-/**
+/**
* @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,-1,0.25\n" +
+ "1,0,0.5\n" +
+ "2,1,0.9\n" +
+ "3,0,0.7\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);
+/**
+ * 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;
}
+AxisLabelsTestCase.prototype.kCloseFloat = 1.0e-10;
+
AxisLabelsTestCase.prototype.testMinusOneToOne = function() {
var opts = {
width: 480,
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());
-};
-
-AxisLabelsTestCase.prototype.testXAxisTimeLabelFormatter = function() {
- var opts = {
- width: 480,
- height: 320
- };
- 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]];
- 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));
-
- if (hours < 10) {
- hours = "0"+hours;
- }
- if (minutes < 10) {
- minutes = "0"+minutes;
- }
- if (seconds < 10) {
- seconds = "0"+seconds;
- }
-
- var time = hours+':'+minutes+':'+seconds;
- return time;
+ 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 opts = {
+ width: 480,
+ height: 320
+ };
+ 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]];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+ g.updateOptions({
+ 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", "00:05:06", "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(['5','5.1','5.2','5.3','5.4','5.5', '5.6', '5.7', '5.8', '5.9'], 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());
+ 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 sa 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);
+
+ Util.assertFontSizes(graph, "dygraph-axis-label-x", 14);
+ Util.assertFontSizes(graph, "dygraph-axis-label-y", 14);
+
+ g.updateOptions({ axisLabelFontSize : 8});
+ Util.assertFontSizes(graph, "dygraph-axis-label-x", 8);
+ Util.assertFontSizes(graph, "dygraph-axis-label-y", 8);
+
+ g.updateOptions({
+ axisLabelFontSize : null,
+ axes : {
+ x : { axisLabelFontSize : 5 },
+ }
+ });
+
+ Util.assertFontSizes(graph, "dygraph-axis-label-x", 5);
+ Util.assertFontSizes(graph, "dygraph-axis-label-y", 14);
+
+ g.updateOptions({
+ axes : {
+ y : { axisLabelFontSize : 20 },
+ }
+ });
+
+ Util.assertFontSizes(graph, "dygraph-axis-label-x", 5);
+ Util.assertFontSizes(graph, "dygraph-axis-label-y", 20);
+
+ g.updateOptions({
+ series : {
+ Y2 : { axis : "y2" } // copy y2 series to y2 axis.
+ },
+ axes : {
+ y2 : { axisLabelFontSize : 12 },
+ }
+ });
+
+ Util.assertFontSizes(graph, "dygraph-axis-label-x", 5);
+ Util.assertFontSizes(graph, "dygraph-axis-label-y1", 20);
+ Util.assertFontSizes(graph, "dygraph-axis-label-y2", 12);
+}
+
+AxisLabelsTestCase.prototype.testAxisLabelFontSizeNull = function() {
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, AxisLabelsTestCase.simpleData,
+ {
+ axisLabelFontSize: null
+ });
+
+ // Be sure we're dealing with a 14-point default.
+ assertEquals(14, Dygraph.DEFAULT_ATTRS.axisLabelFontSize);
+
+ Util.assertFontSizes(graph, "dygraph-axis-label-x", 14);
+ Util.assertFontSizes(graph, "dygraph-axis-label-y", 14);
+}
projects / dygraphs.git / blobdiff