| 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | |
| 3 | /** |
| 4 | * @fileoverview Regression tests for range selector. |
| 5 | * @author paul.eric.felix@gmail.com (Paul Felix) |
| 6 | */ |
| 7 | describe("range-selector", function() { |
| 8 | |
| 9 | beforeEach(function() { |
| 10 | document.body.innerHTML = "<div id='graph'></div>"; |
| 11 | }); |
| 12 | |
| 13 | afterEach(function() { |
| 14 | }); |
| 15 | |
| 16 | it('testRangeSelector', function() { |
| 17 | var opts = { |
| 18 | width: 480, |
| 19 | height: 320, |
| 20 | showRangeSelector: true, |
| 21 | labels: ['X', 'Y'] |
| 22 | }; |
| 23 | var data = [ |
| 24 | [1, 10], |
| 25 | [2, 15], |
| 26 | [3, 10], |
| 27 | [4, 15], |
| 28 | [5, 10], |
| 29 | [6, 15], |
| 30 | [7, 10], |
| 31 | [8, 15], |
| 32 | [9, 10] |
| 33 | ]; |
| 34 | var graph = document.getElementById("graph"); |
| 35 | var g = new Dygraph(graph, data, opts); |
| 36 | assertGraphExistence(g, graph); |
| 37 | }); |
| 38 | |
| 39 | it('testRangeSelectorWithErrorBars', function() { |
| 40 | var opts = { |
| 41 | width: 480, |
| 42 | height: 320, |
| 43 | errorBars: true, |
| 44 | showRangeSelector: true, |
| 45 | labels: ['X', 'Y'] |
| 46 | }; |
| 47 | var data = [ |
| 48 | [1, [10, 10]], |
| 49 | [2, [15, 10]], |
| 50 | [3, [10, 10]], |
| 51 | [4, [15, 10]], |
| 52 | [5, [10, 10]], |
| 53 | [6, [15, 20]], |
| 54 | [7, [10, 20]], |
| 55 | [8, [15, 20]], |
| 56 | [9, [10, 20]] |
| 57 | ]; |
| 58 | var graph = document.getElementById("graph"); |
| 59 | var g = new Dygraph(graph, data, opts); |
| 60 | assertGraphExistence(g, graph); |
| 61 | }); |
| 62 | |
| 63 | it('testRangeSelectorWithCustomBars', function() { |
| 64 | var opts = { |
| 65 | width: 480, |
| 66 | height: 320, |
| 67 | customBars: true, |
| 68 | showRangeSelector: true, |
| 69 | labels: ['X', 'Y'] |
| 70 | }; |
| 71 | var data = [ |
| 72 | [1, [10, 10, 100]], |
| 73 | [2, [15, 20, 110]], |
| 74 | [3, [10, 30, 100]], |
| 75 | [4, [15, 40, 110]], |
| 76 | [5, [10, 120, 100]], |
| 77 | [6, [15, 50, 110]], |
| 78 | [7, [10, 70, 100]], |
| 79 | [8, [15, 90, 110]], |
| 80 | [9, [10, 50, 100]] |
| 81 | ]; |
| 82 | var graph = document.getElementById("graph"); |
| 83 | var g = new Dygraph(graph, data, opts); |
| 84 | assertGraphExistence(g, graph); |
| 85 | }); |
| 86 | |
| 87 | it('testRangeSelectorWithLogScale', function() { |
| 88 | var opts = { |
| 89 | width: 480, |
| 90 | height: 320, |
| 91 | logscale: true, |
| 92 | showRangeSelector: true, |
| 93 | labels: ['X', 'Y'] |
| 94 | }; |
| 95 | var data = [ |
| 96 | [1, 10], |
| 97 | [2, 15], |
| 98 | [3, 10], |
| 99 | [4, 15], |
| 100 | [5, 10], |
| 101 | [6, 15], |
| 102 | [7, 10], |
| 103 | [8, 15], |
| 104 | [9, 10] |
| 105 | ]; |
| 106 | var graph = document.getElementById("graph"); |
| 107 | var g = new Dygraph(graph, data, opts); |
| 108 | assertGraphExistence(g, graph); |
| 109 | }); |
| 110 | |
| 111 | it('testRangeSelectorOptions', function() { |
| 112 | var opts = { |
| 113 | width: 480, |
| 114 | height: 320, |
| 115 | showRangeSelector: true, |
| 116 | rangeSelectorHeight: 30, |
| 117 | rangeSelectorPlotFillColor: 'lightyellow', |
| 118 | rangeSelectorPlotFillGradientColor: 'rgba(200, 200, 42, 10)', |
| 119 | labels: ['X', 'Y'] |
| 120 | }; |
| 121 | var data = [ |
| 122 | [1, 10], |
| 123 | [2, 15], |
| 124 | [3, 10], |
| 125 | [4, 15], |
| 126 | [5, 10], |
| 127 | [6, 15], |
| 128 | [7, 10], |
| 129 | [8, 15], |
| 130 | [9, 10] |
| 131 | ]; |
| 132 | var graph = document.getElementById("graph"); |
| 133 | var g = new Dygraph(graph, data, opts); |
| 134 | assertGraphExistence(g, graph); |
| 135 | }); |
| 136 | |
| 137 | it('testAdditionalRangeSelectorOptions', function() { |
| 138 | var opts = { |
| 139 | width: 480, |
| 140 | height: 320, |
| 141 | showRangeSelector: true, |
| 142 | rangeSelectorHeight: 30, |
| 143 | rangeSelectorBackgroundStrokeColor: 'blue', |
| 144 | rangeSelectorBackgroundLineWidth: 3, |
| 145 | rangeSelectorPlotLineWidth: 0.5, |
| 146 | rangeSelectorForegroundStrokeColor: 'red', |
| 147 | rangeSelectorForegroundLineWidth: 2, |
| 148 | rangeSelectorAlpha: 0.8, |
| 149 | labels: ['X', 'Y'] |
| 150 | }; |
| 151 | var data = [ |
| 152 | [1, 10], |
| 153 | [2, 15], |
| 154 | [3, 10], |
| 155 | [4, 15], |
| 156 | [5, 10], |
| 157 | [6, 15], |
| 158 | [7, 10], |
| 159 | [8, 15], |
| 160 | [9, 10] |
| 161 | ]; |
| 162 | var graph = document.getElementById("graph"); |
| 163 | var g = new Dygraph(graph, data, opts); |
| 164 | assertGraphExistence(g, graph); |
| 165 | }); |
| 166 | |
| 167 | it('testRangeSelectorEnablingAfterCreation', function() { |
| 168 | var opts = { |
| 169 | width: 480, |
| 170 | height: 320, |
| 171 | labels: ['X', 'Y'] |
| 172 | }; |
| 173 | var data = [ |
| 174 | [1, 10], |
| 175 | [2, 15], |
| 176 | [3, 10], |
| 177 | [4, 15], |
| 178 | [5, 10], |
| 179 | [6, 15], |
| 180 | [7, 10], |
| 181 | [8, 15], |
| 182 | [9, 10] |
| 183 | ]; |
| 184 | var graph = document.getElementById("graph"); |
| 185 | var g = new Dygraph(graph, data, opts); |
| 186 | g.updateOptions({showRangeSelector: true}); |
| 187 | assertGraphExistence(g, graph); |
| 188 | }); |
| 189 | |
| 190 | // The animatedZooms option does not work with the range selector. Make sure it gets turned off. |
| 191 | it('testRangeSelectorWithAnimatedZoomsOption', function() { |
| 192 | var opts = { |
| 193 | width: 480, |
| 194 | height: 320, |
| 195 | showRangeSelector: true, |
| 196 | animatedZooms: true, |
| 197 | labels: ['X', 'Y'] |
| 198 | }; |
| 199 | var data = [ |
| 200 | [1, 10], |
| 201 | [2, 15], |
| 202 | [3, 10], |
| 203 | [4, 15], |
| 204 | [5, 10], |
| 205 | [6, 15], |
| 206 | [7, 10], |
| 207 | [8, 15], |
| 208 | [9, 10] |
| 209 | ]; |
| 210 | var graph = document.getElementById("graph"); |
| 211 | var g = new Dygraph(graph, data, opts); |
| 212 | assertGraphExistence(g, graph); |
| 213 | assert.isFalse(g.getOption('animatedZooms')); |
| 214 | }); |
| 215 | |
| 216 | it('testRangeSelectorWithAnimatedZoomsOption2', function() { |
| 217 | var opts = { |
| 218 | width: 480, |
| 219 | height: 320, |
| 220 | animatedZooms: true, |
| 221 | labels: ['X', 'Y'] |
| 222 | }; |
| 223 | var data = [ |
| 224 | [1, 10], |
| 225 | [2, 15], |
| 226 | [3, 10], |
| 227 | [4, 15], |
| 228 | [5, 10], |
| 229 | [6, 15], |
| 230 | [7, 10], |
| 231 | [8, 15], |
| 232 | [9, 10] |
| 233 | ]; |
| 234 | var graph = document.getElementById("graph"); |
| 235 | var g = new Dygraph(graph, data, opts); |
| 236 | g.updateOptions({showRangeSelector: true}); |
| 237 | assertGraphExistence(g, graph); |
| 238 | assert.isFalse(g.getOption('animatedZooms')); |
| 239 | }); |
| 240 | |
| 241 | it('testRangeSelectorInteraction', function() { |
| 242 | var opts = { |
| 243 | width: 480, |
| 244 | height: 320, |
| 245 | showRangeSelector: true, |
| 246 | labels: ['X', 'Y'] |
| 247 | }; |
| 248 | var data = [ |
| 249 | [1, 10], |
| 250 | [2, 15], |
| 251 | [3, 10], |
| 252 | [4, 15], |
| 253 | [5, 10], |
| 254 | [6, 15], |
| 255 | [7, 10], |
| 256 | [8, 15], |
| 257 | [9, 10] |
| 258 | ]; |
| 259 | var graph = document.getElementById("graph"); |
| 260 | var g = new Dygraph(graph, data, opts); |
| 261 | assertGraphExistence(g, graph); |
| 262 | var zoomhandles = graph.getElementsByClassName('dygraph-rangesel-zoomhandle'); |
| 263 | |
| 264 | // Move left zoomhandle in |
| 265 | var xRange = g.xAxisRange().slice(); |
| 266 | |
| 267 | var mouseDownEvent = DygraphOps.createEvent({ |
| 268 | type : 'dragstart', |
| 269 | detail: 1, |
| 270 | clientX : 0, |
| 271 | clientY : 0 |
| 272 | }); |
| 273 | zoomhandles[0].dispatchEvent(mouseDownEvent); |
| 274 | |
| 275 | var mouseMoveEvent = DygraphOps.createEvent({ |
| 276 | type : 'mousemove', |
| 277 | clientX : 20, |
| 278 | clientY : 20 |
| 279 | }); |
| 280 | zoomhandles[0].dispatchEvent(mouseMoveEvent); |
| 281 | |
| 282 | var mouseUpEvent = DygraphOps.createEvent({ |
| 283 | type : 'mouseup', |
| 284 | detail: 1, |
| 285 | clientX : 20, |
| 286 | clientY : 20 |
| 287 | }); |
| 288 | zoomhandles[0].dispatchEvent(mouseUpEvent); |
| 289 | |
| 290 | var newXRange = g.xAxisRange().slice(); |
| 291 | assert(newXRange[0] > xRange[0], 'left zoomhandle should have moved: '+newXRange[0]+'>'+xRange[0]); |
| 292 | assert.equal(xRange[1], newXRange[1], 'right zoomhandle should not have moved'); |
| 293 | |
| 294 | // Move right zoomhandle in |
| 295 | xRange = newXRange; |
| 296 | |
| 297 | mouseDownEvent = DygraphOps.createEvent({ |
| 298 | type : 'dragstart', |
| 299 | detail: 1, |
| 300 | clientX : 100, |
| 301 | clientY : 100 |
| 302 | }); |
| 303 | zoomhandles[1].dispatchEvent(mouseDownEvent); |
| 304 | |
| 305 | mouseMoveEvent = DygraphOps.createEvent({ |
| 306 | type : 'mousemove', |
| 307 | clientX : 80, |
| 308 | clientY : 80 |
| 309 | }); |
| 310 | zoomhandles[1].dispatchEvent(mouseMoveEvent); |
| 311 | |
| 312 | mouseUpEvent = DygraphOps.createEvent({ |
| 313 | type : 'mouseup', |
| 314 | detail: 1, |
| 315 | clientX : 80, |
| 316 | clientY : 80 |
| 317 | }); |
| 318 | zoomhandles[1].dispatchEvent(mouseUpEvent); |
| 319 | |
| 320 | var newXRange = g.xAxisRange().slice(); |
| 321 | assert(newXRange[1] < xRange[1], 'right zoomhandle should have moved: '+newXRange[1]+'<'+xRange[1]); |
| 322 | assert.equal(xRange[0], newXRange[0], 'left zoomhandle should not have moved'); |
| 323 | |
| 324 | // Pan left |
| 325 | xRange = newXRange; |
| 326 | var fgcanvas = graph.getElementsByClassName('dygraph-rangesel-fgcanvas')[0]; |
| 327 | var x = parseInt(zoomhandles[0].style.left) + 20; |
| 328 | var y = parseInt(zoomhandles[0].style.top); |
| 329 | |
| 330 | mouseDownEvent = DygraphOps.createEvent({ |
| 331 | type : 'mousedown', |
| 332 | detail: 1, |
| 333 | clientX : x, |
| 334 | clientY : y |
| 335 | }); |
| 336 | fgcanvas.dispatchEvent(mouseDownEvent); |
| 337 | |
| 338 | x -= 10; |
| 339 | |
| 340 | mouseMoveEvent = DygraphOps.createEvent({ |
| 341 | type : 'mousemove', |
| 342 | clientX : x, |
| 343 | clientY : y |
| 344 | }); |
| 345 | fgcanvas.dispatchEvent(mouseMoveEvent); |
| 346 | |
| 347 | mouseUpEvent = DygraphOps.createEvent({ |
| 348 | type : 'mouseup', |
| 349 | detail: 1, |
| 350 | clientX : x, |
| 351 | clientY : y |
| 352 | }); |
| 353 | fgcanvas.dispatchEvent(mouseUpEvent); |
| 354 | |
| 355 | var newXRange = g.xAxisRange().slice(); |
| 356 | assert(newXRange[0] < xRange[0], newXRange[0]+'<'+xRange[0]); |
| 357 | assert(newXRange[1] < xRange[1], newXRange[1]+'<'+xRange[1]); |
| 358 | }); |
| 359 | |
| 360 | |
| 361 | it('testRangeSelectorPositionIfXAxisNotDrawn', function() { |
| 362 | var opts = { |
| 363 | width: 480, |
| 364 | height: 100, |
| 365 | xAxisHeight: 30, |
| 366 | axes : { x : { drawAxis: false }}, |
| 367 | showRangeSelector: true, |
| 368 | rangeSelectorHeight: 30, |
| 369 | labels: ['X', 'Y'] |
| 370 | }; |
| 371 | var data = [ |
| 372 | [0, 1], |
| 373 | [10, 1] |
| 374 | ]; |
| 375 | var graph = document.getElementById("graph"); |
| 376 | var g = new Dygraph(graph, data, opts); |
| 377 | |
| 378 | //assert, that the range selector is at top position 70 since the 30px of the |
| 379 | // xAxis shouldn't be reserved since it isn't drawn. |
| 380 | assertGraphExistence(g, graph); |
| 381 | var bgcanvas = graph.getElementsByClassName('dygraph-rangesel-bgcanvas')[0]; |
| 382 | assert.equal("70px", bgcanvas.style.top, "Range selector is not at the expected position."); |
| 383 | var fgcanvas = graph.getElementsByClassName('dygraph-rangesel-fgcanvas')[0]; |
| 384 | assert.equal("70px", fgcanvas.style.top, "Range selector is not at the expected position."); |
| 385 | }); |
| 386 | |
| 387 | it('testMiniPlotDrawn', function() { |
| 388 | // Install Proxy to track canvas calls. |
| 389 | var origFunc = Dygraph.getContext; |
| 390 | var miniHtx; |
| 391 | Dygraph.getContext = function(canvas) { |
| 392 | console.log(canvas.className); |
| 393 | if (canvas.className != 'dygraph-rangesel-bgcanvas') { |
| 394 | return origFunc(canvas); |
| 395 | } |
| 396 | miniHtx = new Proxy(origFunc(canvas)); |
| 397 | return miniHtx; |
| 398 | }; |
| 399 | |
| 400 | var opts = { |
| 401 | width: 480, |
| 402 | height: 100, |
| 403 | xAxisHeight: 30, |
| 404 | axes : { x : { drawAxis: false }}, |
| 405 | showRangeSelector: true, |
| 406 | rangeSelectorHeight: 30, |
| 407 | rangeSelectorPlotStrokeColor: '#ff0000', |
| 408 | labels: ['X', 'Y'] |
| 409 | }; |
| 410 | var data = [ |
| 411 | [0, 1], |
| 412 | [5, 4], |
| 413 | [10, 8] |
| 414 | ]; |
| 415 | var graph = document.getElementById("graph"); |
| 416 | var g = new Dygraph(graph, data, opts); |
| 417 | |
| 418 | // TODO(danvk): more precise tests. |
| 419 | assert.isNotNull(miniHtx); |
| 420 | assert.isTrue(0 < CanvasAssertions.numLinesDrawn(miniHtx, '#ff0000')); |
| 421 | |
| 422 | Dygraph.getContext = origFunc; |
| 423 | }); |
| 424 | |
| 425 | // Tests data computation for the mini plot with a single series. |
| 426 | it('testSingleCombinedSeries', function() { |
| 427 | var opts = { |
| 428 | showRangeSelector: true, |
| 429 | labels: ['X', 'Y1'] |
| 430 | }; |
| 431 | var data = [ |
| 432 | [0, 1], |
| 433 | [5, 4], |
| 434 | [10, 8] |
| 435 | ]; |
| 436 | var graph = document.getElementById("graph"); |
| 437 | var g = new Dygraph(graph, data, opts); |
| 438 | |
| 439 | var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector); |
| 440 | assert.isNotNull(rangeSelector); |
| 441 | |
| 442 | var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_(); |
| 443 | assert.deepEqual({ |
| 444 | yMin: 1 - 7 * 0.25, // 25% padding |
| 445 | yMax: 8 + 7 * 0.25, |
| 446 | data: [ |
| 447 | [0, 1], |
| 448 | [5, 4], |
| 449 | [10, 8] |
| 450 | ] |
| 451 | }, combinedSeries); |
| 452 | }); |
| 453 | |
| 454 | |
| 455 | // Tests that multiple series are averaged for the miniplot. |
| 456 | it('testCombinedSeries', function() { |
| 457 | var opts = { |
| 458 | showRangeSelector: true, |
| 459 | labels: ['X', 'Y1', 'Y2'] |
| 460 | }; |
| 461 | var data = [ |
| 462 | [0, 1, 3], // average = 2 |
| 463 | [5, 4, 6], // average = 5 |
| 464 | [10, 7, 9] // average = 8 |
| 465 | ]; |
| 466 | var graph = document.getElementById("graph"); |
| 467 | var g = new Dygraph(graph, data, opts); |
| 468 | |
| 469 | var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector); |
| 470 | assert.isNotNull(rangeSelector); |
| 471 | |
| 472 | var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_(); |
| 473 | assert.deepEqual({ |
| 474 | yMin: 2 - 6 * 0.25, // 25% padding on combined series range. |
| 475 | yMax: 8 + 6 * 0.25, |
| 476 | data: [ |
| 477 | [0, 2], |
| 478 | [5, 5], |
| 479 | [10, 8] |
| 480 | ] |
| 481 | }, combinedSeries); |
| 482 | }); |
| 483 | |
| 484 | // Tests selection of a specific series to average for the mini plot. |
| 485 | it('testSelectedCombinedSeries', function() { |
| 486 | var opts = { |
| 487 | showRangeSelector: true, |
| 488 | labels: ['X', 'Y1', 'Y2', 'Y3', 'Y4'], |
| 489 | series: { |
| 490 | 'Y1': { showInRangeSelector: true }, |
| 491 | 'Y3': { showInRangeSelector: true } |
| 492 | } |
| 493 | }; |
| 494 | var data = [ |
| 495 | [0, 5, 8, 13, 21], // average (first and third) = 9 |
| 496 | [5, 1, 3, 7, 14], // average (first and third) = 4 |
| 497 | [10, 0, 19, 10, 6] // average (first and third) = 5 |
| 498 | ]; |
| 499 | var graph = document.getElementById("graph"); |
| 500 | var g = new Dygraph(graph, data, opts); |
| 501 | |
| 502 | var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector); |
| 503 | assert.isNotNull(rangeSelector); |
| 504 | |
| 505 | var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_(); |
| 506 | assert.deepEqual({ |
| 507 | yMin: 4 - 5 * 0.25, // 25% padding on combined series range. |
| 508 | yMax: 9 + 5 * 0.25, |
| 509 | data: [ |
| 510 | [0, 9], |
| 511 | [5, 4], |
| 512 | [10, 5] |
| 513 | ] |
| 514 | }, combinedSeries); |
| 515 | }); |
| 516 | |
| 517 | // Tests data computation for the mini plot with a single error bar series. |
| 518 | it('testSingleCombinedSeriesCustomBars', function() { |
| 519 | var opts = { |
| 520 | customBars: true, |
| 521 | showRangeSelector: true, |
| 522 | labels: ['X', 'Y1'] |
| 523 | }; |
| 524 | var data = [ |
| 525 | [0, [0, 1, 2]], // [low, value, high] |
| 526 | [5, [1, 4, 5]], |
| 527 | [10, [7, 8, 9]] |
| 528 | ]; |
| 529 | var graph = document.getElementById("graph"); |
| 530 | var g = new Dygraph(graph, data, opts); |
| 531 | |
| 532 | var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector); |
| 533 | assert.isNotNull(rangeSelector); |
| 534 | |
| 535 | var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_(); |
| 536 | assert.deepEqual({ |
| 537 | yMin: 1 - 7 * 0.25, // 25% padding |
| 538 | yMax: 8 + 7 * 0.25, |
| 539 | data: [ |
| 540 | [0, 1], |
| 541 | [5, 4], |
| 542 | [10, 8] |
| 543 | ] |
| 544 | }, combinedSeries); |
| 545 | }); |
| 546 | |
| 547 | it('testSingleCombinedSeriesErrorBars', function() { |
| 548 | var opts = { |
| 549 | errorBars: true, |
| 550 | showRangeSelector: true, |
| 551 | labels: ['X', 'Y1'] |
| 552 | }; |
| 553 | var data = [ |
| 554 | [0, [1, 1]], // [value, standard deviation] |
| 555 | [5, [4, 2]], |
| 556 | [10, [8, 1]] |
| 557 | ]; |
| 558 | var graph = document.getElementById("graph"); |
| 559 | var g = new Dygraph(graph, data, opts); |
| 560 | |
| 561 | var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector); |
| 562 | assert.isNotNull(rangeSelector); |
| 563 | |
| 564 | var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_(); |
| 565 | assert.deepEqual({ |
| 566 | yMin: 1 - 7 * 0.25, // 25% padding |
| 567 | yMax: 8 + 7 * 0.25, |
| 568 | data: [ |
| 569 | [0, 1], |
| 570 | [5, 4], |
| 571 | [10, 8] |
| 572 | ] |
| 573 | }, combinedSeries); |
| 574 | }); |
| 575 | |
| 576 | // Tests data computation for the mini plot with two custom bar series. |
| 577 | it('testTwoCombinedSeriesCustomBars', function() { |
| 578 | var opts = { |
| 579 | customBars: true, |
| 580 | showRangeSelector: true, |
| 581 | labels: ['X', 'Y1', 'Y2'] |
| 582 | }; |
| 583 | var data = [ |
| 584 | [0, [0, 1, 2], [4, 5, 6]], // [low, value, high], avg_val = 3 |
| 585 | [5, [1, 4, 5], [5, 8, 9]], // avg_val = 6 |
| 586 | [10, [7, 8, 9], [11, 12, 13]] // avg_val = 10 |
| 587 | ]; |
| 588 | var graph = document.getElementById("graph"); |
| 589 | var g = new Dygraph(graph, data, opts); |
| 590 | |
| 591 | var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector); |
| 592 | assert.isNotNull(rangeSelector); |
| 593 | |
| 594 | var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_(); |
| 595 | assert.deepEqual({ |
| 596 | yMin: 3 - 7 * 0.25, // 25% padding |
| 597 | yMax: 10 + 7 * 0.25, |
| 598 | data: [ |
| 599 | [0, 3], |
| 600 | [5, 6], |
| 601 | [10, 10] |
| 602 | ] |
| 603 | }, combinedSeries); |
| 604 | }); |
| 605 | |
| 606 | |
| 607 | var assertGraphExistence = function(g, graph) { |
| 608 | assert.isNotNull(g); |
| 609 | var zoomhandles = graph.getElementsByClassName('dygraph-rangesel-zoomhandle'); |
| 610 | assert.equal(2, zoomhandles.length); |
| 611 | var bgcanvas = graph.getElementsByClassName('dygraph-rangesel-bgcanvas'); |
| 612 | assert.equal(1, bgcanvas.length); |
| 613 | var fgcanvas = graph.getElementsByClassName('dygraph-rangesel-fgcanvas'); |
| 614 | assert.equal(1, fgcanvas.length); |
| 615 | }; |
| 616 | |
| 617 | }); |