  * Does a bunch of the shared busywork of setting up a graph and changing its visibility.
  17  * @param {boolean} startingVisibility The starting visibility of all series on the graph
  18  * @param {*[]} setVisibilityArgs An array of arguments to be passed directly to setVisibility()
  19  * @returns {string} The output of Util.getLegend() called after the visibility is set
  20  */
  21 VisibilityTestCase.prototype.getVisibleSeries = function(startingVisibility, setVisibilityArgs) {
  22   var opts = {
  23     width: 480,
  24     height: 320,
  25     labels: ['x', 'A', 'B', 'C', 'D', 'E'],
  26     legend: 'always',
  27     visibility: []
  28   };
  29
  30   // set the starting visibility
  31   var numSeries = opts.labels.length - 1;
  32   for(var i = 0; i < numSeries; i++) {
  33     opts.visibility[i] = startingVisibility;
  34   }
  35
  36   var data = [];
  37   for (var j = 0; j < 10; j++) {
  38     data.push([j, 1, 2, 3, 4, 5]);
  39   }
  40
  41   var graph = document.getElementById("graph");
  42   var g = new Dygraph(graph, data, opts);
  43
  44   g.setVisibility.apply(g, setVisibilityArgs);
  45
  46   return Util.getLegend();
  47 };
  48
  49 VisibilityTestCase.prototype.testDefaultCases = function() {
  50   assertEquals(' A  B  C  D  E', this.getVisibleSeries(true, [[], true]));
  51   assertEquals('', this.getVisibleSeries(false, [[], true]));
  52 };
  53
  54 VisibilityTestCase.prototype.testSingleSeriesHide = function() {
  55   assertEquals(' A  C  D  E', this.getVisibleSeries(true, [1, false]));
  56 };
  57
  58 VisibilityTestCase.prototype.testSingleSeriesShow = function() {
  59   assertEquals(' E', this.getVisibleSeries(false, [4, true]));
  60 };
  61
  62 VisibilityTestCase.prototype.testMultiSeriesHide = function() {
  63   assertEquals(' A  E', this.getVisibleSeries(true, [[1,2,3], false]));
  64 };
  65
  66 VisibilityTestCase.prototype.testMultiSeriesShow = function() {
  67   assertEquals(' B  D', this.getVisibleSeries(false, [[1,3], true]));
  68 };