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histogram_test.js
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var Plotly = require('@lib/index');
var Lib = require('@src/lib');
var setConvert = require('@src/plots/cartesian/set_convert');
var supplyDefaults = require('@src/traces/histogram/defaults');
var supplyDefaults2D = require('@src/traces/histogram2d/defaults');
var supplyDefaults2DC = require('@src/traces/histogram2dcontour/defaults');
var calc = require('@src/traces/histogram/calc');
var getBinSpanLabelRound = require('@src/traces/histogram/bin_label_vals');
var createGraphDiv = require('../assets/create_graph_div');
var destroyGraphDiv = require('../assets/destroy_graph_div');
var supplyAllDefaults = require('../assets/supply_defaults');
var failTest = require('../assets/fail_test');
describe('Test histogram', function() {
'use strict';
describe('supplyDefaults', function() {
var traceIn,
traceOut;
beforeEach(function() {
traceOut = {};
});
it('should set visible to false when x or y is empty', function() {
traceIn = {
x: []
};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.visible).toBe(false);
traceIn = {
y: []
};
traceOut = {};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.visible).toBe(false);
});
it('should set visible to false when x or y is empty AND the other is present', function() {
traceIn = {
x: [],
y: [1, 2, 2]
};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.visible).toBe(false);
traceIn = {
x: [1, 2, 2],
y: []
};
traceOut = {};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.visible).toBe(false);
});
it('should set visible to false when type is histogram2d(contour) and x or y are empty', function() {
traceIn = {
x: [],
y: [1, 2, 2]
};
supplyDefaults2D(traceIn, traceOut, '', {});
expect(traceOut.visible).toBe(false);
traceIn = {
x: [1, 2, 2],
y: []
};
traceOut = {};
supplyDefaults2D(traceIn, traceOut, '', {});
expect(traceOut.visible).toBe(false);
traceIn = {
x: [],
y: []
};
traceOut = {};
supplyDefaults2D(traceIn, traceOut, '', {});
expect(traceOut.visible).toBe(false);
traceIn = {
x: [],
y: [1, 2, 2]
};
traceOut = {};
supplyDefaults2DC(traceIn, traceOut, '', {});
expect(traceOut.visible).toBe(false);
});
it('should set orientation to v by default', function() {
traceIn = {
x: [1, 2, 2]
};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.orientation).toBe('v');
traceIn = {
x: [1, 2, 2],
y: [1, 2, 2]
};
traceOut = {};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.orientation).toBe('v');
});
it('should set orientation to h when only y is supplied', function() {
traceIn = {
y: [1, 2, 2]
};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.orientation).toBe('h');
});
// coercing bin attributes got moved to calc because it needs
// axis type - so here we just test that it's NOT happening
it('should not coerce autobinx regardless of xbins', function() {
traceIn = {
x: [1, 2, 2],
xbins: {
start: 1,
end: 3,
size: 1
}
};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.autobinx).toBeUndefined();
traceIn = {
x: [1, 2, 2]
};
traceOut = {};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.autobinx).toBeUndefined();
});
it('should not coerce autobiny regardless of ybins', function() {
traceIn = {
y: [1, 2, 2],
ybins: {
start: 1,
end: 3,
size: 1
}
};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.autobiny).toBeUndefined();
traceIn = {
y: [1, 2, 2]
};
traceOut = {};
supplyDefaults(traceIn, traceOut, '', {});
expect(traceOut.autobiny).toBeUndefined();
});
it('should inherit layout.calendar', function() {
traceIn = {
x: [1, 2, 3]
};
supplyDefaults(traceIn, traceOut, '', {calendar: 'islamic'});
// we always fill calendar attributes, because it's hard to tell if
// we're on a date axis at this point.
// size axis calendar is weird, but *might* be able to happen if
// we're using histfunc=min or max (does this work?)
expect(traceOut.xcalendar).toBe('islamic');
expect(traceOut.ycalendar).toBe('islamic');
});
it('should take its own calendars', function() {
traceIn = {
x: [1, 2, 3],
xcalendar: 'coptic',
ycalendar: 'nepali'
};
supplyDefaults(traceIn, traceOut, '', {calendar: 'islamic'});
expect(traceOut.xcalendar).toBe('coptic');
expect(traceOut.ycalendar).toBe('nepali');
});
});
describe('calc', function() {
function _calc(opts, extraTraces, layout, prependExtras) {
var base = { type: 'histogram' };
var trace = Lib.extendFlat({}, base, opts);
var gd = { data: prependExtras ? [] : [trace] };
if(layout) gd.layout = layout;
if(Array.isArray(extraTraces)) {
extraTraces.forEach(function(extraTrace) {
gd.data.push(Lib.extendFlat({}, base, extraTrace));
});
}
if(prependExtras) gd.data.push(trace);
supplyAllDefaults(gd);
var fullTrace = gd._fullData[prependExtras ? gd._fullData.length - 1 : 0];
if(prependExtras) {
for(var i = 0; i < gd._fullData.length - 1; i++) {
calc(gd, gd._fullData[i]);
}
}
var out = calc(gd, fullTrace);
delete out[0].trace;
// this is dumb - but some of the `ph0` values are `-0` which doesn't match `0`
// even though -0 === 0
out.forEach(function(cdi) {
for(var key in cdi) {
if(cdi[key] === 0) cdi[key] = 0;
}
});
return out;
}
var oneDay = 24 * 3600000;
it('should handle auto dates with nonuniform (month) bins', function() {
// All data on exact years: shift so bin center is an
// exact year, except on leap years
var out = _calc({
x: ['1970-01-01', '1970-01-01', '1971-01-01', '1973-01-01'],
nbinsx: 4
});
// TODO: this gives half-day gaps between all but the first two
// bars. Now that we have explicit per-bar positioning, perhaps
// we should fill the space, rather than insisting on equal-width
// bars?
var d70 = Date.UTC(1970, 0, 1);
var d71 = Date.UTC(1971, 0, 1);
var d72 = Date.UTC(1972, 0, 1, 12);
var d73 = Date.UTC(1973, 0, 1);
expect(out).toEqual([
// full calcdata has x and y too (and t in the first one),
// but those come later from crossTraceCalc.
{i: 0, b: 0, p: d70, s: 2, pts: [0, 1], ph0: d70, ph1: d70},
{i: 1, b: 0, p: d71, s: 1, pts: [2], ph0: d71, ph1: d71},
{i: 2, b: 0, p: d72, s: 0, pts: [], ph0: d72, ph1: d72},
{i: 3, b: 0, p: d73, s: 1, pts: [3], ph0: d73, ph1: d73}
]);
// All data on exact months: shift so bin center is on (31-day months)
// or in (shorter months) that month
out = _calc({
x: ['1970-01-01', '1970-01-01', '1970-02-01', '1970-04-01'],
nbinsx: 4
});
var d70feb = Date.UTC(1970, 1, 1);
var d70mar = Date.UTC(1970, 2, 2, 12);
var d70apr = Date.UTC(1970, 3, 1);
expect(out).toEqual([
{i: 0, b: 0, p: d70, s: 2, pts: [0, 1], ph0: d70, ph1: d70},
{i: 1, b: 0, p: d70feb, s: 1, pts: [2], ph0: d70feb, ph1: d70feb},
{i: 2, b: 0, p: d70mar, s: 0, pts: [], ph0: d70mar, ph1: d70mar},
{i: 3, b: 0, p: d70apr, s: 1, pts: [3], ph0: d70apr, ph1: d70apr}
]);
// data on exact days: shift so each bin goes from noon to noon
// even though this gives kind of odd bin centers since the bins
// are months... but the important thing is it's unambiguous which
// bin any given day is in.
out = _calc({
x: ['1970-01-02', '1970-01-31', '1970-02-13', '1970-04-19'],
nbinsx: 4
});
expect(out).toEqual([
// dec 31 12:00 -> jan 31 12:00, middle is jan 16
{i: 0, b: 0, p: Date.UTC(1970, 0, 16), s: 2, pts: [0, 1], ph0: Date.UTC(1970, 0, 1), ph1: Date.UTC(1970, 0, 31)},
// jan 31 12:00 -> feb 28 12:00, middle is feb 14 12:00
{i: 1, b: 0, p: Date.UTC(1970, 1, 14, 12), s: 1, pts: [2], ph0: Date.UTC(1970, 1, 1), ph1: Date.UTC(1970, 1, 28)},
{i: 2, b: 0, p: Date.UTC(1970, 2, 16), s: 0, pts: [], ph0: Date.UTC(1970, 2, 1), ph1: Date.UTC(1970, 2, 31)},
{i: 3, b: 0, p: Date.UTC(1970, 3, 15, 12), s: 1, pts: [3], ph0: Date.UTC(1970, 3, 1), ph1: Date.UTC(1970, 3, 30)}
]);
});
it('should handle auto dates with uniform (day) bins', function() {
var out = _calc({
x: ['1970-01-01', '1970-01-01', '1970-01-02', '1970-01-04'],
nbinsx: 4
});
var x0 = 0,
x1 = x0 + oneDay,
x2 = x1 + oneDay,
x3 = x2 + oneDay;
expect(out).toEqual([
{i: 0, b: 0, p: x0, s: 2, pts: [0, 1], ph0: x0, ph1: x0},
{i: 1, b: 0, p: x1, s: 1, pts: [2], ph0: x1, ph1: x1},
{i: 2, b: 0, p: x2, s: 0, pts: [], ph0: x2, ph1: x2},
{i: 3, b: 0, p: x3, s: 1, pts: [3], ph0: x3, ph1: x3}
]);
});
it('should handle very small bins', function() {
var out = _calc({
x: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
xbins: {
start: 0,
end: 10,
size: 0.001
}
});
expect(out.length).toEqual(9001);
});
it('handles single-bin data without extra bins', function() {
var out = _calc({
x: [2.1, 3, 3.9],
xbins: {start: 0, end: 10, size: 2}
});
expect(out).toEqual([
{i: 0, b: 0, p: 3, s: 3, width1: 2, pts: [0, 1, 2], ph0: 2, ph1: 3.9}
]);
});
it('handles single-value overlaid autobinned data with other manual bins', function() {
var out = _calc({x: [1.1, 1.1, 1.1]}, [
{x: [1, 2, 3, 4], xbins: {start: 0.5, end: 4.5, size: 2}},
{x: [10, 10.5, 11, 11.5], xbins: {start: 9.8, end: 11.8, size: 0.5}}
], {
barmode: 'overlay'
});
expect(out).toEqual([
{i: 0, b: 0, p: 1.1, s: 3, width1: 0.5, pts: [0, 1, 2], ph0: 1.1, ph1: 1.1}
]);
});
it('handles single-value overlaid autobinned data with other auto bins', function() {
var out = _calc({x: ['', null, 17, '', 17]}, [
{x: [10, 20, 30, 40]},
{x: [100, 101, 102, 103]}
], {
barmode: 'overlay'
});
expect(out).toEqual([
{i: 0, b: 0, p: 17, s: 2, width1: 2, pts: [2, 4], ph0: 17, ph1: 17}
]);
});
it('handles multiple single-valued overlaid autobinned traces with different values', function() {
var out = _calc({x: [null, 13, '', 13]}, [
{x: [5]},
{x: [null, 29, 29, 29, null]}
], {
barmode: 'overlay'
});
expect(out).toEqual([
{i: 0, b: 0, p: 13, s: 2, width1: 8, pts: [1, 3], ph0: 13, ph1: 13}
]);
});
it('handles multiple single-date overlaid autobinned traces with different values', function() {
var out = _calc({x: [null, '2011-02-03', '', '2011-02-03']}, [
{x: ['2011-02-05']},
{x: [null, '2015-05-05', '2015-05-05', '2015-05-05', null]}
], {
barmode: 'overlay'
});
var p = 1296691200000;
expect(out).toEqual([
{i: 0, b: 0, p: p, s: 2, width1: 2 * 24 * 3600 * 1000, pts: [1, 3], ph0: p, ph1: p}
]);
});
it('handles several overlaid autobinned traces with only one value total', function() {
var out = _calc({x: [null, 97, '', 97]}, [
{x: [97]},
{x: [null, 97, 97, 97, null]}
], {
barmode: 'overlay'
});
expect(out).toEqual([
{i: 0, b: 0, p: 97, s: 2, width1: 1, pts: [1, 3], ph0: 97, ph1: 97}
]);
});
it('can tell the difference between single-bin and single-value histograms', function() {
var out = _calc({x: [1, 4]}, [], {barmode: 'overlay'});
expect(out).toEqual([
{i: 0, b: 0, p: 2, s: 2, width1: 5, pts: [0, 1], ph0: 0, ph1: 4}
]);
// real single-valued trace inherits bar width from the simply single-bin trace
out = _calc({x: [5]}, [
{x: [1, 4]}
], {
barmode: 'overlay'
});
expect(out).toEqual([
{i: 0, b: 0, p: 5, s: 1, width1: 5, pts: [0], ph0: 5, ph1: 5}
]);
});
function calcPositions(opts, extraTraces, prepend) {
return _calc(opts, extraTraces, {}, prepend).map(function(v) { return v.p; });
}
it('harmonizes autobins when all traces are autobinned', function() {
var trace1 = {x: [1, 2, 3, 4]};
var trace2 = {x: [5, 5.5, 6, 6.5]};
expect(calcPositions(trace1)).toBeCloseToArray([0.5, 2.5, 4.5], 5);
expect(calcPositions(trace2)).toBeCloseToArray([5.5, 6.5], 5);
expect(calcPositions(trace1, [trace2])).toEqual([1, 3, 5]);
expect(calcPositions(trace2, [trace1])).toEqual([5, 7]);
});
it('autobins all data as one', function() {
// all integers, so all autobins should get shifted to start 0.5 lower
// than they otherwise would.
var trace1 = {x: [1, 2, 3, 4]};
var trace2 = {x: [-2, 1, 4, 7]};
// as above... size: 2
expect(calcPositions(trace1)).toBeCloseToArray([0.5, 2.5, 4.5], 5);
// {size: 5, start: -5.5}: -5..-1, 0..4, 5..9
expect(calcPositions(trace2)).toEqual([-3, 2, 7]);
// together bins match the wider trace
expect(calcPositions(trace1, [trace2])).toBeCloseToArray([2], 5);
expect(calcPositions(trace2, [trace1])).toEqual([-3, 2, 7]);
// unless we add enough points to shrink the bins
expect(calcPositions(trace2, [trace1, trace1, trace1, trace1]))
.toBeCloseToArray([-1.5, 0.5, 2.5, 4.5, 6.5], 5);
});
it('harmonizes autobins with smaller manual bins', function() {
var trace1 = {x: [1, 2, 3, 4]};
var trace2 = {x: [5, 6, 7, 8], xbins: {start: 4.3, end: 7.1, size: 0.4}};
// size is preserved, and start is shifted to be compatible with trace2
// (but we can't just use start from trace2 or it would cut off all our data!)
expect(calcPositions(trace1, [trace2])).toBeCloseToArray([
0.9, 1.3, 1.7, 2.1, 2.5, 2.9, 3.3, 3.7, 4.1
], 5);
});
it('harmonizes autobins with larger manual bins', function() {
var trace1 = {x: [1, 2, 3, 4]};
var trace2 = {x: [5, 6, 7, 8], xbins: {start: 3.7, end: 15, size: 7}};
expect(calcPositions(trace1, [trace2])).toBeCloseToArray([
0.2, 7.2
], 5);
});
it('ignores incompatible sizes, and harmonizes start values', function() {
var trace1 = {x: [1, 2, 3, 4], xbins: {start: 1.7, end: 3.5, size: 0.6}};
var trace2 = {x: [5, 6, 7, 8], xbins: {start: 4.3, end: 7.1, size: 0.4}};
// trace1 is first: all its settings are used directly,
// and trace2 uses its size and shifts start to harmonize with it.
expect(calcPositions(trace1, [trace2])).toBeCloseToArray([
2.0, 2.6, 3.2
], 5);
expect(calcPositions(trace2, [trace1], true)).toBeCloseToArray([
5.0, 5.6, 6.2, 6.8
], 5);
// switch the order: trace2 values win
expect(calcPositions(trace2, [trace1])).toBeCloseToArray([
4.9, 5.3, 5.7, 6.1, 6.5, 6.9
], 5);
expect(calcPositions(trace1, [trace2], true)).toBeCloseToArray([
2.1, 2.5, 2.9
], 5);
});
it('can take size and start from different traces in any order', function() {
var trace1 = {x: [1, 2, 3, 4], xbins: {size: 0.6}};
var trace2 = {x: [5, 6, 7, 8], xbins: {start: 4.8}};
[true, false].forEach(function(prepend) {
expect(calcPositions(trace1, [trace2], prepend)).toBeCloseToArray([
0.9, 1.5, 2.1, 2.7, 3.3, 3.9
], 5);
expect(calcPositions(trace2, [trace1], prepend)).toBeCloseToArray([
5.1, 5.7, 6.3, 6.9, 7.5, 8.1
], 5);
});
});
it('works with only a size specified', function() {
// this used to not just lose the size, but actually errored out.
var trace1 = {x: [1, 2, 3, 4], xbins: {size: 0.8}};
var trace2 = {x: [5, 6, 7, 8]};
[true, false].forEach(function(prepend) {
expect(calcPositions(trace1, [trace2], prepend)).toBeCloseToArray([
1, 1.8, 2.6, 3.4, 4.2
], 5);
expect(calcPositions(trace2, [trace1], prepend)).toBeCloseToArray([
5, 5.8, 6.6, 7.4, 8.2
], 5);
});
});
it('ignores traces on other axes', function() {
var trace1 = {x: [1, 2, 3, 4]};
var trace2 = {x: [5, 5.5, 6, 6.5]};
var trace3 = {x: [1, 1.1, 1.2, 1.3], xaxis: 'x2'};
var trace4 = {x: [1, 1.2, 1.4, 1.6], yaxis: 'y2'};
expect(calcPositions(trace1, [trace2, trace3, trace4])).toEqual([1, 3, 5]);
expect(calcPositions(trace3)).toBeCloseToArray([1.1, 1.3], 5);
});
it('can handle TypedArrays', function() {
var trace1 = {x: new Float32Array([1, 2, 3, 4])};
var trace2 = {x: new Float32Array([5, 5.5, 6, 6.5])};
var trace3 = {x: new Float64Array([1, 1.1, 1.2, 1.3]), xaxis: 'x2'};
var trace4 = {x: new Float64Array([1, 1.2, 1.4, 1.6]), yaxis: 'y2'};
expect(calcPositions(trace1, [trace2, trace3, trace4])).toEqual([1, 3, 5]);
expect(calcPositions(trace3)).toBeCloseToArray([1.1, 1.3], 5);
});
describe('cumulative distribution functions', function() {
var base = {
x: [0, 5, 10, 15, 5, 10, 15, 10, 15, 15],
y: [2, 2, 2, 14, 6, 6, 6, 10, 10, 2]
};
it('makes the right base histogram', function() {
var baseOut = _calc(base);
expect(baseOut).toEqual([
{i: 0, b: 0, p: 2, s: 1, pts: [0], ph0: 0, ph1: 0},
{i: 1, b: 0, p: 7, s: 2, pts: [1, 4], ph0: 5, ph1: 5},
{i: 2, b: 0, p: 12, s: 3, pts: [2, 5, 7], ph0: 10, ph1: 10},
{i: 3, b: 0, p: 17, s: 4, pts: [3, 6, 8, 9], ph0: 15, ph1: 15},
]);
});
// ph0, ph1, and pts have been omitted from CDFs for now
var CDFs = [
{p: [2, 7, 12, 17], s: [1, 3, 6, 10]},
{
direction: 'decreasing',
p: [2, 7, 12, 17], s: [10, 9, 7, 4]
},
{
currentbin: 'exclude',
p: [7, 12, 17, 22], s: [1, 3, 6, 10]
},
{
direction: 'decreasing', currentbin: 'exclude',
p: [-3, 2, 7, 12], s: [10, 9, 7, 4]
},
{
currentbin: 'half',
p: [2, 7, 12, 17, 22], s: [0.5, 2, 4.5, 8, 10]
},
{
direction: 'decreasing', currentbin: 'half',
p: [-3, 2, 7, 12, 17], s: [10, 9.5, 8, 5.5, 2]
},
{
direction: 'decreasing', currentbin: 'half', histnorm: 'percent',
p: [-3, 2, 7, 12, 17], s: [100, 95, 80, 55, 20]
},
{
currentbin: 'exclude', histnorm: 'probability',
p: [7, 12, 17, 22], s: [0.1, 0.3, 0.6, 1]
},
{
// behaves the same as without *density*
direction: 'decreasing', currentbin: 'half', histnorm: 'density',
p: [-3, 2, 7, 12, 17], s: [10, 9.5, 8, 5.5, 2]
},
{
// behaves the same as without *density*, only *probability*
direction: 'decreasing', currentbin: 'half', histnorm: 'probability density',
p: [-3, 2, 7, 12, 17], s: [1, 0.95, 0.8, 0.55, 0.2]
},
{
currentbin: 'half', histfunc: 'sum',
p: [2, 7, 12, 17, 22], s: [1, 6, 19, 44, 60]
},
{
currentbin: 'half', histfunc: 'sum', histnorm: 'probability',
p: [2, 7, 12, 17, 22], s: [0.5 / 30, 0.1, 9.5 / 30, 22 / 30, 1]
},
{
direction: 'decreasing', currentbin: 'half', histfunc: 'max', histnorm: 'percent',
p: [-3, 2, 7, 12, 17], s: [100, 3100 / 32, 2700 / 32, 1900 / 32, 700 / 32]
},
{
direction: 'decreasing', currentbin: 'half', histfunc: 'min', histnorm: 'density',
p: [-3, 2, 7, 12, 17], s: [8, 7, 5, 3, 1]
},
{
currentbin: 'exclude', histfunc: 'avg', histnorm: 'probability density',
p: [7, 12, 17, 22], s: [0.1, 0.3, 0.6, 1]
}
];
CDFs.forEach(function(CDF) {
var p = CDF.p,
s = CDF.s;
it('handles direction=' + CDF.direction + ', currentbin=' + CDF.currentbin +
', histnorm=' + CDF.histnorm + ', histfunc=' + CDF.histfunc, function() {
var traceIn = Lib.extendFlat({}, base, {
cumulative: {
enabled: true,
direction: CDF.direction,
currentbin: CDF.currentbin
},
histnorm: CDF.histnorm,
histfunc: CDF.histfunc
});
var out = _calc(traceIn);
expect(out.length).toBe(p.length);
out.forEach(function(outi, i) {
expect(outi.p).toBe(p[i]);
expect(outi.s).toBeCloseTo(s[i], 6);
expect(outi.b).toBe(0);
});
});
});
});
});
describe('plot / restyle', function() {
var gd;
beforeEach(function() {
gd = createGraphDiv();
});
afterEach(destroyGraphDiv);
it('should update autobins correctly when restyling', function() {
// note: I'm *not* testing what this does to gd.data, as that's
// really a matter of convenience and will perhaps change later (v2?)
var data1 = [1.5, 2, 2, 3, 3, 3, 4, 4, 5];
Plotly.plot(gd, [{x: data1, type: 'histogram' }]);
expect(gd._fullData[0].xbins).toEqual({start: 1, end: 6, size: 1});
expect(gd._fullData[0].nbinsx).toBe(0);
// same range but fewer samples changes autobin size
var data2 = [1.5, 5];
Plotly.restyle(gd, 'x', [data2]);
expect(gd._fullData[0].xbins).toEqual({start: -2.5, end: 7.5, size: 5});
expect(gd._fullData[0].nbinsx).toBe(0);
// different range
var data3 = [10, 20.2, 20, 30, 30, 30, 40, 40, 50];
Plotly.restyle(gd, 'x', [data3]);
expect(gd._fullData[0].xbins).toEqual({start: 5, end: 55, size: 10});
expect(gd._fullData[0].nbinsx).toBe(0);
// explicit change to start does not update anything else
Plotly.restyle(gd, 'xbins.start', 3);
expect(gd._fullData[0].xbins).toEqual({start: 3, end: 55, size: 10});
expect(gd._fullData[0].nbinsx).toBe(0);
// restart autobin
Plotly.restyle(gd, 'autobinx', true);
expect(gd._fullData[0].xbins).toEqual({start: 5, end: 55, size: 10});
expect(gd._fullData[0].nbinsx).toBe(0);
// explicit end does not update anything else
Plotly.restyle(gd, 'xbins.end', 43);
expect(gd._fullData[0].xbins).toEqual({start: 5, end: 43, size: 10});
expect(gd._fullData[0].nbinsx).toBe(0);
// nbins would update all three, but explicit end is honored
Plotly.restyle(gd, 'nbinsx', 3);
expect(gd._fullData[0].xbins).toEqual({start: 0, end: 43, size: 20});
expect(gd._fullData[0].nbinsx).toBe(3);
// explicit size updates auto start *and* end, and moots nbins
Plotly.restyle(gd, {'xbins.end': null, 'xbins.size': 2});
expect(gd._fullData[0].xbins).toEqual({start: 9, end: 51, size: 2});
expect(gd._fullData[0].nbinsx).toBeUndefined();
});
it('respects explicit autobin: false as a one-time autobin', function() {
var data1 = [1.5, 2, 2, 3, 3, 3, 4, 4, 5];
Plotly.plot(gd, [{x: data1, type: 'histogram', autobinx: false }]);
// we have no bins, so even though autobin is false we have to autobin once
// but for backward compat. calc pushes these bins back into gd.data
// even though there's no `autobinx` attribute anymore.
expect(gd._fullData[0].xbins).toEqual({start: 1, end: 6, size: 1});
expect(gd.data[0].xbins).toEqual({start: 1, end: 6, size: 1});
// since autobin is false, this will not change the bins
var data2 = [1.5, 5];
Plotly.restyle(gd, 'x', [data2]);
expect(gd._fullData[0].xbins).toEqual({start: 1, end: 6, size: 1});
});
it('allows changing axis type with new x data', function() {
var x1 = [1, 1, 1, 1, 2, 2, 2, 3, 3, 4];
var x2 = ['2017-01-01', '2017-01-01', '2017-01-01', '2017-01-02', '2017-01-02', '2017-01-03'];
Plotly.newPlot(gd, [{x: x1, type: 'histogram'}]);
expect(gd._fullLayout.xaxis.type).toBe('linear');
expect(gd._fullLayout.xaxis.range).toBeCloseToArray([0.5, 4.5], 3);
Plotly.restyle(gd, {x: [x2]});
expect(gd._fullLayout.xaxis.type).toBe('date');
expect(gd._fullLayout.xaxis.range).toEqual(['2016-12-31 12:00', '2017-01-03 12:00']);
});
it('can resize a plot with several histograms', function(done) {
Plotly.newPlot(gd, [{
type: 'histogram',
x: [1, 1, 1, 1, 2, 2, 2, 3, 3, 4]
}, {
type: 'histogram',
x: [1, 1, 1, 1, 2, 2, 2, 3, 3, 4]
}], {
width: 400,
height: 400
})
.then(function() {
expect(gd._fullLayout.width).toBe(400);
expect(gd._fullLayout.height).toBe(400);
gd._fullData.forEach(function(trace, i) {
expect(trace._autoBinFinished).toBeUndefined(i);
});
return Plotly.relayout(gd, {width: 500, height: 500});
})
.then(function() {
expect(gd._fullLayout.width).toBe(500);
expect(gd._fullLayout.height).toBe(500);
gd._fullData.forEach(function(trace, i) {
expect(trace._autoBinFinished).toBeUndefined(i);
});
})
.catch(failTest)
.then(done);
});
it('gives the right bar width for single-value histograms', function(done) {
Plotly.newPlot(gd, [{
type: 'histogram',
x: [3, 3, 3],
xbins: {start: 0, end: 10, size: 2}
}])
.then(function() {
expect(gd._fullLayout.xaxis.range).toBeCloseToArray([2, 4], 3);
})
.catch(failTest)
.then(done);
});
it('can recalc after the first trace is hidden', function(done) {
function assertTraceCount(n) {
expect(gd.querySelectorAll('.trace').length).toBe(n);
}
Plotly.newPlot(gd, [{
x: [1, 2, 3], type: 'histogram'
}, {
x: [1, 2, 3], type: 'histogram'
}, {
x: [1, 2, 3], type: 'histogram'
}])
.then(function() {
assertTraceCount(3);
return Plotly.restyle(gd, 'visible', 'legendonly');
})
.then(function() {
assertTraceCount(0);
return Plotly.restyle(gd, 'visible', true, [1]);
})
.then(function() {
assertTraceCount(1);
return Plotly.restyle(gd, 'visible', true, [2]);
})
.then(function() {
assertTraceCount(2);
return Plotly.restyle(gd, 'visible', true);
})
.then(function() {
assertTraceCount(3);
})
.catch(failTest)
.then(done);
});
it('autobins all histograms (on the same subplot) together except `visible: false`', function(done) {
function _assertBinCenters(expectedCenters) {
var centers = gd.calcdata.map(function(cd) {
return cd.map(function(cdi) { return cdi.p; });
});
expect(centers).toBeCloseTo2DArray(expectedCenters);
}
var hidden = [undefined];
Plotly.newPlot(gd, [
{type: 'histogram', x: [1]},
{type: 'histogram', x: [10, 10.1, 10.2, 10.3]},
{type: 'histogram', x: [20, 20, 20, 20, 20, 20, 20, 20, 20, 21]}
])
.then(function() {
_assertBinCenters([[0], [10], [20]]);
return Plotly.restyle(gd, 'visible', 'legendonly', [1, 2]);
})
.then(function() {
_assertBinCenters([[0], hidden, hidden]);
return Plotly.restyle(gd, 'visible', false, [1, 2]);
})
.then(function() {
_assertBinCenters([[1], hidden, hidden]);
return Plotly.restyle(gd, 'visible', [false, false, true]);
})
.then(function() {
_assertBinCenters([hidden, hidden, [20, 21]]);
return Plotly.restyle(gd, 'visible', [false, true, false]);
})
.then(function() {
_assertBinCenters([hidden, [10.1, 10.3], hidden]);
// only one trace is visible, despite traces being grouped
expect(gd._fullLayout.bargap).toBe(0);
return Plotly.restyle(gd, 'visible', ['legendonly', true, 'legendonly']);
})
.then(function() {
_assertBinCenters([hidden, [10], hidden]);
// legendonly traces still flip us back to gapped
expect(gd._fullLayout.bargap).toBe(0.2);
})
.catch(failTest)
.then(done);
});
});
});
describe('getBinSpanLabelRound', function() {
function _test(leftGap, rightGap, edges, calendar, expected) {
var ax = {type: 'not date'};
// only date axes have any different treatment here. We could explicitly
// test category
if(calendar) {
ax = {type: 'date', calendar: 'gregorian', range: [0, 1e7]};
setConvert(ax);
}
var roundFn = getBinSpanLabelRound(leftGap, rightGap, edges, ax, calendar);
var j = 0;
var PREC = calendar ? 1 : 6;
edges.forEach(function(edge, i) {
if(i) {
expect(roundFn(edge, true)).toBeCloseTo(expected[j], PREC, 'right ' + i);
j++;
}
if(i < edges.length - 1) {
expect(roundFn(edge)).toBeCloseTo(expected[j], PREC, 'left ' + i);
j++;
}
});
}
it('works when the bin edges are round numbers and data are "continuous"', function() {
_test(0.05, 0.3, [0, 2, 4, 6], false, [0, 1.9, 2, 3.9, 4, 5.9]);
_test(0, 0.1, [0, 1, 2], false, [0, 0.9, 1, 1.9]);
_test(0, 0.001, [0, 1, 2], false, [0, 0.999, 1, 1.999]);
_test(0.1, 0.1, [115, 125, 135], false, [115, 124.9, 125, 134.9]);
_test(0.1, 0.01, [115, 125, 135], false, [115, 124.99, 125, 134.99]);
_test(10, 100, [5000, 6000, 7000], false, [5000, 5900, 6000, 6900]);
// too small of a right gap: stop disambiguating data at the edge
_test(0, 0.0009, [0, 1, 2], false, [0, 1, 1, 2]);
_test(0.1, 0.009, [115, 125, 135], false, [115, 125, 125, 135]);
});
it('works when the bins are shifted to be less round than the data', function() {
// integer or category data look like this - though categories don't even
// get here normally, unless you explicitly ask to bin multiple categories
// together, because uniqueValsPerBin will be true
_test(0.5, 0.5, [-0.5, 4.5, 9.5], false, [0, 4, 5, 9]);
_test(0.013, 0.087, [-0.013, 0.987, 1.987], false, [0, 0.9, 1, 1.9]);
_test(500, 500, [4500, 9500, 14500], false, [5000, 9000, 10000, 14000]);
});
var jan17 = Date.UTC(2017, 0, 1);
var feb17 = Date.UTC(2017, 1, 1);
var mar17 = Date.UTC(2017, 2, 1);
var jan18 = Date.UTC(2018, 0, 1);
var jan19 = Date.UTC(2019, 0, 1);
var j2116 = Date.UTC(2116, 0, 1);
var j2117 = Date.UTC(2117, 0, 1);
var j2216 = Date.UTC(2216, 0, 1);
var j2217 = Date.UTC(2217, 0, 1);
var sec = 1000;
var min = 60 * sec;
var hr = 60 * min;
var day = 24 * hr;
it('rounds dates to full fields (if larger than seconds) - round bin edges case', function() {
// sub-second & 1-second resolution
_test(0, 0.1, [jan17, jan17 + 1, jan17 + 2], 'gregorian',
[jan17, jan17 + 0.9, jan17 + 1, jan17 + 1.9]);
_test(1, 3, [jan17, jan17 + 20, jan17 + 40], 'gregorian',
[jan17, jan17 + 19, jan17 + 20, jan17 + 39]);
_test(5, 35, [jan17, jan17 + 1000, jan17 + 2000], 'gregorian',
[jan17, jan17 + 990, jan17 + 1000, jan17 + 1990]);
_test(0, 100, [jan17, jan17 + 20000, jan17 + 40000], 'gregorian',
[jan17, jan17 + 19900, jan17 + 20000, jan17 + 39900]);
_test(100, 2000, [jan17, jan17 + 10000, jan17 + 20000], 'gregorian',
[jan17, jan17 + 9000, jan17 + 10000, jan17 + 19000]);
// > second, only go to the next full field
// 30 sec gap - still show seconds
_test(0, 30 * sec, [jan17, jan17 + 5 * min, jan17 + 10 * min], 'gregorian',
[jan17, jan17 + 5 * min - sec, jan17 + 5 * min, jan17 + 10 * min - sec]);
// 1-minute gap round to minutes
_test(10 * sec, min, [jan17, jan17 + 5 * min, jan17 + 10 * min], 'gregorian',
[jan17, jan17 + 4 * min, jan17 + 5 * min, jan17 + 9 * min]);
// 30-minute gap - still show minutes
_test(0, 30 * min, [jan17, jan17 + day, jan17 + 2 * day], 'gregorian',
[jan17, jan17 + day - min, jan17 + day, jan17 + 2 * day - min]);
// 1-hour gap - round to hours
_test(0, hr, [jan17, jan17 + day, jan17 + 2 * day], 'gregorian',
[jan17, jan17 + day - hr, jan17 + day, jan17 + 2 * day - hr]);
// 12-hour gap - still hours
_test(0, 12 * hr, [jan17, feb17, mar17], 'gregorian',
[jan17, feb17 - hr, feb17, mar17 - hr]);
// 1-day gap - round to days
_test(0, day, [jan17, feb17, mar17], 'gregorian',
[jan17, feb17 - day, feb17, mar17 - day]);
// 15-day gap - still days
_test(0, 15 * day, [jan17, jan18, jan19], 'gregorian',
[jan17, jan18 - day, jan18, jan19 - day]);
// 28-day gap STILL gets days - in principle this might happen with data
// that's actually monthly, if the bins edges fall on different months
// (ie not full years) but that's a very weird edge case so I'll ignore it!
_test(0, 28 * day, [jan17, jan18, jan19], 'gregorian',
[jan17, jan18 - day, jan18, jan19 - day]);
// 31-day gap - months
_test(0, 31 * day, [jan17, jan18, jan19], 'gregorian',
[jan17, Date.UTC(2017, 11, 1), jan18, Date.UTC(2018, 11, 1)]);
// 365-day gap - years have enough buffer to handle leap vs nonleap years
_test(0, 365 * day, [jan17, j2117, j2217], 'gregorian',
[jan17, j2116, j2117, j2216]);
// no bigger rounding than years
_test(0, 40 * 365 * day, [jan17, j2117, j2217], 'gregorian',
[jan17, j2116, j2117, j2216]);
});
it('rounds dates to full fields (if larger than seconds) - round data case', function() {
// sub-second & 1-second resolution
_test(0.05, 0.05, [jan17 - 0.05, jan17 + 0.95, jan17 + 1.95], 'gregorian',
[jan17, jan17 + 0.9, jan17 + 1, jan17 + 1.9]);
_test(0.5, 3.5, [jan17 - 0.5, jan17 + 19.5, jan17 + 39.5], 'gregorian',
[jan17, jan17 + 19, jan17 + 20, jan17 + 39]);
_test(5, 35, [jan17 - 5, jan17 + 995, jan17 + 1995], 'gregorian',
[jan17, jan17 + 990, jan17 + 1000, jan17 + 1990]);
_test(50, 50, [jan17 - 50, jan17 + 19950, jan17 + 39950], 'gregorian',
[jan17, jan17 + 19900, jan17 + 20000, jan17 + 39900]);
_test(500, 2500, [jan17 - 500, jan17 + 9500, jan17 + 19500], 'gregorian',
[jan17, jan17 + 9000, jan17 + 10000, jan17 + 19000]);
// > second, only go to the next full field
// 30 sec gap - still show seconds
_test(15 * sec, 15 * sec, [jan17 - 15 * sec, jan17 + 5 * min - 15 * sec, jan17 + 10 * min - 15 * sec], 'gregorian',
[jan17 - 15 * sec, jan17 + 5 * min - 16 * sec, jan17 + 5 * min - 15 * sec, jan17 + 10 * min - 16 * sec]);