+ 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());