| 1 | /** |
| 2 | * @fileoverview Tests involving multiple y-axes. |
| 3 | * |
| 4 | * @author danvdk@gmail.com (Dan Vanderkam) |
| 5 | */ |
| 6 | |
| 7 | var MultipleAxesTestCase = TestCase("multiple-axes-tests"); |
| 8 | |
| 9 | MultipleAxesTestCase.prototype.setUp = function() { |
| 10 | document.body.innerHTML = "<div id='graph'></div>"; |
| 11 | }; |
| 12 | |
| 13 | function getYLabelsForAxis(axis_num) { |
| 14 | var y_labels = document.getElementsByClassName("dygraph-axis-label-y" + axis_num); |
| 15 | var ary = []; |
| 16 | for (var i = 0; i < y_labels.length; i++) { |
| 17 | ary.push(y_labels[i].innerHTML); |
| 18 | } |
| 19 | return ary; |
| 20 | } |
| 21 | |
| 22 | function getLegend() { |
| 23 | var legend = document.getElementsByClassName("dygraph-legend")[0]; |
| 24 | return legend.textContent; |
| 25 | } |
| 26 | |
| 27 | MultipleAxesTestCase.getData = function() { |
| 28 | var data = []; |
| 29 | for (var i = 1; i <= 100; i++) { |
| 30 | var m = "01", d = i; |
| 31 | if (d > 31) { m = "02"; d -= 31; } |
| 32 | if (m == "02" && d > 28) { m = "03"; d -= 28; } |
| 33 | if (m == "03" && d > 31) { m = "04"; d -= 31; } |
| 34 | if (d < 10) d = "0" + d; |
| 35 | // two series, one with range 1-100, one with range 1-2M |
| 36 | data.push([new Date("2010/" + m + "/" + d), |
| 37 | i, |
| 38 | 100 - i, |
| 39 | 1e6 * (1 + i * (100 - i) / (50 * 50)), |
| 40 | 1e6 * (2 - i * (100 - i) / (50 * 50))]); |
| 41 | } |
| 42 | return data; |
| 43 | }; |
| 44 | |
| 45 | MultipleAxesTestCase.prototype.testBasicMultipleAxes = function() { |
| 46 | var data = MultipleAxesTestCase.getData(); |
| 47 | |
| 48 | g = new Dygraph( |
| 49 | document.getElementById("graph"), |
| 50 | data, |
| 51 | { |
| 52 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 53 | width: 640, |
| 54 | height: 350, |
| 55 | 'Y3': { |
| 56 | axis: { |
| 57 | // set axis-related properties here |
| 58 | labelsKMB: true |
| 59 | } |
| 60 | }, |
| 61 | 'Y4': { |
| 62 | axis: 'Y3' // use the same y-axis as series Y3 |
| 63 | } |
| 64 | } |
| 65 | ); |
| 66 | |
| 67 | assertEquals(["0", "10", "20", "30", "40", "50", "60", "70", "80", "90", "100"], getYLabelsForAxis("1")); |
| 68 | assertEquals(["900K", "1.01M", "1.12M", "1.23M", "1.34M", "1.45M", "1.55M", "1.66M", "1.77M", "1.88M", "1.99M"], getYLabelsForAxis("2")); |
| 69 | }; |
| 70 | |
| 71 | MultipleAxesTestCase.prototype.testNewStylePerAxisOptions = function() { |
| 72 | var data = MultipleAxesTestCase.getData(); |
| 73 | |
| 74 | g = new Dygraph( |
| 75 | document.getElementById("graph"), |
| 76 | data, |
| 77 | { |
| 78 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 79 | width: 640, |
| 80 | height: 350, |
| 81 | 'Y3': { |
| 82 | axis: { } |
| 83 | }, |
| 84 | 'Y4': { |
| 85 | axis: 'Y3' // use the same y-axis as series Y3 |
| 86 | }, |
| 87 | axes: { |
| 88 | y2: { |
| 89 | labelsKMB: true |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | ); |
| 94 | |
| 95 | assertEquals(["0", "10", "20", "30", "40", "50", "60", "70", "80", "90", "100"], getYLabelsForAxis("1")); |
| 96 | assertEquals(["900K", "1.01M", "1.12M", "1.23M", "1.34M", "1.45M", "1.55M", "1.66M", "1.77M", "1.88M", "1.99M"], getYLabelsForAxis("2")); |
| 97 | }; |
| 98 | |
| 99 | MultipleAxesTestCase.prototype.testMultiAxisLayout = function() { |
| 100 | var data = MultipleAxesTestCase.getData(); |
| 101 | |
| 102 | var el = document.getElementById("graph"); |
| 103 | |
| 104 | g = new Dygraph( |
| 105 | el, |
| 106 | data, |
| 107 | { |
| 108 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 109 | width: 640, |
| 110 | height: 350, |
| 111 | 'Y3': { |
| 112 | axis: { } |
| 113 | }, |
| 114 | 'Y4': { |
| 115 | axis: 'Y3' // use the same y-axis as series Y3 |
| 116 | }, |
| 117 | axes: { |
| 118 | y2: { |
| 119 | labelsKMB: true |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | ); |
| 124 | |
| 125 | // Test that all elements are inside the bounds of the graph, set above |
| 126 | var innerDiv = el.firstChild; |
| 127 | for (var child = innerDiv.firstChild; child != null; child = child.nextSibling) { |
| 128 | assertTrue(child.offsetLeft >= 0); |
| 129 | assertTrue((child.offsetLeft + child.offsetWidth) <= 640); |
| 130 | assertTrue(child.offsetTop >= 0); |
| 131 | // TODO(flooey@google.com): Text sometimes linebreaks, |
| 132 | // causing the labels to appear outside the allocated area. |
| 133 | // assertTrue((child.offsetTop + child.offsetHeight) <= 350); |
| 134 | } |
| 135 | }; |
| 136 | |
| 137 | MultipleAxesTestCase.prototype.testTwoAxisVisibility = function() { |
| 138 | var data = []; |
| 139 | data.push([0,0,0]); |
| 140 | data.push([1,2,2000]); |
| 141 | data.push([2,4,1000]); |
| 142 | |
| 143 | var g = new Dygraph( |
| 144 | document.getElementById("graph"), |
| 145 | data, |
| 146 | { |
| 147 | labels: [ 'X', 'bar', 'zot' ], |
| 148 | 'zot': { |
| 149 | axis: { |
| 150 | labelsKMB: true |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | ); |
| 155 | |
| 156 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0); |
| 157 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0); |
| 158 | |
| 159 | g.setVisibility(0, false); |
| 160 | |
| 161 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0); |
| 162 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0); |
| 163 | |
| 164 | g.setVisibility(0, true); |
| 165 | g.setVisibility(1, false); |
| 166 | |
| 167 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0); |
| 168 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0); |
| 169 | }; |