X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Frolling_average.js;h=4b68da20057ab90397f9355ebf0c83cfcaaf2d81;hb=ce31caf22475e3e1fd6d9fea192d61ff4fcd7fac;hp=2dd157f6204d71fe1cde577fd38796b423b6ca9d;hpb=77b5e09d8097138dfd4871db7a1240c787b916af;p=dygraphs.git

diff --git a/auto_tests/tests/rolling_average.js b/auto_tests/tests/rolling_average.js
index 2dd157f..4b68da2 100644
--- a/auto_tests/tests/rolling_average.js
+++ b/auto_tests/tests/rolling_average.js
@@ -3,20 +3,16 @@
  *
  * @author danvk@google.com (Dan Vanderkam)
  */
-var rollingAverageTestCase = TestCase("rolling-average");
 
-rollingAverageTestCase.prototype.setUp = function() {
-  document.body.innerHTML = "<div id='graph'></div>";
-};
+import Dygraph from '../../src/dygraph';
 
-rollingAverageTestCase.prototype.tearDown = function() {
-};
+import Util from './Util';
 
-rollingAverageTestCase.prototype.getLegend = function() {
-  return document.getElementsByClassName("dygraph-legend")[0].textContent;
-};
+describe("rolling-average", function() {
 
-rollingAverageTestCase.prototype.testRollingAverage = function() {
+cleanupAfterEach();
+
+it('testRollingAverage', function() {
   var opts = {
     width: 480,
     height: 320,
@@ -33,35 +29,35 @@ rollingAverageTestCase.prototype.testRollingAverage = function() {
   var graph = document.getElementById("graph");
   var g = new Dygraph(graph, data, opts);
 
-  g.setSelection(0); assertEquals("0: Y:0", this.getLegend());
-  g.setSelection(1); assertEquals("1: Y:1", this.getLegend());
-  g.setSelection(2); assertEquals("2: Y:2", this.getLegend());
-  g.setSelection(3); assertEquals("3: Y:3", this.getLegend());
-  assertEquals(1, g.rollPeriod());
+  g.setSelection(0); assert.equal("0: Y: 0", Util.getLegend());
+  g.setSelection(1); assert.equal("1: Y: 1", Util.getLegend());
+  g.setSelection(2); assert.equal("2: Y: 2", Util.getLegend());
+  g.setSelection(3); assert.equal("3: Y: 3", Util.getLegend());
+  assert.equal(1, g.rollPeriod());
 
   g.updateOptions({rollPeriod: 2});
-  g.setSelection(0); assertEquals("0: Y:0", this.getLegend());
-  g.setSelection(1); assertEquals("1: Y:0.5", this.getLegend());
-  g.setSelection(2); assertEquals("2: Y:1.5", this.getLegend());
-  g.setSelection(3); assertEquals("3: Y:2.5", this.getLegend());
-  assertEquals(2, g.rollPeriod());
+  g.setSelection(0); assert.equal("0: Y: 0", Util.getLegend());
+  g.setSelection(1); assert.equal("1: Y: 0.5", Util.getLegend());
+  g.setSelection(2); assert.equal("2: Y: 1.5", Util.getLegend());
+  g.setSelection(3); assert.equal("3: Y: 2.5", Util.getLegend());
+  assert.equal(2, g.rollPeriod());
 
   g.updateOptions({rollPeriod: 3});
-  g.setSelection(0); assertEquals("0: Y:0", this.getLegend());
-  g.setSelection(1); assertEquals("1: Y:0.5", this.getLegend());
-  g.setSelection(2); assertEquals("2: Y:1", this.getLegend());
-  g.setSelection(3); assertEquals("3: Y:2", this.getLegend());
-  assertEquals(3, g.rollPeriod());
+  g.setSelection(0); assert.equal("0: Y: 0", Util.getLegend());
+  g.setSelection(1); assert.equal("1: Y: 0.5", Util.getLegend());
+  g.setSelection(2); assert.equal("2: Y: 1", Util.getLegend());
+  g.setSelection(3); assert.equal("3: Y: 2", Util.getLegend());
+  assert.equal(3, g.rollPeriod());
 
   g.updateOptions({rollPeriod: 4});
-  g.setSelection(0); assertEquals("0: Y:0", this.getLegend());
-  g.setSelection(1); assertEquals("1: Y:0.5", this.getLegend());
-  g.setSelection(2); assertEquals("2: Y:1", this.getLegend());
-  g.setSelection(3); assertEquals("3: Y:1.5", this.getLegend());
-  assertEquals(4, g.rollPeriod());
-};
+  g.setSelection(0); assert.equal("0: Y: 0", Util.getLegend());
+  g.setSelection(1); assert.equal("1: Y: 0.5", Util.getLegend());
+  g.setSelection(2); assert.equal("2: Y: 1", Util.getLegend());
+  g.setSelection(3); assert.equal("3: Y: 1.5", Util.getLegend());
+  assert.equal(4, g.rollPeriod());
+});
 
-rollingAverageTestCase.prototype.testRollBoxDoesntDisapper = function() {
+it('testRollBoxDoesntDisapper', function() {
   var opts = {
     showRoller: true
   };
@@ -76,12 +72,167 @@ rollingAverageTestCase.prototype.testRollBoxDoesntDisapper = function() {
   var g = new Dygraph(graph, data, opts);
 
   var roll_box = graph.getElementsByTagName("input");
-  assertEquals(1, roll_box.length);
-  assertEquals("1", roll_box[0].value);
+  assert.equal(1, roll_box.length);
+  assert.equal("1", roll_box[0].value);
 
   graph.style.width = "500px";
   g.resize();
-  assertEquals(1, roll_box.length);
-  assertEquals("1", roll_box[0].value);
+  assert.equal(1, roll_box.length);
+  assert.equal("1", roll_box[0].value);
+});
+
+// Regression test for http://code.google.com/p/dygraphs/issues/detail?id=426
+it('testRollShortFractions', function() {
+  var opts = {
+    customBars: true,
+    labels: ['x', 'A', 'B']
+  };
+  var data1 = [ [1, 10, [1, 20]] ];
+  var data2 = [ [1, 10, [1, 20]],
+                [2, 20, [1, 30]],
+              ];
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data2, opts);
+
+  var rolled1 = g.dataHandler_.rollingAverage(data1, 1, g);
+  var rolled2 = g.dataHandler_.rollingAverage(data2, 1, g);
+
+  assert.deepEqual(rolled1[0], rolled2[0]);
+});
+
+it('testRollCustomBars', function() {
+  var opts = {
+    customBars: true,
+    rollPeriod: 2,
+    labels: ['x', 'A']
+  };
+  var data = [ [1, [1, 10, 20]],
+               [2, [1, 20, 30]],
+               [3, [1, 30, 40]],
+               [4, [1, 40, 50]]
+              ];
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data, opts);
+  var rolled = getRolledData(g, data, 1, 2);
+  assert.deepEqual([1, 10, [1, 20]], rolled[0]);
+  assert.deepEqual([2, 15, [1, 25]], rolled[1]);
+  assert.deepEqual([3, 25, [1, 35]], rolled[2]);
+  assert.deepEqual([4, 35, [1, 45]], rolled[3]);
+});
+
+it('testRollErrorBars', function() {
+  var opts = {
+    errorBars: true,
+    rollPeriod: 2,
+    labels: ['x', 'A']
+  };
+  var data = [ [1, [10, 1]],
+               [2, [20, 1]],
+               [3, [30, 1]],
+               [4, [40, 1]]
+              ];
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data, opts);
+  var rolled = getRolledData(g, data, 1, 2);
+  assert.deepEqual([1, 10, [8, 12]], rolled[0]);
+ 
+  // variance = sqrt( pow(error) * rollPeriod)
+  var variance = Math.sqrt(2);
+  for (var i=1;i<data.length;i++) {
+    var value = data[i][1][0] - 5;
+    assert.equal(value, rolled[i][1], "unexpected rolled average");
+    assert.equal(value - variance, rolled[i][2][0], "unexpected rolled min");
+    assert.equal(value + variance, rolled[i][2][1], "unexpected rolled max");
+  }
+});
+
+it('testRollFractions', function() {
+  var opts = {
+    fractions: true,
+    rollPeriod: 2,
+    labels: ['x', 'A']
+  };
+  var data = [ [1, [1, 10]],
+               [2, [2, 10]],
+               [3, [3, 10]],
+               [4, [4, 10]]
+              ];
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data, opts);
+  var rolled = getRolledData(g, data, 1, 2);
+  assert.deepEqual([1, 10], rolled[0]);
+  assert.deepEqual([2, 15], rolled[1]);
+  assert.deepEqual([3, 25], rolled[2]);
+  assert.deepEqual([4, 35], rolled[3]);
+});
+
+it('testRollFractionsBars', function() {
+  var opts = {
+    fractions: true,
+    errorBars: true,
+    wilsonInterval: false,
+    rollPeriod: 2,
+    labels: ['x', 'A']
+  };
+  var data = [ [1, [1, 10]],
+               [2, [2, 10]],
+               [3, [3, 10]],
+               [4, [4, 10]]
+              ];
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data, opts);
+  var rolled = getRolledData(g, data, 1, 2);
+
+  // precalculated rounded values expected
+  var values = [10, 15, 25, 35];
+  var lows = [-9, -1, 6, 14];
+  var highs = [29, 31, 44, 56];
+
+  for (var i=0;i<data.length;i++) {
+    assert.equal(values[i], Math.round(rolled[i][1]), "unexpected rolled average");
+    assert.equal(lows[i], Math.round(rolled[i][2][0]), "unexpected rolled min");
+    assert.equal(highs[i], Math.round(rolled[i][2][1]), "unexpected rolled max");
+  }
+});
+
+it('testRollFractionsBarsWilson', function() {
+  var opts = {
+    fractions: true,
+    errorBars: true,
+    wilsonInterval: true,
+    rollPeriod: 2,
+    labels: ['x', 'A']
+  };
+  var data = [ [1, [1, 10]],
+               [2, [2, 10]],
+               [3, [3, 10]],
+               [4, [4, 10]]
+              ];
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data, opts);
+  var rolled = getRolledData(g, data, 1, 2);
+
+  //precalculated rounded values expected
+  var values = [10, 15, 25, 35];
+  var lows = [2, 5, 11, 18];
+  var highs = [41, 37, 47, 57];
+
+  for (var i=0;i<data.length;i++) {
+    assert.equal(values[i], Math.round(rolled[i][1]), "unexpected rolled average");
+    assert.equal(lows[i], Math.round(rolled[i][2][0]), "unexpected rolled min");
+    assert.equal(highs[i], Math.round(rolled[i][2][1]), "unexpected rolled max");
+  }
+});
+
+var getRolledData = function(g, data, seriesIdx, rollPeriod){
+  var options = g.attributes_;
+  return g.dataHandler_.rollingAverage(g.dataHandler_.extractSeries(data, seriesIdx, options), rollPeriod, options);
 };
 
+});