| 1 | /** |
| 2 | * @fileoverview Tests for rolling averages. |
| 3 | * |
| 4 | * @author danvk@google.com (Dan Vanderkam) |
| 5 | */ |
| 6 | var rollingAverageTestCase = TestCase("rolling-average"); |
| 7 | |
| 8 | rollingAverageTestCase.prototype.setUp = function() { |
| 9 | document.body.innerHTML = "<div id='graph'></div>"; |
| 10 | }; |
| 11 | |
| 12 | rollingAverageTestCase.prototype.tearDown = function() { |
| 13 | }; |
| 14 | |
| 15 | rollingAverageTestCase.prototype.getLegend = function() { |
| 16 | return document.getElementsByClassName("dygraph-legend")[0].textContent; |
| 17 | }; |
| 18 | |
| 19 | rollingAverageTestCase.prototype.testRollingAverage = function() { |
| 20 | var opts = { |
| 21 | width: 480, |
| 22 | height: 320, |
| 23 | rollPeriod: 1, |
| 24 | showRoller: true |
| 25 | }; |
| 26 | var data = "X,Y\n" + |
| 27 | "0,0\n" + |
| 28 | "1,1\n" + |
| 29 | "2,2\n" + |
| 30 | "3,3\n" |
| 31 | ; |
| 32 | |
| 33 | var graph = document.getElementById("graph"); |
| 34 | var g = new Dygraph(graph, data, opts); |
| 35 | |
| 36 | g.setSelection(0); assertEquals("0: Y:0", this.getLegend()); |
| 37 | g.setSelection(1); assertEquals("1: Y:1", this.getLegend()); |
| 38 | g.setSelection(2); assertEquals("2: Y:2", this.getLegend()); |
| 39 | g.setSelection(3); assertEquals("3: Y:3", this.getLegend()); |
| 40 | assertEquals(1, g.rollPeriod()); |
| 41 | |
| 42 | g.updateOptions({rollPeriod: 2}); |
| 43 | g.setSelection(0); assertEquals("0: Y:0", this.getLegend()); |
| 44 | g.setSelection(1); assertEquals("1: Y:0.5", this.getLegend()); |
| 45 | g.setSelection(2); assertEquals("2: Y:1.5", this.getLegend()); |
| 46 | g.setSelection(3); assertEquals("3: Y:2.5", this.getLegend()); |
| 47 | assertEquals(2, g.rollPeriod()); |
| 48 | |
| 49 | g.updateOptions({rollPeriod: 3}); |
| 50 | g.setSelection(0); assertEquals("0: Y:0", this.getLegend()); |
| 51 | g.setSelection(1); assertEquals("1: Y:0.5", this.getLegend()); |
| 52 | g.setSelection(2); assertEquals("2: Y:1", this.getLegend()); |
| 53 | g.setSelection(3); assertEquals("3: Y:2", this.getLegend()); |
| 54 | assertEquals(3, g.rollPeriod()); |
| 55 | |
| 56 | g.updateOptions({rollPeriod: 4}); |
| 57 | g.setSelection(0); assertEquals("0: Y:0", this.getLegend()); |
| 58 | g.setSelection(1); assertEquals("1: Y:0.5", this.getLegend()); |
| 59 | g.setSelection(2); assertEquals("2: Y:1", this.getLegend()); |
| 60 | g.setSelection(3); assertEquals("3: Y:1.5", this.getLegend()); |
| 61 | assertEquals(4, g.rollPeriod()); |
| 62 | }; |
| 63 | |
| 64 | rollingAverageTestCase.prototype.testRollBoxDoesntDisapper = function() { |
| 65 | var opts = { |
| 66 | showRoller: true |
| 67 | }; |
| 68 | var data = "X,Y\n" + |
| 69 | "0,0\n" + |
| 70 | "1,1\n" + |
| 71 | "2,2\n" + |
| 72 | "3,3\n" |
| 73 | ; |
| 74 | |
| 75 | var graph = document.getElementById("graph"); |
| 76 | var g = new Dygraph(graph, data, opts); |
| 77 | |
| 78 | var roll_box = graph.getElementsByTagName("input"); |
| 79 | assertEquals(1, roll_box.length); |
| 80 | assertEquals("1", roll_box[0].value); |
| 81 | |
| 82 | graph.style.width = "500px"; |
| 83 | g.resize(); |
| 84 | assertEquals(1, roll_box.length); |
| 85 | assertEquals("1", roll_box[0].value); |
| 86 | }; |
| 87 | |