-/**
+/**
* @fileoverview Test cases for how axis labels are chosen and formatted.
*
* @author dan@dygraphs.com (Dan Vanderkam)
AxisLabelsTestCase.prototype.tearDown = function() {
};
-function getYLabels() {
- var y_labels = document.getElementsByClassName("dygraph-axis-label-y");
- var ary = [];
- for (var i = 0; i < y_labels.length; i++) {
- ary.push(y_labels[i].innerHTML);
+/**
+ * Takes in an array of strings and returns an array of floats.
+ */
+function makeNumbers(ary) {
+ var ret = [];
+ for (var i = 0; i < ary.length; i++) {
+ ret.push(parseFloat(ary[i]));
}
- return ary;
+ return ret;
}
-function getXLabels() {
- var x_labels = document.getElementsByClassName("dygraph-axis-label-x");
- var ary = [];
- for (var i = 0; i < x_labels.length; i++) {
- ary.push(x_labels[i].innerHTML);
- }
- return ary;
-}
+AxisLabelsTestCase.prototype.kCloseFloat = 1.0e-10;
AxisLabelsTestCase.prototype.testMinusOneToOne = function() {
var opts = {
var g = new Dygraph(graph, data, opts);
// TODO(danvk): would ['-1.0','-0.5','0.0','0.5','1.0'] be better?
- assertEquals(['-1','-0.5','0','0.5','1'], getYLabels());
+ assertEquals(['-1','-0.5','0','0.5','1'], Util.getYLabels());
// Go up to 2
data += "4,2\n";
g.updateOptions({file: data});
- assertEquals(['-1','-0.5','0','0.5','1','1.5','2'], getYLabels());
+ assertEquals(['-1','-0.5','0','0.5','1','1.5','2'], Util.getYLabels());
// Now 10
data += "5,10\n";
g.updateOptions({file: data});
- assertEquals(['-2','0','2','4','6','8','10'], getYLabels());
+ assertEquals(['-2','0','2','4','6','8','10'], Util.getYLabels());
// Now 100
data += "6,100\n";
g.updateOptions({file: data});
- assertEquals(['0','20','40','60','80','100'], getYLabels());
+ assertEquals(['0','20','40','60','80','100'], Util.getYLabels());
+
+ g.setSelection(0);
+ assertEquals('0: Y:-1', Util.getLegend());
};
AxisLabelsTestCase.prototype.testSmallRangeNearZero = function() {
var opts = {
+ drawAxesAtZero: true,
width: 480,
height: 320
};
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data, opts);
- assertEquals(["-0.1","-0.08","-0.06","-0.04","-0.02","0","0.02","0.04","0.06","0.08"], getYLabels());
+ assertEqualsDelta(makeNumbers(["-0.1","-0.08","-0.06","-0.04","-0.02","0","0.02","0.04","0.06","0.08"]),
+ makeNumbers(Util.getYLabels()), this.kCloseFloat);
opts.valueRange = [-0.05, 0.05];
g.updateOptions(opts);
// TODO(danvk): why '1.00e-2' and not '0.01'?
- assertEquals(["-0.05","-0.04","-0.03","-0.02","-0.01","0","1.00e-2","0.02","0.03","0.04"], getYLabels());
+ assertEquals(makeNumbers(["-0.05","-0.04","-0.03","-0.02","-0.01","0","1.00e-2","0.02","0.03","0.04"]),
+ makeNumbers(Util.getYLabels()));
opts.valueRange = [-0.01, 0.01];
g.updateOptions(opts);
- assertEquals(["-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"], getYLabels());
+ 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()));
+
+ g.setSelection(1);
+ assertEquals('1: Y:0', Util.getLegend());
};
AxisLabelsTestCase.prototype.testSmallRangeAwayFromZero = function() {
opts.valueRange = [9.9, 10.1];
var g = new Dygraph(graph, data, opts);
- assertEquals(["9.9","9.92","9.94","9.96","9.98","10","10.02","10.04","10.06","10.08"], getYLabels());
+ assertEquals(["9.9","9.92","9.94","9.96","9.98","10","10.02","10.04","10.06","10.08"], Util.getYLabels());
opts.valueRange = [9.99, 10.01];
g.updateOptions(opts);
// TODO(danvk): this is bad
- assertEquals(["9.99","9.99","9.99","10","10","10","10","10","10.01","10.01"], getYLabels());
+ assertEquals(["9.99","9.99","9.99","10","10","10","10","10","10.01","10.01"], Util.getYLabels());
opts.valueRange = [9.999, 10.001];
g.updateOptions(opts);
// TODO(danvk): this is even worse!
- assertEquals(["10","10","10","10","10","10","10","10","10","10"], getYLabels());
+ assertEquals(["10","10","10","10","10","10","10","10","10","10"], Util.getYLabels());
+
+ g.setSelection(1);
+ assertEquals('1: Y:0', Util.getLegend());
};
AxisLabelsTestCase.prototype.testXAxisTimeLabelFormatter = function() {
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data, opts);
g.updateOptions({
- xAxisLabelFormatter: function (totalMinutes) {
- var hours = Math.floor( totalMinutes / 60);
- var minutes = Math.floor((totalMinutes - (hours * 60)));
- var seconds = Math.round((totalMinutes * 60) - (hours * 3600) - (minutes * 60));
+ axes : {
+ x : {
+ axisLabelFormatter : function (totalMinutes) {
+ var hours = Math.floor( totalMinutes / 60);
+ var minutes = Math.floor((totalMinutes - (hours * 60)));
+ var seconds = Math.round((totalMinutes * 60) - (hours * 3600) - (minutes * 60));
+
+ if (hours < 10) hours = "0" + hours;
+ if (minutes < 10) minutes = "0" + minutes;
+ if (seconds < 10) seconds = "0" + seconds;
+
+ return hours + ':' + minutes + ':' + seconds;
+ }
+ }
+ }
+ });
+
+ assertEquals(["00:05:00","00:05:12","00:05:24","00:05:36","00:05:48"], Util.getXLabels());
+
+ // The legend does not use the axisLabelFormatter:
+ g.setSelection(1);
+ assertEquals('5.1: Y1:1', Util.getLegend());
+};
+
+AxisLabelsTestCase.prototype.testAxisLabelFormatter = function () {
+ var opts = {
+ width: 480,
+ height: 320,
+ axes : {
+ x : {
+ axisLabelFormatter : function(x, granularity, opts, dg) {
+ assertEquals('number', typeof(x));
+ assertEquals('number', typeof(granularity));
+ assertEquals('function', typeof(opts));
+ assertEquals('[Dygraph graph]', dg.toString());
+ return 'x' + x;
+ }
+ },
+ y : {
+ axisLabelFormatter : function(y, granularity, opts, dg) {
+ assertEquals('number', typeof(y));
+ assertEquals('number', typeof(granularity));
+ assertEquals('function', typeof(opts));
+ assertEquals('[Dygraph graph]', dg.toString());
+ return 'y' + y;
+ }
+ }
+ },
+ labels: ['x', 'y']
+ };
+ var data = [];
+ for (var i = 0; i < 10; i++) {
+ data.push([i, 2 * i]);
+ }
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ assertEquals(['x0','x2','x4','x6','x8'], Util.getXLabels());
+ assertEquals(['y0','y2','y4','y6','y8','y10','y12','y14','y16','y18'], Util.getYLabels());
+
+ g.setSelection(2);
+ assertEquals("2: y:4", Util.getLegend());
+};
+
+AxisLabelsTestCase.prototype.testDateAxisLabelFormatter = function () {
+ var opts = {
+ width: 480,
+ height: 320,
+ axes : {
+ x : {
+ axisLabelFormatter : function(x, granularity, opts, dg) {
+ assertTrue(Dygraph.isDateLike(x));
+ assertEquals('number', typeof(granularity));
+ assertEquals('function', typeof(opts));
+ assertEquals('[Dygraph graph]', dg.toString());
+ return 'x' + x.strftime('%Y/%m/%d');
+ }
+ },
+ y : {
+ axisLabelFormatter : function(y, granularity, opts, dg) {
+ assertEquals('number', typeof(y));
+ assertEquals('number', typeof(granularity));
+ assertEquals('function', typeof(opts));
+ assertEquals('[Dygraph graph]', dg.toString());
+ return 'y' + y;
+ }
+ }
+ },
+ labels: ['x', 'y']
+ };
+ var data = [];
+ for (var i = 1; i < 10; i++) {
+ data.push([new Date("2011/01/0" + i), 2 * i]);
+ }
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ 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());
+ assertEquals(['y2','y4','y6','y8','y10','y12','y14','y16','y18'], Util.getYLabels());
+
+ g.setSelection(0);
+ assertEquals("2011/01/01: y:2", Util.getLegend());
+};
+
+// This test verifies that when a valueFormatter is set (but not an
+// axisLabelFormatter), then the valueFormatter is used to format the axis
+// labels.
+AxisLabelsTestCase.prototype.testValueFormatter = function () {
+ var opts = {
+ width: 480,
+ height: 320,
+ axes : {
+ x : {
+ valueFormatter: function(x, opts, series_name, dg) {
+ assertEquals('number', typeof(x));
+ assertEquals('function', typeof(opts));
+ assertEquals('string', typeof(series_name));
+ assertEquals('[Dygraph graph]', dg.toString());
+ return 'x' + x;
+ }
+ },
+ y : {
+ valueFormatter: function(y, opts, series_name, dg) {
+ assertEquals('number', typeof(y));
+ assertEquals('function', typeof(opts));
+ assertEquals('string', typeof(series_name));
+ assertEquals('[Dygraph graph]', dg.toString());
+ return 'y' + y;
+ }
+ }
+ },
+ labels: ['x', 'y']
+ };
+ var data = [];
+ for (var i = 0; i < 10; i++) {
+ data.push([i, 2 * i]);
+ }
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ // the valueFormatter options do not affect the ticks.
+ assertEquals(['0','2','4','6','8'], Util.getXLabels());
+ assertEquals(['0','2','4','6','8','10','12','14','16','18'],
+ Util.getYLabels());
+
+ // they do affect the legend, however.
+ g.setSelection(2);
+ assertEquals("x2: y:y4", Util.getLegend());
+};
+
+AxisLabelsTestCase.prototype.testDateValueFormatter = function () {
+ var opts = {
+ width: 480,
+ height: 320,
+ axes : {
+ x : {
+ valueFormatter: function(x, opts, series_name, dg) {
+ assertEquals('number', typeof(x));
+ assertEquals('function', typeof(opts));
+ assertEquals('string', typeof(series_name));
+ assertEquals('[Dygraph graph]', dg.toString());
+ return 'x' + new Date(x).strftime('%Y/%m/%d');
+ }
+ },
+ y : {
+ valueFormatter: function(y, opts, series_name, dg) {
+ assertEquals('number', typeof(y));
+ assertEquals('function', typeof(opts));
+ assertEquals('string', typeof(series_name));
+ assertEquals('[Dygraph graph]', dg.toString());
+ return 'y' + y;
+ }
+ }
+ },
+ labels: ['x', 'y']
+ };
+
+ var data = [];
+ for (var i = 1; i < 10; i++) {
+ data.push([new Date("2011/01/0" + i), 2 * i]);
+ }
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
- if (hours < 10) hours = "0" + hours;
- if (minutes < 10) minutes = "0" + minutes;
- if (seconds < 10) seconds = "0" + seconds;
+ // valueFormatters do not affect ticks.
+ assertEquals(['01Jan','02Jan','03Jan','04Jan','05Jan','06Jan','07Jan','08Jan','09Jan'], Util.getXLabels());
+ assertEquals(['2','4','6','8','10','12','14','16','18'], Util.getYLabels());
- return hours + ':' + minutes + ':' + seconds;
+ // the valueFormatter options also affect the legend.
+ g.setSelection(2);
+ assertEquals('x2011/01/03: y:y6', Util.getLegend());
+};
+
+// This test verifies that when both a valueFormatter and an axisLabelFormatter
+// are specified, the axisLabelFormatter takes precedence.
+AxisLabelsTestCase.prototype.testAxisLabelFormatterPrecedence = function () {
+ var opts = {
+ width: 480,
+ height: 320,
+ axes : {
+ x : {
+ valueFormatter: function(x) {
+ return 'xvf' + x;
+ },
+ axisLabelFormatter: function(x, granularity) {
+ return 'x' + x;
+ }
+ },
+ y : {
+ valueFormatter: function(y) {
+ return 'yvf' + y;
+ },
+ axisLabelFormatter: function(y) {
+ return 'y' + y;
+ }
+ }
+ },
+ labels: ['x', 'y']
+ };
+ var data = [];
+ for (var i = 0; i < 10; i++) {
+ data.push([i, 2 * i]);
+ }
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ assertEquals(['x0','x2','x4','x6','x8'], Util.getXLabels());
+ assertEquals(['y0','y2','y4','y6','y8','y10','y12','y14','y16','y18'], Util.getYLabels());
+
+ g.setSelection(9);
+ assertEquals("xvf9: y:yvf18", Util.getLegend());
+};
+
+// This is the same as the previous test, except that options are added
+// one-by-one.
+AxisLabelsTestCase.prototype.testAxisLabelFormatterIncremental = function () {
+ var opts = {
+ width: 480,
+ height: 320,
+ labels: ['x', 'y']
+ };
+ var data = [];
+ for (var i = 0; i < 10; i++) {
+ data.push([i, 2 * i]);
+ }
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+ g.updateOptions({
+ axes : {
+ x : {
+ valueFormatter: function(x) {
+ return 'xvf' + x;
+ }
+ }
}
});
+ g.updateOptions({
+ axes : {
+ y : {
+ valueFormatter: function(y) {
+ return 'yvf' + y;
+ }
+ }
+ }
+ });
+ g.updateOptions({
+ axes : {
+ x : {
+ axisLabelFormatter: function(x, granularity) {
+ return 'x' + x;
+ }
+ }
+ }
+ });
+ g.updateOptions({
+ axes : {
+ y : {
+ axisLabelFormatter: function(y) {
+ return 'y' + y;
+ }
+ }
+ }
+ });
+
+ assertEquals(["x0","x2","x4","x6","x8"], Util.getXLabels());
+ assertEquals(['y0','y2','y4','y6','y8','y10','y12','y14','y16','y18'], Util.getYLabels());
+
+ g.setSelection(9);
+ assertEquals("xvf9: y:yvf18", Util.getLegend());
+};
+
+AxisLabelsTestCase.prototype.testGlobalFormatters = function() {
+ var opts = {
+ width: 480,
+ height: 320,
+ labels: ['x', 'y'],
+ valueFormatter: function(x) {
+ return 'vf' + x;
+ },
+ axisLabelFormatter: function(x) {
+ return 'alf' + x;
+ }
+ };
+ var data = [];
+ for (var i = 0; i < 10; i++) {
+ data.push([i, 2 * i]);
+ }
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
- // This is what the output should be:
- // assertEquals(["00:05:00", "00:05:06", "00:05:12", "00:05:18", "00:05:24", "00:05:30", "00:05:36", "00:05:42", "00:05:48", "00:05:54"], getXLabels());
+ assertEquals(['alf0','alf2','alf4','alf6','alf8'], Util.getXLabels());
+ assertEquals(['alf0','alf2','alf4','alf6','alf8','alf10','alf12','alf14','alf16','alf18'], Util.getYLabels());
- // This is what it is:
- assertEquals(['5','5.1','5.2','5.3','5.4','5.5', '5.6', '5.7', '5.8', '5.9'], getXLabels());
+ g.setSelection(9);
+ assertEquals("vf9: y:vf18", Util.getLegend());
};
+AxisLabelsTestCase.prototype.testSeriesOrder = function() {
+ var opts = {
+ width: 480,
+ height: 320
+ };
+ var data = "x,00,01,10,11\n" +
+ "0,101,201,301,401\n" +
+ "1,102,202,302,402\n" +
+ "2,103,203,303,403\n" +
+ "3,104,204,304,404\n"
+ ;
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ g.setSelection(2);
+ assertEquals('2: 00:103 01:203 10:303 11:403', Util.getLegend());
+
+ // Sanity checks for indexFromSetName
+ assertEquals(0, g.indexFromSetName("x"));
+ assertEquals(1, g.indexFromSetName("00"));
+ assertEquals(null, g.indexFromSetName("abcde"));
+
+ // Verify that we get the label list back in the right order
+ assertEquals(["x", "00", "01", "10", "11"], g.getLabels());
+};
projects / dygraphs.git / blobdiff