auto_tests/tests/pathological_cases.js

   1 /**
   2  * @fileoverview Tests zero and one-point charts.
   3  * These don't have to render nicely, they just have to not crash.
   4  *
   5  * @author dan@dygraphs.com (Dan Vanderkam)
   6  */
   7 var pathologicalCasesTestCase = TestCase("pathological-cases");
   8
   9 pathologicalCasesTestCase.prototype.setUp = function() {
  10   document.body.innerHTML = "<div id='graph'></div>";
  11 };
  12
  13 pathologicalCasesTestCase.prototype.tearDown = function() {
  14 };
  15
  16 pathologicalCasesTestCase.prototype.testZeroPoint = function() {
  17   var opts = {
  18     width: 480,
  19     height: 320
  20   };
  21   var data = "X,Y\n";
  22
  23   var graph = document.getElementById("graph");
  24   var g = new Dygraph(graph, data, opts);
  25 };
  26
  27 pathologicalCasesTestCase.prototype.testOnePoint = function() {
  28   var opts = {
  29     width: 480,
  30     height: 320
  31   };
  32   var data = "X,Y\n" +
  33              "1,2\n";
  34
  35   var graph = document.getElementById("graph");
  36   var g = new Dygraph(graph, data, opts);
  37 };
  38
  39 pathologicalCasesTestCase.prototype.testNullLegend = function() {
  40   var opts = {
  41     width: 480,
  42     height: 320,
  43     labelsDiv: null
  44   };
  45   var data = "X,Y\n" +
  46              "1,2\n";
  47
  48   var graph = document.getElementById("graph");
  49   var g = new Dygraph(graph, data, opts);
  50 };
  51
  52 pathologicalCasesTestCase.prototype.testNoWidth = function() {
  53   var opts = {
  54     height: 300,
  55   };
  56   var data = "X,Y\n" +
  57              "1,2\n";
  58
  59   var graph = document.getElementById("graph");
  60   var g = new Dygraph(graph, data, opts);
  61   assertEquals(480, g.getOption("width"));
  62   assertEquals(300, g.getOption("height"));
  63 };
  64
  65
  66 pathologicalCasesTestCase.prototype.testNoHeight = function() {
  67   var opts = {
  68     width: 479,
  69   };
  70   var data = "X,Y\n" +
  71              "1,2\n";
  72
  73   var graph = document.getElementById("graph");
  74   var g = new Dygraph(graph, data, opts);
  75   assertEquals(479, g.getOption("width"));
  76   assertEquals(320, g.getOption("height"));
  77 };
  78
  79 pathologicalCasesTestCase.prototype.testNoWidthOrHeight = function() {
  80   var opts = {
  81   };
  82   var data = "X,Y\n" +
  83              "1,2\n";
  84
  85   var graph = document.getElementById("graph");
  86   var g = new Dygraph(graph, data, opts);
  87   assertEquals(480, g.getOption("width"));
  88   assertEquals(320, g.getOption("height"));
  89 };