-/**
+/**
* @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);
- }
- return ary;
-}
+AxisLabelsTestCase.simpleData =
+ "X,Y,Y2\n" +
+ "0,-1,.5\n" +
+ "1,0,.7\n" +
+ "2,1,.4\n" +
+ "3,0,.98\n";
-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([-0.1, -0.08, -0.06, -0.04, -0.02, 0, 0.02, 0.04, 0.06, 0.08],
+ Util.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([-0.05, -0.04, -0.03, -0.02, -0.01, 0, 0.01, 0.02, 0.03, 0.04],
+ Util.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([-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],
+ Util.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;
+ if (hours < 10) hours = "0" + hours;
+ if (minutes < 10) minutes = "0" + minutes;
+ if (seconds < 10) seconds = "0" + seconds;
- return hours + ':' + minutes + ':' + seconds;
+ return hours + ':' + minutes + ':' + seconds;
+ }
+ }
}
});
- // 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(["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);
+
+ // 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());
+
+ // 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());
- // 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("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);
+
+ assertEquals(['alf0','alf2','alf4','alf6','alf8'], Util.getXLabels());
+ assertEquals(['alf0','alf2','alf4','alf6','alf8','alf10','alf12','alf14','alf16','alf18'], Util.getYLabels());
+
+ 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());
+};
+
+AxisLabelsTestCase.prototype.testLabelKMB = function() {
+ var data = [];
+ data.push([0,0]);
+ data.push([1,2000]);
+ data.push([2,1000]);
+
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ labels: [ 'X', 'bar' ],
+ axes : {
+ y: {
+ labelsKMB: true
+ }
+ }
+ }
+ );
+
+ assertEquals(["0", "500", "1K", "1.5K", "2K"], Util.getYLabels());
+};
+
+AxisLabelsTestCase.prototype.testLabelKMG2 = function() {
+ var data = [];
+ data.push([0,0]);
+ data.push([1,2000]);
+ data.push([2,1000]);
+
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ labels: [ 'X', 'bar' ],
+ axes : {
+ y: {
+ labelsKMG2: true
+ }
+ }
+ }
+ );
+
+ assertEquals(
+ ["0","256","512","768","1k","1.25k","1.5k","1.75k","2k"],
+ Util.getYLabels());
+};
+
+// Same as testLabelKMG2 but specifies the option at the
+// top of the option dictionary.
+AxisLabelsTestCase.prototype.testLabelKMG2_top = function() {
+ var data = [];
+ data.push([0,0]);
+ data.push([1,2000]);
+ data.push([2,1000]);
+
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ labels: [ 'X', 'bar' ],
+ labelsKMG2: true
+ }
+ );
+
+ assertEquals(
+ ["0","256","512","768","1k","1.25k","1.5k","1.75k","2k"],
+ Util.getYLabels());
+};
+
+/**
+ * Verify that log scale axis range is properly specified.
+ */
+AxisLabelsTestCase.prototype.testLogScale = function() {
+ var g = new Dygraph("graph", [[0, 5], [1, 1000]], { logscale : true });
+ var nonEmptyLabels = Util.getYLabels().filter(function(x) { return x.length > 0; });
+ assertEquals(["6","10","30","60","100","300","600","1000"], nonEmptyLabels);
+
+ g.updateOptions({ logscale : false });
+ assertEquals(['0','200','400','600','800','1000'], Util.getYLabels());
+}
+
+/**
+ * Verify that include zero range is properly specified.
+ */
+AxisLabelsTestCase.prototype.testIncludeZero = function() {
+ var g = new Dygraph("graph", [[0, 500], [1, 1000]], { includeZero : true });
+ assertEquals(['0','200','400','600','800','1000'], Util.getYLabels());
+
+ g.updateOptions({ includeZero : false });
+ assertEquals(['500','600','700','800','900','1000'], Util.getYLabels());
+}
+
+AxisLabelsTestCase.prototype.testAxisLabelFontSize = function() {
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, AxisLabelsTestCase.simpleData, {});
+
+ // Be sure we're dealing with a 14-point default.
+ assertEquals(14, Dygraph.DEFAULT_ATTRS.axisLabelFontSize);
+
+ var assertFontSize = function(selector, expected) {
+ Util.assertStyleOfChildren(selector, "font-size", expected);
+ }
+
+ assertFontSize($(".dygraph-axis-label-x"), "14px");
+ assertFontSize($(".dygraph-axis-label-y") , "14px");
+
+ g.updateOptions({ axisLabelFontSize : 8});
+ assertFontSize($(".dygraph-axis-label-x"), "8px");
+ assertFontSize($(".dygraph-axis-label-y"), "8px");
+
+ g.updateOptions({
+ axisLabelFontSize : null,
+ axes : {
+ x : { axisLabelFontSize : 5 },
+ }
+ });
+
+ assertFontSize($(".dygraph-axis-label-x"), "5px");
+ assertFontSize($(".dygraph-axis-label-y"), "14px");
+
+ g.updateOptions({
+ axes : {
+ y : { axisLabelFontSize : 20 },
+ }
+ });
+
+ assertFontSize($(".dygraph-axis-label-x"), "5px");
+ assertFontSize($(".dygraph-axis-label-y"), "20px");
+
+ g.updateOptions({
+ series : {
+ Y2 : { axis : "y2" } // copy y2 series to y2 axis.
+ },
+ axes : {
+ y2 : { axisLabelFontSize : 12 },
+ }
+ });
+
+ assertFontSize($(".dygraph-axis-label-x"), "5px");
+ assertFontSize($(".dygraph-axis-label-y1"), "20px");
+ assertFontSize($(".dygraph-axis-label-y2"), "12px");
+}
+
+AxisLabelsTestCase.prototype.testAxisLabelFontSizeNull = function() {
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, AxisLabelsTestCase.simpleData,
+ {
+ axisLabelFontSize: null
+ });
+
+ var assertFontSize = function(selector, expected) {
+ Util.assertStyleOfChildren(selector, "font-size", expected);
+ };
+
+ // Be sure we're dealing with a 14-point default.
+ assertEquals(14, Dygraph.DEFAULT_ATTRS.axisLabelFontSize);
+
+ assertFontSize($(".dygraph-axis-label-x"), "14px");
+ assertFontSize($(".dygraph-axis-label-y"), "14px");
+}
+
+AxisLabelsTestCase.prototype.testAxisLabelColor = function() {
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, AxisLabelsTestCase.simpleData, {});
+
+ // Be sure we're dealing with a black default.
+ assertEquals("black", Dygraph.DEFAULT_ATTRS.axisLabelColor);
+
+ var assertColor = function(selector, expected) {
+ Util.assertStyleOfChildren(selector, "color", expected);
+ }
+
+ assertColor($(".dygraph-axis-label-x"), "rgb(0, 0, 0)");
+ assertColor($(".dygraph-axis-label-y"), "rgb(0, 0, 0)");
+
+ g.updateOptions({ axisLabelColor : "red"});
+ assertColor($(".dygraph-axis-label-x"), "rgb(255, 0, 0)");
+ assertColor($(".dygraph-axis-label-y"), "rgb(255, 0, 0)");
+
+ g.updateOptions({
+ axisLabelColor : null,
+ axes : {
+ x : { axisLabelColor : "blue" },
+ }
+ });
+
+ assertColor($(".dygraph-axis-label-x"), "rgb(0, 0, 255)");
+ assertColor($(".dygraph-axis-label-y"), "rgb(0, 0, 0)");
+
+ g.updateOptions({
+ axes : {
+ y : { axisLabelColor : "green" },
+ }
+ });
+
+ assertColor($(".dygraph-axis-label-x"), "rgb(0, 0, 255)");
+ assertColor($(".dygraph-axis-label-y"), "rgb(0, 128, 0)");
+
+ g.updateOptions({
+ series : {
+ Y2 : { axis : "y2" } // copy y2 series to y2 axis.
+ },
+ axes : {
+ y2 : { axisLabelColor : "yellow" },
+ }
+ });
+
+ assertColor($(".dygraph-axis-label-x"), "rgb(0, 0, 255)");
+ assertColor($(".dygraph-axis-label-y1"), "rgb(0, 128, 0)");
+ assertColor($(".dygraph-axis-label-y2"), "rgb(255, 255, 0)");
+}
+
+AxisLabelsTestCase.prototype.testAxisLabelColorNull = function() {
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, AxisLabelsTestCase.simpleData,
+ {
+ axisLabelColor: null
+ });
+
+ var assertColor = function(selector, expected) {
+ Util.assertStyleOfChildren(selector, "color", expected);
+ }
+
+ // Be sure we're dealing with a 14-point default.
+ assertEquals(14, Dygraph.DEFAULT_ATTRS.axisLabelFontSize);
+
+ assertColor($(".dygraph-axis-label-x"), "rgb(0, 0, 0)");
+ assertColor($(".dygraph-axis-label-y"), "rgb(0, 0, 0)");
+}
+
+/*
+ * This test shows that the label formatter overrides labelsKMB for all values.
+ */
+AxisLabelsTestCase.prototype.testLabelFormatterOverridesLabelsKMB = function() {
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ "X,a,b\n" +
+ "1,0,2000\n" +
+ "2,500,1500\n" +
+ "3,1000,1000\n" +
+ "4,2000,0\n", {
+ labelsKMB: true,
+ axisLabelFormatter: function (v) {
+ return v + ":X";
+ }
+ });
+ assertEquals(["0:X","500:X","1000:X","1500:X","2000:X"], Util.getYLabels());
+ assertEquals(["1:X","1.5:X","2:X","2.5:X","3:X","3.5:X"], Util.getXLabels());
+}
+
+/*
+ * This test shows that you can override labelsKMB on the axis level.
+ */
+AxisLabelsTestCase.prototype.testLabelsKMBPerAxis = function() {
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ "x,a,b\n" +
+ "1000,0,2000\n" +
+ "2000,500,1500\n" +
+ "3000,1000,1000\n" +
+ "4000,2000,0\n", {
+ labelsKMB: false,
+ axes: {
+ y2: { labelsKMB: true },
+ x: { labelsKMB: true }
+ },
+ series: {
+ b: { axis: "y2" },
+ }
+ });
+
+ // labelsKMB doesn't apply to the x axis. This value should be different.
+ assertEquals(["1000", "1500", "2000", "2500", "3000", "3500"], Util.getXLabels());
+ assertEquals( ["0","500","1000","1500","2000"], Util.getYLabels(1));
+ assertEquals(["0","500","1K","1.5K","2K"], Util.getYLabels(2));
+};
+
+/*
+ * This test shows that you can override labelsKMG2 on the axis level.
+ */
+AxisLabelsTestCase.prototype.testLabelsKMBG2IPerAxis = function() {
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ "x,a,b\n" +
+ "1000,0,2000\n" +
+ "2000,500,1500\n" +
+ "3000,1000,1000\n" +
+ "4000,2000,0\n", {
+ labelsKMG2: false,
+ axes: {
+ y2: { labelsKMG2: true },
+ x: { labelsKMG2: true }
+ },
+ series: {
+ b: { axis: "y2" },
+ }
+ });
+
+ // It is weird that labelsKMG2 does something on the x axis but KMB does not.
+ // Plus I can't be sure they're doing the same thing as they're done in different
+ // bits of code.
+ assertEquals(["1024","1536","2048","2560","3072","3584"], Util.getXLabels());
+ assertEquals( ["0","500","1000","1500","2000"], Util.getYLabels(1));
+ assertEquals(["0","500","1000","1.46k","1.95k"], Util.getYLabels(2));
+};
+
+/**
+ * This test shows you can override sigFigs on the axis level.
+ */
+AxisLabelsTestCase.prototype.testSigFigsPerAxis = function() {
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ "x,a,b\n" +
+ "1000,0,2000\n" +
+ "2000,500,1500\n" +
+ "3000,1000,1000\n" +
+ "4000,2000,0\n", {
+ sigFigs: 2,
+ axes: {
+ y2: { sigFigs: 6 },
+ x: { sigFigs: 8 }
+ },
+ series: {
+ b: { axis: "y2" },
+ }
+
+ });
+ // sigFigs doesn't apply to the x axis. This value should be different.
+ assertEquals(["1000","1500","2000","2500","3000","3500"], Util.getXLabels());
+ assertEquals(["0.0","5.0e+2","1.0e+3","1.5e+3","2.0e+3"], Util.getYLabels(1));
+ assertEquals(["0.00000","500.000","1000.00","1500.00","2000.00"], Util.getYLabels(2));
+}
+
+/**
+ * This test shows you can override digitsAfterDecimal on the axis level.
+ */
+AxisLabelsTestCase.prototype.testDigitsAfterDecimalPerAxis = function() {
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ "x,a,b\n" +
+ "0.006,0.001,0.008\n" +
+ "0.007,0.002,0.007\n" +
+ "0.008,0.003,0.006\n" +
+ "0.009,0.004,0.005\n", {
+ digitsAfterDecimal: 1,
+ series: {
+ b: { axis: "y2" },
+ }
+
+ });
+
+ g.updateOptions({ axes: { y: { digitsAfterDecimal: 3 }}});
+ assertEquals(["0.001","0.002","0.002","0.003","0.003","0.004","0.004"], Util.getYLabels(1));
+ g.updateOptions({ axes: { y: { digitsAfterDecimal: 4 }}});
+ assertEquals(["0.001","0.0015","0.002","0.0025","0.003","0.0035","0.004"], Util.getYLabels(1));
+ g.updateOptions({ axes: { y: { digitsAfterDecimal: 5 }}});
+ assertEquals(["0.001","0.0015","0.002","0.0025","0.003","0.0035","0.004"], Util.getYLabels(1));
+ g.updateOptions({ axes: { y: { digitsAfterDecimal: null }}});
+ assertEquals(["1e-3","2e-3","2e-3","3e-3","3e-3","4e-3","4e-3"], Util.getYLabels(1));
+
+ g.updateOptions({ axes: { y2: { digitsAfterDecimal: 3 }}});
+ assertEquals(["0.005","0.006","0.006","0.007","0.007","0.008","0.008"], Util.getYLabels(2));
+ g.updateOptions({ axes: { y2: { digitsAfterDecimal: 4 }}});
+ assertEquals(["0.005","0.0055","0.006","0.0065","0.007","0.0075","0.008"], Util.getYLabels(2));
+ g.updateOptions({ axes: { y2: { digitsAfterDecimal: 5 }}});
+ assertEquals(["0.005","0.0055","0.006","0.0065","0.007","0.0075","0.008"], Util.getYLabels(2));
+ g.updateOptions({ axes: { y2: { digitsAfterDecimal: null }}});
+ assertEquals(["5e-3","6e-3","6e-3","7e-3","7e-3","7e-3","8e-3"], Util.getYLabels(2));
+
+
+ // digitsAfterDecimal is ignored for the x-axis.
+ g.updateOptions({ axes: { x: { digitsAfterDecimal: 3 }}});
+ assertEquals(["0.006","0.006500000000000001","0.007","0.0075","0.008","0.0085"], Util.getXLabels());
+ g.updateOptions({ axes: { x: { digitsAfterDecimal: 4 }}});
+ assertEquals(["0.006","0.006500000000000001","0.007","0.0075","0.008","0.0085"], Util.getXLabels());
+ g.updateOptions({ axes: { x: { digitsAfterDecimal: 5 }}});
+ assertEquals(["0.006","0.006500000000000001","0.007","0.0075","0.008","0.0085"], Util.getXLabels());
+ g.updateOptions({ axes: { x: { digitsAfterDecimal: null }}});
+ assertEquals(["0.006","0.006500000000000001","0.007","0.0075","0.008","0.0085"], Util.getXLabels());
+}
+
+/**
+ * This test shows you can override digitsAfterDecimal on the axis level.
+ */
+AxisLabelsTestCase.prototype.testMaxNumberWidthPerAxis = function() {
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ "x,a,b\n" +
+ "12401,12601,12804\n" +
+ "12402,12602,12803\n" +
+ "12403,12603,12802\n" +
+ "12404,12604,12801\n", {
+ maxNumberWidth: 1,
+ series: {
+ b: { axis: "y2" },
+ }
+ });
+fail = function(x) {console.log(x)};
+ g.updateOptions({ axes: { y: { maxNumberWidth: 4 }}});
+ assertEquals(["1.26e+4","1.26e+4","1.26e+4","1.26e+4","1.26e+4","1.26e+4","1.26e+4"] , Util.getYLabels(1));
+ g.updateOptions({ axes: { y: { maxNumberWidth: 5 }}});
+ assertEquals(["12601","12601.5","12602","12602.5","12603","12603.5","12604"] , Util.getYLabels(1));
+ g.updateOptions({ axes: { y: { maxNumberWidth: null }}});
+ assertEquals(["1.26e+4","1.26e+4","1.26e+4","1.26e+4","1.26e+4","1.26e+4","1.26e+4"] , Util.getYLabels(1));
+
+ g.updateOptions({ axes: { y2: { maxNumberWidth: 4 }}});
+ assertEquals(["1.28e+4","1.28e+4","1.28e+4","1.28e+4","1.28e+4","1.28e+4","1.28e+4"], Util.getYLabels(2));
+ g.updateOptions({ axes: { y2: { maxNumberWidth: 5 }}});
+ assertEquals(["12801","12801.5","12802","12802.5","12803","12803.5","12804"], Util.getYLabels(2));
+ g.updateOptions({ axes: { y2: { maxNumberWidth: null }}});
+ assertEquals(["1.28e+4","1.28e+4","1.28e+4","1.28e+4","1.28e+4","1.28e+4","1.28e+4"], Util.getYLabels(2));
+
+ // maxNumberWidth is ignored for the x-axis.
+ g.updateOptions({ axes: { x: { maxNumberWidth: 4 }}});
+ assertEquals(["12401","12401.5","12402","12402.5","12403","12403.5"], Util.getXLabels());
+ g.updateOptions({ axes: { x: { maxNumberWidth: 5 }}});
+ assertEquals(["12401","12401.5","12402","12402.5","12403","12403.5"], Util.getXLabels());
+ g.updateOptions({ axes: { x: { maxNumberWidth: null }}});
+ assertEquals(["12401","12401.5","12402","12402.5","12403","12403.5"], Util.getXLabels());
+}
+
+/*
+// Regression test for http://code.google.com/p/dygraphs/issues/detail?id=147
+// Checks that axis labels stay sane across a DST change.
+AxisLabelsTestCase.prototype.testLabelsCrossDstChange = function() {
+ // (From tests/daylight-savings.html)
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ "Date/Time,Purchases\n" +
+ "2010-11-05 00:00:00,167082\n" +
+ "2010-11-06 00:00:00,168571\n" +
+ "2010-11-07 00:00:00,177796\n" +
+ "2010-11-08 00:00:00,165587\n" +
+ "2010-11-09 00:00:00,164380\n",
+ { width: 1024 }
+ );
+
+ // Dates and "nice" hours: 6AM/PM and noon, not 5AM/11AM/...
+ var okLabels = {
+ '05Nov': true,
+ '06Nov': true,
+ '07Nov': true,
+ '08Nov': true,
+ '09Nov': true,
+ '06:00': true,
+ '12:00': true,
+ '18:00': true
+ };
+
+ var xLabels = Util.getXLabels();
+ for (var i = 0; i < xLabels.length; i++) {
+ assertTrue(okLabels[xLabels[i]]);
+ }
+
+ // This range had issues of its own on tests/daylight-savings.html.
+ g.updateOptions({
+ dateWindow: [1289109997722.8127, 1289261208937.7659]
+ });
+ xLabels = Util.getXLabels();
+ for (var i = 0; i < xLabels.length; i++) {
+ assertTrue(okLabels[xLabels[i]]);
+ }
+};
+
+
+// Tests data which crosses a "fall back" at a high enough frequency that you
+// can see both 1:00 A.M.s.
+AxisLabelsTestCase.prototype.testLabelsCrossDstChangeHighFreq = function() {
+ // Generate data which crosses the EST/EDT boundary.
+ var dst_data = [];
+ var base_ms = 1383454200000;
+ for (var x = base_ms; x < base_ms + 1000 * 60 * 80; x += 1000) {
+ dst_data.push([new Date(x), x]);
+ }
+
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ dst_data,
+ { width: 1024, labels: ['Date', 'Value'] }
+ );
+
+ assertEquals([
+ '00:50', '00:55',
+ '01:00', '01:05', '01:10', '01:15', '01:20', '01:25',
+ '01:30', '01:35', '01:40', '01:45', '01:50', '01:55',
+ '01:00', '01:05' // 1 AM number two!
+ ], Util.getXLabels());
+
+ // Now zoom past the initial 1 AM. This used to cause trouble.
+ g.updateOptions({
+ dateWindow: [1383454200000 + 15*60*1000, g.xAxisExtremes()[1]]}
+ );
+ assertEquals([
+ '01:05', '01:10', '01:15', '01:20', '01:25',
+ '01:30', '01:35', '01:40', '01:45', '01:50', '01:55',
+ '01:00', '01:05' // 1 AM number two!
+ ], Util.getXLabels());
+};
+
+
+// Tests data which crosses a "spring forward" at a low frequency.
+// Regression test for http://code.google.com/p/dygraphs/issues/detail?id=433
+AxisLabelsTestCase.prototype.testLabelsCrossSpringForward = function() {
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ "Date/Time,Purchases\n" +
+ "2011-03-11 00:00:00,167082\n" +
+ "2011-03-12 00:00:00,168571\n" +
+ "2011-03-13 00:00:00,177796\n" +
+ "2011-03-14 00:00:00,165587\n" +
+ "2011-03-15 00:00:00,164380\n",
+ {
+ width: 1024,
+ dateWindow: [1299989043119.4365, 1300080693627.4866]
+ });
+
+ var okLabels = {
+ '13Mar': true,
+ // '02:00': true, // not a real time!
+ '04:00': true,
+ '06:00': true,
+ '08:00': true,
+ '10:00': true,
+ '12:00': true,
+ '14:00': true,
+ '16:00': true,
+ '18:00': true,
+ '20:00': true,
+ '22:00': true,
+ '14Mar': true
+ };
+
+ var xLabels = Util.getXLabels();
+ for (var i = 0; i < xLabels.length; i++) {
+ assertTrue(okLabels[xLabels[i]]);
+ }
+};
+
+AxisLabelsTestCase.prototype.testLabelsCrossSpringForwardHighFreq = function() {
+ var base_ms_spring = 1299999000000;
+ var dst_data_spring = [];
+ for (var x = base_ms_spring; x < base_ms_spring + 1000 * 60 * 80; x += 1000) {
+ dst_data_spring.push([new Date(x), x]);
+ }
+
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ dst_data_spring,
+ { width: 1024, labels: ['Date', 'Value'] }
+ );
+
+ assertEquals([
+ '01:50', '01:55',
+ '03:00', '03:05', '03:10', '03:15', '03:20', '03:25',
+ '03:30', '03:35', '03:40', '03:45', '03:50', '03:55',
+ '04:00', '04:05'
+ ], Util.getXLabels());
+};
+*/