auto_tests/tests/visibility.js

   1 /**
   2  * @fileoverview Tests for the setVisibility function.
   3  * @author sergeyslepian@gmail.com
   4  */
   5
   6 import Dygraph from '../../src/dygraph';
   7 import Util from './Util';
   8
   9 describe("visibility", function() {
  10
  11 cleanupAfterEach();
  12
  13 /**
  14  * Does a bunch of the shared busywork of setting up a graph and changing its visibility.
  15  * @param {boolean} startingVisibility The starting visibility of all series on the graph
  16  * @param {*[]} setVisibilityArgs An array of arguments to be passed directly to setVisibility()
  17  * @returns {string} The output of Util.getLegend() called after the visibility is set
  18  */
  19 var getVisibleSeries = function(startingVisibility, setVisibilityArgs) {
  20   var opts = {
  21     width: 480,
  22     height: 320,
  23     labels: ['x', 'A', 'B', 'C', 'D', 'E'],
  24     legend: 'always',
  25     visibility: []
  26   };
  27
  28   // set the starting visibility
  29   var numSeries = opts.labels.length - 1;
  30   for(var i = 0; i < numSeries; i++) {
  31     opts.visibility[i] = startingVisibility;
  32   }
  33
  34   var data = [];
  35   for (var j = 0; j < 10; j++) {
  36     data.push([j, 1, 2, 3, 4, 5]);
  37   }
  38
  39   var graph = document.getElementById("graph");
  40   var g = new Dygraph(graph, data, opts);
  41
  42   g.setVisibility.apply(g, setVisibilityArgs);
  43
  44   return Util.getLegend();
  45 };
  46
  47 it('testDefaultCases', function() {
  48   assert.equal(' A  B  C  D  E', getVisibleSeries(true, [[], true]));
  49   assert.equal('', getVisibleSeries(false, [[], true]));
  50 });
  51
  52 it('testSingleSeriesHide', function() {
  53   assert.equal(' A  C  D  E', getVisibleSeries(true, [1, false]));
  54 });
  55
  56 it('testSingleSeriesShow', function() {
  57   assert.equal(' E', getVisibleSeries(false, [4, true]));
  58 });
  59
  60 it('testMultiSeriesHide', function() {
  61   assert.equal(' A  E', getVisibleSeries(true, [[1,2,3], false]));
  62 });
  63
  64 it('testMultiSeriesShow', function() {
  65   assert.equal(' B  D', getVisibleSeries(false, [[1,3], true]));
  66 });
  67
  68 it('testObjectSeriesShowAndHide', function() {
  69   assert.equal(' B  D', getVisibleSeries(false, [{1:true, 2:false, 3:true}, null]));
  70 });
  71
  72 it('testBooleanArraySeriesShowAndHide', function() {
  73   assert.equal(' B  D', getVisibleSeries(false, [[false, true, false, true], null]));
  74 });
  75
  76 });