dcos-dygraphs
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dygraphs is a fast, flexible open source JavaScript charting library.
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JavaScript
/**
* @fileoverview Test cases for how axis labels are chosen and formatted.
*
* @author dan@dygraphs.com (Dan Vanderkam)
*/
import Dygraph from '../../src/dygraph';
import * as utils from '../../src/dygraph-utils';
import DEFAULT_ATTRS from '../../src/dygraph-default-attrs';
import Util from './Util';
import {assertDeepCloseTo} from './custom_asserts';
describe("axis-labels", function() {
cleanupAfterEach();
var simpleData =
"X,Y,Y2\n" +
"0,-1,.5\n" +
"1,0,.7\n" +
"2,1,.4\n" +
"3,0,.98\n";
var kCloseFloat = 1.0e-10;
it('testMinusOneToOne', function() {
var opts = {
width: 480,
height: 320
};
var data = "X,Y\n" +
"0,-1\n" +
"1,0\n" +
"2,1\n" +
"3,0\n"
;
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data, opts);
// TODO(danvk): would ['-1.0','-0.5','0.0','0.5','1.0'] be better?
assert.deepEqual(['-1','-0.5','0','0.5','1'], Util.getYLabels());
// Go up to 2
data += "4,2\n";
g.updateOptions({file: data});
assert.deepEqual(['-1','-0.5','0','0.5','1','1.5','2'], Util.getYLabels());
// Now 10
data += "5,10\n";
g.updateOptions({file: data});
assert.deepEqual(['-2','0','2','4','6','8','10'], Util.getYLabels());
// Now 100
data += "6,100\n";
g.updateOptions({file: data});
assert.deepEqual(['0','20','40','60','80','100'], Util.getYLabels());
g.setSelection(0);
assert.equal('0: Y: -1', Util.getLegend());
});
it('testSmallRangeNearZero', function() {
var opts = {
drawAxesAtZero: true,
width: 480,
height: 320
};
var data = "X,Y\n" +
"0,-1\n" +
"1,0\n" +
"2,1\n" +
"3,0\n"
;
opts.valueRange = [-0.1, 0.1];
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data, opts);
assertDeepCloseTo([-0.1,-0.05,0,0.05],
Util.makeNumbers(Util.getYLabels()), kCloseFloat);
opts.valueRange = [-0.05, 0.05];
g.updateOptions(opts);
assert.deepEqual([-0.04,-0.02,0,0.02,0.04],
Util.makeNumbers(Util.getYLabels()));
opts.valueRange = [-0.01, 0.01];
g.updateOptions(opts);
assert.deepEqual([-0.01,-0.005,0,0.005],
Util.makeNumbers(Util.getYLabels()));
g.setSelection(1);
assert.equal('1: Y: 0', Util.getLegend());
});
it('testSmallRangeAwayFromZero', function() {
var opts = {
width: 480,
height: 320
};
var data = "X,Y\n" +
"0,-1\n" +
"1,0\n" +
"2,1\n" +
"3,0\n"
;
var graph = document.getElementById("graph");
opts.valueRange = [9.9, 10.1];
var g = new Dygraph(graph, data, opts);
assert.deepEqual(["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
assert.deepEqual(["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!
assert.deepEqual(["10","10","10","10"], Util.getYLabels());
g.setSelection(1);
assert.equal('1: Y: 0', Util.getLegend());
});
it('testXAxisTimeLabelFormatter', function() {
var opts = {
width: 480,
height: 320,
labels: ['X', 'Y1']
};
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;
}
}
}
});
assert.deepEqual(["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);
assert.equal('5.1: Y1: 1', Util.getLegend());
});
it('testAxisLabelFormatter', function() {
var opts = {
width: 480,
height: 320,
axes : {
x : {
axisLabelFormatter : function(x, granularity, opts, dg) {
assert.equal('number', typeof(x));
assert.equal('number', typeof(granularity));
assert.equal('function', typeof(opts));
assert.equal('[Dygraph graph]', dg.toString());
return 'x' + x;
}
},
y : {
axisLabelFormatter : function(y, granularity, opts, dg) {
assert.equal('number', typeof(y));
assert.equal('number', typeof(granularity));
assert.equal('function', typeof(opts));
assert.equal('[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);
assert.deepEqual(['x0','x2','x4','x6','x8'], Util.getXLabels());
assert.deepEqual(["y0","y5","y10","y15"], Util.getYLabels());
g.setSelection(2);
assert.equal("2: y: 4", Util.getLegend());
});
it('testDateAxisLabelFormatter', function() {
var opts = {
width: 480,
height: 320,
axes : {
x : {
pixelsPerLabel: 60,
axisLabelFormatter : function(x, granularity, opts, dg) {
assert.isTrue(utils.isDateLike(x));
assert.equal('number', typeof(granularity));
assert.equal('function', typeof(opts));
assert.equal('[Dygraph graph]', dg.toString());
return 'x' + Util.formatDate(x);
}
},
y : {
axisLabelFormatter : function(y, granularity, opts, dg) {
assert.equal('number', typeof(y));
assert.equal('number', typeof(granularity));
assert.equal('function', typeof(opts));
assert.equal('[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);
assert.deepEqual(["x2011/01/02","x2011/01/04","x2011/01/06","x2011/01/08"], Util.getXLabels());
assert.deepEqual(["y5","y10","y15"], Util.getYLabels());
g.setSelection(0);
assert.equal("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.
it('testValueFormatter', function() {
var opts = {
width: 480,
height: 320,
axes: {
x: {
valueFormatter: function(x, opts, series_name, dg, row, col) {
assert.equal('number', typeof(x));
assert.equal('function', typeof(opts));
assert.equal('string', typeof(series_name));
assert.equal('[Dygraph graph]', dg.toString());
assert.equal('number', typeof(row));
assert.equal('number', typeof(col));
assert.equal(dg, this);
return 'x' + x;
}
},
y: {
valueFormatter: function(y, opts, series_name, dg, row, col) {
assert.equal('number', typeof(y));
assert.equal('function', typeof(opts));
assert.equal('string', typeof(series_name));
assert.equal('[Dygraph graph]', dg.toString());
assert.equal('number', typeof(row));
assert.equal('number', typeof(col));
assert.equal(dg, this);
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.
assert.deepEqual(['0','2','4','6','8'], Util.getXLabels());
assert.deepEqual(["0","5","10","15"],
Util.getYLabels());
// they do affect the legend, however.
g.setSelection(2);
assert.equal("x2: y: y4", Util.getLegend());
});
it('testDateValueFormatter', function() {
var opts = {
width: 480,
height: 320,
axes : {
x : {
pixelsPerLabel: 60,
valueFormatter: function(x, opts, series_name, dg, row, col) {
assert.equal('number', typeof(x));
assert.equal('function', typeof(opts));
assert.equal('string', typeof(series_name));
assert.equal('[Dygraph graph]', dg.toString());
assert.equal('number', typeof(row));
assert.equal('number', typeof(col));
assert.equal(dg, this);
return 'x' + Util.formatDate(x);
}
},
y : {
valueFormatter: function(y, opts, series_name, dg, row, col) {
assert.equal('number', typeof(y));
assert.equal('function', typeof(opts));
assert.equal('string', typeof(series_name));
assert.equal('[Dygraph graph]', dg.toString());
assert.equal('number', typeof(row));
assert.equal('number', typeof(col));
assert.equal(dg, this);
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.
assert.deepEqual(["02 Jan","04 Jan","06 Jan","08 Jan"], Util.getXLabels());
assert.deepEqual(["5","10","15"], Util.getYLabels());
// the valueFormatter options also affect the legend.
g.setSelection(2);
assert.equal('x2011/01/03: y: y6', Util.getLegend());
});
// This test verifies that when both a valueFormatter and an axisLabelFormatter
// are specified, the axisLabelFormatter takes precedence.
it('testAxisLabelFormatterPrecedence', function() {
var opts = {
width: 480,
height: 320,
axes : {
x : {
valueFormatter: function(x) {
assert.equal('[Dygraph graph]', this.toString());
return 'xvf' + x;
},
axisLabelFormatter: function(x, granularity) {
assert.equal('[Dygraph graph]', this.toString());
return 'x' + x;
}
},
y : {
valueFormatter: function(y) {
assert.equal('[Dygraph graph]', this.toString());
return 'yvf' + y;
},
axisLabelFormatter: function(y) {
assert.equal('[Dygraph graph]', this.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);
assert.deepEqual(['x0','x2','x4','x6','x8'], Util.getXLabels());
assert.deepEqual(["y0","y5","y10","y15"], Util.getYLabels());
g.setSelection(9);
assert.equal("xvf9: y: yvf18", Util.getLegend());
});
// This is the same as the previous test, except that options are added
// one-by-one.
it('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;
}
}
}
});
assert.deepEqual(["x0","x2","x4","x6","x8"], Util.getXLabels());
assert.deepEqual(["y0","y5","y10","y15"], Util.getYLabels());
g.setSelection(9);
assert.equal("xvf9: y: yvf18", Util.getLegend());
});
it('testGlobalFormatters', function() {
var opts = {
width: 480,
height: 320,
labels: ['x', 'y'],
valueFormatter: function(x) {
assert.equal('[Dygraph graph]', this);
return 'vf' + x;
},
axisLabelFormatter: function(x) {
assert.equal('[Dygraph graph]', this);
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);
assert.deepEqual(['alf0','alf2','alf4','alf6','alf8'], Util.getXLabels());
assert.deepEqual(["alf0","alf5","alf10","alf15"], Util.getYLabels());
g.setSelection(9);
assert.equal("vf9: y: vf18", Util.getLegend());
});
it('testValueFormatterParameters', function() {
var calls = [];
// change any functions in list to 'fn' -- functions can't be asserted.
var killFunctions = function(list) {
var out = [];
for (var i = 0; i < list.length; i++) {
if (typeof(list[i]) == 'function') {
out[i] = 'fn';
} else {
out[i] = list[i];
}
}
return out;
};
var taggedRecorder = function(tag) {
return function() {
calls.push([tag].concat([this], killFunctions(arguments)));
return '';
}
};
var opts = {
axes: {
x: { valueFormatter: taggedRecorder('x') },
y: { valueFormatter: taggedRecorder('y') },
y2: { valueFormatter: taggedRecorder('y2') }
},
series: {
'y1': { axis: 'y1'},
'y2': { axis: 'y2'}
},
labels: ['x', 'y1', 'y2']
};
var data = [
[0, 1, 2],
[1, 3, 4]
];
var graph = document.getElementById('graph');
var g = new Dygraph(graph, data, opts);
assert.deepEqual([], calls);
g.setSelection(0);
assert.deepEqual([
// num or millis, opts, series, dygraph, row, col
[ 'x', g, 0, 'fn', 'x', g, 0, 0],
[ 'y', g, 1, 'fn', 'y1', g, 0, 1],
['y2', g, 2, 'fn', 'y2', g, 0, 2]
], calls);
calls = [];
g.setSelection(1);
assert.deepEqual([
[ 'x', g, 1, 'fn', 'x', g, 1, 0],
[ 'y', g, 3, 'fn', 'y1', g, 1, 1],
['y2', g, 4, 'fn', 'y2', g, 1, 2]
], calls);
});
it('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);
assert.equal('2: 00: 103 01: 203 10: 303 11: 403', Util.getLegend());
// Sanity checks for indexFromSetName
assert.equal(0, g.indexFromSetName("x"));
assert.equal(1, g.indexFromSetName("00"));
assert.equal(null, g.indexFromSetName("abcde"));
// Verify that we get the label list back in the right order
assert.deepEqual(["x", "00", "01", "10", "11"], g.getLabels());
});
it('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
}
}
}
);
assert.deepEqual(["0", "500", "1K", "1.5K", "2K"], Util.getYLabels());
});
it('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
}
}
}
);
assert.deepEqual(["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.
it('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
}
);
assert.deepEqual(
["0","256","512","768","1k","1.25k","1.5k","1.75k","2k"],
Util.getYLabels());
});
it('testSmallLabelKMB', function() {
var data = [];
data.push([0, 0]);
data.push([1, 1e-6]);
data.push([2, 2e-6]);
var g = new Dygraph(
document.getElementById("graph"),
data,
{
labels: [ 'X', 'bar' ],
axes : {
y: {
labelsKMB: true
}
}
}
);
// TODO(danvk): use prefixes here (e.g. m, µ, n)
assert.deepEqual(['0', '5.00e-7', '1.00e-6', '1.50e-6', '2.00e-6'],
Util.getYLabels());
});
it('testSmallLabelKMG2', function() {
var data = [];
data.push([0, 0]);
data.push([1, 1e-6]);
data.push([2, 2e-6]);
var g = new Dygraph(
document.getElementById("graph"),
data,
{
labels: [ 'X', 'bar' ],
axes : {
y: {
labelsKMG2: true
}
}
}
);
// TODO(danvk): this is strange--the values aren't on powers of two, and are
// these units really used for powers of two in <1? See issue #571.
assert.deepEqual(['0', '0.48u', '0.95u', '1.43u', '1.91u'],
Util.getYLabels());
});
/**
* Verify that log scale axis range is properly specified.
*/
it('testLogScale', function() {
var g = new Dygraph("graph",
[[0, 5], [1, 1000]], {
logscale: true,
labels: ['X', 'Y']
});
var nonEmptyLabels = Util.getYLabels().filter(function(x) { return x.length > 0; });
assert.deepEqual(["5","10","20","50","100","200","500","1000"], nonEmptyLabels);
g.updateOptions({ logscale : false });
assert.deepEqual(['0','200','400','600','800','1000'], Util.getYLabels());
});
/**
* Verify that log scale axis range works with yRangePad.
*
* This is a regression test for https://github.com/danvk/dygraphs/issues/661 .
*/
it('testLogScalePad', function() {
var g = new Dygraph("graph",
[[0, 1e-5], [1, 0.25], [2, 1], [3, 3], [4, 10]], {
width: 250,
height: 130,
logscale: true,
yRangePad: 30,
axes: {y: {valueRange: [1, 10]}},
labels: ['X', 'Y']
});
var nonEmptyLabels = Util.getYLabels().filter(function(x) { return x.length > 0; });
assert.deepEqual(['1', '7', '30'], nonEmptyLabels);
g.updateOptions({ yRangePad: 10, axes: {y: {valueRange: [0.25005, 3]}} });
nonEmptyLabels = Util.getYLabels().filter(function(x) { return x.length > 0; });
assert.deepEqual(['0.4', '1', '3'], nonEmptyLabels);
g.updateOptions({ axes: {y: {valueRange: [0.01, 3]}} });
nonEmptyLabels = Util.getYLabels().filter(function(x) { return x.length > 0; });
assert.deepEqual(['0.01','0.1','0.7','5'], nonEmptyLabels);
});
/**
* Verify that include zero range is properly specified.
*/
it('testIncludeZero', function() {
var g = new Dygraph("graph",
[[0, 500], [1, 1000]], {
includeZero: true,
labels: ['X', 'Y1']
});
assert.deepEqual(['0','200','400','600','800','1000'], Util.getYLabels());
g.updateOptions({ includeZero : false });
assert.deepEqual(['500','600','700','800','900','1000'], Util.getYLabels());
});
it('testAxisLabelFontSize', function() {
var graph = document.getElementById("graph");
var g = new Dygraph(graph, simpleData, {});
// Be sure we're dealing with a 14-point default.
assert.equal(14, DEFAULT_ATTRS.axisLabelFontSize);
var assertFontSize = function(selector, expected) {
Util.assertStyleOfChildren(selector, "font-size", expected);
}
assertFontSize(document.querySelectorAll(".dygraph-axis-label-x"), "14px");
assertFontSize(document.querySelectorAll(".dygraph-axis-label-y"), "14px");
g.updateOptions({axisLabelFontSize : 8});
assertFontSize(document.querySelectorAll(".dygraph-axis-label-x"), "8px");
assertFontSize(document.querySelectorAll(".dygraph-axis-label-y"), "8px");
g.updateOptions({
axisLabelFontSize : null,
axes: {
x: { axisLabelFontSize : 5 },
}
});
assertFontSize(document.querySelectorAll(".dygraph-axis-label-x"), "5px");
assertFontSize(document.querySelectorAll(".dygraph-axis-label-y"), "14px");
g.updateOptions({
axes: {
y: { axisLabelFontSize : 20 },
}
});
assertFontSize(document.querySelectorAll(".dygraph-axis-label-x"), "5px");
assertFontSize(document.querySelectorAll(".dygraph-axis-label-y"), "20px");
g.updateOptions({
series: {
Y2: { axis : "y2" } // copy y2 series to y2 axis.
},
axes: {
y2: { axisLabelFontSize : 12 },
}
});
assertFontSize(document.querySelectorAll(".dygraph-axis-label-x"), "5px");
assertFontSize(document.querySelectorAll(".dygraph-axis-label-y1"), "20px");
assertFontSize(document.querySelectorAll(".dygraph-axis-label-y2"), "12px");
});
it('testAxisLabelFontSizeNull', function() {
var graph = document.getElementById("graph");
var g = new Dygraph(graph, simpleData,
{
axisLabelFontSize: null
});
var assertFontSize = function(selector, expected) {
Util.assertStyleOfChildren(selector, "font-size", expected);
};
// Be sure we're dealing with a 14-point default.
assert.equal(14, DEFAULT_ATTRS.axisLabelFontSize);
assertFontSize(document.querySelectorAll(".dygraph-axis-label-x"), "14px");
assertFontSize(document.querySelectorAll(".dygraph-axis-label-y"), "14px");
});
it('testAxisLabelColor', function() {
var graph = document.getElementById("graph");
var g = new Dygraph(graph, simpleData, {});
// Be sure we're dealing with a black default.
assert.equal("black", DEFAULT_ATTRS.axisLabelColor);
var assertColor = function(selector, expected) {
Util.assertStyleOfChildren(selector, "color", expected);
}
assertColor(document.querySelectorAll(".dygraph-axis-label-x"), "rgb(0, 0, 0)");
assertColor(document.querySelectorAll(".dygraph-axis-label-y"), "rgb(0, 0, 0)");
g.updateOptions({ axisLabelColor : "red"});
assertColor(document.querySelectorAll(".dygraph-axis-label-x"), "rgb(255, 0, 0)");
assertColor(document.querySelectorAll(".dygraph-axis-label-y"), "rgb(255, 0, 0)");
g.updateOptions({
axisLabelColor : null,
axes : {
x : { axisLabelColor : "blue" },
}
});
assertColor(document.querySelectorAll(".dygraph-axis-label-x"), "rgb(0, 0, 255)");
assertColor(document.querySelectorAll(".dygraph-axis-label-y"), "rgb(0, 0, 0)");
g.updateOptions({
axes : {
y : { axisLabelColor : "green" },
}
});
assertColor(document.querySelectorAll(".dygraph-axis-label-x"), "rgb(0, 0, 255)");
assertColor(document.querySelectorAll(".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(document.querySelectorAll(".dygraph-axis-label-x"), "rgb(0, 0, 255)");
assertColor(document.querySelectorAll(".dygraph-axis-label-y1"), "rgb(0, 128, 0)");
assertColor(document.querySelectorAll(".dygraph-axis-label-y2"), "rgb(255, 255, 0)");
});
it('testAxisLabelColorNull', function() {
var graph = document.getElementById("graph");
var g = new Dygraph(graph, simpleData,
{
axisLabelColor: null
});
var assertColor = function(selector, expected) {
Util.assertStyleOfChildren(selector, "color", expected);
}
// Be sure we're dealing with a 14-point default.
assert.equal(14, DEFAULT_ATTRS.axisLabelFontSize);
assertColor(document.querySelectorAll(".dygraph-axis-label-x"), "rgb(0, 0, 0)");
assertColor(document.querySelectorAll(".dygraph-axis-label-y"), "rgb(0, 0, 0)");
});
/*
* This test shows that the label formatter overrides labelsKMB for all values.
*/
it('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";
}
});
assert.deepEqual(["0:X","500:X","1000:X","1500:X","2000:X"], Util.getYLabels());
assert.deepEqual(["1:X","2:X","3:X"], Util.getXLabels());
});
/*
* This test shows that you can override labelsKMB on the axis level.
*/
it('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.
// BUG : https://code.google.com/p/dygraphs/issues/detail?id=488
assert.deepEqual(["1000","2000","3000"], Util.getXLabels());
assert.deepEqual(["0","500","1000","1500","2000"], Util.getYLabels(1));
assert.deepEqual(["0","500","1K","1.5K","2K"], Util.getYLabels(2));
});
/*
* This test shows that you can override labelsKMG2 on the axis level.
*/
it('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, pixelsPerLabel: 60 }
},
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.
// BUG : https://code.google.com/p/dygraphs/issues/detail?id=488
assert.deepEqual(["1024","2048","3072"], Util.getXLabels());
assert.deepEqual(["0","500","1000","1500","2000"], Util.getYLabels(1));
assert.deepEqual(["0","500","1000","1.46k","1.95k"], Util.getYLabels(2));
});
/**
* This test shows you can override sigFigs on the axis level.
*/
it('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.
// BUG : https://code.google.com/p/dygraphs/issues/detail?id=488
assert.deepEqual(["1000","2000","3000"], Util.getXLabels());
assert.deepEqual(["0.0","5.0e+2","1.0e+3","1.5e+3","2.0e+3"], Util.getYLabels(1));
assert.deepEqual(["0.00000","500.000","1000.00","1500.00","2000.00"], Util.getYLabels(2));
});
/**
* This test shows you can override digitsAfterDecimal on the axis level.
*/
it('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 }}});
assert.deepEqual(["0.001","0.002","0.002","0.003","0.003","0.004","0.004"], Util.getYLabels(1));
g.updateOptions({ axes: { y: { digitsAfterDecimal: 4 }}});
assert.deepEqual(["0.001","0.0015","0.002","0.0025","0.003","0.0035","0.004"], Util.getYLabels(1));
g.updateOptions({ axes: { y: { digitsAfterDecimal: 5 }}});
assert.deepEqual(["0.001","0.0015","0.002","0.0025","0.003","0.0035","0.004"], Util.getYLabels(1));
g.updateOptions({ axes: { y: { digitsAfterDecimal: null }}});
assert.deepEqual(["1e-3","2e-3","2e-3","3e-3","3e-3","4e-3","4e-3"], Util.getYLabels(1));
g.updateOptions({ axes: { y2: { digitsAfterDecimal: 3 }}});
assert.deepEqual(["0.005","0.006","0.006","0.007","0.007","0.008","0.008"], Util.getYLabels(2));
g.updateOptions({ axes: { y2: { digitsAfterDecimal: 4 }}});
assert.deepEqual(["0.005","0.0055","0.006","0.0065","0.007","0.0075","0.008"], Util.getYLabels(2));
g.updateOptions({ axes: { y2: { digitsAfterDecimal: 5 }}});
assert.deepEqual(["0.005","0.0055","0.006","0.0065","0.007","0.0075","0.008"], Util.getYLabels(2));
g.updateOptions({ axes: { y2: { digitsAfterDecimal: null }}});
assert.deepEqual(["5e-3","6e-3","6e-3","7e-3","7e-3","7e-3","8e-3"], Util.getYLabels(2));
// digitsAfterDecimal is ignored for the x-axis.
// BUG : https://code.google.com/p/dygraphs/issues/detail?id=488
g.updateOptions({ axes: { x: { digitsAfterDecimal: 3 }}});
assert.deepEqual(["0.006","0.007","0.008"], Util.getXLabels());
g.updateOptions({ axes: { x: { digitsAfterDecimal: 4 }}});
assert.deepEqual(["0.006","0.007","0.008"], Util.getXLabels());
g.updateOptions({ axes: { x: { digitsAfterDecimal: 5 }}});
assert.deepEqual(["0.006","0.007","0.008"], Util.getXLabels());
g.updateOptions({ axes: { x: { digitsAfterDecimal: null }}});
assert.deepEqual(["0.006","0.007","0.008"], Util.getXLabels());
});
/**
* This test shows you can override digitsAfterDecimal on the axis level.
*/
it('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" }
}
});
g.updateOptions({ axes: { y: { maxNumberWidth: 4 }}});
assert.deepEqual(["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 }}});
assert.deepEqual(["12601","12601.5","12602","12602.5","12603","12603.5","12604"] , Util.getYLabels(1));
g.updateOptions({ axes: { y: { maxNumberWidth: null }}});
assert.deepEqual(["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 }}});
assert.deepEqual(["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 }}});
assert.deepEqual(["12801","12801.5","12802","12802.5","12803","12803.5","12804"], Util.getYLabels(2));
g.updateOptions({ axes: { y2: { maxNumberWidth: null }}});
assert.deepEqual(["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.
// BUG : https://code.google.com/p/dygraphs/issues/detail?id=488
g.updateOptions({ axes: { x: { maxNumberWidth: 4 }}});
assert.deepEqual(["12401","12402","12403"], Util.getXLabels());
g.updateOptions({ axes: { x: { maxNumberWidth: 5 }}});
assert.deepEqual(["12401","12402","12403"], Util.getXLabels());
g.updateOptions({ axes: { x: { maxNumberWidth: null }}});
assert.deepEqual(["12401","12402","12403"], 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.
it('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++) {
assert.isTrue(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++) {
assert.isTrue(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.
it('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'] }
);
assert.deepEqual([
'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]]}
);
assert.deepEqual([
'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
it('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++) {
assert.isTrue(okLabels[xLabels[i]]);
}
});
it('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'] }
);
assert.deepEqual([
'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());
});
*/
});