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1 | /** |
2 | * @fileoverview Test cases for how axis labels are chosen and formatted. | |
3 | * | |
4 | * @author dan@dygraphs.com (Dan Vanderkam) | |
5 | */ | |
6 | var AxisLabelsTestCase = TestCase("axis-labels"); | |
7 | ||
8 | AxisLabelsTestCase.prototype.setUp = function() { | |
9 | document.body.innerHTML = "<div id='graph'></div>"; | |
10 | }; | |
11 | ||
12 | AxisLabelsTestCase.prototype.tearDown = function() { | |
13 | }; | |
14 | ||
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15 | /** |
16 | * Takes in an array of strings and returns an array of floats. | |
17 | */ | |
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18 | function makeNumbers(ary) { |
19 | var ret = []; | |
20 | for (var i = 0; i < ary.length; i++) { | |
21 | ret.push(parseFloat(ary[i])); | |
22 | } | |
23 | return ret; | |
24 | } | |
25 | ||
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26 | AxisLabelsTestCase.prototype.kCloseFloat = 1.0e-10; |
27 | ||
28 | AxisLabelsTestCase.prototype.testMinusOneToOne = function() { | |
29 | var opts = { | |
30 | width: 480, | |
31 | height: 320 | |
32 | }; | |
33 | var data = "X,Y\n" + | |
34 | "0,-1\n" + | |
35 | "1,0\n" + | |
36 | "2,1\n" + | |
37 | "3,0\n" | |
38 | ; | |
39 | ||
40 | var graph = document.getElementById("graph"); | |
41 | var g = new Dygraph(graph, data, opts); | |
42 | ||
43 | // TODO(danvk): would ['-1.0','-0.5','0.0','0.5','1.0'] be better? | |
846038aa | 44 | assertEquals(['-1','-0.5','0','0.5','1'], Util.getYLabels()); |
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45 | |
46 | // Go up to 2 | |
47 | data += "4,2\n"; | |
48 | g.updateOptions({file: data}); | |
846038aa | 49 | assertEquals(['-1','-0.5','0','0.5','1','1.5','2'], Util.getYLabels()); |
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50 | |
51 | // Now 10 | |
52 | data += "5,10\n"; | |
53 | g.updateOptions({file: data}); | |
846038aa | 54 | assertEquals(['-2','0','2','4','6','8','10'], Util.getYLabels()); |
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55 | |
56 | // Now 100 | |
57 | data += "6,100\n"; | |
58 | g.updateOptions({file: data}); | |
846038aa | 59 | assertEquals(['0','20','40','60','80','100'], Util.getYLabels()); |
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60 | |
61 | g.setSelection(0); | |
846038aa | 62 | assertEquals('0: Y:-1', Util.getLegend()); |
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63 | }; |
64 | ||
65 | AxisLabelsTestCase.prototype.testSmallRangeNearZero = function() { | |
66 | var opts = { | |
67 | drawAxesAtZero: true, | |
68 | width: 480, | |
69 | height: 320 | |
70 | }; | |
71 | var data = "X,Y\n" + | |
72 | "0,-1\n" + | |
73 | "1,0\n" + | |
74 | "2,1\n" + | |
75 | "3,0\n" | |
76 | ; | |
77 | opts.valueRange = [-0.1, 0.1]; | |
78 | ||
79 | var graph = document.getElementById("graph"); | |
80 | var g = new Dygraph(graph, data, opts); | |
81 | assertEqualsDelta(makeNumbers(["-0.1","-0.08","-0.06","-0.04","-0.02","0","0.02","0.04","0.06","0.08"]), | |
846038aa | 82 | makeNumbers(Util.getYLabels()), this.kCloseFloat); |
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83 | |
84 | opts.valueRange = [-0.05, 0.05]; | |
85 | g.updateOptions(opts); | |
86 | // TODO(danvk): why '1.00e-2' and not '0.01'? | |
87 | assertEquals(makeNumbers(["-0.05","-0.04","-0.03","-0.02","-0.01","0","1.00e-2","0.02","0.03","0.04"]), | |
846038aa | 88 | makeNumbers(Util.getYLabels())); |
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89 | |
90 | opts.valueRange = [-0.01, 0.01]; | |
91 | g.updateOptions(opts); | |
846038aa | 92 | assertEquals(makeNumbers(["-0.01","-8.00e-3","-6.00e-3","-4.00e-3","-2.00e-3","0","2.00e-3","4.00e-3","6.00e-3","8.00e-3"]), makeNumbers(Util.getYLabels())); |
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93 | |
94 | g.setSelection(1); | |
846038aa | 95 | assertEquals('1: Y:0', Util.getLegend()); |
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96 | }; |
97 | ||
98 | AxisLabelsTestCase.prototype.testSmallRangeAwayFromZero = function() { | |
99 | var opts = { | |
100 | width: 480, | |
101 | height: 320 | |
102 | }; | |
103 | var data = "X,Y\n" + | |
104 | "0,-1\n" + | |
105 | "1,0\n" + | |
106 | "2,1\n" + | |
107 | "3,0\n" | |
108 | ; | |
109 | var graph = document.getElementById("graph"); | |
110 | ||
111 | opts.valueRange = [9.9, 10.1]; | |
112 | var g = new Dygraph(graph, data, opts); | |
846038aa | 113 | assertEquals(["9.9","9.92","9.94","9.96","9.98","10","10.02","10.04","10.06","10.08"], Util.getYLabels()); |
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114 | |
115 | opts.valueRange = [9.99, 10.01]; | |
116 | g.updateOptions(opts); | |
117 | // TODO(danvk): this is bad | |
846038aa | 118 | assertEquals(["9.99","9.99","9.99","10","10","10","10","10","10.01","10.01"], Util.getYLabels()); |
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119 | |
120 | opts.valueRange = [9.999, 10.001]; | |
121 | g.updateOptions(opts); | |
122 | // TODO(danvk): this is even worse! | |
846038aa | 123 | assertEquals(["10","10","10","10","10","10","10","10","10","10"], Util.getYLabels()); |
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124 | |
125 | g.setSelection(1); | |
846038aa | 126 | assertEquals('1: Y:0', Util.getLegend()); |
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127 | }; |
128 | ||
129 | AxisLabelsTestCase.prototype.testXAxisTimeLabelFormatter = function() { | |
130 | var opts = { | |
131 | width: 480, | |
132 | height: 320 | |
133 | }; | |
134 | var data = [[5.0,0],[5.1,1],[5.2,2],[5.3,3],[5.4,4],[5.5,5],[5.6,6],[5.7,7],[5.8,8],[5.9,9]]; | |
135 | var graph = document.getElementById("graph"); | |
136 | var g = new Dygraph(graph, data, opts); | |
137 | g.updateOptions({ | |
138 | axes : { | |
139 | x : { | |
140 | axisLabelFormatter : function (totalMinutes) { | |
141 | var hours = Math.floor( totalMinutes / 60); | |
142 | var minutes = Math.floor((totalMinutes - (hours * 60))); | |
143 | var seconds = Math.round((totalMinutes * 60) - (hours * 3600) - (minutes * 60)); | |
144 | ||
145 | if (hours < 10) hours = "0" + hours; | |
146 | if (minutes < 10) minutes = "0" + minutes; | |
147 | if (seconds < 10) seconds = "0" + seconds; | |
148 | ||
149 | return hours + ':' + minutes + ':' + seconds; | |
150 | } | |
151 | } | |
152 | } | |
153 | }); | |
154 | ||
846038aa | 155 | assertEquals(["00:05:00","00:05:12","00:05:24","00:05:36","00:05:48"], Util.getXLabels()); |
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156 | |
157 | // The legend does not use the axisLabelFormatter: | |
158 | g.setSelection(1); | |
846038aa | 159 | assertEquals('5.1: Y1:1', Util.getLegend()); |
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160 | }; |
161 | ||
162 | AxisLabelsTestCase.prototype.testAxisLabelFormatter = function () { | |
163 | var opts = { | |
164 | width: 480, | |
165 | height: 320, | |
166 | axes : { | |
167 | x : { | |
168 | axisLabelFormatter : function(x, granularity, opts, dg) { | |
169 | assertEquals('number', typeof(x)); | |
170 | assertEquals('number', typeof(granularity)); | |
171 | assertEquals('function', typeof(opts)); | |
172 | assertEquals('[Dygraph graph]', dg.toString()); | |
173 | return 'x' + x; | |
174 | } | |
175 | }, | |
176 | y : { | |
177 | axisLabelFormatter : function(y, granularity, opts, dg) { | |
178 | assertEquals('number', typeof(y)); | |
179 | assertEquals('number', typeof(granularity)); | |
180 | assertEquals('function', typeof(opts)); | |
181 | assertEquals('[Dygraph graph]', dg.toString()); | |
182 | return 'y' + y; | |
183 | } | |
184 | } | |
185 | }, | |
186 | labels: ['x', 'y'] | |
187 | }; | |
188 | var data = []; | |
189 | for (var i = 0; i < 10; i++) { | |
190 | data.push([i, 2 * i]); | |
191 | } | |
192 | var graph = document.getElementById("graph"); | |
193 | var g = new Dygraph(graph, data, opts); | |
194 | ||
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195 | assertEquals(['x0','x2','x4','x6','x8'], Util.getXLabels()); |
196 | assertEquals(['y0','y2','y4','y6','y8','y10','y12','y14','y16','y18'], Util.getYLabels()); | |
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197 | |
198 | g.setSelection(2); | |
846038aa | 199 | assertEquals("2: y:4", Util.getLegend()); |
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200 | }; |
201 | ||
202 | AxisLabelsTestCase.prototype.testDateAxisLabelFormatter = function () { | |
203 | var opts = { | |
204 | width: 480, | |
205 | height: 320, | |
206 | axes : { | |
207 | x : { | |
208 | axisLabelFormatter : function(x, granularity, opts, dg) { | |
209 | assertTrue(Dygraph.isDateLike(x)); | |
210 | assertEquals('number', typeof(granularity)); | |
211 | assertEquals('function', typeof(opts)); | |
212 | assertEquals('[Dygraph graph]', dg.toString()); | |
213 | return 'x' + x.strftime('%Y/%m/%d'); | |
214 | } | |
215 | }, | |
216 | y : { | |
217 | axisLabelFormatter : function(y, granularity, opts, dg) { | |
218 | assertEquals('number', typeof(y)); | |
219 | assertEquals('number', typeof(granularity)); | |
220 | assertEquals('function', typeof(opts)); | |
221 | assertEquals('[Dygraph graph]', dg.toString()); | |
222 | return 'y' + y; | |
223 | } | |
224 | } | |
225 | }, | |
226 | labels: ['x', 'y'] | |
227 | }; | |
228 | var data = []; | |
229 | for (var i = 1; i < 10; i++) { | |
230 | data.push([new Date("2011/01/0" + i), 2 * i]); | |
231 | } | |
232 | var graph = document.getElementById("graph"); | |
233 | var g = new Dygraph(graph, data, opts); | |
234 | ||
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235 | assertEquals(["x2011/01/01", "x2011/01/02", "x2011/01/03", "x2011/01/04", "x2011/01/05", "x2011/01/06", "x2011/01/07", "x2011/01/08", "x2011/01/09"], Util.getXLabels()); |
236 | assertEquals(['y2','y4','y6','y8','y10','y12','y14','y16','y18'], Util.getYLabels()); | |
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237 | |
238 | g.setSelection(0); | |
846038aa | 239 | assertEquals("2011/01/01: y:2", Util.getLegend()); |
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240 | }; |
241 | ||
242 | // This test verifies that when a valueFormatter is set (but not an | |
243 | // axisLabelFormatter), then the valueFormatter is used to format the axis | |
244 | // labels. | |
245 | AxisLabelsTestCase.prototype.testValueFormatter = function () { | |
246 | var opts = { | |
247 | width: 480, | |
248 | height: 320, | |
249 | axes : { | |
250 | x : { | |
251 | valueFormatter: function(x, opts, series_name, dg) { | |
252 | assertEquals('number', typeof(x)); | |
253 | assertEquals('function', typeof(opts)); | |
254 | assertEquals('string', typeof(series_name)); | |
255 | assertEquals('[Dygraph graph]', dg.toString()); | |
256 | return 'x' + x; | |
257 | } | |
258 | }, | |
259 | y : { | |
260 | valueFormatter: function(y, opts, series_name, dg) { | |
261 | assertEquals('number', typeof(y)); | |
262 | assertEquals('function', typeof(opts)); | |
263 | assertEquals('string', typeof(series_name)); | |
264 | assertEquals('[Dygraph graph]', dg.toString()); | |
265 | return 'y' + y; | |
266 | } | |
267 | } | |
268 | }, | |
269 | labels: ['x', 'y'] | |
270 | }; | |
271 | var data = []; | |
272 | for (var i = 0; i < 10; i++) { | |
273 | data.push([i, 2 * i]); | |
274 | } | |
275 | var graph = document.getElementById("graph"); | |
276 | var g = new Dygraph(graph, data, opts); | |
277 | ||
278 | // the valueFormatter options do not affect the ticks. | |
846038aa | 279 | assertEquals(['0','2','4','6','8'], Util.getXLabels()); |
6d6c60b6 | 280 | assertEquals(['0','2','4','6','8','10','12','14','16','18'], |
846038aa | 281 | Util.getYLabels()); |
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282 | |
283 | // they do affect the legend, however. | |
284 | g.setSelection(2); | |
846038aa | 285 | assertEquals("x2: y:y4", Util.getLegend()); |
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286 | }; |
287 | ||
288 | AxisLabelsTestCase.prototype.testDateValueFormatter = function () { | |
289 | var opts = { | |
290 | width: 480, | |
291 | height: 320, | |
292 | axes : { | |
293 | x : { | |
294 | valueFormatter: function(x, opts, series_name, dg) { | |
295 | assertEquals('number', typeof(x)); | |
296 | assertEquals('function', typeof(opts)); | |
297 | assertEquals('string', typeof(series_name)); | |
298 | assertEquals('[Dygraph graph]', dg.toString()); | |
299 | return 'x' + new Date(x).strftime('%Y/%m/%d'); | |
300 | } | |
301 | }, | |
302 | y : { | |
303 | valueFormatter: function(y, opts, series_name, dg) { | |
304 | assertEquals('number', typeof(y)); | |
305 | assertEquals('function', typeof(opts)); | |
306 | assertEquals('string', typeof(series_name)); | |
307 | assertEquals('[Dygraph graph]', dg.toString()); | |
308 | return 'y' + y; | |
309 | } | |
310 | } | |
311 | }, | |
312 | labels: ['x', 'y'] | |
313 | }; | |
314 | ||
315 | var data = []; | |
316 | for (var i = 1; i < 10; i++) { | |
317 | data.push([new Date("2011/01/0" + i), 2 * i]); | |
318 | } | |
319 | var graph = document.getElementById("graph"); | |
320 | var g = new Dygraph(graph, data, opts); | |
321 | ||
322 | // valueFormatters do not affect ticks. | |
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323 | assertEquals(['01Jan','02Jan','03Jan','04Jan','05Jan','06Jan','07Jan','08Jan','09Jan'], Util.getXLabels()); |
324 | assertEquals(['2','4','6','8','10','12','14','16','18'], Util.getYLabels()); | |
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325 | |
326 | // the valueFormatter options also affect the legend. | |
327 | g.setSelection(2); | |
846038aa | 328 | assertEquals('x2011/01/03: y:y6', Util.getLegend()); |
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329 | }; |
330 | ||
331 | // This test verifies that when both a valueFormatter and an axisLabelFormatter | |
332 | // are specified, the axisLabelFormatter takes precedence. | |
333 | AxisLabelsTestCase.prototype.testAxisLabelFormatterPrecedence = function () { | |
334 | var opts = { | |
335 | width: 480, | |
336 | height: 320, | |
337 | axes : { | |
338 | x : { | |
339 | valueFormatter: function(x) { | |
340 | return 'xvf' + x; | |
341 | }, | |
342 | axisLabelFormatter: function(x, granularity) { | |
343 | return 'x' + x; | |
344 | } | |
345 | }, | |
346 | y : { | |
347 | valueFormatter: function(y) { | |
348 | return 'yvf' + y; | |
349 | }, | |
350 | axisLabelFormatter: function(y) { | |
351 | return 'y' + y; | |
352 | } | |
353 | } | |
354 | }, | |
355 | labels: ['x', 'y'] | |
356 | }; | |
357 | var data = []; | |
358 | for (var i = 0; i < 10; i++) { | |
359 | data.push([i, 2 * i]); | |
360 | } | |
361 | var graph = document.getElementById("graph"); | |
362 | var g = new Dygraph(graph, data, opts); | |
363 | ||
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364 | assertEquals(['x0','x2','x4','x6','x8'], Util.getXLabels()); |
365 | assertEquals(['y0','y2','y4','y6','y8','y10','y12','y14','y16','y18'], Util.getYLabels()); | |
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366 | |
367 | g.setSelection(9); | |
846038aa | 368 | assertEquals("xvf9: y:yvf18", Util.getLegend()); |
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369 | }; |
370 | ||
371 | // This is the same as the previous test, except that options are added | |
372 | // one-by-one. | |
373 | AxisLabelsTestCase.prototype.testAxisLabelFormatterIncremental = function () { | |
374 | var opts = { | |
375 | width: 480, | |
376 | height: 320, | |
377 | labels: ['x', 'y'] | |
378 | }; | |
379 | var data = []; | |
380 | for (var i = 0; i < 10; i++) { | |
381 | data.push([i, 2 * i]); | |
382 | } | |
383 | var graph = document.getElementById("graph"); | |
384 | var g = new Dygraph(graph, data, opts); | |
385 | g.updateOptions({ | |
386 | axes : { | |
387 | x : { | |
388 | valueFormatter: function(x) { | |
389 | return 'xvf' + x; | |
390 | } | |
391 | } | |
392 | } | |
393 | }); | |
394 | g.updateOptions({ | |
395 | axes : { | |
396 | y : { | |
397 | valueFormatter: function(y) { | |
398 | return 'yvf' + y; | |
399 | } | |
400 | } | |
401 | } | |
402 | }); | |
403 | g.updateOptions({ | |
404 | axes : { | |
405 | x : { | |
406 | axisLabelFormatter: function(x, granularity) { | |
407 | return 'x' + x; | |
408 | } | |
409 | } | |
410 | } | |
411 | }); | |
412 | g.updateOptions({ | |
413 | axes : { | |
414 | y : { | |
415 | axisLabelFormatter: function(y) { | |
416 | return 'y' + y; | |
417 | } | |
418 | } | |
419 | } | |
420 | }); | |
421 | ||
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422 | assertEquals(["x0","x2","x4","x6","x8"], Util.getXLabels()); |
423 | assertEquals(['y0','y2','y4','y6','y8','y10','y12','y14','y16','y18'], Util.getYLabels()); | |
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424 | |
425 | g.setSelection(9); | |
846038aa | 426 | assertEquals("xvf9: y:yvf18", Util.getLegend()); |
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427 | }; |
428 | ||
429 | AxisLabelsTestCase.prototype.testGlobalFormatters = function() { | |
430 | var opts = { | |
431 | width: 480, | |
432 | height: 320, | |
433 | labels: ['x', 'y'], | |
434 | valueFormatter: function(x) { | |
435 | return 'vf' + x; | |
436 | }, | |
437 | axisLabelFormatter: function(x) { | |
438 | return 'alf' + x; | |
439 | } | |
440 | }; | |
441 | var data = []; | |
442 | for (var i = 0; i < 10; i++) { | |
443 | data.push([i, 2 * i]); | |
444 | } | |
445 | var graph = document.getElementById("graph"); | |
446 | var g = new Dygraph(graph, data, opts); | |
447 | ||
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448 | assertEquals(['alf0','alf2','alf4','alf6','alf8'], Util.getXLabels()); |
449 | assertEquals(['alf0','alf2','alf4','alf6','alf8','alf10','alf12','alf14','alf16','alf18'], Util.getYLabels()); | |
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450 | |
451 | g.setSelection(9); | |
846038aa | 452 | assertEquals("vf9: y:vf18", Util.getLegend()); |
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453 | }; |
454 | ||
455 | AxisLabelsTestCase.prototype.testSeriesOrder = function() { | |
456 | var opts = { | |
457 | width: 480, | |
458 | height: 320 | |
459 | }; | |
460 | var data = "x,00,01,10,11\n" + | |
461 | "0,101,201,301,401\n" + | |
462 | "1,102,202,302,402\n" + | |
463 | "2,103,203,303,403\n" + | |
464 | "3,104,204,304,404\n" | |
465 | ; | |
466 | ||
467 | var graph = document.getElementById("graph"); | |
468 | var g = new Dygraph(graph, data, opts); | |
469 | ||
470 | g.setSelection(2); | |
846038aa | 471 | assertEquals('2: 00:103 01:203 10:303 11:403', Util.getLegend()); |
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472 | |
473 | // Sanity checks for indexFromSetName | |
474 | assertEquals(0, g.indexFromSetName("x")); | |
475 | assertEquals(1, g.indexFromSetName("00")); | |
476 | assertEquals(null, g.indexFromSetName("abcde")); | |
477 | ||
478 | // Verify that we get the label list back in the right order | |
479 | assertEquals(["x", "00", "01", "10", "11"], g.getLabels()); | |
480 | }; | |
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481 | |
482 | AxisLabelsTestCase.prototype.testLabelKMB = function() { | |
483 | var data = []; | |
484 | data.push([0,0]); | |
485 | data.push([1,2000]); | |
486 | data.push([2,1000]); | |
487 | ||
488 | var g = new Dygraph( | |
489 | document.getElementById("graph"), | |
490 | data, | |
491 | { | |
492 | labels: [ 'X', 'bar' ], | |
493 | axes : { | |
494 | y: { | |
495 | labelsKMB: true | |
496 | } | |
497 | } | |
498 | } | |
499 | ); | |
500 | ||
501 | assertEquals(["0", "500", "1K", "1.5K", "2K"], Util.getYLabels()); | |
502 | }; | |
503 | ||
504 | AxisLabelsTestCase.prototype.testLabelKMG2 = function() { | |
505 | var data = []; | |
506 | data.push([0,0]); | |
507 | data.push([1,2000]); | |
508 | data.push([2,1000]); | |
509 | ||
510 | var g = new Dygraph( | |
511 | document.getElementById("graph"), | |
512 | data, | |
513 | { | |
514 | labels: [ 'X', 'bar' ], | |
515 | axes : { | |
516 | y: { | |
517 | labelsKMG2: true | |
518 | } | |
519 | } | |
520 | } | |
521 | ); | |
522 | ||
523 | assertEquals( | |
524 | ["0","256","512","768","1k","1.25k","1.5k","1.75k","2k"], | |
525 | Util.getYLabels()); | |
526 | }; | |
b0d3471d | 527 | |
a716aff2 RK |
528 | // Same sa testLabelKMG2 but specifies the option at the |
529 | // top of the option dictionary. | |
530 | AxisLabelsTestCase.prototype.testLabelKMG2_top = function() { | |
531 | var data = []; | |
532 | data.push([0,0]); | |
533 | data.push([1,2000]); | |
534 | data.push([2,1000]); | |
535 | ||
536 | var g = new Dygraph( | |
537 | document.getElementById("graph"), | |
538 | data, | |
539 | { | |
540 | labels: [ 'X', 'bar' ], | |
541 | labelsKMG2: true | |
542 | } | |
543 | ); | |
544 | ||
545 | assertEquals( | |
546 | ["0","256","512","768","1k","1.25k","1.5k","1.75k","2k"], | |
547 | Util.getYLabels()); | |
548 | }; | |
549 | ||
b0d3471d RK |
550 | /** |
551 | * Verify that log scale axis range is properly specified. | |
552 | */ | |
553 | AxisLabelsTestCase.prototype.testLogScale = function() { | |
554 | var g = new Dygraph("graph", [[0, 5], [1, 1000]], { logscale : true }); | |
555 | var nonEmptyLabels = Util.getYLabels().filter(function(x) { return x.length > 0; }); | |
556 | assertEquals(["6","10","30","60","100","300","600","1000"], nonEmptyLabels); | |
557 | ||
558 | g.updateOptions({ logscale : false }); | |
559 | assertEquals(['0','200','400','600','800','1000'], Util.getYLabels()); | |
560 | } | |
478b866b RK |
561 | |
562 | /** | |
563 | * Verify that include zero range is properly specified. | |
564 | */ | |
565 | AxisLabelsTestCase.prototype.testIncludeZero = function() { | |
566 | var g = new Dygraph("graph", [[0, 500], [1, 1000]], { includeZero : true }); | |
567 | assertEquals(['0','200','400','600','800','1000'], Util.getYLabels()); | |
568 | ||
569 | g.updateOptions({ includeZero : false }); | |
570 | assertEquals(['500','600','700','800','900','1000'], Util.getYLabels()); | |
571 | } |