| 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 | // returns all text in tags w/ a given css class, sorted. |
| 28 | function getClassTexts(css_class) { |
| 29 | var texts = []; |
| 30 | var els = document.getElementsByClassName(css_class); |
| 31 | for (var i = 0; i < els.length; i++) { |
| 32 | texts[i] = els[i].textContent; |
| 33 | } |
| 34 | texts.sort(); |
| 35 | return texts; |
| 36 | } |
| 37 | |
| 38 | MultipleAxesTestCase.getData = function() { |
| 39 | var data = []; |
| 40 | for (var i = 1; i <= 100; i++) { |
| 41 | var m = "01", d = i; |
| 42 | if (d > 31) { m = "02"; d -= 31; } |
| 43 | if (m == "02" && d > 28) { m = "03"; d -= 28; } |
| 44 | if (m == "03" && d > 31) { m = "04"; d -= 31; } |
| 45 | if (d < 10) d = "0" + d; |
| 46 | // two series, one with range 1-100, one with range 1-2M |
| 47 | data.push([new Date("2010/" + m + "/" + d), |
| 48 | i, |
| 49 | 100 - i, |
| 50 | 1e6 * (1 + i * (100 - i) / (50 * 50)), |
| 51 | 1e6 * (2 - i * (100 - i) / (50 * 50))]); |
| 52 | } |
| 53 | return data; |
| 54 | }; |
| 55 | |
| 56 | MultipleAxesTestCase.prototype.testBasicMultipleAxes = function() { |
| 57 | var data = MultipleAxesTestCase.getData(); |
| 58 | |
| 59 | var g = new Dygraph( |
| 60 | document.getElementById("graph"), |
| 61 | data, |
| 62 | { |
| 63 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 64 | width: 640, |
| 65 | height: 350, |
| 66 | 'Y3': { |
| 67 | axis: { |
| 68 | // set axis-related properties here |
| 69 | labelsKMB: true |
| 70 | } |
| 71 | }, |
| 72 | 'Y4': { |
| 73 | axis: 'Y3' // use the same y-axis as series Y3 |
| 74 | } |
| 75 | } |
| 76 | ); |
| 77 | |
| 78 | assertEquals(["0", "10", "20", "30", "40", "50", "60", "70", "80", "90", "100"], getYLabelsForAxis("1")); |
| 79 | assertEquals(["900K", "1.01M", "1.12M", "1.23M", "1.34M", "1.45M", "1.55M", "1.66M", "1.77M", "1.88M", "1.99M"], getYLabelsForAxis("2")); |
| 80 | }; |
| 81 | |
| 82 | MultipleAxesTestCase.prototype.testNewStylePerAxisOptions = function() { |
| 83 | var data = MultipleAxesTestCase.getData(); |
| 84 | |
| 85 | var g = new Dygraph( |
| 86 | document.getElementById("graph"), |
| 87 | data, |
| 88 | { |
| 89 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 90 | width: 640, |
| 91 | height: 350, |
| 92 | 'Y3': { |
| 93 | axis: { } |
| 94 | }, |
| 95 | 'Y4': { |
| 96 | axis: 'Y3' // use the same y-axis as series Y3 |
| 97 | }, |
| 98 | axes: { |
| 99 | y2: { |
| 100 | labelsKMB: true |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | ); |
| 105 | |
| 106 | assertEquals(["0", "10", "20", "30", "40", "50", "60", "70", "80", "90", "100"], getYLabelsForAxis("1")); |
| 107 | assertEquals(["900K", "1.01M", "1.12M", "1.23M", "1.34M", "1.45M", "1.55M", "1.66M", "1.77M", "1.88M", "1.99M"], getYLabelsForAxis("2")); |
| 108 | }; |
| 109 | |
| 110 | MultipleAxesTestCase.prototype.testMultiAxisLayout = function() { |
| 111 | var data = MultipleAxesTestCase.getData(); |
| 112 | |
| 113 | var el = document.getElementById("graph"); |
| 114 | |
| 115 | var g = new Dygraph( |
| 116 | el, |
| 117 | data, |
| 118 | { |
| 119 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 120 | width: 640, |
| 121 | height: 350, |
| 122 | 'Y3': { |
| 123 | axis: { } |
| 124 | }, |
| 125 | 'Y4': { |
| 126 | axis: 'Y3' // use the same y-axis as series Y3 |
| 127 | }, |
| 128 | axes: { |
| 129 | y2: { |
| 130 | labelsKMB: true |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | ); |
| 135 | |
| 136 | // Test that all elements are inside the bounds of the graph, set above |
| 137 | var innerDiv = el.firstChild; |
| 138 | for (var child = innerDiv.firstChild; child != null; child = child.nextSibling) { |
| 139 | assertTrue(child.offsetLeft >= 0); |
| 140 | assertTrue((child.offsetLeft + child.offsetWidth) <= 640); |
| 141 | assertTrue(child.offsetTop >= 0); |
| 142 | // TODO(flooey@google.com): Text sometimes linebreaks, |
| 143 | // causing the labels to appear outside the allocated area. |
| 144 | // assertTrue((child.offsetTop + child.offsetHeight) <= 350); |
| 145 | } |
| 146 | }; |
| 147 | |
| 148 | MultipleAxesTestCase.prototype.testTwoAxisVisibility = function() { |
| 149 | var data = []; |
| 150 | data.push([0,0,0]); |
| 151 | data.push([1,2,2000]); |
| 152 | data.push([2,4,1000]); |
| 153 | |
| 154 | var g = new Dygraph( |
| 155 | document.getElementById("graph"), |
| 156 | data, |
| 157 | { |
| 158 | labels: [ 'X', 'bar', 'zot' ], |
| 159 | 'zot': { |
| 160 | axis: { |
| 161 | labelsKMB: true |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | ); |
| 166 | |
| 167 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0); |
| 168 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0); |
| 169 | |
| 170 | g.setVisibility(0, false); |
| 171 | |
| 172 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0); |
| 173 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0); |
| 174 | |
| 175 | g.setVisibility(0, true); |
| 176 | g.setVisibility(1, false); |
| 177 | |
| 178 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0); |
| 179 | assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0); |
| 180 | }; |
| 181 | |
| 182 | // verifies that all four chart labels (title, x-, y-, y2-axis label) can be |
| 183 | // used simultaneously. |
| 184 | MultipleAxesTestCase.prototype.testMultiChartLabels = function() { |
| 185 | var data = MultipleAxesTestCase.getData(); |
| 186 | |
| 187 | var el = document.getElementById("graph"); |
| 188 | el.style.border = '1px solid black'; |
| 189 | el.style.marginLeft = '200px'; |
| 190 | el.style.marginTop = '200px'; |
| 191 | |
| 192 | var g = new Dygraph( |
| 193 | el, |
| 194 | data, |
| 195 | { |
| 196 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 197 | width: 640, |
| 198 | height: 350, |
| 199 | 'Y3': { |
| 200 | axis: { } |
| 201 | }, |
| 202 | 'Y4': { |
| 203 | axis: 'Y3' // use the same y-axis as series Y3 |
| 204 | }, |
| 205 | xlabel: 'x-axis', |
| 206 | ylabel: 'y-axis', |
| 207 | y2label: 'y2-axis', |
| 208 | title: 'Chart title' |
| 209 | } |
| 210 | ); |
| 211 | |
| 212 | assertEquals(["Chart title", "x-axis", "y-axis", "y2-axis"], |
| 213 | getClassTexts("dygraph-label")); |
| 214 | assertEquals(["Chart title"], getClassTexts("dygraph-title")); |
| 215 | assertEquals(["x-axis"], getClassTexts("dygraph-xlabel")); |
| 216 | assertEquals(["y-axis"], getClassTexts("dygraph-ylabel")); |
| 217 | assertEquals(["y2-axis"], getClassTexts("dygraph-y2label")); |
| 218 | |
| 219 | // TODO(danvk): check relative positioning here: title on top, y left of y2. |
| 220 | }; |
| 221 | |
| 222 | // Check that a chart w/o a secondary y-axis will not get a y2label, even if one |
| 223 | // is specified. |
| 224 | MultipleAxesTestCase.prototype.testNoY2LabelWithoutSecondaryAxis = function() { |
| 225 | var g = new Dygraph( |
| 226 | document.getElementById("graph"), |
| 227 | MultipleAxesTestCase.getData(), |
| 228 | { |
| 229 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 230 | width: 640, |
| 231 | height: 350, |
| 232 | xlabel: 'x-axis', |
| 233 | ylabel: 'y-axis', |
| 234 | y2label: 'y2-axis', |
| 235 | title: 'Chart title' |
| 236 | } |
| 237 | ); |
| 238 | |
| 239 | assertEquals(["Chart title", "x-axis", "y-axis"], |
| 240 | getClassTexts("dygraph-label")); |
| 241 | assertEquals(["Chart title"], getClassTexts("dygraph-title")); |
| 242 | assertEquals(["x-axis"], getClassTexts("dygraph-xlabel")); |
| 243 | assertEquals(["y-axis"], getClassTexts("dygraph-ylabel")); |
| 244 | assertEquals([], getClassTexts("dygraph-y2label")); |
| 245 | }; |
| 246 | |
| 247 | MultipleAxesTestCase.prototype.testValueRangePerAxisOptions = function() { |
| 248 | var data = MultipleAxesTestCase.getData(); |
| 249 | |
| 250 | g = new Dygraph( |
| 251 | document.getElementById("graph"), |
| 252 | data, |
| 253 | { |
| 254 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 255 | 'Y3': { |
| 256 | axis: { |
| 257 | } |
| 258 | }, |
| 259 | 'Y4': { |
| 260 | axis: 'Y3' // use the same y-axis as series Y3 |
| 261 | }, |
| 262 | axes: { |
| 263 | y: { |
| 264 | valueRange: [40, 70] |
| 265 | }, |
| 266 | y2: { |
| 267 | // set axis-related properties here |
| 268 | labelsKMB: true |
| 269 | } |
| 270 | }, |
| 271 | ylabel: 'Primary y-axis', |
| 272 | y2label: 'Secondary y-axis', |
| 273 | yAxisLabelWidth: 60 |
| 274 | } |
| 275 | ); |
| 276 | assertEquals(["40", "45", "50", "55", "60", "65"], getYLabelsForAxis("1")); |
| 277 | assertEquals(["900K","1.1M","1.3M","1.5M","1.7M","1.9M"], getYLabelsForAxis("2")); |
| 278 | |
| 279 | g.updateOptions( |
| 280 | { |
| 281 | axes: { |
| 282 | y: { |
| 283 | valueRange: [40, 80] |
| 284 | }, |
| 285 | y2: { |
| 286 | valueRange: [1e6, 1.2e6] |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | ); |
| 291 | assertEquals(["40", "45", "50", "55", "60", "65", "70", "75"], getYLabelsForAxis("1")); |
| 292 | assertEquals(["1M", "1.02M", "1.05M", "1.08M", "1.1M", "1.13M", "1.15M", "1.18M"], getYLabelsForAxis("2")); |
| 293 | }; |
| 294 | |
| 295 | MultipleAxesTestCase.prototype.testDrawPointCallback = function() { |
| 296 | var data = MultipleAxesTestCase.getData(); |
| 297 | |
| 298 | var results = { y : {}, y2 : {}}; |
| 299 | var firstCallback = function(g, seriesName, ctx, canvasx, canvasy, color, radius) { |
| 300 | results.y[seriesName] = 1; |
| 301 | Dygraph.Circles.DEFAULT(g, seriesName, ctx, canvasx, canvasy, color, radius); |
| 302 | |
| 303 | }; |
| 304 | var secondCallback = function(g, seriesName, ctx, canvasx, canvasy, color, radius) { |
| 305 | results.y2[seriesName] = 1; |
| 306 | Dygraph.Circles.TRIANGLE(g, seriesName, ctx, canvasx, canvasy, color, radius); |
| 307 | }; |
| 308 | |
| 309 | g = new Dygraph( |
| 310 | document.getElementById("graph"), |
| 311 | data, |
| 312 | { |
| 313 | labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ], |
| 314 | drawPoints : true, |
| 315 | pointSize : 3, |
| 316 | 'Y3': { |
| 317 | axis: { |
| 318 | } |
| 319 | }, |
| 320 | 'Y4': { |
| 321 | axis: 'Y3' // use the same y-axis as series Y3 |
| 322 | }, |
| 323 | axes: { |
| 324 | y2: { |
| 325 | drawPointCallback: secondCallback |
| 326 | } |
| 327 | }, |
| 328 | drawPointCallback: firstCallback |
| 329 | } |
| 330 | ); |
| 331 | |
| 332 | assertEquals(1, results.y["Y1"]); |
| 333 | assertEquals(1, results.y["Y2"]); |
| 334 | assertEquals(1, results.y2["Y3"]); |
| 335 | assertEquals(1, results.y2["Y4"]); |
| 336 | }; |